1 /* 2 * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 #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 "memory/universe.hpp" 39 #include "oops/constantPool.inline.hpp" 40 #include "oops/method.inline.hpp" 41 #include "oops/typeArrayOop.inline.hpp" 42 #include "prims/nativeLookup.hpp" 43 #include "runtime/deoptimization.hpp" 44 #include "runtime/fieldDescriptor.inline.hpp" 45 #include "runtime/frame.inline.hpp" 46 #include "runtime/interfaceSupport.inline.hpp" 47 #include "runtime/jniHandles.inline.hpp" 48 #include "runtime/timerTrace.hpp" 49 #include "runtime/vframe_hp.hpp" 50 51 JVMCIKlassHandle::JVMCIKlassHandle(Thread* thread, Klass* klass) { 52 _thread = thread; 53 _klass = klass; 54 if (klass != NULL) { 55 _holder = Handle(_thread, klass->klass_holder()); 56 } 57 } 58 59 JVMCIKlassHandle& JVMCIKlassHandle::operator=(Klass* klass) { 60 _klass = klass; 61 if (klass != NULL) { 62 _holder = Handle(_thread, klass->klass_holder()); 63 } 64 return *this; 65 } 66 67 static void requireInHotSpot(const char* caller, JVMCI_TRAPS) { 68 if (!JVMCIENV->is_hotspot()) { 69 JVMCI_THROW_MSG(IllegalStateException, err_msg("Cannot call %s from JVMCI shared library", caller)); 70 } 71 } 72 73 void JNIHandleMark::push_jni_handle_block(JavaThread* thread) { 74 if (thread != NULL) { 75 // Allocate a new block for JNI handles. 76 // Inlined code from jni_PushLocalFrame() 77 JNIHandleBlock* java_handles = thread->active_handles(); 78 JNIHandleBlock* compile_handles = JNIHandleBlock::allocate_block(thread); 79 assert(compile_handles != NULL && java_handles != NULL, "should not be NULL"); 80 compile_handles->set_pop_frame_link(java_handles); 81 thread->set_active_handles(compile_handles); 82 } 83 } 84 85 void JNIHandleMark::pop_jni_handle_block(JavaThread* thread) { 86 if (thread != NULL) { 87 // Release our JNI handle block 88 JNIHandleBlock* compile_handles = thread->active_handles(); 89 JNIHandleBlock* java_handles = compile_handles->pop_frame_link(); 90 thread->set_active_handles(java_handles); 91 compile_handles->set_pop_frame_link(NULL); 92 JNIHandleBlock::release_block(compile_handles, thread); // may block 93 } 94 } 95 96 class JVMCITraceMark : public StackObj { 97 const char* _msg; 98 public: 99 JVMCITraceMark(const char* msg) { 100 _msg = msg; 101 if (JVMCITraceLevel >= 1) { 102 tty->print_cr(PTR_FORMAT " JVMCITrace-1: Enter %s", p2i(JavaThread::current()), _msg); 103 } 104 } 105 ~JVMCITraceMark() { 106 if (JVMCITraceLevel >= 1) { 107 tty->print_cr(PTR_FORMAT " JVMCITrace-1: Exit %s", p2i(JavaThread::current()), _msg); 108 } 109 } 110 }; 111 112 113 Handle JavaArgumentUnboxer::next_arg(BasicType expectedType) { 114 assert(_index < _args->length(), "out of bounds"); 115 oop arg=((objArrayOop) (_args))->obj_at(_index++); 116 assert(expectedType == T_OBJECT || java_lang_boxing_object::is_instance(arg, expectedType), "arg type mismatch"); 117 return Handle(Thread::current(), arg); 118 } 119 120 // Bring the JVMCI compiler thread into the VM state. 121 #define JVMCI_VM_ENTRY_MARK \ 122 ThreadInVMfromNative __tiv(thread); \ 123 ResetNoHandleMark rnhm; \ 124 HandleMarkCleaner __hm(thread); \ 125 Thread* THREAD = thread; \ 126 debug_only(VMNativeEntryWrapper __vew;) 127 128 // Native method block that transitions current thread to '_thread_in_vm'. 129 #define C2V_BLOCK(result_type, name, signature) \ 130 TRACE_CALL(result_type, jvmci_ ## name signature) \ 131 JVMCI_VM_ENTRY_MARK; \ 132 ResourceMark rm; \ 133 JNI_JVMCIENV(thread, env); 134 135 static Thread* get_current_thread() { 136 return Thread::current_or_null_safe(); 137 } 138 139 // Entry to native method implementation that transitions 140 // current thread to '_thread_in_vm'. 141 #define C2V_VMENTRY(result_type, name, signature) \ 142 JNIEXPORT result_type JNICALL c2v_ ## name signature { \ 143 Thread* base_thread = get_current_thread(); \ 144 if (base_thread == NULL) { \ 145 env->ThrowNew(JNIJVMCI::InternalError::clazz(), \ 146 err_msg("Cannot call into HotSpot from JVMCI shared library without attaching current thread")); \ 147 return; \ 148 } \ 149 assert(base_thread->is_Java_thread(), "just checking");\ 150 JavaThread* thread = (JavaThread*) base_thread; \ 151 JVMCITraceMark jtm("CompilerToVM::" #name); \ 152 C2V_BLOCK(result_type, name, signature) 153 154 #define C2V_VMENTRY_(result_type, name, signature, result) \ 155 JNIEXPORT result_type JNICALL c2v_ ## name signature { \ 156 Thread* base_thread = get_current_thread(); \ 157 if (base_thread == NULL) { \ 158 env->ThrowNew(JNIJVMCI::InternalError::clazz(), \ 159 err_msg("Cannot call into HotSpot from JVMCI shared library without attaching current thread")); \ 160 return result; \ 161 } \ 162 assert(base_thread->is_Java_thread(), "just checking");\ 163 JavaThread* thread = (JavaThread*) base_thread; \ 164 JVMCITraceMark jtm("CompilerToVM::" #name); \ 165 C2V_BLOCK(result_type, name, signature) 166 167 #define C2V_VMENTRY_NULL(result_type, name, signature) C2V_VMENTRY_(result_type, name, signature, NULL) 168 #define C2V_VMENTRY_0(result_type, name, signature) C2V_VMENTRY_(result_type, name, signature, 0) 169 170 // Entry to native method implementation that does not transition 171 // current thread to '_thread_in_vm'. 172 #define C2V_VMENTRY_PREFIX(result_type, name, signature) \ 173 JNIEXPORT result_type JNICALL c2v_ ## name signature { \ 174 Thread* base_thread = get_current_thread(); 175 176 #define C2V_END } 177 178 #define JNI_THROW(caller, name, msg) do { \ 179 jint __throw_res = env->ThrowNew(JNIJVMCI::name::clazz(), msg); \ 180 if (__throw_res != JNI_OK) { \ 181 tty->print_cr("Throwing " #name " in " caller " returned %d", __throw_res); \ 182 } \ 183 return; \ 184 } while (0); 185 186 #define JNI_THROW_(caller, name, msg, result) do { \ 187 jint __throw_res = env->ThrowNew(JNIJVMCI::name::clazz(), msg); \ 188 if (__throw_res != JNI_OK) { \ 189 tty->print_cr("Throwing " #name " in " caller " returned %d", __throw_res); \ 190 } \ 191 return result; \ 192 } while (0) 193 194 jobjectArray readConfiguration0(JNIEnv *env, JVMCI_TRAPS); 195 196 C2V_VMENTRY_NULL(jobjectArray, readConfiguration, (JNIEnv* env)) 197 jobjectArray config = readConfiguration0(env, JVMCI_CHECK_NULL); 198 return config; 199 } 200 201 C2V_VMENTRY_NULL(jobject, getFlagValue, (JNIEnv* env, jobject c2vm, jobject name_handle)) 202 #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(); 203 #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(); 204 JVMCIObject name = JVMCIENV->wrap(name_handle); 205 if (name.is_null()) { 206 JVMCI_THROW_NULL(NullPointerException); 207 } 208 const char* cstring = JVMCIENV->as_utf8_string(name); 209 const JVMFlag* flag = JVMFlag::find_declared_flag(cstring); 210 if (flag == NULL) { 211 return c2vm; 212 } 213 if (flag->is_bool()) { 214 jvalue prim; 215 prim.z = flag->get_bool(); 216 JVMCIObject box = JVMCIENV->create_box(T_BOOLEAN, &prim, JVMCI_CHECK_NULL); 217 return JVMCIENV->get_jobject(box); 218 } else if (flag->is_ccstr()) { 219 JVMCIObject value = JVMCIENV->create_string(flag->get_ccstr(), JVMCI_CHECK_NULL); 220 return JVMCIENV->get_jobject(value); 221 } else if (flag->is_intx()) { 222 RETURN_BOXED_LONG(flag->get_intx()); 223 } else if (flag->is_int()) { 224 RETURN_BOXED_LONG(flag->get_int()); 225 } else if (flag->is_uint()) { 226 RETURN_BOXED_LONG(flag->get_uint()); 227 } else if (flag->is_uint64_t()) { 228 RETURN_BOXED_LONG(flag->get_uint64_t()); 229 } else if (flag->is_size_t()) { 230 RETURN_BOXED_LONG(flag->get_size_t()); 231 } else if (flag->is_uintx()) { 232 RETURN_BOXED_LONG(flag->get_uintx()); 233 } else if (flag->is_double()) { 234 RETURN_BOXED_DOUBLE(flag->get_double()); 235 } else { 236 JVMCI_ERROR_NULL("VM flag %s has unsupported type %s", flag->_name, flag->_type); 237 } 238 #undef RETURN_BOXED_LONG 239 #undef RETURN_BOXED_DOUBLE 240 C2V_END 241 242 C2V_VMENTRY_NULL(jobject, getObjectAtAddress, (JNIEnv* env, jobject c2vm, jlong oop_address)) 243 requireInHotSpot("getObjectAtAddress", JVMCI_CHECK_NULL); 244 if (oop_address == 0) { 245 JVMCI_THROW_MSG_NULL(InternalError, "Handle must be non-zero"); 246 } 247 oop obj = *((oopDesc**) oop_address); 248 if (obj != NULL) { 249 oopDesc::verify(obj); 250 } 251 return JNIHandles::make_local(obj); 252 C2V_END 253 254 C2V_VMENTRY_NULL(jbyteArray, getBytecode, (JNIEnv* env, jobject, jobject jvmci_method)) 255 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method)); 256 257 int code_size = method->code_size(); 258 jbyte* reconstituted_code = NEW_RESOURCE_ARRAY(jbyte, code_size); 259 260 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten"); 261 // iterate over all bytecodes and replace non-Java bytecodes 262 263 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) { 264 Bytecodes::Code code = s.code(); 265 Bytecodes::Code raw_code = s.raw_code(); 266 int bci = s.bci(); 267 int len = s.instruction_size(); 268 269 // Restore original byte code. 270 reconstituted_code[bci] = (jbyte) (s.is_wide()? Bytecodes::_wide : code); 271 if (len > 1) { 272 memcpy(reconstituted_code + (bci + 1), s.bcp()+1, len-1); 273 } 274 275 if (len > 1) { 276 // Restore the big-endian constant pool indexes. 277 // Cf. Rewriter::scan_method 278 switch (code) { 279 case Bytecodes::_getstatic: 280 case Bytecodes::_putstatic: 281 case Bytecodes::_getfield: 282 case Bytecodes::_putfield: 283 case Bytecodes::_invokevirtual: 284 case Bytecodes::_invokespecial: 285 case Bytecodes::_invokestatic: 286 case Bytecodes::_invokeinterface: 287 case Bytecodes::_invokehandle: { 288 int cp_index = Bytes::get_native_u2((address) reconstituted_code + (bci + 1)); 289 Bytes::put_Java_u2((address) reconstituted_code + (bci + 1), (u2) cp_index); 290 break; 291 } 292 293 case Bytecodes::_invokedynamic: { 294 int cp_index = Bytes::get_native_u4((address) reconstituted_code + (bci + 1)); 295 Bytes::put_Java_u4((address) reconstituted_code + (bci + 1), (u4) cp_index); 296 break; 297 } 298 299 default: 300 break; 301 } 302 303 // Not all ldc byte code are rewritten. 304 switch (raw_code) { 305 case Bytecodes::_fast_aldc: { 306 int cpc_index = reconstituted_code[bci + 1] & 0xff; 307 int cp_index = method->constants()->object_to_cp_index(cpc_index); 308 assert(cp_index < method->constants()->length(), "sanity check"); 309 reconstituted_code[bci + 1] = (jbyte) cp_index; 310 break; 311 } 312 313 case Bytecodes::_fast_aldc_w: { 314 int cpc_index = Bytes::get_native_u2((address) reconstituted_code + (bci + 1)); 315 int cp_index = method->constants()->object_to_cp_index(cpc_index); 316 assert(cp_index < method->constants()->length(), "sanity check"); 317 Bytes::put_Java_u2((address) reconstituted_code + (bci + 1), (u2) cp_index); 318 break; 319 } 320 321 default: 322 break; 323 } 324 } 325 } 326 327 JVMCIPrimitiveArray result = JVMCIENV->new_byteArray(code_size, JVMCI_CHECK_NULL); 328 JVMCIENV->copy_bytes_from(reconstituted_code, result, 0, code_size); 329 return JVMCIENV->get_jbyteArray(result); 330 C2V_END 331 332 C2V_VMENTRY_0(jint, getExceptionTableLength, (JNIEnv* env, jobject, jobject jvmci_method)) 333 Method* method = JVMCIENV->asMethod(jvmci_method); 334 return method->exception_table_length(); 335 C2V_END 336 337 C2V_VMENTRY_0(jlong, getExceptionTableStart, (JNIEnv* env, jobject, jobject jvmci_method)) 338 Method* method = JVMCIENV->asMethod(jvmci_method); 339 if (method->exception_table_length() == 0) { 340 return 0L; 341 } 342 return (jlong) (address) method->exception_table_start(); 343 C2V_END 344 345 C2V_VMENTRY_NULL(jobject, asResolvedJavaMethod, (JNIEnv* env, jobject, jobject executable_handle)) 346 requireInHotSpot("asResolvedJavaMethod", JVMCI_CHECK_NULL); 347 oop executable = JNIHandles::resolve(executable_handle); 348 oop mirror = NULL; 349 int slot = 0; 350 351 if (executable->klass() == SystemDictionary::reflect_Constructor_klass()) { 352 mirror = java_lang_reflect_Constructor::clazz(executable); 353 slot = java_lang_reflect_Constructor::slot(executable); 354 } else { 355 assert(executable->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); 356 mirror = java_lang_reflect_Method::clazz(executable); 357 slot = java_lang_reflect_Method::slot(executable); 358 } 359 Klass* holder = java_lang_Class::as_Klass(mirror); 