1 /* 2 * Copyright (c) 2011, 2018, 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/disassembler.hpp" 32 #include "interpreter/linkResolver.hpp" 33 #include "interpreter/bytecodeStream.hpp" 34 #include "jvmci/jvmciCompilerToVM.hpp" 35 #include "jvmci/jvmciCodeInstaller.hpp" 36 #include "jvmci/jvmciRuntime.hpp" 37 #include "memory/oopFactory.hpp" 38 #include "oops/constantPool.inline.hpp" 39 #include "oops/method.inline.hpp" 40 #include "oops/objArrayOop.inline.hpp" 41 #include "oops/typeArrayOop.inline.hpp" 42 #include "prims/nativeLookup.hpp" 43 #include "runtime/deoptimization.hpp" 44 #include "runtime/frame.inline.hpp" 45 #include "runtime/interfaceSupport.inline.hpp" 46 #include "runtime/jniHandles.inline.hpp" 47 #include "runtime/timerTrace.hpp" 48 #include "runtime/vframe_hp.hpp" 49 50 JVMCIKlassHandle::JVMCIKlassHandle(Thread* thread, Klass* klass) { 51 _thread = thread; 52 _klass = klass; 53 if (klass != NULL) { 54 _holder = Handle(_thread, klass->holder_phantom()); 55 } 56 } 57 58 JVMCIKlassHandle& JVMCIKlassHandle::operator=(Klass* klass) { 59 _klass = klass; 60 if (klass != NULL) { 61 _holder = Handle(_thread, klass->holder_phantom()); 62 } 63 return *this; 64 } 65 66 static void requireInHotSpot(const char* caller, JVMCI_TRAPS) { 67 if (!JVMCIENV->is_hotspot()) { 68 JVMCI_THROW_MSG(IllegalStateException, err_msg("Cannot call %s from JVMCI shared library", caller)); 69 } 70 } 71 72 void JNIHandleMark::push_jni_handle_block(JavaThread* thread) { 73 if (thread != NULL) { 74 // Allocate a new block for JNI handles. 75 // Inlined code from jni_PushLocalFrame() 76 JNIHandleBlock* java_handles = thread->active_handles(); 77 JNIHandleBlock* compile_handles = JNIHandleBlock::allocate_block(thread); 78 assert(compile_handles != NULL && java_handles != NULL, "should not be NULL"); 79 compile_handles->set_pop_frame_link(java_handles); 80 thread->set_active_handles(compile_handles); 81 } 82 } 83 84 void JNIHandleMark::pop_jni_handle_block(JavaThread* thread) { 85 if (thread != NULL) { 86 // Release our JNI handle block 87 JNIHandleBlock* compile_handles = thread->active_handles(); 88 JNIHandleBlock* java_handles = compile_handles->pop_frame_link(); 89 thread->set_active_handles(java_handles); 90 compile_handles->set_pop_frame_link(NULL); 91 JNIHandleBlock::release_block(compile_handles, thread); // may block 92 } 93 } 94 95 class JVMCITraceMark : public StackObj { 96 const char* _msg; 97 public: 98 JVMCITraceMark(const char* msg) { 99 _msg = msg; 100 TRACE_jvmci_2("Enter %s", _msg); 101 } 102 ~JVMCITraceMark() { 103 TRACE_jvmci_2(" Exit %s", _msg); 104 } 105 }; 106 107 108 Handle JavaArgumentUnboxer::next_arg(BasicType expectedType) { 109 assert(_index < _args->length(), "out of bounds"); 110 oop arg=((objArrayOop) (_args))->obj_at(_index++); 111 assert(expectedType == T_OBJECT || java_lang_boxing_object::is_instance(arg, expectedType), "arg type mismatch"); 112 return Handle(Thread::current(), arg); 113 } 114 115 // Bring the JVMCI compiler thread into the VM state. 116 #define JVMCI_VM_ENTRY_MARK \ 117 ThreadInVMfromNative __tiv(thread); \ 118 ResetNoHandleMark rnhm; \ 119 HandleMarkCleaner __hm(thread); \ 120 Thread* THREAD = thread; \ 121 debug_only(VMNativeEntryWrapper __vew;) 122 123 // Native method block that transitions current thread to '_thread_in_vm'. 124 #define C2V_BLOCK(result_type, name, signature) \ 125 TRACE_CALL(result_type, jvmci_ ## name signature) \ 126 JVMCI_VM_ENTRY_MARK; \ 127 ResourceMark rm; \ 128 JNI_JVMCIENV(thread, env); 129 130 static JavaThread* get_current_thread(bool allow_null=true) { 131 Thread* thread = Thread::current_or_null_safe(); 132 if (thread == NULL) { 133 assert(allow_null, "npe"); 134 return NULL; 135 } 136 assert(thread->is_Java_thread(), "must be"); 137 return (JavaThread*) thread; 138 } 139 140 // Entry to native method implementation that transitions 141 // current thread to '_thread_in_vm'. 142 #define C2V_VMENTRY(result_type, name, signature) \ 143 JNIEXPORT result_type JNICALL c2v_ ## name signature { \ 144 JavaThread* thread = get_current_thread(); \ 145 if (thread == NULL) { \ 146 env->ThrowNew(JNIJVMCI::InternalError::clazz(), \ 147 err_msg("Cannot call into HotSpot from JVMCI shared library without attaching current thread")); \ 148 return; \ 149 } \ 150 JVMCITraceMark jtm("CompilerToVM::" #name); \ 151 C2V_BLOCK(result_type, name, signature) 152 153 #define C2V_VMENTRY_(result_type, name, signature, result) \ 154 JNIEXPORT result_type JNICALL c2v_ ## name signature { \ 155 JavaThread* thread = get_current_thread(); \ 156 if (thread == NULL) { \ 157 env->ThrowNew(JNIJVMCI::InternalError::clazz(), \ 158 err_msg("Cannot call into HotSpot from JVMCI shared library without attaching current thread")); \ 159 return result; \ 160 } \ 161 JVMCITraceMark jtm("CompilerToVM::" #name); \ 162 C2V_BLOCK(result_type, name, signature) 163 164 #define C2V_VMENTRY_NULL(result_type, name, signature) C2V_VMENTRY_(result_type, name, signature, NULL) 165 #define C2V_VMENTRY_0(result_type, name, signature) C2V_VMENTRY_(result_type, name, signature, 0) 166 167 // Entry to native method implementation that does not transition 168 // current thread to '_thread_in_vm'. 169 #define C2V_VMENTRY_PREFIX(result_type, name, signature) \ 170 JNIEXPORT result_type JNICALL c2v_ ## name signature { \ 171 JavaThread* thread = get_current_thread(); 172 173 #define C2V_END } 174 175 #define JNI_THROW(caller, name, msg) do { \ 176 jint __throw_res = env->ThrowNew(JNIJVMCI::name::clazz(), msg); \ 177 if (__throw_res != JNI_OK) { \ 178 tty->print_cr("Throwing " #name " in " caller " returned %d", __throw_res); \ 179 } \ 180 return; \ 181 } while (0); 182 183 #define JNI_THROW_(caller, name, msg, result) do { \ 184 jint __throw_res = env->ThrowNew(JNIJVMCI::name::clazz(), msg); \ 185 if (__throw_res != JNI_OK) { \ 186 tty->print_cr("Throwing " #name " in " caller " returned %d", __throw_res); \ 187 } \ 188 return result; \ 189 } while (0) 190 191 jobjectArray readConfiguration0(JNIEnv *env, JVMCI_TRAPS); 192 193 C2V_VMENTRY_NULL(jobjectArray, readConfiguration, (JNIEnv* env)) 194 jobjectArray config = readConfiguration0(env, JVMCI_CHECK_NULL); 195 return config; 196 } 197 198 C2V_VMENTRY_NULL(jobject, getFlagValue, (JNIEnv* env, jobject c2vm, jobject name_handle)) 199 #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(); 200 #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(); 201 JVMCIObject name = JVMCIENV->wrap(name_handle); 202 if (name.is_null()) { 203 JVMCI_THROW_NULL(NullPointerException); 204 } 205 const char* cstring = JVMCIENV->as_utf8_string(name); 206 JVMFlag* flag = JVMFlag::find_flag(cstring, strlen(cstring), /* allow_locked */ true, /* return_flag */ true); 207 if (flag == NULL) { 208 return c2vm; 209 } 210 if (flag->is_bool()) { 211 jvalue prim; 212 prim.z = flag->get_bool(); 213 JVMCIObject box = JVMCIENV->create_box(T_BOOLEAN, &prim, JVMCI_CHECK_NULL); 214 return JVMCIENV->get_jobject(box); 215 } else if (flag->is_ccstr()) { 216 JVMCIObject value = JVMCIENV->create_string(flag->get_ccstr(), JVMCI_CHECK_NULL); 217 return JVMCIENV->get_jobject(value); 218 } else if (flag->is_intx()) { 219 RETURN_BOXED_LONG(flag->get_intx()); 220 } else if (flag->is_int()) { 221 RETURN_BOXED_LONG(flag->get_int()); 222 } else if (flag->is_uint()) { 223 RETURN_BOXED_LONG(flag->get_uint()); 224 } else if (flag->is_uint64_t()) { 225 RETURN_BOXED_LONG(flag->get_uint64_t()); 226 } else if (flag->is_size_t()) { 227 RETURN_BOXED_LONG(flag->get_size_t()); 228 } else if (flag->is_uintx()) { 229 RETURN_BOXED_LONG(flag->get_uintx()); 230 } else if (flag->is_double()) { 231 RETURN_BOXED_DOUBLE(flag->get_double()); 232 } else { 233 JVMCI_ERROR_NULL("VM flag %s has unsupported type %s", flag->_name, flag->_type); 234 } 235 #undef RETURN_BOXED_LONG 236 #undef RETURN_BOXED_DOUBLE 237 C2V_END 238 239 C2V_VMENTRY_NULL(jobject, getObjectAtAddress, (JNIEnv* env, jobject c2vm, jlong oop_address)) 240 requireInHotSpot("getObjectAtAddress", JVMCI_CHECK_NULL); 241 if (oop_address == 0) { 242 JVMCI_THROW_MSG_NULL(InternalError, "Handle must be non-zero"); 243 } 244 oop obj = *((oopDesc**) oop_address); 245 if (obj != NULL) { 246 obj->verify(); 247 } 248 return JNIHandles::make_local(obj); 249 C2V_END 250 251 C2V_VMENTRY_NULL(jbyteArray, getBytecode, (JNIEnv* env, jobject, jobject jvmci_method)) 252 methodHandle method = JVMCIENV->asMethod(jvmci_method); 253 254 int code_size = method->code_size(); 255 jbyte* reconstituted_code = NEW_RESOURCE_ARRAY(jbyte, code_size); 256 257 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten"); 258 // iterate over all bytecodes and replace non-Java bytecodes 259 260 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) { 261 Bytecodes::Code code = s.code(); 262 Bytecodes::Code raw_code = s.raw_code(); 263 int bci = s.bci(); 264 int len = s.instruction_size(); 265 266 // Restore original byte code. 267 reconstituted_code[bci] = (jbyte) (s.is_wide()? Bytecodes::_wide : code); 268 if (len > 1) { 269 memcpy(reconstituted_code + (bci + 1), s.bcp()+1, len-1); 270 } 271 272 if (len > 1) { 273 // Restore the big-endian constant pool indexes. 274 // Cf. Rewriter::scan_method 275 switch (code) { 276 case Bytecodes::_getstatic: 277 case Bytecodes::_putstatic: 278 case Bytecodes::_getfield: 279 case Bytecodes::_putfield: 280 case Bytecodes::_invokevirtual: 281 case Bytecodes::_invokespecial: 282 case Bytecodes::_invokestatic: 283 case Bytecodes::_invokeinterface: 284 case Bytecodes::_invokehandle: { 285 int cp_index = Bytes::get_native_u2((address) reconstituted_code + (bci + 1)); 286 Bytes::put_Java_u2((address) reconstituted_code + (bci + 1), (u2) cp_index); 287 break; 288 } 289 290 case Bytecodes::_invokedynamic: { 291 int cp_index = Bytes::get_native_u4((address) reconstituted_code + (bci + 1)); 292 Bytes::put_Java_u4((address) reconstituted_code + (bci + 1), (u4) cp_index); 293 break; 294 } 295 296 default: 297 break; 298 } 299 300 // Not all ldc byte code are rewritten. 301 switch (raw_code) { 302 case Bytecodes::_fast_aldc: { 303 int cpc_index = reconstituted_code[bci + 1] & 0xff; 304 int cp_index = method->constants()->object_to_cp_index(cpc_index); 305 assert(cp_index < method->constants()->length(), "sanity check"); 306 reconstituted_code[bci + 1] = (jbyte) cp_index; 307 break; 308 } 309 310 case Bytecodes::_fast_aldc_w: { 311 int cpc_index = Bytes::get_native_u2((address) reconstituted_code + (bci + 1)); 312 int cp_index = method->constants()->object_to_cp_index(cpc_index); 313 assert(cp_index < method->constants()->length(), "sanity check"); 314 Bytes::put_Java_u2((address) reconstituted_code + (bci + 1), (u2) cp_index); 315 break; 316 } 317 318 default: 319 break; 320 } 321 } 322 } 323 324 JVMCIPrimitiveArray result = JVMCIENV->new_byteArray(code_size, JVMCI_CHECK_NULL); 325 JVMCIENV->copy_bytes_from(reconstituted_code, result, 0, code_size); 326 return JVMCIENV->get_jbyteArray(result); 327 C2V_END 328 329 C2V_VMENTRY_0(jint, getExceptionTableLength, (JNIEnv* env, jobject, jobject jvmci_method)) 330 methodHandle method = JVMCIENV->asMethod(jvmci_method); 331 return method->exception_table_length(); 332 C2V_END 333 334 C2V_VMENTRY_0(jlong, getExceptionTableStart, (JNIEnv* env, jobject, jobject jvmci_method)) 335 methodHandle method = JVMCIENV->asMethod(jvmci_method); 336 if (method->exception_table_length() == 0) { 337 return 0L; 338 } 339 return (jlong) (address) method->exception_table_start(); 340 C2V_END 341 342 C2V_VMENTRY_NULL(jobject, asResolvedJavaMethod, (JNIEnv* env, jobject, jobject executable_handle)) 343 requireInHotSpot("asResolvedJavaMethod", JVMCI_CHECK_NULL); 344 oop executable = JNIHandles::resolve(executable_handle); 345 oop mirror = NULL; 346 int slot = 0; 347 348 if (executable->klass() == SystemDictionary::reflect_Constructor_klass()) { 349 mirror = java_lang_reflect_Constructor::clazz(executable); 350 slot = java_lang_reflect_Constructor::slot(executable); 351 } else { 352 assert(executable->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); 353 mirror = java_lang_reflect_Method::clazz(executable); 354 slot = java_lang_reflect_Method::slot(executable); 355 } 356 Klass* holder = java_lang_Class::as_Klass(mirror); 357 methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot); 358 JVMCIObject result = JVMCIENV->get_jvmci_method(method, JVMCI_CHECK_NULL); 359 return JVMCIENV->get_jobject(result); 360 } 361 362 C2V_VMENTRY_NULL(jobject, getResolvedJavaMethod, (JNIEnv* env, jobject, jobject base, jlong offset)) 363 methodHandle method; 364 JVMCIObject base_object = JVMCIENV->wrap(base); 365 if (base_object.is_null()) { 366 method = *((Method**)(offset)); 367 } else if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) { 368 Handle obj = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL); 369 if (obj->is_a(SystemDictionary::ResolvedMethodName_klass())) { 370 method = (Method*) (intptr_t) obj->long_field(offset); 371 } else { 372 JVMCI_THROW_MSG_NULL(IllegalArgumentException, err_msg("Unexpected type: %s", obj->klass()->external_name())); 373 } 374 } else if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(base_object)) { 375 method = JVMCIENV->asMethod(base_object); 376 } 377 if (method.is_null()) { 378 JVMCI_THROW_MSG_NULL(IllegalArgumentException, err_msg("Unexpected type: %s", JVMCIENV->klass_name(base_object))); 379 } 380 assert (method.is_null() || method->is_method(), "invalid read"); 381 JVMCIObject result = JVMCIENV->get_jvmci_method(method, JVMCI_CHECK_NULL); 382 return JVMCIENV->get_jobject(result); 383 } 384 385 C2V_VMENTRY_NULL(jobject, getConstantPool, (JNIEnv* env, jobject, jobject object_handle)) 386 constantPoolHandle cp; 387 JVMCIObject object = JVMCIENV->wrap(object_handle); 388 if (object.is_null()) { 389 JVMCI_THROW_NULL(NullPointerException); 390 } 391 if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(object)) { 392 cp = JVMCIENV->asMethod(object)->constMethod()->constants(); 393 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(object)) { 394 cp = InstanceKlass::cast(JVMCIENV->asKlass(object))->constants(); 395 } else { 396 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 397 err_msg("Unexpected type: %s", JVMCIENV->klass_name(object))); 398 } 399 assert(!cp.is_null(), "npe"); 400 401 JVMCIObject result = JVMCIENV->get_jvmci_constant_pool(cp, JVMCI_CHECK_NULL); 402 return JVMCIENV->get_jobject(result); 403 } 404 405 C2V_VMENTRY_NULL(jobject, getResolvedJavaType0, (JNIEnv* env, jobject, jobject base, jlong offset, jboolean compressed)) 406 JVMCIKlassHandle klass(THREAD); 407 JVMCIObject base_object = JVMCIENV->wrap(base); 408 jlong base_address = 0; 409 if (base_object.is_non_null() && offset == oopDesc::klass_offset_in_bytes()) { 410 // klass = JVMCIENV->unhandle(base_object)->klass(); 411 if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) { 412 