360 methodHandle method (THREAD, InstanceKlass::cast(holder)->method_with_idnum(slot)); 361 JVMCIObject result = JVMCIENV->get_jvmci_method(method, JVMCI_CHECK_NULL); 362 return JVMCIENV->get_jobject(result); 363 } 364 365 C2V_VMENTRY_NULL(jobject, getResolvedJavaMethod, (JNIEnv* env, jobject, jobject base, jlong offset)) 366 Method* method; 367 JVMCIObject base_object = JVMCIENV->wrap(base); 368 if (base_object.is_null()) { 369 method = *((Method**)(offset)); 370 } else if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) { 371 Handle obj = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL); 372 if (obj->is_a(SystemDictionary::ResolvedMethodName_klass())) { 373 method = (Method*) (intptr_t) obj->long_field(offset); 374 } else { 375 JVMCI_THROW_MSG_NULL(IllegalArgumentException, err_msg("Unexpected type: %s", obj->klass()->external_name())); 376 } 377 } else if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(base_object)) { 378 method = JVMCIENV->asMethod(base_object); 379 } 380 if (method == NULL) { 381 JVMCI_THROW_MSG_NULL(IllegalArgumentException, err_msg("Unexpected type: %s", JVMCIENV->klass_name(base_object))); 382 } 383 assert (method->is_method(), "invalid read"); 384 JVMCIObject result = JVMCIENV->get_jvmci_method(methodHandle(THREAD, method), JVMCI_CHECK_NULL); 385 return JVMCIENV->get_jobject(result); 386 } 387 388 C2V_VMENTRY_NULL(jobject, getConstantPool, (JNIEnv* env, jobject, jobject object_handle)) 389 ConstantPool* cp = NULL; 390 JVMCIObject object = JVMCIENV->wrap(object_handle); 391 if (object.is_null()) { 392 JVMCI_THROW_NULL(NullPointerException); 393 } 394 if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(object)) { 395 cp = JVMCIENV->asMethod(object)->constMethod()->constants(); 396 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(object)) { 397 cp = InstanceKlass::cast(JVMCIENV->asKlass(object))->constants(); 398 } else { 399 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 400 err_msg("Unexpected type: %s", JVMCIENV->klass_name(object))); 401 } 402 assert(cp != NULL, "npe"); 403 404 JVMCIObject result = JVMCIENV->get_jvmci_constant_pool(constantPoolHandle(THREAD, cp), JVMCI_CHECK_NULL); 405 return JVMCIENV->get_jobject(result); 406 } 407 408 C2V_VMENTRY_NULL(jobject, getResolvedJavaType0, (JNIEnv* env, jobject, jobject base, jlong offset, jboolean compressed)) 409 JVMCIKlassHandle klass(THREAD); 410 JVMCIObject base_object = JVMCIENV->wrap(base); 411 jlong base_address = 0; 412 if (base_object.is_non_null() && offset == oopDesc::klass_offset_in_bytes()) { 413 // klass = JVMCIENV->unhandle(base_object)->klass(); 414 if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) { 415 Handle base_oop = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL); 416 klass = base_oop->klass(); 417 } else { 418 assert(false, "What types are we actually expecting here?"); 419 } 420 } else if (!compressed) { 421 if (base_object.is_non_null()) { 422 if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(base_object)) { 423 base_address = (intptr_t) JVMCIENV->asMethod(base_object); 424 } else if (JVMCIENV->isa_HotSpotConstantPool(base_object)) { 425 base_address = (intptr_t) JVMCIENV->asConstantPool(base_object); 426 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base_object)) { 427 base_address = (intptr_t) JVMCIENV->asKlass(base_object); 428 } else if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) { 429 Handle base_oop = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL); 430 if (base_oop->is_a(SystemDictionary::Class_klass())) { 431 base_address = (jlong) (address) base_oop(); 432 } 433 } 434 if (base_address == 0) { 435 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 436 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", JVMCIENV->klass_name(base_object), offset, compressed ? "true" : "false")); 437 } 438 } 439 klass = *((Klass**) (intptr_t) (base_address + offset)); 440 } else { 441 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 442 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", 443 base_object.is_non_null() ? JVMCIENV->klass_name(base_object) : "null", 444 offset, compressed ? "true" : "false")); 445 } 446 assert (klass == NULL || klass->is_klass(), "invalid read"); 447 JVMCIObject result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL); 448 return JVMCIENV->get_jobject(result); 449 } 450 451 C2V_VMENTRY_NULL(jobject, findUniqueConcreteMethod, (JNIEnv* env, jobject, jobject jvmci_type, jobject jvmci_method)) 452 methodHandle method (THREAD, JVMCIENV->asMethod(jvmci_method)); 453 Klass* holder = JVMCIENV->asKlass(jvmci_type); 454 if (holder->is_interface()) { 455 JVMCI_THROW_MSG_NULL(InternalError, err_msg("Interface %s should be handled in Java code", holder->external_name())); 456 } 457 if (method->can_be_statically_bound()) { 458 JVMCI_THROW_MSG_NULL(InternalError, err_msg("Effectively static method %s.%s should be handled in Java code", method->method_holder()->external_name(), method->external_name())); 459 } 460 461 methodHandle ucm; 462 { 463 MutexLocker locker(Compile_lock); 464 ucm = methodHandle(THREAD, Dependencies::find_unique_concrete_method(holder, method())); 465 } 466 JVMCIObject result = JVMCIENV->get_jvmci_method(ucm, JVMCI_CHECK_NULL); 467 return JVMCIENV->get_jobject(result); 468 C2V_END 469 470 C2V_VMENTRY_NULL(jobject, getImplementor, (JNIEnv* env, jobject, jobject jvmci_type)) 471 Klass* klass = JVMCIENV->asKlass(jvmci_type); 472 if (!klass->is_interface()) { 473 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), 474 err_msg("Expected interface type, got %s", klass->external_name())); 475 } 476 InstanceKlass* iklass = InstanceKlass::cast(klass); 477 JVMCIKlassHandle handle(THREAD); 478 { 479 // Need Compile_lock around implementor() 480 MutexLocker locker(Compile_lock); 481 handle = iklass->implementor(); 482 } 483 JVMCIObject implementor = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL); 484 return JVMCIENV->get_jobject(implementor); 485 C2V_END 486 487 C2V_VMENTRY_0(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv* env, jobject, jobject jvmci_method)) 488 Method* method = JVMCIENV->asMethod(jvmci_method); 489 return method->is_ignored_by_security_stack_walk(); 490 C2V_END 491 492 C2V_VMENTRY_0(jboolean, isCompilable,(JNIEnv* env, jobject, jobject jvmci_method)) 493 Method* method = JVMCIENV->asMethod(jvmci_method); 494 ConstantPool* cp = method->constMethod()->constants(); 495 assert(cp != NULL, "npe"); 496 // don't inline method when constant pool contains a CONSTANT_Dynamic 497 return !method->is_not_compilable(CompLevel_full_optimization) && !cp->has_dynamic_constant(); 498 C2V_END 499 500 C2V_VMENTRY_0(jboolean, hasNeverInlineDirective,(JNIEnv* env, jobject, jobject jvmci_method)) 501 methodHandle method (THREAD, JVMCIENV->asMethod(jvmci_method)); 502 return !Inline || CompilerOracle::should_not_inline(method) || method->dont_inline(); 503 C2V_END 504 505 C2V_VMENTRY_0(jboolean, shouldInlineMethod,(JNIEnv* env, jobject, jobject jvmci_method)) 506 methodHandle method (THREAD, JVMCIENV->asMethod(jvmci_method)); 507 return CompilerOracle::should_inline(method) || method->force_inline(); 508 C2V_END 509 510 C2V_VMENTRY_NULL(jobject, lookupType, (JNIEnv* env, jobject, jstring jname, jclass accessing_class, jboolean resolve)) 511 JVMCIObject name = JVMCIENV->wrap(jname); 512 const char* str = JVMCIENV->as_utf8_string(name); 513 TempNewSymbol class_name = SymbolTable::new_symbol(str); 514 515 if (class_name->utf8_length() <= 1) { 516 JVMCI_THROW_MSG_0(InternalError, err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string())); 517 } 518 519 JVMCIKlassHandle resolved_klass(THREAD); 520 Klass* accessing_klass = NULL; 521 Handle class_loader; 522 Handle protection_domain; 523 if (accessing_class != NULL) { 524 accessing_klass = JVMCIENV->asKlass(accessing_class); 525 class_loader = Handle(THREAD, accessing_klass->class_loader()); 526 protection_domain = Handle(THREAD, accessing_klass->protection_domain()); 527 } else { 528 // Use the System class loader 529 class_loader = Handle(THREAD, SystemDictionary::java_system_loader()); 530 JVMCIENV->runtime()->initialize(JVMCIENV); 531 } 532 533 if (resolve) { 534 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0); 535 if (resolved_klass == NULL) { 536 JVMCI_THROW_MSG_NULL(ClassNotFoundException, str); 537 } 538 } else { 539 if (class_name->char_at(0) == JVM_SIGNATURE_CLASS && 540 class_name->char_at(class_name->utf8_length()-1) == JVM_SIGNATURE_ENDCLASS) { 541 // This is a name from a signature. Strip off the trimmings. 542 // Call recursive to keep scope of strippedsym. 543 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1, 544 class_name->utf8_length()-2); 545 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0); 546 } else if (FieldType::is_array(class_name)) { 547 FieldArrayInfo fd; 548 // dimension and object_key in FieldArrayInfo are assigned as a side-effect 549 // of this call 550 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0); 551 if (t == T_OBJECT) { 552 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(), 553 class_name->utf8_length()-2-fd.dimension()); 554 resolved_klass = SystemDictionary::find(strippedsym, 555 class_loader, 556 protection_domain, 557 CHECK_0); 558 if (!resolved_klass.is_null()) { 559 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0); 560 } 561 } else { 562 resolved_klass = TypeArrayKlass::cast(Universe::typeArrayKlassObj(t))->array_klass(fd.dimension(), CHECK_0); 563 } 564 } else { 565 resolved_klass = SystemDictionary::find(class_name, class_loader, protection_domain, CHECK_0); 566 } 567 } 568 JVMCIObject result = JVMCIENV->get_jvmci_type(resolved_klass, JVMCI_CHECK_NULL); 569 return JVMCIENV->get_jobject(result); 570 C2V_END 571 572 C2V_VMENTRY_NULL(jobject, getArrayType, (JNIEnv* env, jobject, jobject jvmci_type)) 573 if (jvmci_type == NULL) { 574 JVMCI_THROW_0(NullPointerException); 575 } 576 577 JVMCIObject jvmci_type_object = JVMCIENV->wrap(jvmci_type); 578 JVMCIKlassHandle array_klass(THREAD); 579 if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(jvmci_type_object)) { 580 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(jvmci_type_object), JVMCI_CHECK_0); 581 if (type == T_VOID) { 582 return NULL; 583 } 584 array_klass = Universe::typeArrayKlassObj(type); 585 if (array_klass == NULL) { 586 JVMCI_THROW_MSG_NULL(InternalError, err_msg("No array klass for primitive type %s", type2name(type))); 587 } 588 } else { 589 Klass* klass = JVMCIENV->asKlass(jvmci_type); 590 if (klass == NULL) { 591 JVMCI_THROW_0(NullPointerException); 592 } 593 array_klass = klass->array_klass(CHECK_NULL); 594 } 595 JVMCIObject result = JVMCIENV->get_jvmci_type(array_klass, JVMCI_CHECK_NULL); 596 return JVMCIENV->get_jobject(result); 597 C2V_END 598 599 C2V_VMENTRY_NULL(jobject, lookupClass, (JNIEnv* env, jobject, jclass mirror)) 600 requireInHotSpot("lookupClass", JVMCI_CHECK_NULL); 601 if (mirror == NULL) { 602 return NULL; 603 } 604 JVMCIKlassHandle klass(THREAD); 605 klass = java_lang_Class::as_Klass(JNIHandles::resolve(mirror)); 606 if (klass == NULL) { 607 JVMCI_THROW_MSG_NULL(IllegalArgumentException, "Primitive classes are unsupported"); 608 } 609 JVMCIObject result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL); 610 return JVMCIENV->get_jobject(result); 611 } 612 613 C2V_VMENTRY_NULL(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 614 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); 615 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL); 616 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(result)); 617 C2V_END 618 619 C2V_VMENTRY_0(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 620 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); 621 return cp->name_and_type_ref_index_at(index); 622 C2V_END 623 624 C2V_VMENTRY_NULL(jobject, lookupNameInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint which)) 625 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); 626 JVMCIObject sym = JVMCIENV->create_string(cp->name_ref_at(which), JVMCI_CHECK_NULL); 627 return JVMCIENV->get_jobject(sym); 628 C2V_END 629 630 C2V_VMENTRY_NULL(jobject, lookupSignatureInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint which)) 631 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); 632 JVMCIObject sym = JVMCIENV->create_string(cp->signature_ref_at(which), JVMCI_CHECK_NULL); 633 return JVMCIENV->get_jobject(sym); 634 C2V_END 635 636 C2V_VMENTRY_0(jint, lookupKlassRefIndexInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 637 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); 638 return cp->klass_ref_index_at(index); 639 C2V_END 640 641 C2V_VMENTRY_NULL(jobject, resolveTypeInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 642 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); 643 Klass* klass = cp->klass_at(index, CHECK_NULL); 644 JVMCIKlassHandle resolved_klass(THREAD, klass); 645 if (resolved_klass->is_instance_klass()) { 646 InstanceKlass::cast(resolved_klass())->link_class(CHECK_NULL); 647 if (!InstanceKlass::cast(resolved_klass())->is_linked()) { 648 // link_class() should not return here if there is an issue. 