Handle base_oop = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL); 413 klass = base_oop->klass(); 414 } else { 415 assert(false, "What types are we actually expecting here?"); 416 } 417 } else if (!compressed) { 418 if (base_object.is_non_null()) { 419 if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(base_object)) { 420 base_address = (intptr_t) JVMCIENV->asMethod(base_object); 421 } else if (JVMCIENV->isa_HotSpotConstantPool(base_object)) { 422 base_address = (intptr_t) JVMCIENV->asConstantPool(base_object); 423 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base_object)) { 424 base_address = (intptr_t) JVMCIENV->asKlass(base_object); 425 } else if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) { 426 Handle base_oop = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL); 427 if (base_oop->is_a(SystemDictionary::Class_klass())) { 428 base_address = (jlong) (address) base_oop(); 429 } 430 } 431 if (base_address == 0) { 432 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 433 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", JVMCIENV->klass_name(base_object), offset, compressed ? "true" : "false")); 434 } 435 } 436 klass = *((Klass**) (intptr_t) (base_address + offset)); 437 } else { 438 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 439 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", 440 base_object.is_non_null() ? JVMCIENV->klass_name(base_object) : "null", 441 offset, compressed ? "true" : "false")); 442 } 443 assert (klass == NULL || klass->is_klass(), "invalid read"); 444 JVMCIObject result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL); 445 return JVMCIENV->get_jobject(result); 446 } 447 448 C2V_VMENTRY_NULL(jobject, findUniqueConcreteMethod, (JNIEnv* env, jobject, jobject jvmci_type, jobject jvmci_method)) 449 methodHandle method = JVMCIENV->asMethod(jvmci_method); 450 Klass* holder = JVMCIENV->asKlass(jvmci_type); 451 if (holder->is_interface()) { 452 JVMCI_THROW_MSG_NULL(InternalError, err_msg("Interface %s should be handled in Java code", holder->external_name())); 453 } 454 455 methodHandle ucm; 456 { 457 MutexLocker locker(Compile_lock); 458 ucm = Dependencies::find_unique_concrete_method(holder, method()); 459 } 460 JVMCIObject result = JVMCIENV->get_jvmci_method(ucm, JVMCI_CHECK_NULL); 461 return JVMCIENV->get_jobject(result); 462 C2V_END 463 464 C2V_VMENTRY_NULL(jobject, getImplementor, (JNIEnv* env, jobject, jobject jvmci_type)) 465 Klass* klass = JVMCIENV->asKlass(jvmci_type); 466 if (!klass->is_interface()) { 467 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), 468 err_msg("Expected interface type, got %s", klass->external_name())); 469 } 470 InstanceKlass* iklass = InstanceKlass::cast(klass); 471 JVMCIKlassHandle handle(THREAD); 472 { 473 // Need Compile_lock around implementor() 474 MutexLocker locker(Compile_lock); 475 handle = iklass->implementor(); 476 } 477 JVMCIObject implementor = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL); 478 return JVMCIENV->get_jobject(implementor); 479 C2V_END 480 481 C2V_VMENTRY_0(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv* env, jobject, jobject jvmci_method)) 482 methodHandle method = JVMCIENV->asMethod(jvmci_method); 483 return method->is_ignored_by_security_stack_walk(); 484 C2V_END 485 486 C2V_VMENTRY_0(jboolean, isCompilable,(JNIEnv* env, jobject, jobject jvmci_method)) 487 methodHandle method = JVMCIENV->asMethod(jvmci_method); 488 constantPoolHandle cp = method->constMethod()->constants(); 489 assert(!cp.is_null(), "npe"); 490 // don't inline method when constant pool contains a CONSTANT_Dynamic 491 return !method->is_not_compilable(CompLevel_full_optimization) && !cp->has_dynamic_constant(); 492 C2V_END 493 494 C2V_VMENTRY_0(jboolean, hasNeverInlineDirective,(JNIEnv* env, jobject, jobject jvmci_method)) 495 methodHandle method = JVMCIENV->asMethod(jvmci_method); 496 return !Inline || CompilerOracle::should_not_inline(method) || method->dont_inline(); 497 C2V_END 498 499 C2V_VMENTRY_0(jboolean, shouldInlineMethod,(JNIEnv* env, jobject, jobject jvmci_method)) 500 methodHandle method = JVMCIENV->asMethod(jvmci_method); 501 return CompilerOracle::should_inline(method) || method->force_inline(); 502 C2V_END 503 504 C2V_VMENTRY_NULL(jobject, lookupType, (JNIEnv* env, jobject, jstring jname, jclass accessing_class, jboolean resolve)) 505 JVMCIObject name = JVMCIENV->wrap(jname); 506 const char* str = JVMCIENV->as_utf8_string(name); 507 TempNewSymbol class_name = SymbolTable::new_symbol(str, CHECK_NULL); 508 509 if (class_name->utf8_length() <= 1) { 510 JVMCI_THROW_MSG_0(InternalError, err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string())); 511 } 512 513 JVMCIKlassHandle resolved_klass(THREAD); 514 Klass* accessing_klass = NULL; 515 Handle class_loader; 516 Handle protection_domain; 517 if (accessing_class != NULL) { 518 accessing_klass = JVMCIENV->asKlass(accessing_class); 519 class_loader = Handle(THREAD, accessing_klass->class_loader()); 520 protection_domain = Handle(THREAD, accessing_klass->protection_domain()); 521 } else { 522 // Use the System class loader 523 class_loader = Handle(THREAD, SystemDictionary::java_system_loader()); 524 JVMCIENV->runtime()->initialize(JVMCIENV); 525 } 526 527 if (resolve) { 528 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0); 529 if (resolved_klass == NULL) { 530 JVMCI_THROW_MSG_NULL(ClassNotFoundException, str); 531 } 532 } else { 533 if (class_name->byte_at(0) == 'L' && 534 class_name->byte_at(class_name->utf8_length()-1) == ';') { 535 // This is a name from a signature. Strip off the trimmings. 536 // Call recursive to keep scope of strippedsym. 537 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1, 538 class_name->utf8_length()-2, 539 CHECK_0); 540 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0); 541 } else if (FieldType::is_array(class_name)) { 542 FieldArrayInfo fd; 543 // dimension and object_key in FieldArrayInfo are assigned as a side-effect 544 // of this call 545 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0); 546 if (t == T_OBJECT) { 547 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(), 548 class_name->utf8_length()-2-fd.dimension(), 549 CHECK_0); 550 resolved_klass = SystemDictionary::find(strippedsym, 551 class_loader, 552 protection_domain, 553 CHECK_0); 554 if (!resolved_klass.is_null()) { 555 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0); 556 } 557 } else { 558 resolved_klass = TypeArrayKlass::cast(Universe::typeArrayKlassObj(t))->array_klass(fd.dimension(), CHECK_0); 559 } 560 } else { 561 resolved_klass = SystemDictionary::find(class_name, class_loader, protection_domain, CHECK_0); 562 } 563 } 564 JVMCIObject result = JVMCIENV->get_jvmci_type(resolved_klass, JVMCI_CHECK_NULL); 565 return JVMCIENV->get_jobject(result); 566 C2V_END 567 568 C2V_VMENTRY_NULL(jobject, getArrayType, (JNIEnv* env, jobject, jobject jvmci_type)) 569 if (jvmci_type == NULL) { 570 JVMCI_THROW_0(NullPointerException); 571 } 572 573 JVMCIObject jvmci_type_object = JVMCIENV->wrap(jvmci_type); 574 JVMCIKlassHandle array_klass(THREAD); 575 if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(jvmci_type_object)) { 576 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(jvmci_type_object), JVMCI_CHECK_0); 577 if (type == T_VOID) { 578 return NULL; 579 } 580 array_klass = Universe::typeArrayKlassObj(type); 581 if (array_klass == NULL) { 582 JVMCI_THROW_MSG_NULL(InternalError, err_msg("No array klass for primitive type %s", type2name(type))); 583 } 584 } else { 585 Klass* klass = JVMCIENV->asKlass(jvmci_type); 586 if (klass == NULL) { 587 JVMCI_THROW_0(NullPointerException); 588 } 589 array_klass = klass->array_klass(CHECK_NULL); 590 } 591 JVMCIObject result = JVMCIENV->get_jvmci_type(array_klass, JVMCI_CHECK_NULL); 592 return JVMCIENV->get_jobject(result); 593 C2V_END 594 595 C2V_VMENTRY_NULL(jobject, lookupClass, (JNIEnv* env, jobject, jclass mirror)) 596 requireInHotSpot("lookupClass", JVMCI_CHECK_NULL); 597 if (mirror == NULL) { 598 return NULL; 599 } 600 JVMCIKlassHandle klass(THREAD); 601 klass = java_lang_Class::as_Klass(JNIHandles::resolve(mirror)); 602 if (klass == NULL) { 603 JVMCI_THROW_MSG_NULL(IllegalArgumentException, "Primitive classes are unsupported"); 604 } 605 JVMCIObject result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL); 606 return JVMCIENV->get_jobject(result); 607 } 608 609 C2V_VMENTRY_NULL(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 610 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool); 611 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL); 612 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(result)); 613 C2V_END 614 615 C2V_VMENTRY_0(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 616 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool); 617 return cp->name_and_type_ref_index_at(index); 618 C2V_END 619 620 C2V_VMENTRY_NULL(jobject, lookupNameInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint which)) 621 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool); 622 JVMCIObject sym = JVMCIENV->create_string(cp->name_ref_at(which), JVMCI_CHECK_NULL); 623 return JVMCIENV->get_jobject(sym); 624 C2V_END 625 626 C2V_VMENTRY_NULL(jobject, lookupSignatureInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint which)) 627 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool); 628 JVMCIObject sym = JVMCIENV->create_string(cp->signature_ref_at(which), JVMCI_CHECK_NULL); 629 return JVMCIENV->get_jobject(sym); 630 C2V_END 631 632 C2V_VMENTRY_0(jint, lookupKlassRefIndexInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 633 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool); 634 return cp->klass_ref_index_at(index); 635 C2V_END 636 637 C2V_VMENTRY_NULL(jobject, resolveTypeInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 638 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool); 639 Klass* klass = cp->klass_at(index, CHECK_NULL); 640 JVMCIKlassHandle resolved_klass(THREAD, klass); 641 if (resolved_klass->is_instance_klass()) { 642 InstanceKlass::cast(resolved_klass())->link_class(CHECK_NULL); 643 if (!InstanceKlass::cast(resolved_klass())->is_linked()) { 644 // link_class() should not return here if there is an issue. 645 JVMCI_THROW_MSG_NULL(InternalError, err_msg("Class %s must be linked", resolved_klass()->external_name())); 646 } 647 } 648 JVMCIObject klassObject = JVMCIENV->get_jvmci_type(resolved_klass, JVMCI_CHECK_NULL); 649 return JVMCIENV->get_jobject(klassObject); 650 C2V_END 651 652 C2V_VMENTRY_NULL(jobject, lookupKlassInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode)) 653 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool); 654 Klass* loading_klass = cp->pool_holder(); 655 bool is_accessible = false; 656 JVMCIKlassHandle klass(THREAD, JVMCIRuntime::get_klass_by_index(cp, index, is_accessible, loading_klass)); 657 Symbol* symbol = NULL; 658 if (klass.is_null()) { 659 constantTag tag = cp->tag_at(index); 660 if (tag.is_klass()) { 661 // The klass has been inserted into the constant pool 662 // very recently. 663 klass = cp->resolved_klass_at(index); 664 } else if (tag.is_symbol()) { 665 symbol = cp->symbol_at(index); 666 } else { 667 assert(cp->tag_at(index).is_unresolved_klass(), "wrong tag"); 668 symbol = cp->klass_name_at(index); 669 } 670 } 671 JVMCIObject result; 672 if (!klass.is_null()) { 673 result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL); 674 } else { 675 result = JVMCIENV->create_string(symbol, JVMCI_CHECK_NULL); 676 } 677 return JVMCIENV->get_jobject(result); 678 C2V_END 679 680 C2V_VMENTRY_NULL(jobject, lookupAppendixInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 681 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool); 682 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index); 683 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(appendix_oop)); 684 C2V_END 685 686 C2V_VMENTRY_NULL(jobject, lookupMethodInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode)) 687 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool); 688 InstanceKlass* pool_holder = cp->pool_holder(); 689 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF); 690 methodHandle method = JVMCIRuntime::get_method_by_index(cp, index, bc, pool_holder); 691 JVMCIObject result = JVMCIENV->get_jvmci_method(method, JVMCI_CHECK_NULL); 692 return JVMCIENV->get_jobject(result); 693 C2V_END 694 695 C2V_VMENTRY_0(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 696 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool); 697 return cp->remap_instruction_operand_from_cache(index); 698 C2V_END 699 700 C2V_VMENTRY_NULL(jobject, resolveFieldInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jintArray info_handle)) 701 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool); 702 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF); 703 fieldDescriptor fd; 704 LinkInfo link_info(cp, index, (jvmci_method != NULL) ? JVMCIENV->asMethod(jvmci_method) : NULL, CHECK_0); 705 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0); 706 JVMCIPrimitiveArray info = JVMCIENV->wrap(info_handle); 707 if (info.is_null() || JVMCIENV->get_length(info) != 3) { 708 JVMCI_ERROR_NULL("info must not be null and have a length of 3"); 709 } 710 JVMCIENV->put_int_at(info, 0, fd.access_flags().as_int()); 711 JVMCIENV->put_int_at(info, 1, fd.offset()); 712 JVMCIENV->put_int_at(info, 2, fd.index()); 713 JVMCIKlassHandle handle(THREAD, fd.field_holder()); 714 JVMCIObject field_holder = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL); 715 return JVMCIENV->get_jobject(field_holder); 716 C2V_END 717 718 C2V_VMENTRY_0(jint, getVtableIndexForInterfaceMethod, (JNIEnv* env, jobject, jobject jvmci_type, jobject jvmci_method)) 719 Klass* klass = JVMCIENV->asKlass(jvmci_type); 720 Method* method = JVMCIENV->asMethod(jvmci_method); 721 if (klass->is_interface()) { 722 JVMCI_THROW_MSG_0(InternalError, err_msg("Interface %s should be handled in Java code", klass->external_name())); 723 } 724 if (!method->method_holder()->is_interface()) { 725 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())); 726 } 727 if (!klass->is_instance_klass()) { 728 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be instance klass", klass->external_name())); 729 } 730 if (!InstanceKlass::cast(klass)->is_linked()) { 731 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be linked", klass->external_name())); 732 } 733 return LinkResolver::vtable_index_of_interface_method(klass, method); 734 C2V_END 735 736 C2V_VMENTRY_NULL(jobject, resolveMethod, (JNIEnv* env, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type)) 737 Klass* recv_klass = JVMCIENV->asKlass(receiver_jvmci_type); 738 Klass* caller_klass = JVMCIENV->asKlass(caller_jvmci_type); 739 methodHandle method = JVMCIENV->asMethod(jvmci_method); 740 741 Klass* resolved = method->method_holder(); 742 Symbol* h_name = method->name(); 743 Symbol* h_signature = method->signature(); 744 745 if (MethodHandles::is_signature_polymorphic_method(method())) { 746 // Signature polymorphic methods are already resolved, JVMCI just returns NULL in this case. 747 return NULL; 748 } 749 750 if (method->name() == vmSymbols::clone_name() && 751 resolved == SystemDictionary::Object_klass() && 752 recv_klass->is_array_klass()) { 753 // Resolution of the clone method on arrays always returns Object.clone even though that method 754 // has protected access. There's some trickery in the access checking to make this all work out 755 // so it's necessary to pass in the array class as the resolved class to properly trigger this. 756 // Otherwise it's impossible to resolve the array clone methods through JVMCI. See 757 // LinkResolver::check_method_accessability for the matching logic. 