649 JVMCI_THROW_MSG_NULL(InternalError, err_msg("Class %s must be linked", resolved_klass()->external_name())); 650 } 651 } 652 JVMCIObject klassObject = JVMCIENV->get_jvmci_type(resolved_klass, JVMCI_CHECK_NULL); 653 return JVMCIENV->get_jobject(klassObject); 654 C2V_END 655 656 C2V_VMENTRY_NULL(jobject, lookupKlassInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode)) 657 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); 658 Klass* loading_klass = cp->pool_holder(); 659 bool is_accessible = false; 660 JVMCIKlassHandle klass(THREAD, JVMCIRuntime::get_klass_by_index(cp, index, is_accessible, loading_klass)); 661 Symbol* symbol = NULL; 662 if (klass.is_null()) { 663 constantTag tag = cp->tag_at(index); 664 if (tag.is_klass()) { 665 // The klass has been inserted into the constant pool 666 // very recently. 667 klass = cp->resolved_klass_at(index); 668 } else if (tag.is_symbol()) { 669 symbol = cp->symbol_at(index); 670 } else { 671 assert(cp->tag_at(index).is_unresolved_klass(), "wrong tag"); 672 symbol = cp->klass_name_at(index); 673 } 674 } 675 JVMCIObject result; 676 if (!klass.is_null()) { 677 result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL); 678 } else { 679 result = JVMCIENV->create_string(symbol, JVMCI_CHECK_NULL); 680 } 681 return JVMCIENV->get_jobject(result); 682 C2V_END 683 684 C2V_VMENTRY_NULL(jobject, lookupAppendixInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 685 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); 686 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index); 687 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(appendix_oop)); 688 C2V_END 689 690 C2V_VMENTRY_NULL(jobject, lookupMethodInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode)) 691 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); 692 InstanceKlass* pool_holder = cp->pool_holder(); 693 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF); 694 methodHandle method(THREAD, JVMCIRuntime::get_method_by_index(cp, index, bc, pool_holder)); 695 JVMCIObject result = JVMCIENV->get_jvmci_method(method, JVMCI_CHECK_NULL); 696 return JVMCIENV->get_jobject(result); 697 C2V_END 698 699 C2V_VMENTRY_0(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 700 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); 701 return cp->remap_instruction_operand_from_cache(index); 702 C2V_END 703 704 C2V_VMENTRY_NULL(jobject, resolveFieldInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jintArray info_handle)) 705 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); 706 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF); 707 fieldDescriptor fd; 708 methodHandle mh(THREAD, (jvmci_method != NULL) ? JVMCIENV->asMethod(jvmci_method) : NULL); 709 LinkInfo link_info(cp, index, mh, CHECK_0); 710 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0); 711 JVMCIPrimitiveArray info = JVMCIENV->wrap(info_handle); 712 if (info.is_null() || JVMCIENV->get_length(info) != 3) { 713 JVMCI_ERROR_NULL("info must not be null and have a length of 3"); 714 } 715 JVMCIENV->put_int_at(info, 0, fd.access_flags().as_int()); 716 JVMCIENV->put_int_at(info, 1, fd.offset()); 717 JVMCIENV->put_int_at(info, 2, fd.index()); 718 JVMCIKlassHandle handle(THREAD, fd.field_holder()); 719 JVMCIObject field_holder = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL); 720 return JVMCIENV->get_jobject(field_holder); 721 C2V_END 722 723 C2V_VMENTRY_0(jint, getVtableIndexForInterfaceMethod, (JNIEnv* env, jobject, jobject jvmci_type, jobject jvmci_method)) 724 Klass* klass = JVMCIENV->asKlass(jvmci_type); 725 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method)); 726 if (klass->is_interface()) { 727 JVMCI_THROW_MSG_0(InternalError, err_msg("Interface %s should be handled in Java code", klass->external_name())); 728 } 729 if (!method->method_holder()->is_interface()) { 730 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())); 731 } 732 if (!klass->is_instance_klass()) { 733 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be instance klass", klass->external_name())); 734 } 735 if (!InstanceKlass::cast(klass)->is_linked()) { 736 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be linked", klass->external_name())); 737 } 738 return LinkResolver::vtable_index_of_interface_method(klass, method); 739 C2V_END 740 741 C2V_VMENTRY_NULL(jobject, resolveMethod, (JNIEnv* env, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type)) 742 Klass* recv_klass = JVMCIENV->asKlass(receiver_jvmci_type); 743 Klass* caller_klass = JVMCIENV->asKlass(caller_jvmci_type); 744 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method)); 745 746 Klass* resolved = method->method_holder(); 747 Symbol* h_name = method->name(); 748 Symbol* h_signature = method->signature(); 749 750 if (MethodHandles::is_signature_polymorphic_method(method())) { 751 // Signature polymorphic methods are already resolved, JVMCI just returns NULL in this case. 752 return NULL; 753 } 754 755 if (method->name() == vmSymbols::clone_name() && 756 resolved == SystemDictionary::Object_klass() && 757 recv_klass->is_array_klass()) { 758 // Resolution of the clone method on arrays always returns Object.clone even though that method 759 // has protected access. There's some trickery in the access checking to make this all work out 760 // so it's necessary to pass in the array class as the resolved class to properly trigger this. 761 // Otherwise it's impossible to resolve the array clone methods through JVMCI. See 762 // LinkResolver::check_method_accessability for the matching logic. 763 resolved = recv_klass; 764 } 765 766 LinkInfo link_info(resolved, h_name, h_signature, caller_klass); 767 Method* m = NULL; 768 // Only do exact lookup if receiver klass has been linked. Otherwise, 769 // the vtable has not been setup, and the LinkResolver will fail. 770 if (recv_klass->is_array_klass() || 771 (InstanceKlass::cast(recv_klass)->is_linked() && !recv_klass->is_interface())) { 772 if (resolved->is_interface()) { 773 m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info); 774 } else { 775 m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info); 776 } 777 } 778 779 if (m == NULL) { 780 // Return NULL if there was a problem with lookup (uninitialized class, etc.) 781 return NULL; 782 } 783 784 JVMCIObject result = JVMCIENV->get_jvmci_method(methodHandle(THREAD, m), JVMCI_CHECK_NULL); 785 return JVMCIENV->get_jobject(result); 786 C2V_END 787 788 C2V_VMENTRY_0(jboolean, hasFinalizableSubclass,(JNIEnv* env, jobject, jobject jvmci_type)) 789 Klass* klass = JVMCIENV->asKlass(jvmci_type); 790 assert(klass != NULL, "method must not be called for primitive types"); 791 return Dependencies::find_finalizable_subclass(klass) != NULL; 792 C2V_END 793 794 C2V_VMENTRY_NULL(jobject, getClassInitializer, (JNIEnv* env, jobject, jobject jvmci_type)) 795 Klass* klass = JVMCIENV->asKlass(jvmci_type); 796 if (!klass->is_instance_klass()) { 797 return NULL; 798 } 799 InstanceKlass* iklass = InstanceKlass::cast(klass); 800 methodHandle clinit(THREAD, iklass->class_initializer()); 801 JVMCIObject result = JVMCIENV->get_jvmci_method(clinit, JVMCI_CHECK_NULL); 802 return JVMCIENV->get_jobject(result); 803 C2V_END 804 805 C2V_VMENTRY_0(jlong, getMaxCallTargetOffset, (JNIEnv* env, jobject, jlong addr)) 806 address target_addr = (address) addr; 807 if (target_addr != 0x0) { 808 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int)); 809 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int)); 810 return MAX2(ABS(off_low), ABS(off_high)); 811 } 812 return -1; 813 C2V_END 814 815 C2V_VMENTRY(void, setNotInlinableOrCompilable,(JNIEnv* env, jobject, jobject jvmci_method)) 816 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method)); 817 method->set_not_c1_compilable(); 818 method->set_not_c2_compilable(); 819 method->set_dont_inline(true); 820 C2V_END 821 822 C2V_VMENTRY_0(jint, installCode, (JNIEnv *env, jobject, jobject target, jobject compiled_code, 823 jobject installed_code, jlong failed_speculations_address, jbyteArray speculations_obj)) 824 HandleMark hm; 825 JNIHandleMark jni_hm(thread); 826 827 JVMCIObject target_handle = JVMCIENV->wrap(target); 828 JVMCIObject compiled_code_handle = JVMCIENV->wrap(compiled_code); 829 CodeBlob* cb = NULL; 830 JVMCIObject installed_code_handle = JVMCIENV->wrap(installed_code); 831 JVMCIPrimitiveArray speculations_handle = JVMCIENV->wrap(speculations_obj); 832 833 int speculations_len = JVMCIENV->get_length(speculations_handle); 834 char* speculations = NEW_RESOURCE_ARRAY(char, speculations_len); 835 JVMCIENV->copy_bytes_to(speculations_handle, (jbyte*) speculations, 0, speculations_len); 836 837 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK_JNI_ERR); 838 839 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer()); 840 bool is_immutable_PIC = JVMCIENV->get_HotSpotCompiledCode_isImmutablePIC(compiled_code_handle) > 0; 841 842 CodeInstaller installer(JVMCIENV, is_immutable_PIC); 843 JVMCI::CodeInstallResult result = installer.install(compiler, 844 target_handle, 845 compiled_code_handle, 846 cb, 847 installed_code_handle, 848 (FailedSpeculation**)(address) failed_speculations_address, 849 speculations, 850 speculations_len, 851 JVMCI_CHECK_0); 852 853 if (PrintCodeCacheOnCompilation) { 854 stringStream s; 855 // Dump code cache into a buffer before locking the tty, 856 { 857 MutexLocker mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); 858 CodeCache::print_summary(&s, false); 859 } 860 ttyLocker ttyl; 861 tty->print_raw_cr(s.as_string()); 862 } 863 864 if (result != JVMCI::ok) { 865 assert(cb == NULL, "should be"); 866 } else { 867 if (installed_code_handle.is_non_null()) { 868 if (cb->is_nmethod()) { 869 assert(JVMCIENV->isa_HotSpotNmethod(installed_code_handle), "wrong type"); 870 // Clear the link to an old nmethod first 871 JVMCIObject nmethod_mirror = installed_code_handle; 872 JVMCIENV->invalidate_nmethod_mirror(nmethod_mirror, JVMCI_CHECK_0); 873 } else { 874 assert(JVMCIENV->isa_InstalledCode(installed_code_handle), "wrong type"); 875 } 876 // Initialize the link to the new code blob 877 JVMCIENV->initialize_installed_code(installed_code_handle, cb, JVMCI_CHECK_0); 878 } 879 } 880 return result; 881 C2V_END 882 883 C2V_VMENTRY_0(jint, getMetadata, (JNIEnv *env, jobject, jobject target, jobject compiled_code, jobject metadata)) 884 #if INCLUDE_AOT 885 HandleMark hm; 886 assert(JVMCIENV->is_hotspot(), "AOT code is executed only in HotSpot mode"); 887 888 JVMCIObject target_handle = JVMCIENV->wrap(target); 889 JVMCIObject compiled_code_handle = JVMCIENV->wrap(compiled_code); 890 JVMCIObject metadata_handle = JVMCIENV->wrap(metadata); 891 892 CodeMetadata code_metadata; 893 894 CodeInstaller installer(JVMCIENV, true /* immutable PIC compilation */); 895 JVMCI::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, JVMCI_CHECK_0); 896 if (result != JVMCI::ok) { 897 return result; 898 } 899 900 if (code_metadata.get_nr_pc_desc() > 0) { 901 int size = sizeof(PcDesc) * code_metadata.get_nr_pc_desc(); 902 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full)); 903 JVMCIENV->copy_bytes_from((jbyte*) code_metadata.get_pc_desc(), array, 0, size); 904 HotSpotJVMCI::HotSpotMetaData::set_pcDescBytes(JVMCIENV, metadata_handle, array); 905 } 906 907 if (code_metadata.get_scopes_size() > 0) { 908 int size = code_metadata.get_scopes_size(); 909 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full)); 910 JVMCIENV->copy_bytes_from((jbyte*) code_metadata.get_scopes_desc(), array, 0, size); 911 HotSpotJVMCI::HotSpotMetaData::set_scopesDescBytes(JVMCIENV, metadata_handle, array); 912 } 913 914 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer(); 915 int size = (int) reloc_buffer->size(); 916 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full)); 917 JVMCIENV->copy_bytes_from((jbyte*) reloc_buffer->begin(), array, 0, size); 918 HotSpotJVMCI::HotSpotMetaData::set_relocBytes(JVMCIENV, metadata_handle, array); 919 920 const OopMapSet* oopMapSet = installer.oopMapSet(); 921 { 922 ResourceMark mark; 923 ImmutableOopMapBuilder builder(oopMapSet); 924 int size = builder.heap_size(); 925 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full)); 926 builder.generate_into((address) HotSpotJVMCI::resolve(array)->byte_at_addr(0)); 927 HotSpotJVMCI::HotSpotMetaData::set_oopMaps(JVMCIENV, metadata_handle, array); 928 } 929 930 AOTOopRecorder* recorder = code_metadata.get_oop_recorder(); 931 932 int nr_meta_refs = recorder->nr_meta_refs(); 933 JVMCIObjectArray metadataArray = JVMCIENV->new_Object_array(nr_meta_refs, JVMCI_CHECK_(JVMCI::cache_full)); 934 for (int i = 0; i < nr_meta_refs; ++i) { 935 jobject element = recorder->meta_element(i); 936 if (element == NULL) { 937 return JVMCI::cache_full; 938 } 939 JVMCIENV->put_object_at(metadataArray, i, JVMCIENV->wrap(element)); 940 } 941 HotSpotJVMCI::HotSpotMetaData::set_metadata(JVMCIENV, metadata_handle, metadataArray); 942 943 ExceptionHandlerTable* handler = code_metadata.get_exception_table(); 944 int table_size = handler->size_in_bytes(); 945 JVMCIPrimitiveArray exceptionArray = JVMCIENV->new_byteArray(table_size, JVMCI_CHECK_(JVMCI::cache_full)); 946 if (table_size > 0) { 947 handler->copy_bytes_to((address) HotSpotJVMCI::resolve(exceptionArray)->byte_at_addr(0)); 948 } 949 HotSpotJVMCI::HotSpotMetaData::set_exceptionBytes(JVMCIENV, metadata_handle, exceptionArray); 950 951 ImplicitExceptionTable* implicit = code_metadata.get_implicit_exception_table(); 952 int implicit_table_size = implicit->size_in_bytes(); 953 JVMCIPrimitiveArray implicitExceptionArray = JVMCIENV->new_byteArray(implicit_table_size, JVMCI_CHECK_(JVMCI::cache_full)); 954 if (implicit_table_size > 0) { 955 implicit->copy_bytes_to((address) HotSpotJVMCI::resolve(implicitExceptionArray)->byte_at_addr(0), implicit_table_size); 956 } 957 HotSpotJVMCI::HotSpotMetaData::set_implicitExceptionBytes(JVMCIENV, metadata_handle, implicitExceptionArray); 958 959 return result; 960 #else 961 JVMCI_THROW_MSG_0(InternalError, "unimplemented"); 962 #endif 963 C2V_END 964 965 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv* env, jobject)) 966 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK); 967 CompilerStatistics* stats = compiler->stats(); 968 stats->_standard.reset(); 969 stats->_osr.reset(); 970 C2V_END 971 972 C2V_VMENTRY_NULL(jobject, disassembleCodeBlob, (JNIEnv* env, jobject, jobject installedCode)) 973 HandleMark hm; 974 975 if (installedCode == NULL) { 976 JVMCI_THROW_MSG_NULL(NullPointerException, "installedCode is null"); 977 } 978 979 JVMCIObject installedCodeObject = JVMCIENV->wrap(installedCode); 980 CodeBlob* cb = JVMCIENV->asCodeBlob(installedCodeObject); 981 if (cb == NULL) { 982 return NULL; 983 } 984 985 // We don't want the stringStream buffer to resize during disassembly as it 986 // uses scoped resource memory. If a nested function called during disassembly uses 987 // a ResourceMark and the buffer expands within the scope of the mark, 988 // the buffer becomes garbage when that scope is exited. Experience shows that 989 // the disassembled code is typically about 10x the code size so a fixed buffer 990 // sized to 20x code size plus a fixed amount for header info should be sufficient. 991 int bufferSize = cb->code_size() * 20 + 1024; 992 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize); 993 stringStream st(buffer, bufferSize); 994 if (cb->is_nmethod()) { 995 nmethod* nm = (nmethod*) cb; 996 if (!nm->is_alive()) { 997 return NULL; 998 } 999 } 1000 Disassembler::decode(cb, &st); 1001 if (st.size() <= 0) { 1002 return NULL; 1003 } 1004 1005 JVMCIObject result = JVMCIENV->create_string(st.as_string(), JVMCI_CHECK_NULL); 1006 return JVMCIENV->get_jobject(result); 1007 C2V_END 1008 1009 C2V_VMENTRY_NULL(jobject, getStackTraceElement, (JNIEnv* env, jobject, jobject jvmci_method, int bci)) 1010 HandleMark hm; 1011 1012 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method)); 1013 JVMCIObject element = JVMCIENV->new_StackTraceElement(method, bci, JVMCI_CHECK_NULL); 1014 return JVMCIENV->get_jobject(element); 1015 C2V_END 1016 1017 C2V_VMENTRY_NULL(jobject, executeHotSpotNmethod, (JNIEnv* env, jobject, jobject args, jobject hs_nmethod)) 1018 // The incoming arguments array would have to contain JavaConstants instead of regular objects 1019 // and the return value would have to be wrapped as a JavaConstant. 1020 requireInHotSpot("executeHotSpotNmethod", JVMCI_CHECK_NULL); 1021 1022 HandleMark hm; 1023 1024 JVMCIObject nmethod_mirror = JVMCIENV->wrap(hs_nmethod); 1025 nmethod* nm = JVMCIENV->asNmethod(nmethod_mirror); 1026 if (nm == NULL) { 1027 JVMCI_THROW_NULL(InvalidInstalledCodeException); 1028 } 1029 methodHandle mh(THREAD, nm->method()); 1030 Symbol* signature = mh->signature(); 1031 JavaCallArguments jca(mh->size_of_parameters()); 1032 1033 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static()); 1034 JavaValue result(jap.get_ret_type()); 1035 jca.set_alternative_target(nm); 1036 JavaCalls::call(&result, mh, &jca, CHECK_NULL); 1037 1038 if (jap.get_ret_type() == T_VOID) { 1039 return NULL; 1040 } else if (is_reference_type(jap.get_ret_type())) { 1041 return JNIHandles::make_local((oop) result.get_jobject()); 1042 } else { 1043 jvalue *value = (jvalue *) result.get_value_addr(); 1044 // Narrow the value down if required (Important on big endian machines) 1045 switch (jap.get_ret_type()) { 1046 case T_BOOLEAN: 1047 value->z = (jboolean) value->i; 1048 break; 1049 case T_BYTE: 1050 value->b = (jbyte) value->i; 1051 break; 1052 case T_CHAR: 1053 value->c = (jchar) value->i; 1054 break; 1055 case T_SHORT: 1056 value->s = (jshort) value->i; 1057 break; 1058 default: 1059 break; 1060 } 1061 JVMCIObject o = JVMCIENV->create_box(jap.get_ret_type(), value, JVMCI_CHECK_NULL); 1062 return JVMCIENV->get_jobject(o); 1063 } 1064 C2V_END 1065 1066 C2V_VMENTRY_NULL(jlongArray, getLineNumberTable, (JNIEnv* env, jobject, jobject jvmci_method)) 1067 Method* method = JVMCIENV->asMethod(jvmci_method); 1068 if (!method->has_linenumber_table()) { 1069 return NULL; 1070 } 1071 u2 num_entries = 0; 1072 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table()); 1073 while (streamForSize.read_pair()) { 1074 num_entries++; 1075 } 1076 1077 CompressedLineNumberReadStream stream(method->compressed_linenumber_table()); 1078 JVMCIPrimitiveArray result = JVMCIENV->new_longArray(2 * num_entries, JVMCI_CHECK_NULL); 1079 1080 int i = 0; 1081 jlong value; 1082 while (stream.read_pair()) { 1083 value = ((long) stream.bci()); 1084 JVMCIENV->put_long_at(result, i, value); 1085 value = ((long) stream.line()); 1086 JVMCIENV->put_long_at(result, i + 1, value); 1087 i += 2; 1088 } 1089 1090 return (jlongArray) JVMCIENV->get_jobject(result); 1091 C2V_END 1092 1093 C2V_VMENTRY_0(jlong, getLocalVariableTableStart, (JNIEnv* env, jobject, jobject jvmci_method)) 1094 Method* method = JVMCIENV->asMethod(jvmci_method); 1095 if (!method->has_localvariable_table()) { 1096 return 0; 1097 } 1098 return (jlong) (address) method->localvariable_table_start(); 1099 C2V_END 1100 1101 C2V_VMENTRY_0(jint, getLocalVariableTableLength, (JNIEnv* env, jobject, jobject jvmci_method)) 1102 Method* method = JVMCIENV->asMethod(jvmci_method); 1103 return method->localvariable_table_length(); 1104 C2V_END 1105 1106 C2V_VMENTRY(void, reprofile, (JNIEnv* env, jobject, jobject jvmci_method)) 1107 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method)); 1108 MethodCounters* mcs = method->method_counters(); 1109 if (mcs != NULL) { 1110 mcs->clear_counters(); 1111 } 1112 NOT_PRODUCT(method->set_compiled_invocation_count(0)); 1113 1114 CompiledMethod* code = method->code(); 1115 if (code != NULL) { 1116 code->make_not_entrant(); 1117 } 1118 1119 MethodData* method_data = method->method_data(); 1120 if (method_data == NULL) { 1121 ClassLoaderData* loader_data = method->method_holder()->class_loader_data(); 1122 method_data = MethodData::allocate(loader_data, method, CHECK); 1123 method->set_method_data(method_data); 1124 } else { 1125 method_data->initialize(); 1126 } 1127 C2V_END 1128 1129 1130 C2V_VMENTRY(void, invalidateHotSpotNmethod, (JNIEnv* env, jobject, jobject hs_nmethod)) 1131 JVMCIObject nmethod_mirror = JVMCIENV->wrap(hs_nmethod); 1132 JVMCIENV->invalidate_nmethod_mirror(nmethod_mirror, JVMCI_CHECK); 1133 C2V_END 1134 1135 C2V_VMENTRY_NULL(jobject, readUncompressedOop, (JNIEnv* env, jobject, jlong addr)) 1136 oop ret = RawAccess<>::oop_load((oop*)(address)addr); 1137 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(ret)); 1138 C2V_END 1139 1140 C2V_VMENTRY_NULL(jlongArray, collectCounters, (JNIEnv* env, jobject)) 1141 // Returns a zero length array if counters aren't enabled 1142 JVMCIPrimitiveArray array = JVMCIENV->new_longArray(JVMCICounterSize, JVMCI_CHECK_NULL); 1143 if (JVMCICounterSize > 0) { 1144 jlong* temp_array = NEW_RESOURCE_ARRAY(jlong, JVMCICounterSize); 1145 JavaThread::collect_counters(temp_array, JVMCICounterSize); 1146 JVMCIENV->copy_longs_from(temp_array, array, 0, JVMCICounterSize); 1147 } 1148 return (jlongArray) JVMCIENV->get_jobject(array); 1149 C2V_END 1150 1151 C2V_VMENTRY_0(jint, getCountersSize, (JNIEnv* env, jobject)) 1152 return (jint) JVMCICounterSize; 1153 C2V_END 1154 1155 C2V_VMENTRY(void, setCountersSize, (JNIEnv* env, jobject, jint new_size)) 1156 JavaThread::resize_all_jvmci_counters(new_size); 1157 C2V_END 1158 1159 C2V_VMENTRY_0(jint, allocateCompileId, (JNIEnv* env, jobject, jobject jvmci_method, int entry_bci)) 1160 HandleMark hm; 1161 if (jvmci_method == NULL) { 1162 JVMCI_THROW_0(NullPointerException); 1163 } 1164 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method)); 1165 if (entry_bci >= method->code_size() || entry_bci < -1) { 1166 JVMCI_THROW_MSG_0(IllegalArgumentException, err_msg("Unexpected bci %d", entry_bci)); 1167 } 1168 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci); 1169 C2V_END 1170 1171 1172 C2V_VMENTRY_0(jboolean, isMature, (JNIEnv* env, jobject, jlong metaspace_method_data)) 1173 MethodData* mdo = JVMCIENV->asMethodData(metaspace_method_data); 1174 return mdo != NULL && mdo->is_mature(); 1175 C2V_END 1176 1177 C2V_VMENTRY_0(jboolean, hasCompiledCodeForOSR, (JNIEnv* env, jobject, jobject jvmci_method, int entry_bci, int comp_level)) 1178 Method* method = JVMCIENV->asMethod(jvmci_method); 1179 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL; 1180 C2V_END 1181 1182 C2V_VMENTRY_NULL(jobject, getSymbol, (JNIEnv* env, jobject, jlong symbol)) 1183 JVMCIObject sym = JVMCIENV->create_string((Symbol*)(address)symbol, JVMCI_CHECK_NULL); 1184 return JVMCIENV->get_jobject(sym); 1185 C2V_END 1186 1187 bool matches(jobjectArray methods, Method* method, JVMCIEnv* JVMCIENV) { 1188 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods); 1189 1190 for (int i = 0; i < methods_oop->length(); i++) { 1191 oop resolved = methods_oop->obj_at(i); 1192 if ((resolved->klass() == HotSpotJVMCI::HotSpotResolvedJavaMethodImpl::klass()) && HotSpotJVMCI::asMethod(JVMCIENV, resolved) == method) { 1193 return true; 1194 } 1195 } 1196 return false; 1197 } 1198 1199 void call_interface(JavaValue* result, Klass* spec_klass, Symbol* name, Symbol* signature, JavaCallArguments* args, TRAPS) { 1200 CallInfo callinfo; 1201 Handle receiver = args->receiver(); 1202 Klass* recvrKlass = receiver.is_null() ? (Klass*)NULL : receiver->klass(); 1203 LinkInfo