758 resolved = recv_klass; 759 } 760 761 LinkInfo link_info(resolved, h_name, h_signature, caller_klass); 762 methodHandle m; 763 // Only do exact lookup if receiver klass has been linked. Otherwise, 764 // the vtable has not been setup, and the LinkResolver will fail. 765 if (recv_klass->is_array_klass() || 766 (InstanceKlass::cast(recv_klass)->is_linked() && !recv_klass->is_interface())) { 767 if (resolved->is_interface()) { 768 m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info); 769 } else { 770 m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info); 771 } 772 } 773 774 if (m.is_null()) { 775 // Return NULL if there was a problem with lookup (uninitialized class, etc.) 776 return NULL; 777 } 778 779 JVMCIObject result = JVMCIENV->get_jvmci_method(m, JVMCI_CHECK_NULL); 780 return JVMCIENV->get_jobject(result); 781 C2V_END 782 783 C2V_VMENTRY_0(jboolean, hasFinalizableSubclass,(JNIEnv* env, jobject, jobject jvmci_type)) 784 Klass* klass = JVMCIENV->asKlass(jvmci_type); 785 assert(klass != NULL, "method must not be called for primitive types"); 786 return Dependencies::find_finalizable_subclass(klass) != NULL; 787 C2V_END 788 789 C2V_VMENTRY_NULL(jobject, getClassInitializer, (JNIEnv* env, jobject, jobject jvmci_type)) 790 Klass* klass = JVMCIENV->asKlass(jvmci_type); 791 if (!klass->is_instance_klass()) { 792 return NULL; 793 } 794 InstanceKlass* iklass = InstanceKlass::cast(klass); 795 JVMCIObject result = JVMCIENV->get_jvmci_method(iklass->class_initializer(), JVMCI_CHECK_NULL); 796 return JVMCIENV->get_jobject(result); 797 C2V_END 798 799 C2V_VMENTRY_0(jlong, getMaxCallTargetOffset, (JNIEnv* env, jobject, jlong addr)) 800 address target_addr = (address) addr; 801 if (target_addr != 0x0) { 802 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int)); 803 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int)); 804 return MAX2(ABS(off_low), ABS(off_high)); 805 } 806 return -1; 807 C2V_END 808 809 C2V_VMENTRY(void, setNotInlinableOrCompilable,(JNIEnv* env, jobject, jobject jvmci_method)) 810 methodHandle method = JVMCIENV->asMethod(jvmci_method); 811 method->set_not_c1_compilable(); 812 method->set_not_c2_compilable(); 813 method->set_dont_inline(true); 814 C2V_END 815 816 C2V_VMENTRY_0(jint, installCode, (JNIEnv *env, jobject, jobject target, jobject compiled_code, 817 jobject installed_code, jlong failed_speculations_address, jbyteArray speculations_obj)) 818 HandleMark hm; 819 JNIHandleMark jni_hm(thread); 820 821 JVMCIObject target_handle = JVMCIENV->wrap(target); 822 JVMCIObject compiled_code_handle = JVMCIENV->wrap(compiled_code); 823 CodeBlob* cb = NULL; 824 JVMCIObject installed_code_handle = JVMCIENV->wrap(installed_code); 825 JVMCIPrimitiveArray speculations_handle = JVMCIENV->wrap(speculations_obj); 826 827 int speculations_len = JVMCIENV->get_length(speculations_handle); 828 char* speculations = NEW_RESOURCE_ARRAY(char, speculations_len); 829 JVMCIENV->copy_bytes_to(speculations_handle, (jbyte*) speculations, 0, speculations_len); 830 831 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK_JNI_ERR); 832 833 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer()); 834 bool is_immutable_PIC = JVMCIENV->get_HotSpotCompiledCode_isImmutablePIC(compiled_code_handle) > 0; 835 836 CodeInstaller installer(JVMCIENV, is_immutable_PIC); 837 JVMCI::CodeInstallResult result = installer.install(compiler, 838 target_handle, 839 compiled_code_handle, 840 cb, 841 installed_code_handle, 842 (FailedSpeculation**)(address) failed_speculations_address, 843 speculations, 844 speculations_len, 845 JVMCI_CHECK_0); 846 847 if (PrintCodeCacheOnCompilation) { 848 stringStream s; 849 // Dump code cache into a buffer before locking the tty, 850 { 851 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); 852 CodeCache::print_summary(&s, false); 853 } 854 ttyLocker ttyl; 855 tty->print_raw_cr(s.as_string()); 856 } 857 858 if (result != JVMCI::ok) { 859 assert(cb == NULL, "should be"); 860 } else { 861 if (installed_code_handle.is_non_null()) { 862 if (cb->is_nmethod()) { 863 assert(JVMCIENV->isa_HotSpotNmethod(installed_code_handle), "wrong type"); 864 // Clear the link to an old nmethod first 865 JVMCIObject nmethod_mirror = installed_code_handle; 866 JVMCIENV->invalidate_nmethod_mirror(nmethod_mirror, JVMCI_CHECK_0); 867 } else { 868 assert(JVMCIENV->isa_InstalledCode(installed_code_handle), "wrong type"); 869 } 870 // Initialize the link to the new code blob 871 JVMCIENV->initialize_installed_code(installed_code_handle, cb, JVMCI_CHECK_0); 872 } 873 } 874 return result; 875 C2V_END 876 877 C2V_VMENTRY_0(jint, getMetadata, (JNIEnv *env, jobject, jobject target, jobject compiled_code, jobject metadata)) 878 #if INCLUDE_AOT 879 HandleMark hm; 880 assert(JVMCIENV->is_hotspot(), "AOT code is executed only in HotSpot mode"); 881 882 JVMCIObject target_handle = JVMCIENV->wrap(target); 883 JVMCIObject compiled_code_handle = JVMCIENV->wrap(compiled_code); 884 JVMCIObject metadata_handle = JVMCIENV->wrap(metadata); 885 886 CodeMetadata code_metadata; 887 888 CodeInstaller installer(JVMCIENV, true /* immutable PIC compilation */); 889 JVMCI::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, JVMCI_CHECK_0); 890 if (result != JVMCI::ok) { 891 return result; 892 } 893 894 if (code_metadata.get_nr_pc_desc() > 0) { 895 int size = sizeof(PcDesc) * code_metadata.get_nr_pc_desc(); 896 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full)); 897 JVMCIENV->copy_bytes_from((jbyte*) code_metadata.get_pc_desc(), array, 0, size); 898 HotSpotJVMCI::HotSpotMetaData::set_pcDescBytes(JVMCIENV, metadata_handle, array); 899 } 900 901 if (code_metadata.get_scopes_size() > 0) { 902 int size = code_metadata.get_scopes_size(); 903 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full)); 904 JVMCIENV->copy_bytes_from((jbyte*) code_metadata.get_scopes_desc(), array, 0, size); 905 HotSpotJVMCI::HotSpotMetaData::set_scopesDescBytes(JVMCIENV, metadata_handle, array); 906 } 907 908 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer(); 909 int size = (int) reloc_buffer->size(); 910 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full)); 911 JVMCIENV->copy_bytes_from((jbyte*) reloc_buffer->begin(), array, 0, size); 912 HotSpotJVMCI::HotSpotMetaData::set_relocBytes(JVMCIENV, metadata_handle, array); 913 914 const OopMapSet* oopMapSet = installer.oopMapSet(); 915 { 916 ResourceMark mark; 917 ImmutableOopMapBuilder builder(oopMapSet); 918 int size = builder.heap_size(); 919 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full)); 920 builder.generate_into((address) HotSpotJVMCI::resolve(array)->byte_at_addr(0)); 921 HotSpotJVMCI::HotSpotMetaData::set_oopMaps(JVMCIENV, metadata_handle, array); 922 } 923 924 AOTOopRecorder* recorder = code_metadata.get_oop_recorder(); 925 926 int nr_meta_refs = recorder->nr_meta_refs(); 927 JVMCIObjectArray metadataArray = JVMCIENV->new_Object_array(nr_meta_refs, JVMCI_CHECK_(JVMCI::cache_full)); 928 for (int i = 0; i < nr_meta_refs; ++i) { 929 jobject element = recorder->meta_element(i); 930 if (element == NULL) { 931 return JVMCI::cache_full; 932 } 933 JVMCIENV->put_object_at(metadataArray, i, JVMCIENV->wrap(element)); 934 } 935 HotSpotJVMCI::HotSpotMetaData::set_metadata(JVMCIENV, metadata_handle, metadataArray); 936 937 ExceptionHandlerTable* handler = code_metadata.get_exception_table(); 938 int table_size = handler->size_in_bytes(); 939 JVMCIPrimitiveArray exceptionArray = JVMCIENV->new_byteArray(table_size, JVMCI_CHECK_(JVMCI::cache_full)); 940 if (table_size > 0) { 941 handler->copy_bytes_to((address) HotSpotJVMCI::resolve(exceptionArray)->byte_at_addr(0)); 942 } 943 HotSpotJVMCI::HotSpotMetaData::set_exceptionBytes(JVMCIENV, metadata_handle, exceptionArray); 944 945 ImplicitExceptionTable* implicit = code_metadata.get_implicit_exception_table(); 946 int implicit_table_size = implicit->size_in_bytes(); 947 JVMCIPrimitiveArray implicitExceptionArray = JVMCIENV->new_byteArray(implicit_table_size, JVMCI_CHECK_(JVMCI::cache_full)); 948 if (implicit_table_size > 0) { 949 implicit->copy_bytes_to((address) HotSpotJVMCI::resolve(implicitExceptionArray)->byte_at_addr(0), implicit_table_size); 950 } 951 HotSpotJVMCI::HotSpotMetaData::set_implicitExceptionBytes(JVMCIENV, metadata_handle, implicitExceptionArray); 952 953 return result; 954 #else 955 JVMCI_THROW_MSG_0(InternalError, "unimplemented"); 956 #endif 957 C2V_END 958 959 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv* env, jobject)) 960 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK); 961 CompilerStatistics* stats = compiler->stats(); 962 stats->_standard.reset(); 963 stats->_osr.reset(); 964 C2V_END 965 966 C2V_VMENTRY_NULL(jobject, disassembleCodeBlob, (JNIEnv* env, jobject, jobject installedCode)) 967 HandleMark hm; 968 969 if (installedCode == NULL) { 970 JVMCI_THROW_MSG_NULL(NullPointerException, "installedCode is null"); 971 } 972 973 JVMCIObject installedCodeObject = JVMCIENV->wrap(installedCode); 974 nmethodLocker locker; 975 CodeBlob* cb = JVMCIENV->get_code_blob(installedCodeObject, locker); 976 if (cb == NULL) { 977 return NULL; 978 } 979 980 // We don't want the stringStream buffer to resize during disassembly as it 981 // uses scoped resource memory. If a nested function called during disassembly uses 982 // a ResourceMark and the buffer expands within the scope of the mark, 983 // the buffer becomes garbage when that scope is exited. Experience shows that 984 // the disassembled code is typically about 10x the code size so a fixed buffer 985 // sized to 20x code size plus a fixed amount for header info should be sufficient. 986 int bufferSize = cb->code_size() * 20 + 1024; 987 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize); 988 stringStream st(buffer, bufferSize); 989 if (cb->is_nmethod()) { 990 nmethod* nm = (nmethod*) cb; 991 if (!nm->is_alive()) { 992 return NULL; 993 } 994 } 995 Disassembler::decode(cb, &st); 996 if (st.size() <= 0) { 997 return NULL; 998 } 999 1000 JVMCIObject result = JVMCIENV->create_string(st.as_string(), JVMCI_CHECK_NULL); 1001 return JVMCIENV->get_jobject(result); 1002 C2V_END 1003 1004 C2V_VMENTRY_NULL(jobject, getStackTraceElement, (JNIEnv* env, jobject, jobject jvmci_method, int bci)) 1005 HandleMark hm; 1006 1007 methodHandle method = JVMCIENV->asMethod(jvmci_method); 1008 JVMCIObject element = JVMCIENV->new_StackTraceElement(method, bci, JVMCI_CHECK_NULL); 1009 return JVMCIENV->get_jobject(element); 1010 C2V_END 1011 1012 C2V_VMENTRY_NULL(jobject, executeHotSpotNmethod, (JNIEnv* env, jobject, jobject args, jobject hs_nmethod)) 1013 // The incoming arguments array would have to contain JavaConstants instead of regular objects 1014 // and the return value would have to be wrapped as a JavaConstant. 1015 requireInHotSpot("executeHotSpotNmethod", JVMCI_CHECK_NULL); 1016 1017 HandleMark hm; 1018 1019 JVMCIObject nmethod_mirror = JVMCIENV->wrap(hs_nmethod); 1020 nmethodLocker locker; 1021 nmethod* nm = JVMCIENV->get_nmethod(nmethod_mirror, locker); 1022 if (nm == NULL || !nm->is_in_use()) { 1023 JVMCI_THROW_NULL(InvalidInstalledCodeException); 1024 } 1025 methodHandle mh = nm->method(); 1026 Symbol* signature = mh->signature(); 1027 JavaCallArguments jca(mh->size_of_parameters()); 1028 1029 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static()); 1030 JavaValue result(jap.get_ret_type()); 1031 jca.set_alternative_target(Handle(THREAD, JNIHandles::resolve(nmethod_mirror.as_jobject()))); 1032 JavaCalls::call(&result, mh, &jca, CHECK_NULL); 1033 1034 if (jap.get_ret_type() == T_VOID) { 1035 return NULL; 1036 } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) { 1037 return JNIHandles::make_local((oop) result.get_jobject()); 1038 } else { 1039 jvalue *value = (jvalue *) result.get_value_addr(); 1040 // Narrow the value down if required (Important on big endian machines) 1041 switch (jap.get_ret_type()) { 1042 case T_BOOLEAN: 1043 value->z = (jboolean) value->i; 1044 break; 1045 case T_BYTE: 1046 value->b = (jbyte) value->i; 1047 break; 1048 case T_CHAR: 1049 value->c = (jchar) value->i; 1050 break; 1051 case T_SHORT: 1052 value->s = (jshort) value->i; 1053 break; 1054 default: 1055 break; 1056 } 1057 JVMCIObject o = JVMCIENV->create_box(jap.get_ret_type(), value, JVMCI_CHECK_NULL); 1058 return JVMCIENV->get_jobject(o); 1059 } 1060 C2V_END 1061 1062 C2V_VMENTRY_NULL(jlongArray, getLineNumberTable, (JNIEnv* env, jobject, jobject jvmci_method)) 1063 Method* method = JVMCIENV->asMethod(jvmci_method); 1064 if (!method->has_linenumber_table()) { 1065 return NULL; 1066 } 1067 u2 num_entries = 0; 1068 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table()); 1069 while (streamForSize.read_pair()) { 1070 num_entries++; 1071 } 1072 1073 CompressedLineNumberReadStream stream(method->compressed_linenumber_table()); 1074 JVMCIPrimitiveArray result = JVMCIENV->new_longArray(2 * num_entries, JVMCI_CHECK_NULL); 1075 1076 int i = 0; 1077 jlong value; 1078 while (stream.read_pair()) { 1079 value = ((long) stream.bci()); 1080 JVMCIENV->put_long_at(result, i, value); 1081 value = ((long) stream.line()); 1082 JVMCIENV->put_long_at(result, i + 1, value); 1083 i += 2; 1084 } 1085 1086 return (jlongArray) JVMCIENV->get_jobject(result); 1087 C2V_END 1088 1089 C2V_VMENTRY_0(jlong, getLocalVariableTableStart, (JNIEnv* env, jobject, jobject jvmci_method)) 1090 Method* method = JVMCIENV->asMethod(jvmci_method); 1091 if (!method->has_localvariable_table()) { 1092 return 0; 1093 } 1094 return (jlong) (address) method->localvariable_table_start(); 1095 C2V_END 1096 1097 C2V_VMENTRY_0(jint, getLocalVariableTableLength, (JNIEnv* env, jobject, jobject jvmci_method)) 1098 Method* method = JVMCIENV->asMethod(jvmci_method); 1099 return method->localvariable_table_length(); 1100 C2V_END 1101 1102 C2V_VMENTRY(void, reprofile, (JNIEnv* env, jobject, jobject jvmci_method)) 1103 Method* method = JVMCIENV->asMethod(jvmci_method); 1104 MethodCounters* mcs = method->method_counters(); 