link_info(spec_klass, name, signature); 1204 LinkResolver::resolve_interface_call( 1205 callinfo, receiver, recvrKlass, link_info, true, CHECK); 1206 methodHandle method(THREAD, callinfo.selected_method()); 1207 assert(method.not_null(), "should have thrown exception"); 1208 1209 // Invoke the method 1210 JavaCalls::call(result, method, args, CHECK); 1211 } 1212 1213 C2V_VMENTRY_NULL(jobject, iterateFrames, (JNIEnv* env, jobject compilerToVM, jobjectArray initial_methods, jobjectArray match_methods, jint initialSkip, jobject visitor_handle)) 1214 1215 if (!thread->has_last_Java_frame()) { 1216 return NULL; 1217 } 1218 Handle visitor(THREAD, JNIHandles::resolve_non_null(visitor_handle)); 1219 1220 requireInHotSpot("iterateFrames", JVMCI_CHECK_NULL); 1221 1222 HotSpotJVMCI::HotSpotStackFrameReference::klass()->initialize(CHECK_NULL); 1223 Handle frame_reference = HotSpotJVMCI::HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL); 1224 1225 StackFrameStream fst(thread); 1226 jobjectArray methods = initial_methods; 1227 1228 int frame_number = 0; 1229 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); 1230 1231 while (true) { 1232 // look for the given method 1233 bool realloc_called = false; 1234 while (true) { 1235 StackValueCollection* locals = NULL; 1236 if (vf->is_compiled_frame()) { 1237 // compiled method frame 1238 compiledVFrame* cvf = compiledVFrame::cast(vf); 1239 if (methods == NULL || matches(methods, cvf->method(), JVMCIENV)) { 1240 if (initialSkip > 0) { 1241 initialSkip--; 1242 } else { 1243 ScopeDesc* scope = cvf->scope(); 1244 // native wrappers do not have a scope 1245 if (scope != NULL && scope->objects() != NULL) { 1246 GrowableArray<ScopeValue*>* objects; 1247 if (!realloc_called) { 1248 objects = scope->objects(); 1249 } else { 1250 // some object might already have been re-allocated, only reallocate the non-allocated ones 1251 objects = new GrowableArray<ScopeValue*>(scope->objects()->length()); 1252 for (int i = 0; i < scope->objects()->length(); i++) { 1253 ObjectValue* sv = (ObjectValue*) scope->objects()->at(i); 1254 if (sv->value().is_null()) { 1255 objects->append(sv); 1256 } 1257 } 1258 } 1259 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), fst.register_map(), objects, CHECK_NULL); 1260 Deoptimization::reassign_fields(fst.current(), fst.register_map(), objects, realloc_failures, false); 1261 realloc_called = true; 1262 1263 GrowableArray<ScopeValue*>* local_values = scope->locals(); 1264 assert(local_values != NULL, "NULL locals"); 1265 typeArrayOop array_oop = oopFactory::new_boolArray(local_values->length(), CHECK_NULL); 1266 typeArrayHandle array(THREAD, array_oop); 1267 for (int i = 0; i < local_values->length(); i++) { 1268 ScopeValue* value = local_values->at(i); 1269 if (value->is_object()) { 1270 array->bool_at_put(i, true); 1271 } 1272 } 1273 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), array()); 1274 } else { 1275 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), NULL); 1276 } 1277 1278 locals = cvf->locals(); 1279 HotSpotJVMCI::HotSpotStackFrameReference::set_bci(JVMCIENV, frame_reference(), cvf->bci()); 1280 methodHandle mh(THREAD, cvf->method()); 1281 JVMCIObject method = JVMCIENV->get_jvmci_method(mh, JVMCI_CHECK_NULL); 1282 HotSpotJVMCI::HotSpotStackFrameReference::set_method(JVMCIENV, frame_reference(), JNIHandles::resolve(method.as_jobject())); 1283 } 1284 } 1285 } else if (vf->is_interpreted_frame()) { 1286 // interpreted method frame 1287 interpretedVFrame* ivf = interpretedVFrame::cast(vf); 1288 if (methods == NULL || matches(methods, ivf->method(), JVMCIENV)) { 1289 if (initialSkip > 0) { 1290 initialSkip--; 1291 } else { 1292 locals = ivf->locals(); 1293 HotSpotJVMCI::HotSpotStackFrameReference::set_bci(JVMCIENV, frame_reference(), ivf->bci()); 1294 methodHandle mh(THREAD, ivf->method()); 1295 JVMCIObject method = JVMCIENV->get_jvmci_method(mh, JVMCI_CHECK_NULL); 1296 HotSpotJVMCI::HotSpotStackFrameReference::set_method(JVMCIENV, frame_reference(), JNIHandles::resolve(method.as_jobject())); 1297 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), NULL); 1298 } 1299 } 1300 } 1301 1302 // locals != NULL means that we found a matching frame and result is already partially initialized 1303 if (locals != NULL) { 1304 methods = match_methods; 1305 HotSpotJVMCI::HotSpotStackFrameReference::set_compilerToVM(JVMCIENV, frame_reference(), JNIHandles::resolve(compilerToVM)); 1306 HotSpotJVMCI::HotSpotStackFrameReference::set_stackPointer(JVMCIENV, frame_reference(), (jlong) fst.current()->sp()); 1307 HotSpotJVMCI::HotSpotStackFrameReference::set_frameNumber(JVMCIENV, frame_reference(), frame_number); 1308 1309 // initialize the locals array 1310 objArrayOop array_oop = oopFactory::new_objectArray(locals->size(), CHECK_NULL); 1311 objArrayHandle array(THREAD, array_oop); 1312 for (int i = 0; i < locals->size(); i++) { 1313 StackValue* var = locals->at(i); 1314 if (var->type() == T_OBJECT) { 1315 array->obj_at_put(i, locals->at(i)->get_obj()()); 1316 } 1317 } 1318 HotSpotJVMCI::HotSpotStackFrameReference::set_locals(JVMCIENV, frame_reference(), array()); 1319 HotSpotJVMCI::HotSpotStackFrameReference::set_objectsMaterialized(JVMCIENV, frame_reference(), JNI_FALSE); 1320 1321 JavaValue result(T_OBJECT); 1322 JavaCallArguments args(visitor); 1323 args.push_oop(frame_reference); 1324 call_interface(&result, HotSpotJVMCI::InspectedFrameVisitor::klass(), vmSymbols::visitFrame_name(), vmSymbols::visitFrame_signature(), &args, CHECK_NULL); 1325 if (result.get_jobject() != NULL) { 1326 return JNIHandles::make_local(thread, (oop) result.get_jobject()); 1327 } 1328 assert(initialSkip == 0, "There should be no match before initialSkip == 0"); 1329 if (HotSpotJVMCI::HotSpotStackFrameReference::objectsMaterialized(JVMCIENV, frame_reference()) == JNI_TRUE) { 1330 // the frame has been deoptimized, we need to re-synchronize the frame and vframe 1331 intptr_t* stack_pointer = (intptr_t*) HotSpotJVMCI::HotSpotStackFrameReference::stackPointer(JVMCIENV, frame_reference()); 1332 fst = StackFrameStream(thread); 1333 while (fst.current()->sp() != stack_pointer && !fst.is_done()) { 1334 fst.next(); 1335 } 1336 if (fst.current()->sp() != stack_pointer) { 1337 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt") 1338 } 1339 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); 1340 if (!vf->is_compiled_frame()) { 1341 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected") 1342 } 1343 for (int i = 0; i < frame_number; i++) { 1344 if (vf->is_top()) { 1345 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "vframe not found after deopt") 1346 } 1347 vf = vf->sender(); 1348 assert(vf->is_compiled_frame(), "Wrong frame type"); 1349 } 1350 } 1351 frame_reference = HotSpotJVMCI::HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL); 1352 HotSpotJVMCI::HotSpotStackFrameReference::klass()->initialize(CHECK_NULL); 1353 } 1354 1355 if (vf->is_top()) { 1356 break; 1357 } 1358 frame_number++; 1359 vf = vf->sender(); 1360 } // end of vframe loop 1361 1362 if (fst.is_done()) { 1363 break; 1364 } 1365 fst.next(); 1366 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); 1367 frame_number = 0; 1368 } // end of frame loop 1369 1370 // the end was reached without finding a matching method 1371 return NULL; 1372 C2V_END 1373 1374 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 1375 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); 1376 CallInfo callInfo; 1377 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK); 1378 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index); 1379 cp_cache_entry->set_dynamic_call(cp, callInfo); 1380 C2V_END 1381 1382 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 1383 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); 1384 Klass* holder = cp->klass_ref_at(index, CHECK); 1385 Symbol* name = cp->name_ref_at(index); 1386 if (MethodHandles::is_signature_polymorphic_name(holder, name)) { 1387 CallInfo callInfo; 1388 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK); 1389 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index)); 1390 cp_cache_entry->set_method_handle(cp, callInfo); 1391 } 1392 C2V_END 1393 1394 C2V_VMENTRY_0(jint, isResolvedInvokeHandleInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 1395 constantPoolHandle cp(THREAD, JVMCIENV->asConstantPool(jvmci_constant_pool)); 1396 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index)); 1397 if (cp_cache_entry->is_resolved(Bytecodes::_invokehandle)) { 1398 // MethodHandle.invoke* --> LambdaForm? 1399 ResourceMark rm; 1400 1401 LinkInfo link_info(cp, index, CATCH); 1402 1403 Klass* resolved_klass = link_info.resolved_klass(); 1404 1405 Symbol* name_sym = cp->name_ref_at(index); 1406 1407 vmassert(MethodHandles::is_method_handle_invoke_name(resolved_klass, name_sym), "!"); 1408 vmassert(MethodHandles::is_signature_polymorphic_name(resolved_klass, name_sym), "!"); 1409 1410 methodHandle adapter_method(THREAD, cp_cache_entry->f1_as_method()); 1411 1412 methodHandle resolved_method(adapter_method); 1413 1414 // Can we treat it as a regular invokevirtual? 1415 if (resolved_method->method_holder() == resolved_klass && resolved_method->name() == name_sym) { 1416 vmassert(!resolved_method->is_static(),"!"); 1417 vmassert(MethodHandles::is_signature_polymorphic_method(resolved_method()),"!"); 1418 vmassert(!MethodHandles::is_signature_polymorphic_static(resolved_method->intrinsic_id()), "!"); 1419 vmassert(cp_cache_entry->appendix_if_resolved(cp) == NULL, "!"); 1420 1421 methodHandle m(THREAD, LinkResolver::linktime_resolve_virtual_method_or_null(link_info)); 1422 vmassert(m == resolved_method, "!!"); 1423 return -1; 1424 } 1425 1426 return Bytecodes::_invokevirtual; 1427 } 1428 if (cp_cache_entry->is_resolved(Bytecodes::_invokedynamic)) { 1429 return Bytecodes::_invokedynamic; 1430 } 1431 return -1; 1432 C2V_END 1433 1434 1435 C2V_VMENTRY_NULL(jobject, getSignaturePolymorphicHolders, (JNIEnv* env, jobject)) 1436 JVMCIObjectArray holders = JVMCIENV->new_String_array(2, JVMCI_CHECK_NULL); 1437 JVMCIObject mh = JVMCIENV->create_string("Ljava/lang/invoke/MethodHandle;", JVMCI_CHECK_NULL); 1438 JVMCIObject vh = JVMCIENV->create_string("Ljava/lang/invoke/VarHandle;", JVMCI_CHECK_NULL); 1439 JVMCIENV->put_object_at(holders, 0, mh); 1440 JVMCIENV->put_object_at(holders, 1, vh); 1441 return JVMCIENV->get_jobject(holders); 1442 C2V_END 1443 1444 C2V_VMENTRY_0(jboolean, shouldDebugNonSafepoints, (JNIEnv* env, jobject)) 1445 //see compute_recording_non_safepoints in debugInfroRec.cpp 1446 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) { 1447 return true; 1448 } 1449 return DebugNonSafepoints; 1450 C2V_END 1451 1452 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate); 1453 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv* env, jobject, jobject _hs_frame, bool invalidate)) 1454 JVMCIObject hs_frame = JVMCIENV->wrap(_hs_frame); 1455 if (hs_frame.is_null()) { 1456 JVMCI_THROW_MSG(NullPointerException, "stack frame is null"); 1457 } 1458 1459 requireInHotSpot("materializeVirtualObjects", JVMCI_CHECK); 1460 1461 JVMCIENV->HotSpotStackFrameReference_initialize(JVMCI_CHECK); 1462 1463 // look for the given stack frame 1464 StackFrameStream fst(thread); 1465 intptr_t* stack_pointer = (intptr_t*) JVMCIENV->get_HotSpotStackFrameReference_stackPointer(hs_frame); 1466 while (fst.current()->sp() != stack_pointer && !fst.is_done()) { 1467 fst.next(); 1468 } 1469 if (fst.current()->sp() != stack_pointer) { 1470 JVMCI_THROW_MSG(IllegalStateException, "stack frame not found"); 1471 } 1472 1473 if (invalidate) { 1474 if (!fst.current()->is_compiled_frame()) { 1475 JVMCI_THROW_MSG(IllegalStateException, "compiled stack frame expected"); 1476 } 1477 assert(fst.current()->cb()->is_nmethod(), "nmethod expected"); 1478 ((nmethod*) fst.current()->cb())->make_not_entrant(); 1479 } 1480 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none); 1481 // look for the frame again as it has been updated by deopt (pc, deopt state...) 1482 StackFrameStream fstAfterDeopt(thread); 1483 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) { 1484 fstAfterDeopt.next(); 1485 } 1486 if (fstAfterDeopt.current()->sp() != stack_pointer) { 1487 JVMCI_THROW_MSG(IllegalStateException, "stack frame not found after deopt"); 1488 } 1489 1490 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread); 1491 if (!vf->is_compiled_frame()) { 1492 JVMCI_THROW_MSG(IllegalStateException, "compiled stack frame expected"); 1493 } 1494 1495 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10); 1496 while (true) { 1497 assert(vf->is_compiled_frame(), "Wrong frame type"); 1498 virtualFrames->push(compiledVFrame::cast(vf)); 1499 if (vf->is_top()) { 1500 break; 1501 } 1502 vf = vf->sender(); 1503 } 1504 1505 int last_frame_number = JVMCIENV->get_HotSpotStackFrameReference_frameNumber(hs_frame); 1506 if (last_frame_number >= virtualFrames->length()) { 1507 JVMCI_THROW_MSG(IllegalStateException, "invalid frame number"); 1508 } 1509 1510 // Reallocate the non-escaping objects and restore their fields. 1511 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope"); 1512 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects(); 1513 1514 if (objects == NULL) { 1515 // no objects to materialize 1516 return; 1517 } 1518 1519 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, CHECK); 1520 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false); 1521 1522 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) { 1523 compiledVFrame* cvf = virtualFrames->at(frame_index); 1524 1525 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals(); 1526 StackValueCollection* locals = cvf->locals(); 1527 if (locals != NULL) { 1528 for (int i2 = 0; i2 < locals->size(); i2++) { 1529 StackValue* var = locals->at(i2); 1530 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) { 1531 jvalue val; 1532 val.l = (jobject) locals->at(i2)->get_obj()(); 1533 cvf->update_local(T_OBJECT, i2, val); 1534 } 1535 } 1536 } 1537 1538 GrowableArray<ScopeValue*>* scopeExpressions = cvf->scope()->expressions(); 1539 StackValueCollection* expressions = cvf->expressions(); 1540 if (expressions != NULL) { 1541 for (int i2 = 0; i2 < expressions->size(); i2++) { 1542 StackValue* var = expressions->at(i2); 1543 if (var->type() == T_OBJECT && scopeExpressions->at(i2)->is_object()) { 1544 jvalue val; 1545 val.l = (jobject) expressions->at(i2)->get_obj()(); 1546 cvf->update_stack(T_OBJECT, i2, val); 1547 } 1548 } 1549 } 1550 1551 GrowableArray<MonitorValue*>* scopeMonitors = cvf->scope()->monitors(); 1552 GrowableArray<MonitorInfo*>* monitors = cvf->monitors(); 1553 if (monitors != NULL) { 1554 for (int i2 = 0; i2 < monitors->length(); i2++) { 1555 cvf->update_monitor(i2, monitors->at(i2)); 1556 } 1557 } 1558 } 1559 1560 // all locals are materialized by now 1561 JVMCIENV->set_HotSpotStackFrameReference_localIsVirtual(hs_frame, NULL); 1562 // update the locals array 1563 JVMCIObjectArray array = JVMCIENV->get_HotSpotStackFrameReference_locals(hs_frame); 1564 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals(); 1565 for (int i = 0; i < locals->size(); i++) { 1566 StackValue* var = locals->at(i); 1567 if (var->type() == T_OBJECT) { 1568 JVMCIENV->put_object_at(array, i, HotSpotJVMCI::wrap(locals->at(i)->get_obj()())); 1569 } 1570 } 1571 HotSpotJVMCI::HotSpotStackFrameReference::set_objectsMaterialized(JVMCIENV, hs_frame, JNI_TRUE); 1572 C2V_END 1573 1574 // Creates a scope where the current thread is attached and detached 1575 // from HotSpot if it wasn't already attached when entering the scope. 1576 extern "C" void jio_printf(const char *fmt, ...); 1577 class AttachDetach : public StackObj { 1578 public: 1579 bool _attached; 1580 AttachDetach(JNIEnv* env, Thread* current_thread) { 1581 if (current_thread == NULL) { 1582 extern struct JavaVM_ main_vm; 1583 JNIEnv* hotspotEnv; 1584 jint res = main_vm.AttachCurrentThread((void**)&hotspotEnv, NULL); 1585 _attached = res == JNI_OK; 1586 static volatile int report_attach_error = 0; 1587 if (res != JNI_OK && report_attach_error == 0 && Atomic::cmpxchg(1, &report_attach_error, 0) == 0) { 1588 // Only report an attach error once 1589 jio_printf("Warning: attaching current thread to VM failed with %d (future attach errors are suppressed)\n", res); 1590 } 1591 } else { 1592 _attached = false; 1593 } 1594 } 1595 ~AttachDetach() { 1596 if (_attached && get_current_thread() != NULL) { 1597 extern struct JavaVM_ main_vm; 1598 jint res = main_vm.DetachCurrentThread(); 1599 static volatile int report_detach_error = 0; 1600 if (res != JNI_OK && report_detach_error == 0 && Atomic::cmpxchg(1, &report_detach_error, 0) == 0) { 1601 // Only report an attach error once 1602 jio_printf("Warning: detaching current thread from VM failed with %d (future attach errors are suppressed)\n", res); 1603 } 1604 } 1605 } 1606 }; 1607 1608 C2V_VMENTRY_PREFIX(jint, writeDebugOutput, (JNIEnv* env, jobject, jbyteArray bytes, jint offset, jint length, bool flush, bool can_throw)) 1609 AttachDetach ad(env, base_thread); 1610 bool use_tty = true; 1611 if (base_thread == NULL) { 1612 if (!ad._attached) { 1613 // Can only use tty if the current thread is attached 1614 return 0; 1615 } 1616 base_thread = get_current_thread(); 1617 } 1618 JVMCITraceMark jtm("writeDebugOutput"); 1619 assert(base_thread->is_Java_thread(), "just checking"); 1620 JavaThread* thread = (JavaThread*) base_thread; 1621 C2V_BLOCK(void, writeDebugOutput, (JNIEnv* env, jobject, jbyteArray bytes, jint offset, jint length)) 1622 if (bytes == NULL) { 1623 if (can_throw) { 1624 JVMCI_THROW_0(NullPointerException); 1625 } 1626 return -1; 1627 } 1628 JVMCIPrimitiveArray array = JVMCIENV->wrap(bytes); 1629 1630 // Check if offset and length are non negative. 1631 if (offset < 0 || length < 0) { 1632 if (can_throw) { 1633 JVMCI_THROW_0(ArrayIndexOutOfBoundsException); 1634 } 1635 return -2; 1636 } 1637 // Check if the range is valid. 1638 int array_length = JVMCIENV->get_length(array); 1639 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array_length)) { 1640 if (can_throw) { 1641 JVMCI_THROW_0(ArrayIndexOutOfBoundsException); 1642 } 1643 return -2; 1644 } 1645 jbyte buffer[O_BUFLEN]; 1646 while (length > 0) { 1647 int copy_len = MIN2(length, (jint)O_BUFLEN); 1648 JVMCIENV->copy_bytes_to(array, buffer, offset, copy_len); 1649 tty->write((char*) buffer, copy_len); 1650 length -= O_BUFLEN; 1651 offset += O_BUFLEN; 1652 } 1653 if (flush) { 1654 tty->flush(); 1655 } 1656 return 0; 1657 C2V_END 1658 1659 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv* env, jobject)) 1660 tty->flush(); 1661 C2V_END 1662 1663 C2V_VMENTRY_0(jint, methodDataProfileDataSize, (JNIEnv* env, jobject, jlong metaspace_method_data, jint position)) 1664 MethodData* mdo = JVMCIENV->asMethodData(metaspace_method_data); 1665 ProfileData* profile_data = mdo->data_at(position); 1666 if (mdo->is_valid(profile_data)) { 1667 return profile_data->size_in_bytes(); 1668 } 1669 DataLayout* data = mdo->extra_data_base(); 1670 DataLayout* end = mdo->extra_data_limit(); 1671 for (;; data = mdo->next_extra(data)) { 1672 assert(data < end, "moved past end of extra data"); 1673 profile_data = data->data_in(); 1674 if (mdo->dp_to_di(profile_data->dp()) == position) { 1675 return profile_data->size_in_bytes(); 1676 } 1677 } 1678 JVMCI_THROW_MSG_0(IllegalArgumentException, err_msg("Invalid profile data position %d", position)); 1679 C2V_END 1680 1681 C2V_VMENTRY_0(jlong, getFingerprint, (JNIEnv* env, jobject, jlong metaspace_klass)) 1682 #if INCLUDE_AOT 1683 Klass *k = (Klass*) (address) metaspace_klass; 1684 if (k->is_instance_klass()) { 1685 return InstanceKlass::cast(k)->get_stored_fingerprint(); 1686 } else { 1687 return 0; 1688 } 1689 #else 1690 JVMCI_THROW_MSG_0(InternalError, "unimplemented"); 1691 #endif 1692 C2V_END 1693 1694 C2V_VMENTRY_NULL(jobject, getHostClass, (JNIEnv* env, jobject, jobject jvmci_type)) 1695 InstanceKlass* k = InstanceKlass::cast(JVMCIENV->asKlass(jvmci_type)); 1696 InstanceKlass* host = k->unsafe_anonymous_host(); 1697 JVMCIKlassHandle handle(THREAD, host); 1698 JVMCIObject result = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL); 1699 return JVMCIENV->get_jobject(result); 1700 C2V_END 1701 1702 C2V_VMENTRY_NULL(jobject, getInterfaces, (JNIEnv* env, jobject, jobject jvmci_type)) 1703 if (jvmci_type == NULL) { 1704 JVMCI_THROW_0(NullPointerException); 1705 } 1706 1707 Klass* klass = JVMCIENV->asKlass(jvmci_type); 1708 if (klass == NULL) { 1709 JVMCI_THROW_0(NullPointerException); 1710 } 1711 if (!klass->is_instance_klass()) { 1712 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be instance klass", klass->external_name())); 1713 } 1714 InstanceKlass* iklass = InstanceKlass::cast(klass); 1715 1716 // Regular instance klass, fill in all local interfaces 1717 int size = iklass->local_interfaces()->length(); 1718 JVMCIObjectArray interfaces = JVMCIENV->new_HotSpotResolvedObjectTypeImpl_array(size, JVMCI_CHECK_NULL); 1719 for (int index = 0; index < size; index++) { 1720 JVMCIKlassHandle klass(THREAD); 1721 Klass* k = iklass->local_interfaces()->at(index); 1722 klass = k; 1723 JVMCIObject type = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL); 1724 JVMCIENV->put_object_at(interfaces, index, type); 1725 } 1726 return JVMCIENV->get_jobject(interfaces); 1727 C2V_END 1728 1729 C2V_VMENTRY_NULL(jobject, getComponentType, (JNIEnv* env, jobject, jobject jvmci_type)) 1730 if (jvmci_type == NULL) { 1731 JVMCI_THROW_0(NullPointerException); 1732 } 1733 1734 Klass* klass = JVMCIENV->asKlass(jvmci_type); 1735 oop mirror = klass->java_mirror(); 1736 if (java_lang_Class::is_primitive(mirror) || 1737 !java_lang_Class::as_Klass(mirror)->is_array_klass()) { 1738 return NULL; 1739 } 1740 1741 oop component_mirror = java_lang_Class::component_mirror(mirror); 1742 if (component_mirror == NULL) { 1743 return NULL; 1744 } 1745 Klass* component_klass = java_lang_Class::as_Klass(component_mirror); 1746 if (component_klass != NULL) { 1747 JVMCIKlassHandle klass_handle(THREAD); 1748 klass_handle = component_klass; 1749 JVMCIObject result = JVMCIENV->get_jvmci_type(klass_handle, JVMCI_CHECK_NULL); 1750 return JVMCIENV->get_jobject(result); 1751 } 1752 BasicType type = java_lang_Class::primitive_type(component_mirror); 1753 JVMCIObject result = JVMCIENV->get_jvmci_primitive_type(type); 1754 return JVMCIENV->get_jobject(result); 1755 C2V_END 1756 1757 C2V_VMENTRY(void, ensureInitialized, (JNIEnv* env, jobject, jobject jvmci_type)) 1758 if (jvmci_type == NULL) { 1759 JVMCI_THROW(NullPointerException); 1760 } 1761 1762 Klass* klass = JVMCIENV->asKlass(jvmci_type); 1763 if (klass != NULL && klass->should_be_initialized()) { 1764 InstanceKlass* k = InstanceKlass::cast(klass); 1765 k->initialize(CHECK); 1766 } 1767 C2V_END 1768 1769 C2V_VMENTRY_0(jint, interpreterFrameSize, (JNIEnv* env, jobject, jobject bytecode_frame_handle)) 1770 if (bytecode_frame_handle == NULL) { 1771 JVMCI_THROW_0(NullPointerException); 1772 } 1773 1774 JVMCIObject top_bytecode_frame = JVMCIENV->wrap(bytecode_frame_handle); 1775 JVMCIObject bytecode_frame = top_bytecode_frame; 1776 int size = 0; 1777 int callee_parameters = 0; 1778 int callee_locals = 0; 1779 Method* method = JVMCIENV->asMethod(JVMCIENV->get_BytecodePosition_method(bytecode_frame)); 1780 int extra_args = method->max_stack() - JVMCIENV->get_BytecodeFrame_numStack(bytecode_frame); 1781 1782 while (bytecode_frame.is_non_null()) { 1783 int locks = JVMCIENV->get_BytecodeFrame_numLocks(bytecode_frame); 1784 int temps = JVMCIENV->get_BytecodeFrame_numStack(bytecode_frame); 1785 bool is_top_frame = (JVMCIENV->equals(bytecode_frame, top_bytecode_frame)); 1786 Method* method = JVMCIENV->asMethod(JVMCIENV->get_BytecodePosition_method(bytecode_frame)); 1787 1788 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(), 1789 temps + callee_parameters, 1790 extra_args, 1791 locks, 1792 callee_parameters, 1793 callee_locals, 1794 is_top_frame); 1795 size += frame_size; 1796 1797 callee_parameters = method->size_of_parameters(); 1798 callee_locals = method->max_locals(); 1799 extra_args = 0; 1800 bytecode_frame = JVMCIENV->get_BytecodePosition_caller(bytecode_frame); 1801 } 1802 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord; 1803 C2V_END 1804 1805 C2V_VMENTRY(void, compileToBytecode, (JNIEnv* env, jobject, jobject