1105 if (mcs != NULL) { 1106 mcs->clear_counters(); 1107 } 1108 NOT_PRODUCT(method->set_compiled_invocation_count(0)); 1109 1110 CompiledMethod* code = method->code(); 1111 if (code != NULL) { 1112 code->make_not_entrant(); 1113 } 1114 1115 MethodData* method_data = method->method_data(); 1116 if (method_data == NULL) { 1117 ClassLoaderData* loader_data = method->method_holder()->class_loader_data(); 1118 method_data = MethodData::allocate(loader_data, method, CHECK); 1119 method->set_method_data(method_data); 1120 } else { 1121 method_data->initialize(); 1122 } 1123 C2V_END 1124 1125 1126 C2V_VMENTRY(void, invalidateHotSpotNmethod, (JNIEnv* env, jobject, jobject hs_nmethod)) 1127 JVMCIObject nmethod_mirror = JVMCIENV->wrap(hs_nmethod); 1128 JVMCIENV->invalidate_nmethod_mirror(nmethod_mirror, JVMCI_CHECK); 1129 C2V_END 1130 1131 C2V_VMENTRY_NULL(jobject, readUncompressedOop, (JNIEnv* env, jobject, jlong addr)) 1132 oop ret = RawAccess<>::oop_load((oop*)(address)addr); 1133 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(ret)); 1134 C2V_END 1135 1136 C2V_VMENTRY_NULL(jlongArray, collectCounters, (JNIEnv* env, jobject)) 1137 // Returns a zero length array if counters aren't enabled 1138 JVMCIPrimitiveArray array = JVMCIENV->new_longArray(JVMCICounterSize, JVMCI_CHECK_NULL); 1139 if (JVMCICounterSize > 0) { 1140 jlong* temp_array = NEW_RESOURCE_ARRAY(jlong, JVMCICounterSize); 1141 JavaThread::collect_counters(temp_array, JVMCICounterSize); 1142 JVMCIENV->copy_longs_from(temp_array, array, 0, JVMCICounterSize); 1143 } 1144 return (jlongArray) JVMCIENV->get_jobject(array); 1145 C2V_END 1146 1147 C2V_VMENTRY_0(jint, getCountersSize, (JNIEnv* env, jobject)) 1148 return (jint) JVMCICounterSize; 1149 C2V_END 1150 1151 C2V_VMENTRY_0(jboolean, setCountersSize, (JNIEnv* env, jobject, jint new_size)) 1152 return JavaThread::resize_all_jvmci_counters(new_size); 1153 C2V_END 1154 1155 C2V_VMENTRY_0(jint, allocateCompileId, (JNIEnv* env, jobject, jobject jvmci_method, int entry_bci)) 1156 HandleMark hm; 1157 if (jvmci_method == NULL) { 1158 JVMCI_THROW_0(NullPointerException); 1159 } 1160 Method* method = JVMCIENV->asMethod(jvmci_method); 1161 if (entry_bci >= method->code_size() || entry_bci < -1) { 1162 JVMCI_THROW_MSG_0(IllegalArgumentException, err_msg("Unexpected bci %d", entry_bci)); 1163 } 1164 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci); 1165 C2V_END 1166 1167 1168 C2V_VMENTRY_0(jboolean, isMature, (JNIEnv* env, jobject, jlong metaspace_method_data)) 1169 MethodData* mdo = JVMCIENV->asMethodData(metaspace_method_data); 1170 return mdo != NULL && mdo->is_mature(); 1171 C2V_END 1172 1173 C2V_VMENTRY_0(jboolean, hasCompiledCodeForOSR, (JNIEnv* env, jobject, jobject jvmci_method, int entry_bci, int comp_level)) 1174 Method* method = JVMCIENV->asMethod(jvmci_method); 1175 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL; 1176 C2V_END 1177 1178 C2V_VMENTRY_NULL(jobject, getSymbol, (JNIEnv* env, jobject, jlong symbol)) 1179 JVMCIObject sym = JVMCIENV->create_string((Symbol*)(address)symbol, JVMCI_CHECK_NULL); 1180 return JVMCIENV->get_jobject(sym); 1181 C2V_END 1182 1183 bool matches(jobjectArray methods, Method* method, JVMCIEnv* JVMCIENV) { 1184 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods); 1185 1186 for (int i = 0; i < methods_oop->length(); i++) { 1187 oop resolved = methods_oop->obj_at(i); 1188 if ((resolved->klass() == HotSpotJVMCI::HotSpotResolvedJavaMethodImpl::klass()) && HotSpotJVMCI::asMethod(JVMCIENV, resolved) == method) { 1189 return true; 1190 } 1191 } 1192 return false; 1193 } 1194 1195 void call_interface(JavaValue* result, Klass* spec_klass, Symbol* name, Symbol* signature, JavaCallArguments* args, TRAPS) { 1196 CallInfo callinfo; 1197 Handle receiver = args->receiver(); 1198 Klass* recvrKlass = receiver.is_null() ? (Klass*)NULL : receiver->klass(); 1199 LinkInfo link_info(spec_klass, name, signature); 1200 LinkResolver::resolve_interface_call( 1201 callinfo, receiver, recvrKlass, link_info, true, CHECK); 1202 methodHandle method = callinfo.selected_method(); 1203 assert(method.not_null(), "should have thrown exception"); 1204 1205 // Invoke the method 1206 JavaCalls::call(result, method, args, CHECK); 1207 } 1208 1209 C2V_VMENTRY_NULL(jobject, iterateFrames, (JNIEnv* env, jobject compilerToVM, jobjectArray initial_methods, jobjectArray match_methods, jint initialSkip, jobject visitor_handle)) 1210 1211 if (!thread->has_last_Java_frame()) { 1212 return NULL; 1213 } 1214 Handle visitor(THREAD, JNIHandles::resolve_non_null(visitor_handle)); 1215 1216 requireInHotSpot("iterateFrames", JVMCI_CHECK_NULL); 1217 1218 HotSpotJVMCI::HotSpotStackFrameReference::klass()->initialize(CHECK_NULL); 1219 Handle frame_reference = HotSpotJVMCI::HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL); 1220 1221 StackFrameStream fst(thread); 1222 jobjectArray methods = initial_methods; 1223 1224 int frame_number = 0; 1225 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); 1226 1227 while (true) { 1228 // look for the given method 1229 bool realloc_called = false; 1230 while (true) { 1231 StackValueCollection* locals = NULL; 1232 if (vf->is_compiled_frame()) { 1233 // compiled method frame 1234 compiledVFrame* cvf = compiledVFrame::cast(vf); 1235 if (methods == NULL || matches(methods, cvf->method(), JVMCIENV)) { 1236 if (initialSkip > 0) { 1237 initialSkip--; 1238 } else { 1239 ScopeDesc* scope = cvf->scope(); 1240 // native wrappers do not have a scope 1241 if (scope != NULL && scope->objects() != NULL) { 1242 GrowableArray<ScopeValue*>* objects; 1243 if (!realloc_called) { 1244 objects = scope->objects(); 1245 } else { 1246 // some object might already have been re-allocated, only reallocate the non-allocated ones 1247 objects = new GrowableArray<ScopeValue*>(scope->objects()->length()); 1248 for (int i = 0; i < scope->objects()->length(); i++) { 1249 ObjectValue* sv = (ObjectValue*) scope->objects()->at(i); 1250 if (sv->value().is_null()) { 1251 objects->append(sv); 1252 } 1253 } 1254 } 1255 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), fst.register_map(), objects, CHECK_NULL); 1256 Deoptimization::reassign_fields(fst.current(), fst.register_map(), objects, realloc_failures, false); 1257 realloc_called = true; 1258 1259 GrowableArray<ScopeValue*>* local_values = scope->locals(); 1260 assert(local_values != NULL, "NULL locals"); 1261 typeArrayOop array_oop = oopFactory::new_boolArray(local_values->length(), CHECK_NULL); 1262 typeArrayHandle array(THREAD, array_oop); 1263 for (int i = 0; i < local_values->length(); i++) { 1264 ScopeValue* value = local_values->at(i); 1265 if (value->is_object()) { 1266 array->bool_at_put(i, true); 1267 } 1268 } 1269 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), array()); 1270 } else { 1271 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), NULL); 1272 } 1273 1274 locals = cvf->locals(); 1275 HotSpotJVMCI::HotSpotStackFrameReference::set_bci(JVMCIENV, frame_reference(), cvf->bci()); 1276 JVMCIObject method = JVMCIENV->get_jvmci_method(cvf->method(), JVMCI_CHECK_NULL); 1277 HotSpotJVMCI::HotSpotStackFrameReference::set_method(JVMCIENV, frame_reference(), JNIHandles::resolve(method.as_jobject())); 1278 } 1279 } 1280 } else if (vf->is_interpreted_frame()) { 1281 // interpreted method frame 1282 interpretedVFrame* ivf = interpretedVFrame::cast(vf); 1283 if (methods == NULL || matches(methods, ivf->method(), JVMCIENV)) { 1284 if (initialSkip > 0) { 1285 initialSkip--; 1286 } else { 1287 locals = ivf->locals(); 1288 HotSpotJVMCI::HotSpotStackFrameReference::set_bci(JVMCIENV, frame_reference(), ivf->bci()); 1289 JVMCIObject method = JVMCIENV->get_jvmci_method(ivf->method(), JVMCI_CHECK_NULL); 1290 HotSpotJVMCI::HotSpotStackFrameReference::set_method(JVMCIENV, frame_reference(), JNIHandles::resolve(method.as_jobject())); 1291 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), NULL); 1292 } 1293 } 1294 } 1295 1296 // locals != NULL means that we found a matching frame and result is already partially initialized 1297 if (locals != NULL) { 1298 methods = match_methods; 1299 HotSpotJVMCI::HotSpotStackFrameReference::set_compilerToVM(JVMCIENV, frame_reference(), JNIHandles::resolve(compilerToVM)); 1300 HotSpotJVMCI::HotSpotStackFrameReference::set_stackPointer(JVMCIENV, frame_reference(), (jlong) fst.current()->sp()); 1301 HotSpotJVMCI::HotSpotStackFrameReference::set_frameNumber(JVMCIENV, frame_reference(), frame_number); 1302 1303 // initialize the locals array 1304 objArrayOop array_oop = oopFactory::new_objectArray(locals->size(), CHECK_NULL); 1305 objArrayHandle array(THREAD, array_oop); 1306 for (int i = 0; i < locals->size(); i++) { 1307 StackValue* var = locals->at(i); 1308 if (var->type() == T_OBJECT) { 1309 array->obj_at_put(i, locals->at(i)->get_obj()()); 1310 } 1311 } 1312 HotSpotJVMCI::HotSpotStackFrameReference::set_locals(JVMCIENV, frame_reference(), array()); 1313 HotSpotJVMCI::HotSpotStackFrameReference::set_objectsMaterialized(JVMCIENV, frame_reference(), JNI_FALSE); 1314 1315 JavaValue result(T_OBJECT); 1316 JavaCallArguments args(visitor); 1317 args.push_oop(frame_reference); 1318 call_interface(&result, HotSpotJVMCI::InspectedFrameVisitor::klass(), vmSymbols::visitFrame_name(), vmSymbols::visitFrame_signature(), &args, CHECK_NULL); 1319 if (result.get_jobject() != NULL) { 1320 return JNIHandles::make_local(thread, (oop) result.get_jobject()); 1321 } 1322 assert(initialSkip == 0, "There should be no match before initialSkip == 0"); 1323 if (HotSpotJVMCI::HotSpotStackFrameReference::objectsMaterialized(JVMCIENV, frame_reference()) == JNI_TRUE) { 1324 // the frame has been deoptimized, we need to re-synchronize the frame and vframe 1325 intptr_t* stack_pointer = (intptr_t*) HotSpotJVMCI::HotSpotStackFrameReference::stackPointer(JVMCIENV, frame_reference()); 1326 fst = StackFrameStream(thread); 1327 while (fst.current()->sp() != stack_pointer && !fst.is_done()) { 1328 fst.next(); 1329 } 1330 if (fst.current()->sp() != stack_pointer) { 1331 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt") 1332 } 1333 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); 1334 if (!vf->is_compiled_frame()) { 1335 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected") 1336 } 1337 for (int i = 0; i < frame_number; i++) { 1338 if (vf->is_top()) { 1339 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "vframe not found after deopt") 1340 } 1341 vf = vf->sender(); 1342 assert(vf->is_compiled_frame(), "Wrong frame type"); 1343 } 1344 } 1345 frame_reference = HotSpotJVMCI::HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL); 1346 HotSpotJVMCI::HotSpotStackFrameReference::klass()->initialize(CHECK_NULL); 1347 } 1348 1349 if (vf->is_top()) { 1350 break; 1351 } 1352 frame_number++; 1353 vf = vf->sender(); 1354 } // end of vframe loop 1355 1356 if (fst.is_done()) { 1357 break; 1358 } 1359 fst.next(); 1360 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); 1361 frame_number = 0; 1362 } // end of frame loop 1363 1364 // the end was reached without finding a matching method 1365 return NULL; 1366 C2V_END 1367 1368 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 1369 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool); 1370 CallInfo callInfo; 1371 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK); 1372 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index); 1373 cp_cache_entry->set_dynamic_call(cp, callInfo); 1374 C2V_END 1375 1376 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 1377 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool); 1378 Klass* holder = cp->klass_ref_at(index, CHECK); 1379 Symbol* name = cp->name_ref_at(index); 1380 if (MethodHandles::is_signature_polymorphic_name(holder, name)) { 1381 CallInfo callInfo; 1382 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK); 1383 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index)); 1384 cp_cache_entry->set_method_handle(cp, callInfo); 1385 } 1386 C2V_END 1387 1388 C2V_VMENTRY_0(jint, isResolvedInvokeHandleInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 1389 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool); 1390 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index)); 1391 if (cp_cache_entry->is_resolved(Bytecodes::_invokehandle)) { 1392 // MethodHandle.invoke* --> LambdaForm? 1393 ResourceMark rm; 1394 1395 LinkInfo link_info(cp, index, CATCH); 1396 1397 Klass* resolved_klass = link_info.resolved_klass(); 1398 1399 Symbol* name_sym = cp->name_ref_at(index); 1400 1401 vmassert(MethodHandles::is_method_handle_invoke_name(resolved_klass, name_sym), "!"); 1402 vmassert(MethodHandles::is_signature_polymorphic_name(resolved_klass, name_sym), "!"); 1403 1404 methodHandle adapter_method(cp_cache_entry->f1_as_method()); 1405 1406 methodHandle resolved_method(adapter_method); 1407 1408 // Can we treat it as a regular invokevirtual? 1409 if (resolved_method->method_holder() == resolved_klass && resolved_method->name() == name_sym) { 1410 vmassert(!resolved_method->is_static(),"!"); 1411 vmassert(MethodHandles::is_signature_polymorphic_method(resolved_method()),"!"); 1412 vmassert(!MethodHandles::is_signature_polymorphic_static(resolved_method->intrinsic_id()), "!"); 1413 vmassert(cp_cache_entry->appendix_if_resolved(cp) == NULL, "!"); 1414 vmassert(cp_cache_entry->method_type_if_resolved(cp) == NULL, "!"); 1415 1416 methodHandle m(LinkResolver::linktime_resolve_virtual_method_or_null(link_info)); 1417 vmassert(m == resolved_method, "!!"); 1418 return -1; 1419 } 1420 1421 return Bytecodes::_invokevirtual; 1422 } 1423 if (cp_cache_entry->is_resolved(Bytecodes::_invokedynamic)) { 1424 return Bytecodes::_invokedynamic; 1425 } 1426 return -1; 1427 C2V_END 1428 1429 1430 C2V_VMENTRY_NULL(jobject, getSignaturePolymorphicHolders, (JNIEnv* env, jobject)) 1431 JVMCIObjectArray holders = JVMCIENV->new_String_array(2, JVMCI_CHECK_NULL); 1432 JVMCIObject mh = JVMCIENV->create_string("Ljava/lang/invoke/MethodHandle;", JVMCI_CHECK_NULL); 1433 JVMCIObject vh = JVMCIENV->create_string("Ljava/lang/invoke/VarHandle;", JVMCI_CHECK_NULL); 1434 JVMCIENV->put_object_at(holders, 0, mh); 1435 JVMCIENV->put_object_at(holders, 1, vh); 1436 return JVMCIENV->get_jobject(holders); 1437 C2V_END 1438 1439 C2V_VMENTRY_0(jboolean, shouldDebugNonSafepoints, (JNIEnv* env, jobject)) 1440 //see compute_recording_non_safepoints in debugInfroRec.cpp 1441 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) { 1442 return true; 1443 } 1444 return DebugNonSafepoints; 1445 C2V_END 1446 1447 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate); 1448 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv* env, jobject, jobject _hs_frame, bool invalidate)) 1449 JVMCIObject hs_frame = JVMCIENV->wrap(_hs_frame); 1450 if (hs_frame.is_null()) { 1451 JVMCI_THROW_MSG(NullPointerException, "stack frame is null"); 1452 } 1453 1454 requireInHotSpot("materializeVirtualObjects", JVMCI_CHECK); 1455 1456 JVMCIENV->HotSpotStackFrameReference_initialize(JVMCI_CHECK); 1457 1458 // look for the given stack frame 1459 StackFrameStream fst(thread); 1460 intptr_t* stack_pointer = (intptr_t*) JVMCIENV->get_HotSpotStackFrameReference_stackPointer(hs_frame); 1461 while (fst.current()->sp() != stack_pointer && !fst.is_done()) { 1462 fst.next(); 1463 } 1464 if (fst.current()->sp() != stack_pointer) { 1465 JVMCI_THROW_MSG(IllegalStateException, "stack frame not found"); 1466 } 1467 1468 if (invalidate) { 1469 if (!fst.current()->is_compiled_frame()) { 1470 JVMCI_THROW_MSG(IllegalStateException, "compiled stack frame expected"); 1471 } 1472 assert(fst.current()->cb()->is_nmethod(), "nmethod expected"); 1473 ((nmethod*) fst.current()->cb())->make_not_entrant(); 1474 } 1475 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none); 1476 // look for the frame again as it has been updated by deopt (pc, deopt state...) 1477 StackFrameStream fstAfterDeopt(thread); 1478 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) { 1479 fstAfterDeopt.next(); 1480 } 1481 if (fstAfterDeopt.current()->sp() != stack_pointer) { 1482 JVMCI_THROW_MSG(IllegalStateException, "stack frame not found after deopt"); 1483 } 1484 1485 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread); 1486 if (!vf->is_compiled_frame()) { 1487 JVMCI_THROW_MSG(IllegalStateException, "compiled stack frame expected"); 1488 } 1489 1490 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10); 1491 while (true) { 1492 assert(vf->is_compiled_frame(), "Wrong frame type"); 1493 virtualFrames->push(compiledVFrame::cast(vf)); 1494 if (vf->is_top()) { 1495 break; 1496 } 1497 vf = vf->sender(); 1498 } 1499 1500 int last_frame_number = JVMCIENV->get_HotSpotStackFrameReference_frameNumber(hs_frame); 1501 if (last_frame_number >= virtualFrames->length()) { 1502 JVMCI_THROW_MSG(IllegalStateException, "invalid frame number"); 1503 } 1504 1505 // Reallocate the non-escaping objects and restore their fields. 1506 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope"); 1507 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects(); 1508 1509 if (objects == NULL) { 1510 // no objects to materialize 1511 return; 1512 } 1513 1514 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, CHECK); 1515 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false); 1516 1517 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) { 1518 compiledVFrame* cvf = virtualFrames->at(frame_index); 1519 1520 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals(); 1521 StackValueCollection* locals = cvf->locals(); 1522 if (locals != NULL) { 1523 for (int i2 = 0; i2 < locals->size(); i2++) { 1524 StackValue* var = locals->at(i2); 1525 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) { 1526 jvalue val; 1527 val.l = (jobject) locals->at(i2)->get_obj()(); 1528 cvf->update_local(T_OBJECT, i2, val); 1529 } 1530 } 1531 } 1532 1533 GrowableArray<ScopeValue*>* scopeExpressions = cvf->scope()->expressions(); 1534 StackValueCollection* expressions = cvf->expressions(); 1535 if (expressions != NULL) { 1536 for (int i2 = 0; i2 < expressions->size(); i2++) { 1537 StackValue* var = expressions->at(i2); 1538 if (var->type() == T_OBJECT && scopeExpressions->at(i2)->is_object()) { 1539 jvalue val; 1540 val.l = (jobject) expressions->at(i2)->get_obj()(); 1541 cvf->update_stack(T_OBJECT, i2, val); 1542 } 1543 } 1544 } 1545 1546 GrowableArray<MonitorValue*>* scopeMonitors = cvf->scope()->monitors(); 1547 GrowableArray<MonitorInfo*>* monitors = cvf->monitors(); 1548 if (monitors != NULL) { 1549 for (int i2 = 0; i2 < monitors->length(); i2++) { 1550 cvf->update_monitor(i2, monitors->at(i2)); 1551 } 1552 } 1553 } 1554 1555 // all locals are materialized by now 1556 JVMCIENV->set_HotSpotStackFrameReference_localIsVirtual(hs_frame, NULL); 1557 // update the locals array 1558 JVMCIObjectArray array = JVMCIENV->get_HotSpotStackFrameReference_locals(hs_frame); 1559 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals(); 1560 for (int i = 0; i < locals->size(); i++) { 1561 StackValue* var = locals->at(i); 1562 if (var->type() == T_OBJECT) { 1563 JVMCIENV->put_object_at(array, i, HotSpotJVMCI::wrap(locals->at(i)->get_obj()())); 1564 } 1565 } 1566 HotSpotJVMCI::HotSpotStackFrameReference::set_objectsMaterialized(JVMCIENV, hs_frame, JNI_TRUE); 1567 C2V_END 1568 1569 // Creates a scope where the current thread is attached and detached 1570 // from HotSpot if it wasn't already attached when entering the scope. 1571 extern "C" void jio_printf(const char *fmt, ...); 1572 class AttachDetach : public StackObj { 1573 public: 1574 bool _attached; 1575 AttachDetach(JNIEnv* env, JavaThread* current_thread) { 1576 if (current_thread == NULL) { 1577 extern struct JavaVM_ main_vm; 1578 JNIEnv* hotspotEnv; 1579 jint res = main_vm.AttachCurrentThread((void**)&hotspotEnv, NULL); 1580 _attached = res == JNI_OK; 1581 static volatile int report_attach_error = 0; 1582 if (res != JNI_OK && report_attach_error == 0 && Atomic::cmpxchg(1, &report_attach_error, 0) == 0) { 1583 // Only report an attach error once 1584 jio_printf("Warning: attaching current thread to VM failed with %d (future attach errors are suppressed)\n", res); 1585 } 1586 } else { 1587 _attached = false; 1588 } 1589 } 1590 ~AttachDetach() { 1591 if (_attached && get_current_thread() != NULL) { 1592 extern struct JavaVM_ main_vm; 1593 jint res = main_vm.DetachCurrentThread(); 1594 static volatile int report_detach_error = 0; 1595 if (res != JNI_OK && report_detach_error == 0 && Atomic::cmpxchg(1, &report_detach_error, 0) == 0) { 1596 // Only report an attach error once 1597 jio_printf("Warning: detaching current thread from VM failed with %d (future attach errors are suppressed)\n", res); 1598 } 1599 } 1600 } 1601 }; 1602 1603 C2V_VMENTRY_PREFIX(jint, writeDebugOutput, (JNIEnv* env, jobject, jbyteArray bytes, jint offset, jint length, bool flush, bool can_throw)) 1604 AttachDetach ad(env, thread); 1605 bool use_tty = true; 1606 if (thread == NULL) { 1607 if (!ad._attached) { 1608 // Can only use tty if the current thread is attached 1609 TRACE_jvmci_1("Cannot write to tty on unattached thread"); 1610 return 0; 1611 } 1612 thread = get_current_thread(); 1613 } 1614 JVMCITraceMark jtm("writeDebugOutput"); 1615 C2V_BLOCK(void, writeDebugOutput, (JNIEnv* env, jobject, jbyteArray bytes, jint offset, jint length)) 1616 if (bytes == NULL) { 1617 if (can_throw) { 1618 JVMCI_THROW_0(NullPointerException); 1619 } 1620 return -1; 1621 } 1622 JVMCIPrimitiveArray array = JVMCIENV->wrap(bytes); 1623 1624 // Check if offset and length are non negative. 1625 if (offset < 0 || length < 0) { 1626 if (can_throw) { 1627 JVMCI_THROW_0(ArrayIndexOutOfBoundsException); 1628 } 1629 return -2; 1630 } 1631 // Check if the range is valid. 1632 int array_length = JVMCIENV->get_length(array); 1633 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array_length)) { 1634 if (can_throw) { 1635 JVMCI_THROW_0(ArrayIndexOutOfBoundsException); 1636 } 1637 return -2; 1638 } 1639 jbyte buffer[O_BUFLEN]; 1640 while (length > 0) { 1641 int copy_len = MIN2(length, (jint)O_BUFLEN); 1642 JVMCIENV->copy_bytes_to(array, buffer, offset, copy_len); 1643 tty->write((char*) buffer, copy_len); 1644 length -= O_BUFLEN; 1645 offset += O_BUFLEN; 1646 } 1647 if (flush) { 1648 tty->flush(); 1649 } 1650 return 0; 1651 C2V_END 1652 1653 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv* env, jobject)) 1654 tty->flush(); 1655 C2V_END 1656 1657 C2V_VMENTRY_0(jint, methodDataProfileDataSize, (JNIEnv* env, jobject, jlong metaspace_method_data, jint position)) 1658 MethodData* mdo = JVMCIENV->asMethodData(metaspace_method_data); 1659 ProfileData* profile_data = mdo->data_at(position); 1660 if (mdo->is_valid(profile_data)) { 1661 return profile_data->size_in_bytes(); 1662 } 1663 DataLayout* data = mdo->extra_data_base(); 1664 DataLayout* end = mdo->extra_data_limit(); 1665 for (;; data = mdo->next_extra(data)) { 1666 assert(data < end, "moved past end of extra data"); 1667 profile_data = data->data_in(); 1668 if (mdo->dp_to_di(profile_data->dp()) == position) { 1669 return profile_data->size_in_bytes(); 1670 } 1671 } 1672 JVMCI_THROW_MSG_0(IllegalArgumentException, err_msg("Invalid profile data position %d", position)); 1673 C2V_END 1674 1675 C2V_VMENTRY_0(jlong, getFingerprint, (JNIEnv* env, jobject, jlong metaspace_klass)) 1676 #if INCLUDE_AOT 1677 Klass *k = (Klass*) (address) metaspace_klass; 1678 if (k->is_instance_klass()) { 1679 return InstanceKlass::cast(k)->get_stored_fingerprint(); 1680 } else { 1681 return 0; 1682 } 1683 #else 1684 JVMCI_THROW_MSG_0(InternalError, "unimplemented"); 1685 #endif 1686 C2V_END 1687 1688 C2V_VMENTRY_NULL(jobject, getHostClass, (JNIEnv* env, jobject, jobject jvmci_type)) 1689 InstanceKlass* k = InstanceKlass::cast(JVMCIENV->asKlass(jvmci_type)); 1690 InstanceKlass* host = k->host_klass(); 1691 JVMCIKlassHandle handle(THREAD, host); 1692 JVMCIObject result = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL); 1693 return JVMCIENV->get_jobject(result); 1694 C2V_END 1695 1696 C2V_VMENTRY_NULL(jobject, getInterfaces, (JNIEnv* env, jobject, jobject jvmci_type)) 1697 if (jvmci_type == NULL) { 1698 JVMCI_THROW_0(NullPointerException); 1699 } 1700 1701 Klass* klass = JVMCIENV->asKlass(jvmci_type); 1702 if (klass == NULL) { 1703 JVMCI_THROW_0(NullPointerException); 1704 } 1705 if (!klass->is_instance_klass()) { 1706 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be instance klass", klass->external_name())); 1707 } 1708 InstanceKlass* iklass = InstanceKlass::cast(klass); 1709 1710 // Regular instance klass, fill in all local interfaces 1711 int size = iklass->local_interfaces()->length(); 1712 JVMCIObjectArray interfaces = JVMCIENV->new_HotSpotResolvedObjectTypeImpl_array(size, JVMCI_CHECK_NULL); 1713 for (int index = 0; index < size; index++) { 1714 JVMCIKlassHandle klass(THREAD); 1715 Klass* k = iklass->local_interfaces()->at(index); 1716 klass = k; 1717 JVMCIObject type = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL); 1718 JVMCIENV->put_object_at(interfaces, index, type); 1719 } 1720 return JVMCIENV->get_jobject(interfaces); 1721 C2V_END 1722 1723 C2V_VMENTRY_NULL(jobject, getComponentType, (JNIEnv* env, jobject, jobject jvmci_type)) 1724 if (jvmci_type == NULL) { 1725 JVMCI_THROW_0(NullPointerException); 1726 } 1727 1728 Klass* klass = JVMCIENV->asKlass(jvmci_type); 1729 oop mirror = klass->java_mirror(); 1730 if (java_lang_Class::is_primitive(mirror) || 1731 !java_lang_Class::as_Klass(mirror)->is_array_klass()) { 1732 return NULL; 1733 } 1734 1735 oop component_mirror = java_lang_Class::component_mirror(mirror); 1736 if (component_mirror == NULL) { 1737 return NULL; 1738 } 1739 Klass* component_klass = java_lang_Class::as_Klass(component_mirror); 1740 if (component_klass != NULL) { 1741 JVMCIKlassHandle klass_handle(THREAD); 1742 klass_handle = component_klass; 1743 JVMCIObject result = JVMCIENV->get_jvmci_type(klass_handle, JVMCI_CHECK_NULL); 1744 return JVMCIENV->get_jobject(result); 1745 } 1746 BasicType type = java_lang_Class::primitive_type(component_mirror); 1747 JVMCIObject result = JVMCIENV->get_jvmci_primitive_type(type); 1748 return JVMCIENV->get_jobject(result); 1749 C2V_END 1750 1751 C2V_VMENTRY(void, ensureInitialized, (JNIEnv* env, jobject, jobject jvmci_type)) 1752 if (jvmci_type == NULL) { 1753 JVMCI_THROW(NullPointerException); 1754 } 1755 1756 Klass* klass = JVMCIENV->asKlass(jvmci_type); 1757 if (klass != NULL && klass->should_be_initialized()) { 1758 InstanceKlass* k = InstanceKlass::cast(klass); 1759 k->initialize(CHECK); 1760 } 1761 C2V_END 1762 1763 C2V_VMENTRY_0(jint, interpreterFrameSize, (JNIEnv* env, jobject, jobject bytecode_frame_handle)) 1764 if (bytecode_frame_handle == NULL) { 1765 JVMCI_THROW_0(NullPointerException); 1766 } 1767 1768 JVMCIObject top_bytecode_frame = JVMCIENV->wrap(bytecode_frame_handle); 1769 JVMCIObject bytecode_frame = top_bytecode_frame; 1770 int size = 0; 1771 int callee_parameters = 0; 1772 int callee_locals = 0; 1773 Method* method = JVMCIENV->asMethod(JVMCIENV->get_BytecodePosition_method(bytecode_frame)); 1774 int extra_args = method->max_stack() - JVMCIENV->get_BytecodeFrame_numStack(bytecode_frame); 1775 1776 while (bytecode_frame.is_non_null()) { 1777 int locks = JVMCIENV->get_BytecodeFrame_numLocks(bytecode_frame); 1778 int temps = JVMCIENV->get_BytecodeFrame_numStack(bytecode_frame); 1779 bool is_top_frame = (JVMCIENV->equals(bytecode_frame, top_bytecode_frame)); 1780 Method* method = JVMCIENV->asMethod(JVMCIENV->get_BytecodePosition_method(bytecode_frame)); 1781 1782 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(), 1783 temps + callee_parameters, 1784 extra_args, 1785 locks, 1786 callee_parameters, 1787 callee_locals, 1788 is_top_frame); 1789 size += frame_size; 1790 1791 callee_parameters = method->size_of_parameters(); 1792 callee_locals = method->max_locals(); 1793 extra_args = 0; 1794 bytecode_frame = JVMCIENV->get_BytecodePosition_caller(bytecode_frame); 1795 } 1796 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord; 1797 C2V_END 1798 1799 C2V_VMENTRY(void, compileToBytecode, (JNIEnv* env, jobject, jobject lambda_form_handle)) 1800 Handle lambda_form = JVMCIENV->asConstant(JVMCIENV->wrap(lambda_form_handle), JVMCI_CHECK); 1801 if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) { 1802 TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode", CHECK); 1803 JavaValue result(T_VOID); 1804 JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK); 1805 } else { 1806 JVMCI_THROW_MSG(IllegalArgumentException, 1807 err_msg("Unexpected type: %s", lambda_form->klass()->external_name())) 1808 } 1809 C2V_END 1810 1811 C2V_VMENTRY_0(jint, getIdentityHashCode, (JNIEnv* env, jobject, jobject object)) 1812 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0); 1813 return obj->identity_hash(); 1814 C2V_END 1815 1816 C2V_VMENTRY_0(jboolean, isInternedString, (JNIEnv* env, jobject, jobject object)) 1817 Handle str = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0); 1818 if (!java_lang_String::is_instance(str())) { 1819 return false; 1820 } 1821 int len; 1822 jchar* name = java_lang_String::as_unicode_string(str(), len, CHECK_0); 1823 return (StringTable::lookup(name, len) != NULL); 1824 C2V_END 1825 1826 1827 C2V_VMENTRY_NULL(jobject, unboxPrimitive, (JNIEnv* env, jobject, jobject object)) 1828 if (object == NULL) { 1829 JVMCI_THROW_0(NullPointerException); 1830 } 1831 Handle box = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL); 1832 BasicType type = java_lang_boxing_object::basic_type(box()); 1833 jvalue result; 1834 if (java_lang_boxing_object::get_value(box(), &result) == T_ILLEGAL) { 1835 return NULL; 1836 } 1837 JVMCIObject boxResult = JVMCIENV->create_box(type, &result, JVMCI_CHECK_NULL); 1838 return JVMCIENV->get_jobject(boxResult); 1839 C2V_END 1840 1841 C2V_VMENTRY_NULL(jobject, boxPrimitive, (JNIEnv* env, jobject, jobject object)) 1842 if (object == NULL) { 1843 JVMCI_THROW_0(NullPointerException); 1844 } 1845 JVMCIObject box = JVMCIENV->wrap(object); 1846 BasicType type = JVMCIENV->get_box_type(box); 1847 if (type == T_ILLEGAL) { 1848 return NULL; 1849 } 1850 jvalue value = JVMCIENV->get_boxed_value(type, box); 1851 JavaValue box_result(T_OBJECT); 1852 JavaCallArguments jargs; 1853 Klass* box_klass = NULL; 1854 Symbol* box_signature = NULL; 1855 #define BOX_CASE(bt, v, argtype, name) \ 1856 case bt: \ 1857 jargs.push_##argtype(value.v); \ 1858 box_klass = SystemDictionary::name##_klass(); \ 1859 box_signature = vmSymbols::name##_valueOf_signature(); \ 1860 break 1861 1862 switch (type) { 1863 BOX_CASE(T_BOOLEAN, z, int, Boolean); 1864 BOX_CASE(T_BYTE, b, int, Byte); 1865 BOX_CASE(T_CHAR, c, int, Character); 1866 BOX_CASE(T_SHORT, s, int, Short); 1867 BOX_CASE(T_INT, i, int, Integer); 1868 BOX_CASE(T_LONG, j, long, Long); 1869 BOX_CASE(T_FLOAT, f, float, Float); 1870 BOX_CASE(T_DOUBLE, d, double, Double); 1871 default: 1872 ShouldNotReachHere(); 1873 } 1874 #undef BOX_CASE 1875 1876 JavaCalls::call_static(&box_result, 1877 box_klass, 1878 vmSymbols::valueOf_name(), 1879 box_signature, &jargs, CHECK_NULL); 1880 oop hotspot_box = (oop) box_result.get_jobject(); 1881 JVMCIObject result = JVMCIENV->get_object_constant(hotspot_box, false); 1882 return JVMCIENV->get_jobject(result); 1883 C2V_END 1884 1885 C2V_VMENTRY_NULL(jobjectArray, getDeclaredConstructors, (JNIEnv* env, jobject, jobject holder)) 1886 if (holder == NULL) { 1887 JVMCI_THROW_0(NullPointerException); 1888 } 1889 Klass* klass = JVMCIENV->asKlass(holder); 1890 if (!klass->is_instance_klass()) { 1891 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL); 1892 return JVMCIENV->get_jobjectArray(methods); 1893 } 1894 1895 InstanceKlass* iklass = InstanceKlass::cast(klass); 1896 // Ensure class is linked 1897 iklass->link_class(CHECK_NULL); 1898 1899 GrowableArray<Method*> constructors_array; 1900 for (int i = 0; i < iklass->methods()->length(); i++) { 1901 Method* m = iklass->methods()->at(i); 1902 if (m->is_initializer() && !m->is_static()) { 1903 constructors_array.append(m); 1904 } 1905 } 1906 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(constructors_array.length(), JVMCI_CHECK_NULL); 1907 for (int i = 0; i < constructors_array.length(); i++) { 1908 JVMCIObject method = JVMCIENV->get_jvmci_method(constructors_array.at(i), JVMCI_CHECK_NULL); 1909 JVMCIENV->put_object_at(methods, i, method); 1910 } 1911 return JVMCIENV->get_jobjectArray(methods); 1912 C2V_END 1913 1914 C2V_VMENTRY_NULL(jobjectArray, getDeclaredMethods, (JNIEnv* env, jobject, jobject holder)) 1915 if (holder == NULL) { 1916 JVMCI_THROW_0(NullPointerException); 1917 } 1918 Klass* klass = JVMCIENV->asKlass(holder); 1919 if (!klass->is_instance_klass()) { 1920 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL); 1921 return JVMCIENV->get_jobjectArray(methods); 1922 } 1923 1924 InstanceKlass* iklass = InstanceKlass::cast(klass); 1925 // Ensure class is linked 1926 iklass->link_class(CHECK_NULL); 1927 1928 GrowableArray<Method*> methods_array; 1929 for (int i = 0; i < iklass->methods()->length(); i++) { 1930 Method* m = iklass->methods()->at(i); 1931 if (!m->is_initializer() && !m->is_overpass()) { 1932 methods_array.append(m); 1933 } 1934 } 1935 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(methods_array.length(), JVMCI_CHECK_NULL); 1936 for (int i = 0; i < methods_array.length(); i++) { 1937 JVMCIObject method = JVMCIENV->get_jvmci_method(methods_array.at(i), JVMCI_CHECK_NULL); 1938 JVMCIENV->put_object_at(methods, i, method); 1939 } 1940 return JVMCIENV->get_jobjectArray(methods); 1941 C2V_END 1942 1943 C2V_VMENTRY_NULL(jobject, readFieldValue, (JNIEnv* env, jobject, jobject object, jobject field, jboolean is_volatile)) 1944 if (object == NULL || field == NULL) { 1945 JVMCI_THROW_0(NullPointerException); 1946 } 1947 JVMCIObject field_object = JVMCIENV->wrap(field); 1948 JVMCIObject java_type = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_type(field_object); 1949 int modifiers = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_modifiers(field_object); 1950 Klass* holder = JVMCIENV->asKlass(JVMCIENV->get_HotSpotResolvedJavaFieldImpl_holder(field_object)); 1951 if (!holder->is_instance_klass()) { 1952 JVMCI_THROW_MSG_0(InternalError, err_msg("Holder %s must be instance klass", holder->external_name())); 1953 } 1954 InstanceKlass* ik = InstanceKlass::cast(holder); 1955 BasicType constant_type; 1956 if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(java_type)) { 1957 constant_type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(java_type), JVMCI_CHECK_NULL); 1958 } else { 1959 constant_type = T_OBJECT; 1960 } 1961 int displacement = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_offset(field_object); 1962 fieldDescriptor fd; 1963 if (!ik->find_local_field_from_offset(displacement, (modifiers & JVM_ACC_STATIC) != 0, &fd)) { 1964 JVMCI_THROW_MSG_0(InternalError, err_msg("Can't find field with displacement %d", displacement)); 1965 } 1966 JVMCIObject base = JVMCIENV->wrap(object); 1967 Handle obj; 1968 if (JVMCIENV->isa_HotSpotObjectConstantImpl(base)) { 1969 obj = JVMCIENV->asConstant(base, JVMCI_CHECK_NULL); 1970 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base)) { 1971 Klass* klass = JVMCIENV->asKlass(base); 1972 obj = Handle(THREAD, klass->java_mirror()); 1973 } else { 1974 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 1975 err_msg("Unexpected type: %s", JVMCIENV->klass_name(base))); 1976 } 1977 jlong value = 0; 1978 JVMCIObject kind; 1979 switch (constant_type) { 1980 case T_OBJECT: { 1981 oop object = is_volatile ? obj->obj_field_acquire(displacement) : obj->obj_field(displacement); 1982 JVMCIObject result = JVMCIENV->get_object_constant(object); 1983 if (result.is_null()) { 1984 return JVMCIENV->get_jobject(JVMCIENV->get_JavaConstant_NULL_POINTER()); 1985 } 1986 return JVMCIENV->get_jobject(result); 1987 } 1988 case T_FLOAT: { 1989 float f = is_volatile ? obj->float_field_acquire(displacement) : obj->float_field(displacement); 1990 JVMCIObject result = JVMCIENV->call_JavaConstant_forFloat(f, JVMCI_CHECK_NULL); 1991 return JVMCIENV->get_jobject(result); 1992 } 1993 case T_DOUBLE: { 1994 double f = is_volatile ? obj->double_field_acquire(displacement) : obj->double_field(displacement); 1995 JVMCIObject result = JVMCIENV->call_JavaConstant_forDouble(f, JVMCI_CHECK_NULL); 1996 return JVMCIENV->get_jobject(result); 1997 } 1998 case T_BOOLEAN: value = is_volatile ? obj->bool_field_acquire(displacement) : obj->bool_field(displacement); break; 1999 case T_BYTE: value = is_volatile ? obj->byte_field_acquire(displacement) : obj->byte_field(displacement); break; 2000 case T_SHORT: value = is_volatile ? obj->short_field_acquire(displacement) : obj->short_field(displacement); break; 2001 case T_CHAR: value = is_volatile ? obj->char_field_acquire(displacement) : obj->char_field(displacement); break; 2002 case T_INT: value = is_volatile ? obj->int_field_acquire(displacement) : obj->int_field(displacement); break; 2003 case T_LONG: value = is_volatile ? obj->long_field_acquire(displacement) : obj->long_field(displacement); break; 2004 default: 2005 ShouldNotReachHere(); 2006 } 2007 JVMCIObject result = JVMCIENV->call_PrimitiveConstant_forTypeChar(type2char(constant_type), value, JVMCI_CHECK_NULL); 2008 return JVMCIENV->get_jobject(result); 2009 C2V_END 2010 2011 C2V_VMENTRY_0(jboolean, isInstance, (JNIEnv* env, jobject, jobject holder, jobject object)) 2012 if (object == NULL || holder == NULL) { 2013 JVMCI_THROW_0(NullPointerException); 2014 } 2015 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0); 2016 Klass* klass = JVMCIENV->asKlass(JVMCIENV->wrap(holder)); 2017 return obj->is_a(klass); 2018 C2V_END 2019 2020 C2V_VMENTRY_0(jboolean, isAssignableFrom, (JNIEnv* env, jobject, jobject holder, jobject otherHolder)) 2021 if (holder == NULL || otherHolder == NULL) { 2022 JVMCI_THROW_0(NullPointerException); 2023 } 2024 Klass* klass = JVMCIENV->asKlass(JVMCIENV->wrap(holder)); 2025 Klass* otherKlass = JVMCIENV->asKlass(JVMCIENV->wrap(otherHolder)); 2026 return otherKlass->is_subtype_of(klass); 2027 C2V_END 2028 2029 C2V_VMENTRY_0(jboolean, isTrustedForIntrinsics, (JNIEnv* env, jobject, jobject holder)) 2030 if (holder == NULL) { 2031 JVMCI_THROW_0(NullPointerException); 2032 } 2033 InstanceKlass* ik = InstanceKlass::cast(JVMCIENV->asKlass(JVMCIENV->wrap(holder))); 2034 if (ik->class_loader_data()->is_boot_class_loader_data() || ik->class_loader_data()->is_platform_class_loader_data()) { 2035 return true; 2036 } 2037 return false; 2038 C2V_END 2039 2040 C2V_VMENTRY_NULL(jobject, asJavaType, (JNIEnv* env, jobject, jobject object)) 2041 if (object == NULL) { 2042 JVMCI_THROW_0(NullPointerException); 2043 } 2044 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL); 2045 if (java_lang_Class::is_instance(obj())) { 2046 if (java_lang_Class::is_primitive(obj())) { 2047 JVMCIObject type = JVMCIENV->get_jvmci_primitive_type(java_lang_Class::primitive_type(obj())); 2048 return JVMCIENV->get_jobject(type); 2049 } 2050 Klass* klass = java_lang_Class::as_Klass(obj()); 2051 JVMCIKlassHandle klass_handle(THREAD); 2052 klass_handle = klass; 2053 JVMCIObject type = JVMCIENV->get_jvmci_type(klass_handle, JVMCI_CHECK_NULL); 2054 return JVMCIENV->get_jobject(type); 2055 } 2056 return NULL; 2057 C2V_END 2058 2059 2060 C2V_VMENTRY_NULL(jobject, asString, (JNIEnv* env, jobject, jobject object)) 2061 if (object == NULL) { 2062 JVMCI_THROW_0(NullPointerException); 2063 } 2064 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL); 2065 const char* str = java_lang_String::as_utf8_string(obj()); 2066 JVMCIObject result = JVMCIENV->create_string(str, JVMCI_CHECK_NULL); 2067 return JVMCIENV->get_jobject(result); 2068 C2V_END 2069 2070 2071 C2V_VMENTRY_0(jboolean, equals, (JNIEnv* env, jobject, jobject x, jlong xHandle, jobject y, jlong yHandle)) 2072 if (x == NULL || y == NULL) { 2073 JVMCI_THROW_0(NullPointerException); 2074 } 2075 return JVMCIENV->resolve_handle(xHandle) == JVMCIENV->resolve_handle(yHandle); 2076 C2V_END 2077 2078 C2V_VMENTRY_NULL(jobject, getJavaMirror, (JNIEnv* env, jobject, jobject object)) 2079 if (object == NULL) { 2080 JVMCI_THROW_0(NullPointerException); 2081 } 2082 JVMCIObject base_object = JVMCIENV->wrap(object); 2083 Handle mirror; 2084 if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base_object)) { 2085 mirror = Handle(THREAD, JVMCIENV->asKlass(base_object)->java_mirror()); 2086 } else if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(base_object)) { 2087 mirror = JVMCIENV->asConstant(JVMCIENV->get_HotSpotResolvedPrimitiveType_mirror(base_object), JVMCI_CHECK_NULL); 2088 } else { 2089 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 2090 err_msg("Unexpected type: %s", JVMCIENV->klass_name(base_object))); 2091 } 2092 JVMCIObject result = JVMCIENV->get_object_constant(mirror()); 2093 return JVMCIENV->get_jobject(result); 2094 C2V_END 2095 2096 2097 C2V_VMENTRY_0(jint, getArrayLength, (JNIEnv* env, jobject, jobject x)) 2098 if (x == NULL) { 2099 JVMCI_THROW_0(NullPointerException); 2100 } 2101 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0); 2102 if (xobj->klass()->is_array_klass()) { 2103 return arrayOop(xobj())->length(); 2104 } 2105 return -1; 2106 C2V_END 2107 2108 2109 C2V_VMENTRY_NULL(jobject, readArrayElement, (JNIEnv* env, jobject, jobject x, int index)) 2110 if (x == NULL) { 2111 JVMCI_THROW_0(NullPointerException); 2112 } 2113 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_NULL); 2114 if (xobj->klass()->is_array_klass()) { 2115 arrayOop array = arrayOop(xobj()); 2116 BasicType element_type = ArrayKlass::cast(array->klass())->element_type(); 2117 if (index < 0 || index >= array->length()) { 2118 return NULL; 2119 } 2120 JVMCIObject result; 2121 2122 if (element_type == T_OBJECT) { 2123 result = JVMCIENV->get_object_constant(objArrayOop(xobj())->obj_at(index)); 2124 if (result.is_null()) { 2125 result = JVMCIENV->get_JavaConstant_NULL_POINTER(); 2126 } 2127 } else { 2128 jvalue value; 2129 switch (element_type) { 2130 case T_DOUBLE: value.d = typeArrayOop(xobj())->double_at(index); break; 2131 case T_FLOAT: value.f = typeArrayOop(xobj())->float_at(index); break; 2132 case T_LONG: value.j = typeArrayOop(xobj())->long_at(index); break; 2133 case T_INT: value.i = typeArrayOop(xobj())->int_at(index); break; 2134 case T_SHORT: value.s = typeArrayOop(xobj())->short_at(index); break; 2135 case T_CHAR: value.c = typeArrayOop(xobj())->char_at(index); break; 2136 case T_BYTE: value.b = typeArrayOop(xobj())->byte_at(index); break; 2137 case T_BOOLEAN: value.z = typeArrayOop(xobj())->byte_at(index) & 1; break; 2138 default: ShouldNotReachHere(); 2139 } 2140 result = JVMCIENV->create_box(element_type, &value, JVMCI_CHECK_NULL); 2141 } 2142 assert(!result.is_null(), "must have a value"); 2143 return JVMCIENV->get_jobject(result); 2144 } 2145 return NULL;; 2146 C2V_END 2147 2148 2149 C2V_VMENTRY_0(jint, arrayBaseOffset, (JNIEnv* env, jobject, jobject kind)) 2150 if (kind == NULL) { 2151 JVMCI_THROW_0(NullPointerException); 2152 } 2153 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->wrap(kind), JVMCI_CHECK_0); 2154 return arrayOopDesc::header_size(type) * HeapWordSize; 2155 C2V_END 2156 2157 C2V_VMENTRY_0(jint, arrayIndexScale, (JNIEnv* env, jobject, jobject kind)) 2158 if (kind == NULL) { 2159 JVMCI_THROW_0(NullPointerException); 2160 } 2161 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->wrap(kind), JVMCI_CHECK_0); 2162 return type2aelembytes(type); 2163 C2V_END 2164 2165 C2V_VMENTRY_0(jbyte, getByte, (JNIEnv* env, jobject, jobject x, long displacement)) 2166 if (x == NULL) { 2167 JVMCI_THROW_0(NullPointerException); 2168 } 2169 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0); 2170 return xobj->byte_field(displacement); 2171 } 2172 2173 C2V_VMENTRY_0(jshort, getShort, (JNIEnv* env, jobject, jobject x, long displacement)) 2174 if (x == NULL) { 2175 JVMCI_THROW_0(NullPointerException); 2176 } 2177 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0); 2178 return xobj->short_field(displacement); 2179 } 2180 2181 C2V_VMENTRY_0(jint, getInt, (JNIEnv* env, jobject, jobject x, long displacement)) 2182 if (x == NULL) { 2183 JVMCI_THROW_0(NullPointerException); 2184 } 2185 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0); 2186 return xobj->int_field(displacement); 2187 } 2188 2189 C2V_VMENTRY_0(jlong, getLong, (JNIEnv* env, jobject, jobject x, long displacement)) 2190 if (x == NULL) { 2191 JVMCI_THROW_0(NullPointerException); 2192 } 2193 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0); 2194 return xobj->long_field(displacement); 2195 } 2196 2197 C2V_VMENTRY_NULL(jobject, getObject, (JNIEnv* env, jobject, jobject x, long displacement)) 2198 if (x == NULL) { 2199 JVMCI_THROW_0(NullPointerException); 2200 } 2201 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0); 2202 oop res = xobj->obj_field(displacement); 2203 JVMCIObject result = JVMCIENV->get_object_constant(res); 2204 return JVMCIENV->get_jobject(result); 2205 } 2206 2207 C2V_VMENTRY(void, deleteGlobalHandle, (JNIEnv* env, jobject, jlong h)) 2208 jobject handle = (jobject)(address)h; 2209 if (handle != NULL) { 2210 JVMCIENV->runtime()->destroy_global(handle); 2211 } 2212 } 2213 2214 static void requireJVMCINativeLibrary(JVMCI_TRAPS) { 2215 if (!UseJVMCINativeLibrary) { 2216 JVMCI_THROW_MSG(UnsupportedOperationException, "JVMCI shared library is not enabled (requires -XX:+UseJVMCINativeLibrary)"); 2217 } 2218 } 2219 2220 C2V_VMENTRY_NULL(jlongArray, registerNativeMethods, (JNIEnv* env, jobject, jclass mirror)) 2221 requireJVMCINativeLibrary(JVMCI_CHECK_NULL); 2222 requireInHotSpot("registerNativeMethods", JVMCI_CHECK_NULL); 2223 char* sl_path; 2224 void* sl_handle; 2225 JVMCIRuntime* runtime = JVMCI::compiler_runtime(); 2226 { 2227 // Ensure the JVMCI shared library runtime is initialized. 