lambda_form_handle)) 1806 Handle lambda_form = JVMCIENV->asConstant(JVMCIENV->wrap(lambda_form_handle), JVMCI_CHECK); 1807 if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) { 1808 TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode"); 1809 JavaValue result(T_VOID); 1810 JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK); 1811 } else { 1812 JVMCI_THROW_MSG(IllegalArgumentException, 1813 err_msg("Unexpected type: %s", lambda_form->klass()->external_name())) 1814 } 1815 C2V_END 1816 1817 C2V_VMENTRY_0(jint, getIdentityHashCode, (JNIEnv* env, jobject, jobject object)) 1818 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0); 1819 return obj->identity_hash(); 1820 C2V_END 1821 1822 C2V_VMENTRY_0(jboolean, isInternedString, (JNIEnv* env, jobject, jobject object)) 1823 Handle str = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0); 1824 if (!java_lang_String::is_instance(str())) { 1825 return false; 1826 } 1827 int len; 1828 jchar* name = java_lang_String::as_unicode_string(str(), len, CHECK_0); 1829 return (StringTable::lookup(name, len) != NULL); 1830 C2V_END 1831 1832 1833 C2V_VMENTRY_NULL(jobject, unboxPrimitive, (JNIEnv* env, jobject, jobject object)) 1834 if (object == NULL) { 1835 JVMCI_THROW_0(NullPointerException); 1836 } 1837 Handle box = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL); 1838 BasicType type = java_lang_boxing_object::basic_type(box()); 1839 jvalue result; 1840 if (java_lang_boxing_object::get_value(box(), &result) == T_ILLEGAL) { 1841 return NULL; 1842 } 1843 JVMCIObject boxResult = JVMCIENV->create_box(type, &result, JVMCI_CHECK_NULL); 1844 return JVMCIENV->get_jobject(boxResult); 1845 C2V_END 1846 1847 C2V_VMENTRY_NULL(jobject, boxPrimitive, (JNIEnv* env, jobject, jobject object)) 1848 if (object == NULL) { 1849 JVMCI_THROW_0(NullPointerException); 1850 } 1851 JVMCIObject box = JVMCIENV->wrap(object); 1852 BasicType type = JVMCIENV->get_box_type(box); 1853 if (type == T_ILLEGAL) { 1854 return NULL; 1855 } 1856 jvalue value = JVMCIENV->get_boxed_value(type, box); 1857 JavaValue box_result(T_OBJECT); 1858 JavaCallArguments jargs; 1859 Klass* box_klass = NULL; 1860 Symbol* box_signature = NULL; 1861 #define BOX_CASE(bt, v, argtype, name) \ 1862 case bt: \ 1863 jargs.push_##argtype(value.v); \ 1864 box_klass = SystemDictionary::name##_klass(); \ 1865 box_signature = vmSymbols::name##_valueOf_signature(); \ 1866 break 1867 1868 switch (type) { 1869 BOX_CASE(T_BOOLEAN, z, int, Boolean); 1870 BOX_CASE(T_BYTE, b, int, Byte); 1871 BOX_CASE(T_CHAR, c, int, Character); 1872 BOX_CASE(T_SHORT, s, int, Short); 1873 BOX_CASE(T_INT, i, int, Integer); 1874 BOX_CASE(T_LONG, j, long, Long); 1875 BOX_CASE(T_FLOAT, f, float, Float); 1876 BOX_CASE(T_DOUBLE, d, double, Double); 1877 default: 1878 ShouldNotReachHere(); 1879 } 1880 #undef BOX_CASE 1881 1882 JavaCalls::call_static(&box_result, 1883 box_klass, 1884 vmSymbols::valueOf_name(), 1885 box_signature, &jargs, CHECK_NULL); 1886 oop hotspot_box = (oop) box_result.get_jobject(); 1887 JVMCIObject result = JVMCIENV->get_object_constant(hotspot_box, false); 1888 return JVMCIENV->get_jobject(result); 1889 C2V_END 1890 1891 C2V_VMENTRY_NULL(jobjectArray, getDeclaredConstructors, (JNIEnv* env, jobject, jobject holder)) 1892 if (holder == NULL) { 1893 JVMCI_THROW_0(NullPointerException); 1894 } 1895 Klass* klass = JVMCIENV->asKlass(holder); 1896 if (!klass->is_instance_klass()) { 1897 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL); 1898 return JVMCIENV->get_jobjectArray(methods); 1899 } 1900 1901 InstanceKlass* iklass = InstanceKlass::cast(klass); 1902 // Ensure class is linked 1903 iklass->link_class(CHECK_NULL); 1904 1905 GrowableArray<Method*> constructors_array; 1906 for (int i = 0; i < iklass->methods()->length(); i++) { 1907 Method* m = iklass->methods()->at(i); 1908 if (m->is_initializer() && !m->is_static()) { 1909 constructors_array.append(m); 1910 } 1911 } 1912 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(constructors_array.length(), JVMCI_CHECK_NULL); 1913 for (int i = 0; i < constructors_array.length(); i++) { 1914 methodHandle ctor(THREAD, constructors_array.at(i)); 1915 JVMCIObject method = JVMCIENV->get_jvmci_method(ctor, JVMCI_CHECK_NULL); 1916 JVMCIENV->put_object_at(methods, i, method); 1917 } 1918 return JVMCIENV->get_jobjectArray(methods); 1919 C2V_END 1920 1921 C2V_VMENTRY_NULL(jobjectArray, getDeclaredMethods, (JNIEnv* env, jobject, jobject holder)) 1922 if (holder == NULL) { 1923 JVMCI_THROW_0(NullPointerException); 1924 } 1925 Klass* klass = JVMCIENV->asKlass(holder); 1926 if (!klass->is_instance_klass()) { 1927 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL); 1928 return JVMCIENV->get_jobjectArray(methods); 1929 } 1930 1931 InstanceKlass* iklass = InstanceKlass::cast(klass); 1932 // Ensure class is linked 1933 iklass->link_class(CHECK_NULL); 1934 1935 GrowableArray<Method*> methods_array; 1936 for (int i = 0; i < iklass->methods()->length(); i++) { 1937 Method* m = iklass->methods()->at(i); 1938 if (!m->is_initializer() && !m->is_overpass()) { 1939 methods_array.append(m); 1940 } 1941 } 1942 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(methods_array.length(), JVMCI_CHECK_NULL); 1943 for (int i = 0; i < methods_array.length(); i++) { 1944 methodHandle mh(THREAD, methods_array.at(i)); 1945 JVMCIObject method = JVMCIENV->get_jvmci_method(mh, JVMCI_CHECK_NULL); 1946 JVMCIENV->put_object_at(methods, i, method); 1947 } 1948 return JVMCIENV->get_jobjectArray(methods); 1949 C2V_END 1950 1951 C2V_VMENTRY_NULL(jobject, readFieldValue, (JNIEnv* env, jobject, jobject object, jobject field, jboolean is_volatile)) 1952 if (object == NULL || field == NULL) { 1953 JVMCI_THROW_0(NullPointerException); 1954 } 1955 JVMCIObject field_object = JVMCIENV->wrap(field); 1956 JVMCIObject java_type = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_type(field_object); 1957 int modifiers = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_modifiers(field_object); 1958 Klass* holder = JVMCIENV->asKlass(JVMCIENV->get_HotSpotResolvedJavaFieldImpl_holder(field_object)); 1959 if (!holder->is_instance_klass()) { 1960 JVMCI_THROW_MSG_0(InternalError, err_msg("Holder %s must be instance klass", holder->external_name())); 1961 } 1962 InstanceKlass* ik = InstanceKlass::cast(holder); 1963 BasicType constant_type; 1964 if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(java_type)) { 1965 constant_type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(java_type), JVMCI_CHECK_NULL); 1966 } else { 1967 constant_type = T_OBJECT; 1968 } 1969 int displacement = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_offset(field_object); 1970 fieldDescriptor fd; 1971 if (!ik->find_local_field_from_offset(displacement, (modifiers & JVM_ACC_STATIC) != 0, &fd)) { 1972 JVMCI_THROW_MSG_0(InternalError, err_msg("Can't find field with displacement %d", displacement)); 1973 } 1974 JVMCIObject base = JVMCIENV->wrap(object); 1975 Handle obj; 1976 if (JVMCIENV->isa_HotSpotObjectConstantImpl(base)) { 1977 obj = JVMCIENV->asConstant(base, JVMCI_CHECK_NULL); 1978 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base)) { 1979 Klass* klass = JVMCIENV->asKlass(base); 1980 obj = Handle(THREAD, klass->java_mirror()); 1981 } else { 1982 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 1983 err_msg("Unexpected type: %s", JVMCIENV->klass_name(base))); 1984 } 1985 jlong value = 0; 1986 JVMCIObject kind; 1987 switch (constant_type) { 1988 case T_OBJECT: { 1989 oop object = is_volatile ? obj->obj_field_acquire(displacement) : obj->obj_field(displacement); 1990 JVMCIObject result = JVMCIENV->get_object_constant(object); 1991 if (result.is_null()) { 1992 return JVMCIENV->get_jobject(JVMCIENV->get_JavaConstant_NULL_POINTER()); 1993 } 1994 return JVMCIENV->get_jobject(result); 1995 } 1996 case T_FLOAT: { 1997 float f = is_volatile ? obj->float_field_acquire(displacement) : obj->float_field(displacement); 1998 JVMCIObject result = JVMCIENV->call_JavaConstant_forFloat(f, JVMCI_CHECK_NULL); 1999 return JVMCIENV->get_jobject(result); 2000 } 2001 case T_DOUBLE: { 2002 double f = is_volatile ? obj->double_field_acquire(displacement) : obj->double_field(displacement); 2003 JVMCIObject result = JVMCIENV->call_JavaConstant_forDouble(f, JVMCI_CHECK_NULL); 2004 return JVMCIENV->get_jobject(result); 2005 } 2006 case T_BOOLEAN: value = is_volatile ? obj->bool_field_acquire(displacement) : obj->bool_field(displacement); break; 2007 case T_BYTE: value = is_volatile ? obj->byte_field_acquire(displacement) : obj->byte_field(displacement); break; 2008 case T_SHORT: value = is_volatile ? obj->short_field_acquire(displacement) : obj->short_field(displacement); break; 2009 case T_CHAR: value = is_volatile ? obj->char_field_acquire(displacement) : obj->char_field(displacement); break; 2010 case T_INT: value = is_volatile ? obj->int_field_acquire(displacement) : obj->int_field(displacement); break; 2011 case T_LONG: value = is_volatile ? obj->long_field_acquire(displacement) : obj->long_field(displacement); break; 2012 default: 2013 ShouldNotReachHere(); 2014 } 2015 JVMCIObject result = JVMCIENV->call_PrimitiveConstant_forTypeChar(type2char(constant_type), value, JVMCI_CHECK_NULL); 2016 return JVMCIENV->get_jobject(result); 2017 C2V_END 2018 2019 C2V_VMENTRY_0(jboolean, isInstance, (JNIEnv* env, jobject, jobject holder, jobject object)) 2020 if (object == NULL || holder == NULL) { 2021 JVMCI_THROW_0(NullPointerException); 2022 } 2023 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0); 2024 Klass* klass = JVMCIENV->asKlass(JVMCIENV->wrap(holder)); 2025 return obj->is_a(klass); 2026 C2V_END 2027 2028 C2V_VMENTRY_0(jboolean, isAssignableFrom, (JNIEnv* env, jobject, jobject holder, jobject otherHolder)) 2029 if (holder == NULL || otherHolder == NULL) { 2030 JVMCI_THROW_0(NullPointerException); 2031 } 2032 Klass* klass = JVMCIENV->asKlass(JVMCIENV->wrap(holder)); 2033 Klass* otherKlass = JVMCIENV->asKlass(JVMCIENV->wrap(otherHolder)); 2034 return otherKlass->is_subtype_of(klass); 2035 C2V_END 2036 2037 C2V_VMENTRY_0(jboolean, isTrustedForIntrinsics, (JNIEnv* env, jobject, jobject holder)) 2038 if (holder == NULL) { 2039 JVMCI_THROW_0(NullPointerException); 2040 } 2041 InstanceKlass* ik = InstanceKlass::cast(JVMCIENV->asKlass(JVMCIENV->wrap(holder))); 2042 if (ik->class_loader_data()->is_boot_class_loader_data() || ik->class_loader_data()->is_platform_class_loader_data()) { 2043 return true; 2044 } 2045 return false; 2046 C2V_END 2047 2048 C2V_VMENTRY_NULL(jobject, asJavaType, (JNIEnv* env, jobject, jobject object)) 2049 if (object == NULL) { 2050 JVMCI_THROW_0(NullPointerException); 2051 } 2052 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL); 2053 if (java_lang_Class::is_instance(obj())) { 2054 if (java_lang_Class::is_primitive(obj())) { 2055 JVMCIObject type = JVMCIENV->get_jvmci_primitive_type(java_lang_Class::primitive_type(obj())); 2056 return JVMCIENV->get_jobject(type); 2057 } 2058 Klass* klass = java_lang_Class::as_Klass(obj()); 2059 JVMCIKlassHandle klass_handle(THREAD); 2060 klass_handle = klass; 2061 JVMCIObject type = JVMCIENV->get_jvmci_type(klass_handle, JVMCI_CHECK_NULL); 2062 return JVMCIENV->get_jobject(type); 2063 } 2064 return NULL; 2065 C2V_END 2066 2067 2068 C2V_VMENTRY_NULL(jobject, asString, (JNIEnv* env, jobject, jobject object)) 2069 if (object == NULL) { 2070 JVMCI_THROW_0(NullPointerException); 2071 } 2072 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL); 2073 const char* str = java_lang_String::as_utf8_string(obj()); 2074 JVMCIObject result = JVMCIENV->create_string(str, JVMCI_CHECK_NULL); 2075 return JVMCIENV->get_jobject(result); 2076 C2V_END 2077 2078 2079 C2V_VMENTRY_0(jboolean, equals, (JNIEnv* env, jobject, jobject x, jlong xHandle, jobject y, jlong yHandle)) 2080 if (x == NULL || y == NULL) { 2081 JVMCI_THROW_0(NullPointerException); 2082 } 2083 return JVMCIENV->resolve_handle(xHandle) == JVMCIENV->resolve_handle(yHandle); 2084 C2V_END 2085 2086 C2V_VMENTRY_NULL(jobject, getJavaMirror, (JNIEnv* env, jobject, jobject object)) 2087 if (object == NULL) { 2088 JVMCI_THROW_0(NullPointerException); 2089 } 2090 JVMCIObject