2228 JVMCIEnv __peer_jvmci_env__(thread, false, __FILE__, __LINE__); 2229 JVMCIEnv* peerEnv = &__peer_jvmci_env__; 2230 HandleMark hm; 2231 JVMCIObject receiver = runtime->get_HotSpotJVMCIRuntime(peerEnv); 2232 if (peerEnv->has_pending_exception()) { 2233 peerEnv->describe_pending_exception(true); 2234 } 2235 sl_handle = JVMCI::get_shared_library(sl_path, false); 2236 if (sl_handle == NULL) { 2237 JVMCI_THROW_MSG_0(InternalError, err_msg("Error initializing JVMCI runtime %d", runtime->id())); 2238 } 2239 } 2240 2241 if (mirror == NULL) { 2242 JVMCI_THROW_0(NullPointerException); 2243 } 2244 Klass* klass = java_lang_Class::as_Klass(JNIHandles::resolve(mirror)); 2245 if (klass == NULL || !klass->is_instance_klass()) { 2246 JVMCI_THROW_MSG_0(IllegalArgumentException, "clazz is for primitive type"); 2247 } 2248 2249 InstanceKlass* iklass = InstanceKlass::cast(klass); 2250 for (int i = 0; i < iklass->methods()->length(); i++) { 2251 Method* method = iklass->methods()->at(i); 2252 if (method->is_native()) { 2253 2254 // Compute argument size 2255 int args_size = 1 // JNIEnv 2256 + (method->is_static() ? 1 : 0) // class for static methods 2257 + method->size_of_parameters(); // actual parameters 2258 2259 // 1) Try JNI short style 2260 stringStream st; 2261 char* pure_name = NativeLookup::pure_jni_name(method); 2262 os::print_jni_name_prefix_on(&st, args_size); 2263 st.print_raw(pure_name); 2264 os::print_jni_name_suffix_on(&st, args_size); 2265 char* jni_name = st.as_string(); 2266 2267 address entry = (address) os::dll_lookup(sl_handle, jni_name); 2268 if (entry == NULL) { 2269 // 2) Try JNI long style 2270 st.reset(); 2271 char* long_name = NativeLookup::long_jni_name(method); 2272 os::print_jni_name_prefix_on(&st, args_size); 2273 st.print_raw(pure_name); 2274 st.print_raw(long_name); 2275 os::print_jni_name_suffix_on(&st, args_size); 2276 char* jni_long_name = st.as_string(); 2277 entry = (address) os::dll_lookup(sl_handle, jni_long_name); 2278 if (entry == NULL) { 2279 JVMCI_THROW_MSG_0(UnsatisfiedLinkError, err_msg("%s [neither %s nor %s exist in %s]", 2280 method->name_and_sig_as_C_string(), 2281 jni_name, jni_long_name, sl_path)); 2282 } 2283 } 2284 2285 if (method->has_native_function() && entry != method->native_function()) { 2286 JVMCI_THROW_MSG_0(UnsatisfiedLinkError, err_msg("%s [cannot re-link from " PTR_FORMAT " to " PTR_FORMAT "]", 2287 method->name_and_sig_as_C_string(), p2i(method->native_function()), p2i(entry))); 2288 } 2289 method->set_native_function(entry, Method::native_bind_event_is_interesting); 2290 if (PrintJNIResolving) { 2291 tty->print_cr("[Dynamic-linking native method %s.%s ... JNI] @ " PTR_FORMAT, 2292 method->method_holder()->external_name(), 2293 method->name()->as_C_string(), p2i((void*) entry)); 2294 } 2295 } 2296 } 2297 2298 typeArrayOop info_oop = oopFactory::new_longArray(4, CHECK_0); 2299 jlongArray info = (jlongArray) JNIHandles::make_local(info_oop); 2300 runtime->init_JavaVM_info(info, JVMCI_CHECK_0); 2301 return info; 2302 } 2303 2304 C2V_VMENTRY_PREFIX(jboolean, isCurrentThreadAttached, (JNIEnv* env, jobject c2vm)) 2305 if (thread == NULL) { 2306 // Called from unattached JVMCI shared library thread 2307 return false; 2308 } 2309 JVMCITraceMark jtm("isCurrentThreadAttached"); 2310 if (thread->jni_environment() == env) { 2311 C2V_BLOCK(jboolean, isCurrentThreadAttached, (JNIEnv* env, jobject)) 2312 requireJVMCINativeLibrary(JVMCI_CHECK_0); 2313 JVMCIRuntime* runtime = JVMCI::compiler_runtime(); 2314 if (runtime == NULL || !runtime->has_shared_library_javavm()) { 2315 JVMCI_THROW_MSG_0(IllegalStateException, "Require JVMCI shared library JavaVM to be initialized in isCurrentThreadAttached"); 2316 } 2317 JNIEnv* peerEnv; 2318 return runtime->GetEnv(thread, (void**) &peerEnv, JNI_VERSION_1_2) == JNI_OK; 2319 } 2320 return true; 2321 C2V_END 2322 2323 C2V_VMENTRY_PREFIX(jlong, getCurrentJavaThread, (JNIEnv* env, jobject c2vm)) 2324 if (thread == NULL) { 2325 // Called from unattached JVMCI shared library thread 2326 return 0L; 2327 } 2328 JVMCITraceMark jtm("getCurrentJavaThread"); 2329 return (jlong) p2i(thread); 2330 C2V_END 2331 2332 C2V_VMENTRY_PREFIX(jboolean, attachCurrentThread, (JNIEnv* env, jobject c2vm, jboolean as_daemon)) 2333 if (thread == NULL) { 2334 // Called from unattached JVMCI shared library thread 2335 extern struct JavaVM_ main_vm; 2336 JNIEnv* hotspotEnv; 2337 jint res = as_daemon ? main_vm.AttachCurrentThreadAsDaemon((void**) &hotspotEnv, NULL) : 2338 main_vm.AttachCurrentThread((void**) &hotspotEnv, NULL); 2339 if (res != JNI_OK) { 2340 JNI_THROW_("attachCurrentThread", InternalError, err_msg("Trying to attach thread returned %d", res), false); 2341 } 2342 return true; 2343 } 2344 JVMCITraceMark jtm("attachCurrentThread"); 2345 if (thread->jni_environment() == env) { 2346 // Called from HotSpot 2347 C2V_BLOCK(jboolean, attachCurrentThread, (JNIEnv* env, jobject, jboolean)) 2348 requireJVMCINativeLibrary(JVMCI_CHECK_0); 2349 JVMCIRuntime* runtime = JVMCI::compiler_runtime(); 2350 if (runtime == NULL || !runtime->has_shared_library_javavm()) { 2351 JVMCI_THROW_MSG_0(IllegalStateException, "Require JVMCI shared library JavaVM to be initialized in attachCurrentThread"); 2352 } 2353 2354 JavaVMAttachArgs attach_args; 2355 attach_args.version = JNI_VERSION_1_2; 2356 attach_args.name = thread->name(); 2357 attach_args.group = NULL; 2358 JNIEnv* peerJNIEnv; 2359 if (runtime->GetEnv(thread, (void**) &peerJNIEnv, JNI_VERSION_1_2) == JNI_OK) { 2360 return false; 2361 } 2362 jint res = as_daemon ? runtime->AttachCurrentThreadAsDaemon(thread, (void**) &peerJNIEnv, &attach_args) : 2363 runtime->AttachCurrentThread(thread, (void**) &peerJNIEnv, &attach_args); 2364 2365 if (res == JNI_OK) { 2366 guarantee(peerJNIEnv != NULL, "must be"); 2367 TRACE_jvmci_1("attached to JavaVM for JVMCI runtime %d", runtime->id()); 2368 return true; 2369 } 2370 JVMCI_THROW_MSG_0(InternalError, err_msg("Error %d while attaching %s", res, attach_args.name)); 2371 } 2372 // Called from JVMCI shared library 2373 return false; 2374 C2V_END 2375 2376 C2V_VMENTRY_PREFIX(void, detachCurrentThread, (JNIEnv* env, jobject c2vm)) 2377 if (thread == NULL) { 2378 // Called from unattached JVMCI shared library thread 2379 JNI_THROW("detachCurrentThread", IllegalStateException, "Cannot detach non-attached thread"); 2380 } 2381 JVMCITraceMark jtm("detachCurrentThread"); 2382 if (thread->jni_environment() == env) { 2383 // Called from HotSpot 2384 C2V_BLOCK(void, detachCurrentThread, (JNIEnv* env, jobject)) 2385 requireJVMCINativeLibrary(JVMCI_CHECK); 2386 requireInHotSpot("detachCurrentThread", JVMCI_CHECK); 2387 JVMCIRuntime* runtime = JVMCI::compiler_runtime(); 2388 if (runtime == NULL || !runtime->has_shared_library_javavm()) { 2389 JVMCI_THROW_MSG(IllegalStateException, "Require JVMCI shared library JavaVM to be initialized in detachCurrentThread"); 2390 } 2391 JNIEnv* peerJNIEnv; 2392 if (runtime->GetEnv(thread, (void**) &peerJNIEnv, JNI_VERSION_1_2) != JNI_OK) { 2393 JVMCI_THROW_MSG(IllegalStateException, err_msg("Cannot detach non-attached thread: %s", thread->name())); 2394 } 2395 jint res = runtime->DetachCurrentThread(thread); 2396 if (res != JNI_OK) { 2397 JVMCI_THROW_MSG(InternalError, err_msg("Error %d while attaching %s", res, thread->name())); 2398 } 2399 } else { 2400 // Called from attached JVMCI shared library thread 2401 extern struct JavaVM_ main_vm; 2402 jint res = main_vm.DetachCurrentThread(); 2403 if (res != JNI_OK) { 2404 JNI_THROW("detachCurrentThread", InternalError, "Cannot detach non-attached thread"); 2405 } 2406 } 2407 C2V_END 2408 2409 C2V_VMENTRY_0(jlong, translate, (JNIEnv* env, jobject, jobject obj_handle)) 2410 requireJVMCINativeLibrary(JVMCI_CHECK_0); 2411 if (obj_handle == NULL) { 2412 return 0L; 2413 } 2414 JVMCIEnv __peer_jvmci_env__(thread, !JVMCIENV->is_hotspot(), __FILE__, __LINE__); 2415 JVMCIEnv* peerEnv = &__peer_jvmci_env__; 2416 JVMCIEnv* thisEnv = JVMCIENV; 2417 2418 JVMCIObject obj = thisEnv->wrap(obj_handle); 2419 JVMCIObject result; 2420 if (thisEnv->isa_HotSpotResolvedJavaMethodImpl(obj)) { 2421 Method* method = thisEnv->asMethod(obj); 2422 result = peerEnv->get_jvmci_method(method, JVMCI_CHECK_0); 2423 } else if (thisEnv->isa_HotSpotResolvedObjectTypeImpl(obj)) { 2424 Klass* klass = thisEnv->asKlass(obj); 2425 JVMCIKlassHandle klass_handle(THREAD); 2426 klass_handle = klass; 2427 result = peerEnv->get_jvmci_type(klass_handle, JVMCI_CHECK_0); 2428 } else if (thisEnv->isa_HotSpotResolvedPrimitiveType(obj)) { 2429 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(obj), JVMCI_CHECK_0); 2430 result = peerEnv->get_jvmci_primitive_type(type); 2431 } else if (thisEnv->isa_IndirectHotSpotObjectConstantImpl(obj) || 2432 thisEnv->isa_DirectHotSpotObjectConstantImpl(obj)) { 2433 Handle constant = thisEnv->asConstant(obj, JVMCI_CHECK_0); 2434 result = peerEnv->get_object_constant(constant()); 2435 } else if (thisEnv->isa_HotSpotNmethod(obj)) { 2436 nmethodLocker locker; 2437 nmethod* nm = JVMCIENV->get_nmethod(obj, locker); 2438 if (nm != NULL) { 2439 JVMCINMethodData* data = nm->jvmci_nmethod_data(); 2440 if (data != NULL) { 2441 if (peerEnv->is_hotspot()) { 2442 // Only the mirror in the HotSpot heap is accessible 2443 // through JVMCINMethodData 2444 oop nmethod_mirror = data->get_nmethod_mirror(nm, /* phantom_ref */ true); 2445 if (nmethod_mirror != NULL) { 2446 result = HotSpotJVMCI::wrap(nmethod_mirror); 2447 } 2448 } 2449 } 2450 } 2451 if (result.is_null()) { 2452 JVMCIObject methodObject = thisEnv->get_HotSpotNmethod_method(obj); 2453 methodHandle mh = thisEnv->asMethod(methodObject); 2454 jboolean isDefault = thisEnv->get_HotSpotNmethod_isDefault(obj); 2455 jlong compileIdSnapshot = thisEnv->get_HotSpotNmethod_compileIdSnapshot(obj); 2456 JVMCIObject name_string = thisEnv->get_InstalledCode_name(obj); 2457 const char* cstring = name_string.is_null() ? NULL : thisEnv->as_utf8_string(name_string); 2458 // Create a new HotSpotNmethod instance in the peer runtime 2459 result = peerEnv->new_HotSpotNmethod(mh(), cstring, isDefault, compileIdSnapshot, JVMCI_CHECK_0); 2460 if (nm == NULL) { 2461 // nmethod must have been unloaded 2462 } else { 2463 // Link the new HotSpotNmethod to the nmethod 2464 peerEnv->initialize_installed_code(result, nm, JVMCI_CHECK_0); 2465 // Only HotSpotNmethod instances in the HotSpot heap are tracked directly by the runtime. 2466 if (peerEnv->is_hotspot()) { 2467 JVMCINMethodData* data = nm->jvmci_nmethod_data(); 2468 if (data == NULL) { 2469 JVMCI_THROW_MSG_0(IllegalArgumentException, "Cannot set HotSpotNmethod mirror for default nmethod"); 2470 } 2471 if (data->get_nmethod_mirror(nm, /* phantom_ref */ false) != NULL) { 2472 JVMCI_THROW_MSG_0(IllegalArgumentException, "Cannot overwrite existing HotSpotNmethod mirror for nmethod"); 2473 } 2474 oop nmethod_mirror = HotSpotJVMCI::resolve(result); 2475 data->set_nmethod_mirror(nm, nmethod_mirror); 2476 } 2477 } 2478 } 2479 } else { 2480 JVMCI_THROW_MSG_0(IllegalArgumentException, 2481 err_msg("Cannot translate object of type: %s", thisEnv->klass_name(obj))); 2482 } 2483 return (jlong) peerEnv->make_global(result).as_jobject(); 2484 } 2485 2486 C2V_VMENTRY_NULL(jobject, unhand, (JNIEnv* env, jobject, jlong obj_handle)) 2487 requireJVMCINativeLibrary(JVMCI_CHECK_NULL); 2488 if (obj_handle == 0L) { 2489 return NULL; 2490 } 2491 jobject global_handle = (jobject) obj_handle; 2492 JVMCIObject global_handle_obj = JVMCIENV->wrap((jobject) obj_handle); 2493 jobject result = JVMCIENV->make_local(global_handle_obj).as_jobject(); 2494 2495 JVMCIENV->destroy_global(global_handle_obj); 2496 return result; 2497 } 2498 2499 C2V_VMENTRY(void, updateHotSpotNmethod, (JNIEnv* env, jobject, jobject code_handle)) 2500 JVMCIObject code = JVMCIENV->wrap(code_handle); 2501 // Execute this operation for the side effect of updating the InstalledCode state 2502 nmethodLocker locker; 2503 JVMCIENV->get_nmethod(code, locker); 2504 } 2505 2506 C2V_VMENTRY_NULL(jbyteArray, getCode, (JNIEnv* env, jobject, jobject code_handle)) 2507 JVMCIObject code = JVMCIENV->wrap(code_handle); 2508 nmethodLocker locker; 2509 CodeBlob* cb = JVMCIENV->get_code_blob(code, locker); 2510 if (cb == NULL) { 2511 return NULL; 2512 } 2513 int code_size = cb->code_size(); 2514 JVMCIPrimitiveArray result = JVMCIENV->new_byteArray(code_size, JVMCI_CHECK_NULL); 2515 JVMCIENV->copy_bytes_from((jbyte*) cb->code_begin(), result, 0, code_size); 2516 return JVMCIENV->get_jbyteArray(result); 2517 } 2518 2519 C2V_VMENTRY_NULL(jobject, asReflectionExecutable, (JNIEnv* env, jobject, jobject jvmci_method)) 2520 requireInHotSpot("asReflectionExecutable", JVMCI_CHECK_NULL); 2521 methodHandle m = JVMCIENV->asMethod(jvmci_method); 2522 oop executable; 2523 if (m->is_initializer()) { 2524 if (m->is_static_initializer()) { 2525 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 2526 "Cannot create java.lang.reflect.Method for class initializer"); 2527 } 2528 executable = Reflection::new_constructor(m, CHECK_NULL); 2529 } else { 2530 executable = Reflection::new_method(m, false, CHECK_NULL); 2531 } 2532 return JNIHandles::make_local(THREAD, executable); 2533 } 2534 2535 C2V_VMENTRY_NULL(jobject, asReflectionField, (JNIEnv* env, jobject, jobject jvmci_type, jint index)) 2536 requireInHotSpot("asReflectionField", JVMCI_CHECK_NULL); 2537 Klass* klass = JVMCIENV->asKlass(jvmci_type); 2538 if (!klass->is_instance_klass()) { 2539 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 2540 err_msg("Expected non-primitive type, got %s", klass->external_name())); 2541 } 2542 InstanceKlass* iklass = InstanceKlass::cast(klass); 2543 Array<u2>* fields = iklass->fields(); 2544 if (index < 0 ||index > fields->length()) { 2545 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 2546 err_msg("Field index %d out of bounds for %s", index, klass->external_name())); 2547 } 2548 fieldDescriptor fd(iklass, index); 2549 oop reflected = Reflection::new_field(&fd, CHECK_NULL); 2550 return JNIHandles::make_local(env, reflected); 2551 } 2552 2553 C2V_VMENTRY_NULL(jobjectArray, getFailedSpeculations, (JNIEnv* env, jobject, jlong failed_speculations_address, jobjectArray current)) 2554 FailedSpeculation* head = *((FailedSpeculation**)(address) failed_speculations_address); 2555 int result_length = 0; 2556 for (FailedSpeculation* fs = head; fs != NULL; fs = fs->next()) { 2557 result_length++; 2558 } 2559 int current_length = 0; 2560 JVMCIObjectArray current_array = NULL; 2561 if (current != NULL) { 2562 current_array = JVMCIENV->wrap(current); 2563 current_length = JVMCIENV->get_length(current_array); 2564 if (current_length == result_length) { 2565 // No new failures 2566 return current; 2567 } 2568 } 2569 JVMCIObjectArray result = JVMCIENV->new_byte_array_array(result_length, JVMCI_CHECK_NULL); 2570 int result_index = 0; 2571 for (FailedSpeculation* fs = head; result_index < result_length; fs = fs->next()) { 2572 assert(fs != NULL, "npe"); 2573 JVMCIPrimitiveArray entry; 2574 if (result_index < current_length) { 2575 entry = (JVMCIPrimitiveArray) JVMCIENV->get_object_at(current_array, result_index); 2576 } else { 2577 entry = JVMCIENV->new_byteArray(fs->data_len(), JVMCI_CHECK_NULL); 2578 JVMCIENV->copy_bytes_from((jbyte*) fs->data(), entry, 0, fs->data_len()); 2579 } 2580 JVMCIENV->put_object_at(result, result_index++, entry); 2581 } 2582 return JVMCIENV->get_jobjectArray(result); 2583 } 2584 2585 C2V_VMENTRY_0(jlong, getFailedSpeculationsAddress, (JNIEnv* env, jobject, jobject jvmci_method)) 2586 methodHandle method = JVMCIENV->asMethod(jvmci_method); 2587 MethodData* method_data = method->method_data(); 2588 if (method_data == NULL) { 2589 ClassLoaderData* loader_data = method->method_holder()->class_loader_data(); 2590 method_data = MethodData::allocate(loader_data, method, CHECK_0); 2591 method->set_method_data(method_data); 2592 } 2593 return (jlong) method_data->get_failed_speculations_address(); 2594 } 2595 2596 C2V_VMENTRY(void, releaseFailedSpeculations, (JNIEnv* env, jobject, jlong failed_speculations_address)) 2597 FailedSpeculation::free_failed_speculations((FailedSpeculation**)(address) failed_speculations_address); 2598 } 2599 2600 C2V_VMENTRY_0(jboolean, addFailedSpeculation, (JNIEnv* env, jobject, jlong failed_speculations_address, jbyteArray speculation_obj)) 2601 JVMCIPrimitiveArray speculation_handle = JVMCIENV->wrap(speculation_obj); 2602 int speculation_len = JVMCIENV->get_length(speculation_handle); 2603 char* speculation = NEW_RESOURCE_ARRAY(char, speculation_len); 2604 JVMCIENV->copy_bytes_to(speculation_handle, (jbyte*) speculation, 0, speculation_len); 2605 return FailedSpeculation::add_failed_speculation(NULL, (FailedSpeculation**)(address) failed_speculations_address, (address) speculation, speculation_len); 2606 } 2607 2608 C2V_VMENTRY(void, callSystemExit, (JNIEnv* env, jobject, jint status)) 2609 JavaValue result(T_VOID); 2610 JavaCallArguments jargs(1); 2611 jargs.push_int(status); 2612 JavaCalls::call_static(&result, 2613 SystemDictionary::System_klass(), 2614 vmSymbols::exit_method_name(), 2615 vmSymbols::int_void_signature(), 2616 &jargs, 2617 CHECK); 2618 } 2619 2620 #define CC (char*) /*cast a literal from (const char*)*/ 2621 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f)) 2622 2623 #define STRING "Ljava/lang/String;" 2624 #define OBJECT "Ljava/lang/Object;" 2625 #define CLASS "Ljava/lang/Class;" 2626 #define OBJECTCONSTANT "Ljdk/vm/ci/hotspot/HotSpotObjectConstantImpl;" 2627 #define HANDLECONSTANT "Ljdk/vm/ci/hotspot/IndirectHotSpotObjectConstantImpl;" 2628 #define EXECUTABLE "Ljava/lang/reflect/Executable;" 2629 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;" 2630 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;" 2631 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;" 2632 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;" 2633 #define JAVACONSTANT "Ljdk/vm/ci/meta/JavaConstant;" 2634 #define INSPECTED_FRAME_VISITOR "Ljdk/vm/ci/code/stack/InspectedFrameVisitor;" 2635 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;" 2636 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;" 2637 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;" 2638 #define HS_RESOLVED_TYPE "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaType;" 2639 #define HS_RESOLVED_FIELD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaField;" 2640 #define HS_INSTALLED_CODE "Ljdk/vm/ci/hotspot/HotSpotInstalledCode;" 2641 #define HS_NMETHOD "Ljdk/vm/ci/hotspot/HotSpotNmethod;" 2642 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;" 2643 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;" 2644 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;" 2645 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;" 2646 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;" 2647 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;" 2648 #define METASPACE_OBJECT "Ljdk/vm/ci/hotspot/MetaspaceObject;" 2649 #define REFLECTION_EXECUTABLE "Ljava/lang/reflect/Executable;" 2650 #define REFLECTION_FIELD "Ljava/lang/reflect/Field;" 2651 #define METASPACE_METHOD_DATA "J" 2652 2653 JNINativeMethod CompilerToVM::methods[] = { 2654 {CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)}, 2655 {CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)}, 2656 {CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)}, 2657 {CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)}, 2658 {CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)}, 2659 {CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)}, 2660 {CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)}, 2661 {CC "setNotInlinableOrCompilable", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(setNotInlinableOrCompilable)}, 2662 {CC "isCompilable", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(isCompilable)}, 2663 {CC "hasNeverInlineDirective", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(hasNeverInlineDirective)}, 2664 {CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)}, 2665 {CC "lookupType", CC "(" STRING HS_RESOLVED_KLASS "Z)" HS_RESOLVED_TYPE, FN_PTR(lookupType)}, 2666 {CC "getArrayType", CC "(" HS_RESOLVED_TYPE ")" HS_RESOLVED_KLASS, FN_PTR(getArrayType)}, 2667 {CC "lookupClass", CC "(" CLASS ")" HS_RESOLVED_TYPE, FN_PTR(lookupClass)}, 2668 {CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)}, 2669 {CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)}, 2670 {CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)}, 2671 {CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)}, 2672 {CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)}, 2673 {CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECTCONSTANT, FN_PTR(lookupAppendixInPool)}, 2674 {CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)}, 2675 {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)}, 2676 {CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECTCONSTANT, FN_PTR(resolvePossiblyCachedConstantInPool)}, 2677 {CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)}, 2678 {CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[I)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)}, 2679 {CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)}, 2680 {CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)}, 2681 {CC "isResolvedInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(isResolvedInvokeHandleInPool)}, 2682 {CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)}, 2683 {CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)}, 2684 {CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)}, 2685 {CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)}, 2686 {CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)}, 2687 {CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)}, 2688 {CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)}, 2689 {CC "getResolvedJavaMethod", CC "(" OBJECTCONSTANT "J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)}, 2690 {CC "getConstantPool", CC "(" METASPACE_OBJECT ")" HS_CONSTANT_POOL, FN_PTR(getConstantPool)}, 2691 {CC "getResolvedJavaType0", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType0)}, 2692 {CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)}, 2693 {CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE "J[B)I", FN_PTR(installCode)}, 2694 {CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)}, 2695 {CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)}, 2696 {CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)}, 2697 {CC "executeHotSpotNmethod", CC "([" OBJECT HS_NMETHOD ")" OBJECT, FN_PTR(executeHotSpotNmethod)}, 2698 {CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)}, 2699 {CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)}, 2700 {CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)}, 2701 {CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)}, 2702 {CC "invalidateHotSpotNmethod", CC "(" HS_NMETHOD ")V", FN_PTR(invalidateHotSpotNmethod)}, 2703 {CC "readUncompressedOop", CC "(J)" OBJECTCONSTANT, FN_PTR(readUncompressedOop)}, 2704 {CC "collectCounters", CC "()[J", FN_PTR(collectCounters)}, 2705 {CC "getCountersSize", CC "()I", FN_PTR(getCountersSize)}, 2706 {CC "setCountersSize", CC "(I)Z", FN_PTR(setCountersSize)}, 2707 {CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)}, 2708 {CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)}, 2709 {CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)}, 2710 {CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)}, 2711 {CC "iterateFrames", CC "([" RESOLVED_METHOD "[" RESOLVED_METHOD "I" INSPECTED_FRAME_VISITOR ")" OBJECT, FN_PTR(iterateFrames)}, 2712 {CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)}, 2713 {CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)}, 2714 {CC "writeDebugOutput", CC "([BIIZZ)I", FN_PTR(writeDebugOutput)}, 2715 {CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)}, 2716 {CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)}, 2717 {CC "getFingerprint", CC "(J)J", FN_PTR(getFingerprint)}, 2718 {CC "getHostClass", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getHostClass)}, 2719 {CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)}, 2720 {CC "compileToBytecode", CC "(" OBJECTCONSTANT ")V", FN_PTR(compileToBytecode)}, 2721 {CC "getFlagValue", CC "(" STRING ")" OBJECT, FN_PTR(getFlagValue)}, 2722 {CC "getObjectAtAddress", CC "(J)" OBJECT, FN_PTR(getObjectAtAddress)}, 2723 {CC "getInterfaces", CC "(" HS_RESOLVED_KLASS ")[" HS_RESOLVED_KLASS, FN_PTR(getInterfaces)}, 2724 {CC "getComponentType", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_TYPE, FN_PTR(getComponentType)}, 2725 {CC "ensureInitialized", CC "(" HS_RESOLVED_KLASS ")V", FN_PTR(ensureInitialized)}, 2726 {CC "getIdentityHashCode", CC "(" OBJECTCONSTANT ")I", FN_PTR(getIdentityHashCode)}, 2727 {CC "isInternedString", CC "(" OBJECTCONSTANT ")Z", FN_PTR(isInternedString)}, 2728 {CC "unboxPrimitive", CC "(" OBJECTCONSTANT ")" OBJECT, FN_PTR(unboxPrimitive)}, 2729 {CC "boxPrimitive", CC "(" OBJECT ")" OBJECTCONSTANT, FN_PTR(boxPrimitive)}, 2730 {CC "getDeclaredConstructors", CC "(" HS_RESOLVED_KLASS ")[" RESOLVED_METHOD, FN_PTR(getDeclaredConstructors)}, 2731 {CC "getDeclaredMethods", CC "(" HS_RESOLVED_KLASS ")[" RESOLVED_METHOD, FN_PTR(getDeclaredMethods)}, 2732 {CC "readFieldValue", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_FIELD "Z)" JAVACONSTANT, FN_PTR(readFieldValue)}, 2733 {CC "readFieldValue", CC "(" OBJECTCONSTANT HS_RESOLVED_FIELD "Z)" JAVACONSTANT, FN_PTR(readFieldValue)}, 2734 {CC "isInstance", CC "(" HS_RESOLVED_KLASS OBJECTCONSTANT ")Z", FN_PTR(isInstance)}, 2735 {CC "isAssignableFrom", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_KLASS ")Z", FN_PTR(isAssignableFrom)}, 2736 {CC "isTrustedForIntrinsics", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(isTrustedForIntrinsics)}, 2737 {CC "asJavaType", CC "(" OBJECTCONSTANT ")" HS_RESOLVED_TYPE, FN_PTR(asJavaType)}, 2738 {CC "asString", CC "(" OBJECTCONSTANT ")" STRING, FN_PTR(asString)}, 2739 {CC "equals", CC "(" OBJECTCONSTANT "J" OBJECTCONSTANT "J)Z", FN_PTR(equals)}, 2740 {CC "getJavaMirror", CC "(" HS_RESOLVED_TYPE ")" OBJECTCONSTANT, FN_PTR(getJavaMirror)}, 2741 {CC "getArrayLength", CC "(" OBJECTCONSTANT ")I", FN_PTR(getArrayLength)}, 2742 {CC "readArrayElement", CC "(" OBJECTCONSTANT "I)Ljava/lang/Object;", FN_PTR(readArrayElement)}, 2743 {CC "arrayBaseOffset", CC "(Ljdk/vm/ci/meta/JavaKind;)I", FN_PTR(arrayBaseOffset)}, 2744 {CC "arrayIndexScale", CC "(Ljdk/vm/ci/meta/JavaKind;)I", FN_PTR(arrayIndexScale)}, 2745 {CC "getByte", CC "(" OBJECTCONSTANT "J)B", FN_PTR(getByte)}, 2746 {CC "getShort", CC "(" OBJECTCONSTANT "J)S", FN_PTR(getShort)}, 2747 {CC "getInt", CC "(" OBJECTCONSTANT "J)I", FN_PTR(getInt)}, 2748 {CC "getLong", CC "(" OBJECTCONSTANT "J)J", FN_PTR(getLong)}, 2749 {CC "getObject", CC "(" OBJECTCONSTANT "J)" OBJECTCONSTANT, FN_PTR(getObject)}, 2750 {CC "deleteGlobalHandle", CC "(J)V", FN_PTR(deleteGlobalHandle)}, 2751 {CC "registerNativeMethods", CC "(" CLASS ")[J", FN_PTR(registerNativeMethods)}, 2752 {CC "isCurrentThreadAttached", CC "()Z", FN_PTR(isCurrentThreadAttached)}, 2753 {CC "getCurrentJavaThread", CC "()J", FN_PTR(getCurrentJavaThread)}, 2754 {CC "attachCurrentThread", CC "(Z)Z", FN_PTR(attachCurrentThread)}, 2755 {CC "detachCurrentThread", CC "()V", FN_PTR(detachCurrentThread)}, 2756 {CC "translate", CC "(" OBJECT ")J", FN_PTR(translate)}, 2757 {CC "unhand", CC "(J)" OBJECT, FN_PTR(unhand)}, 2758 {CC "updateHotSpotNmethod", CC "(" HS_NMETHOD ")V", FN_PTR(updateHotSpotNmethod)}, 2759 {CC "getCode", CC "(" HS_INSTALLED_CODE ")[B", FN_PTR(getCode)}, 2760 {CC "asReflectionExecutable", CC "(" HS_RESOLVED_METHOD ")" REFLECTION_EXECUTABLE, FN_PTR(asReflectionExecutable)}, 2761 {CC "asReflectionField", CC "(" HS_RESOLVED_KLASS "I)" REFLECTION_FIELD, FN_PTR(asReflectionField)}, 2762 {CC "getFailedSpeculations", CC "(J[[B)[[B", FN_PTR(getFailedSpeculations)}, 2763 {CC "getFailedSpeculationsAddress", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getFailedSpeculationsAddress)}, 2764 {CC "releaseFailedSpeculations", CC "(J)V", FN_PTR(releaseFailedSpeculations)}, 2765 {CC "addFailedSpeculation", CC "(J[B)Z", FN_PTR(addFailedSpeculation)}, 2766 {CC "callSystemExit", CC "(I)V", FN_PTR(callSystemExit)}, 2767 }; 2768 2769 int CompilerToVM::methods_count() { 2770 return sizeof(methods) / sizeof(JNINativeMethod); 2771 }