base_object = JVMCIENV->wrap(object); 2091 Handle mirror; 2092 if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base_object)) { 2093 mirror = Handle(THREAD, JVMCIENV->asKlass(base_object)->java_mirror()); 2094 } else if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(base_object)) { 2095 mirror = JVMCIENV->asConstant(JVMCIENV->get_HotSpotResolvedPrimitiveType_mirror(base_object), JVMCI_CHECK_NULL); 2096 } else { 2097 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 2098 err_msg("Unexpected type: %s", JVMCIENV->klass_name(base_object))); 2099 } 2100 JVMCIObject result = JVMCIENV->get_object_constant(mirror()); 2101 return JVMCIENV->get_jobject(result); 2102 C2V_END 2103 2104 2105 C2V_VMENTRY_0(jint, getArrayLength, (JNIEnv* env, jobject, jobject x)) 2106 if (x == NULL) { 2107 JVMCI_THROW_0(NullPointerException); 2108 } 2109 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0); 2110 if (xobj->klass()->is_array_klass()) { 2111 return arrayOop(xobj())->length(); 2112 } 2113 return -1; 2114 C2V_END 2115 2116 2117 C2V_VMENTRY_NULL(jobject, readArrayElement, (JNIEnv* env, jobject, jobject x, int index)) 2118 if (x == NULL) { 2119 JVMCI_THROW_0(NullPointerException); 2120 } 2121 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_NULL); 2122 if (xobj->klass()->is_array_klass()) { 2123 arrayOop array = arrayOop(xobj()); 2124 BasicType element_type = ArrayKlass::cast(array->klass())->element_type(); 2125 if (index < 0 || index >= array->length()) { 2126 return NULL; 2127 } 2128 JVMCIObject result; 2129 2130 if (element_type == T_OBJECT) { 2131 result = JVMCIENV->get_object_constant(objArrayOop(xobj())->obj_at(index)); 2132 if (result.is_null()) { 2133 result = JVMCIENV->get_JavaConstant_NULL_POINTER(); 2134 } 2135 } else { 2136 jvalue value; 2137 switch (element_type) { 2138 case T_DOUBLE: value.d = typeArrayOop(xobj())->double_at(index); break; 2139 case T_FLOAT: value.f = typeArrayOop(xobj())->float_at(index); break; 2140 case T_LONG: value.j = typeArrayOop(xobj())->long_at(index); break; 2141 case T_INT: value.i = typeArrayOop(xobj())->int_at(index); break; 2142 case T_SHORT: value.s = typeArrayOop(xobj())->short_at(index); break; 2143 case T_CHAR: value.c = typeArrayOop(xobj())->char_at(index); break; 2144 case T_BYTE: value.b = typeArrayOop(xobj())->byte_at(index); break; 2145 case T_BOOLEAN: value.z = typeArrayOop(xobj())->byte_at(index) & 1; break; 2146 default: ShouldNotReachHere(); 2147 } 2148 result = JVMCIENV->create_box(element_type, &value, JVMCI_CHECK_NULL); 2149 } 2150 assert(!result.is_null(), "must have a value"); 2151 return JVMCIENV->get_jobject(result); 2152 } 2153 return NULL;; 2154 C2V_END 2155 2156 2157 C2V_VMENTRY_0(jint, arrayBaseOffset, (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 arrayOopDesc::header_size(type) * HeapWordSize; 2163 C2V_END 2164 2165 C2V_VMENTRY_0(jint, arrayIndexScale, (JNIEnv* env, jobject, jobject kind)) 2166 if (kind == NULL) { 2167 JVMCI_THROW_0(NullPointerException); 2168 } 2169 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->wrap(kind), JVMCI_CHECK_0); 2170 return type2aelembytes(type); 2171 C2V_END 2172 2173 C2V_VMENTRY_0(jbyte, getByte, (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->byte_field(displacement); 2179 } 2180 2181 C2V_VMENTRY_0(jshort, getShort, (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->short_field(displacement); 2187 } 2188 2189 C2V_VMENTRY_0(jint, getInt, (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->int_field(displacement); 2195 } 2196 2197 C2V_VMENTRY_0(jlong, getLong, (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 return xobj->long_field(displacement); 2203 } 2204 2205 C2V_VMENTRY_NULL(jobject, getObject, (JNIEnv* env, jobject, jobject x, long displacement)) 2206 if (x == NULL) { 2207 JVMCI_THROW_0(NullPointerException); 2208 } 2209 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0); 2210 oop res = xobj->obj_field(displacement); 2211 JVMCIObject result = JVMCIENV->get_object_constant(res); 2212 return JVMCIENV->get_jobject(result); 2213 } 2214 2215 C2V_VMENTRY(void, deleteGlobalHandle, (JNIEnv* env, jobject, jlong h)) 2216 jobject handle = (jobject)(address)h; 2217 if (handle != NULL) { 2218 JVMCI::destroy_global(handle); 2219 } 2220 } 2221 2222 static void requireJVMCINativeLibrary(JVMCI_TRAPS) { 2223 if (!UseJVMCINativeLibrary) { 2224 JVMCI_THROW_MSG(UnsupportedOperationException, "JVMCI shared library is not enabled (requires -XX:+UseJVMCINativeLibrary)"); 2225 } 2226 } 2227 2228 static JavaVM* requireNativeLibraryJavaVM(const char* caller, JVMCI_TRAPS) { 2229 JavaVM* javaVM = JVMCIEnv::get_shared_library_javavm(); 2230 if (javaVM == NULL) { 2231 JVMCI_THROW_MSG_NULL(IllegalStateException, err_msg("Require JVMCI shared library to be initialized in %s", caller)); 2232 } 2233 return javaVM; 2234 } 2235 2236 C2V_VMENTRY_NULL(jlongArray, registerNativeMethods, (JNIEnv* env, jobject, jclass mirror)) 2237 requireJVMCINativeLibrary(JVMCI_CHECK_NULL); 2238 requireInHotSpot("registerNativeMethods", JVMCI_CHECK_NULL); 2239 void* shared_library = JVMCIEnv::get_shared_library_handle(); 2240 if (shared_library == NULL) { 2241 // Ensure the JVMCI shared library runtime is initialized. 2242 JVMCIEnv __peer_jvmci_env__(thread, false, __FILE__, __LINE__); 2243 JVMCIEnv* peerEnv = &__peer_jvmci_env__; 2244 HandleMark hm; 2245 JVMCIRuntime* runtime = JVMCI::compiler_runtime(); 2246 JVMCIObject receiver = runtime->get_HotSpotJVMCIRuntime(peerEnv); 2247 if (peerEnv->has_pending_exception()) { 2248 peerEnv->describe_pending_exception(true); 2249 } 2250 shared_library = JVMCIEnv::get_shared_library_handle(); 2251 if (shared_library == NULL) { 2252 JVMCI_THROW_MSG_0(InternalError, "Error initializing JVMCI runtime"); 2253 } 2254 } 2255 2256 if (mirror == NULL) { 2257 JVMCI_THROW_0(NullPointerException); 2258 } 2259 Klass* klass = java_lang_Class::as_Klass(JNIHandles::resolve(mirror)); 2260 if (klass == NULL || !klass->is_instance_klass()) { 2261 JVMCI_THROW_MSG_0(IllegalArgumentException, "clazz is for primitive type"); 2262 } 2263 2264 InstanceKlass* iklass = InstanceKlass::cast(klass); 2265 for (int i = 0; i < iklass->methods()->length(); i++) { 2266 methodHandle method(THREAD, iklass->methods()->at(i)); 2267 if (method->is_native()) { 2268 2269 // Compute argument size 2270 int args_size = 1 // JNIEnv 2271 + (method->is_static() ? 1 : 0) // class for static methods 2272 + method->size_of_parameters(); // actual parameters 2273 2274 // 1) Try JNI short style 2275 stringStream st; 2276 char* pure_name = NativeLookup::pure_jni_name(method); 2277 os::print_jni_name_prefix_on(&st, args_size); 2278 st.print_raw(pure_name); 2279 os::print_jni_name_suffix_on(&st, args_size); 2280 char* jni_name = st.as_string(); 2281 2282 address entry = (address) os::dll_lookup(shared_library, jni_name); 2283 if (entry == NULL) { 2284 // 2) Try JNI long style 2285 st.reset(); 2286 char* long_name = NativeLookup::long_jni_name(method); 2287 os::print_jni_name_prefix_on(&st, args_size); 2288 st.print_raw(pure_name); 2289 st.print_raw(long_name); 2290 os::print_jni_name_suffix_on(&st, args_size); 2291 char* jni_long_name = st.as_string(); 2292 entry = (address) os::dll_lookup(shared_library, jni_long_name); 2293 if (entry == NULL) { 2294 JVMCI_THROW_MSG_0(UnsatisfiedLinkError, err_msg("%s [neither %s nor %s exist in %s]", 2295 method->name_and_sig_as_C_string(), 2296 jni_name, jni_long_name, JVMCIEnv::get_shared_library_path())); 2297 } 2298 } 2299 2300 if (method->has_native_function() && entry != method->native_function()) { 2301 JVMCI_THROW_MSG_0(UnsatisfiedLinkError, err_msg("%s [cannot re-link from " PTR_FORMAT " to " PTR_FORMAT "]", 2302 method->name_and_sig_as_C_string(), p2i(method->native_function()), p2i(entry))); 2303 } 2304 method->set_native_function(entry, Method::native_bind_event_is_interesting); 2305 if (PrintJNIResolving) { 2306 tty->print_cr("[Dynamic-linking native method %s.%s ... JNI]", 2307 method->method_holder()->external_name(), 2308 method->name()->as_C_string()); 2309 } 2310 } 2311 } 2312 2313 JavaVM* javaVM = JVMCIEnv::get_shared_library_javavm(); 2314 JVMCIPrimitiveArray result = JVMCIENV->new_longArray(4, JVMCI_CHECK_NULL); 2315 JVMCIENV->put_long_at(result, 0, (jlong) (address) javaVM); 2316 JVMCIENV->put_long_at(result, 1, (jlong) (address) javaVM->functions->reserved0); 2317 JVMCIENV->put_long_at(result, 2, (jlong) (address) javaVM->functions->reserved1); 2318 JVMCIENV->put_long_at(result, 3, (jlong) (address) javaVM->functions->reserved2); 2319 return (jlongArray) JVMCIENV->get_jobject(result); 2320 } 2321 2322 C2V_VMENTRY_PREFIX(jboolean, isCurrentThreadAttached, (JNIEnv* env, jobject c2vm)) 2323 if (base_thread == NULL) { 2324 // Called from unattached JVMCI shared library thread 2325 return false; 2326 } 2327 JVMCITraceMark jtm("isCurrentThreadAttached"); 2328 assert(base_thread->is_Java_thread(), "just checking"); 2329 JavaThread* thread = (JavaThread*) base_thread; 2330 if (thread->jni_environment() == env) { 2331 C2V_BLOCK(jboolean, isCurrentThreadAttached, (JNIEnv* env, jobject)) 2332 requireJVMCINativeLibrary(JVMCI_CHECK_0); 2333 JavaVM* javaVM = requireNativeLibraryJavaVM("isCurrentThreadAttached", JVMCI_CHECK_0); 2334 JNIEnv* peerEnv; 2335 return javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) == JNI_OK; 2336 } 2337 return true; 2338 C2V_END 2339 2340 C2V_VMENTRY_PREFIX(jlong, getCurrentJavaThread, (JNIEnv* env, jobject c2vm)) 2341 if (base_thread == NULL) { 2342 // Called from unattached JVMCI shared library thread 2343 return 0L; 2344 } 2345 JVMCITraceMark jtm("getCurrentJavaThread"); 2346 assert(base_thread->is_Java_thread(), "just checking"); 2347 return (jlong) p2i(base_thread); 2348 C2V_END 2349 2350 C2V_VMENTRY_PREFIX(jboolean, attachCurrentThread, (JNIEnv* env, jobject c2vm, jboolean as_daemon)) 2351 if (base_thread == NULL) { 2352 // Called from unattached JVMCI shared library thread 2353 extern struct JavaVM_ main_vm; 2354 JNIEnv* hotspotEnv; 2355 jint res = as_daemon ? main_vm.AttachCurrentThreadAsDaemon((void**)&hotspotEnv, NULL) : 2356 main_vm.AttachCurrentThread((void**)&hotspotEnv, NULL); 2357 if (res != JNI_OK) { 2358 JNI_THROW_("attachCurrentThread", InternalError, err_msg("Trying to attach thread returned %d", res), false); 2359 } 2360 return true; 2361 } 2362 JVMCITraceMark jtm("attachCurrentThread"); 2363 assert(base_thread->is_Java_thread(), "just checking");\ 2364 JavaThread* thread = (JavaThread*) base_thread; 2365 if (thread->jni_environment() == env) { 2366 // Called from HotSpot 2367 C2V_BLOCK(jboolean, attachCurrentThread, (JNIEnv* env, jobject, jboolean)) 2368 requireJVMCINativeLibrary(JVMCI_CHECK_0); 2369 JavaVM* javaVM = requireNativeLibraryJavaVM("attachCurrentThread", JVMCI_CHECK_0); 2370 JavaVMAttachArgs attach_args; 2371 attach_args.version = JNI_VERSION_1_2; 2372 attach_args.name = thread->name(); 2373 attach_args.group = NULL; 2374 JNIEnv* peerEnv; 2375 if (javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) == JNI_OK) { 2376 return false; 2377 } 2378 jint res = as_daemon ? javaVM->AttachCurrentThreadAsDaemon((void**)&peerEnv, &attach_args) : 2379 javaVM->AttachCurrentThread((void**)&peerEnv, &attach_args); 2380 if (res == JNI_OK) { 2381 guarantee(peerEnv != NULL, "must be"); 2382 return true; 2383 } 2384 JVMCI_THROW_MSG_0(InternalError, err_msg("Error %d while attaching %s", res, attach_args.name)); 2385 } 2386 // Called from JVMCI shared library 2387 return false; 2388 C2V_END 2389 2390 C2V_VMENTRY_PREFIX(void, detachCurrentThread, (JNIEnv* env, jobject c2vm)) 2391 if (base_thread == NULL) { 2392 // Called from unattached JVMCI shared library thread 2393 JNI_THROW("detachCurrentThread", IllegalStateException, err_msg("Cannot detach non-attached thread")); 2394 } 2395 JVMCITraceMark jtm("detachCurrentThread"); 2396 assert(base_thread->is_Java_thread(), "just checking");\ 2397 JavaThread* thread = (JavaThread*) base_thread; 2398 if (thread->jni_environment() == env) { 2399 // Called from HotSpot 2400 C2V_BLOCK(void, detachCurrentThread, (JNIEnv* env, jobject)) 2401 requireJVMCINativeLibrary(JVMCI_CHECK); 2402 requireInHotSpot("detachCurrentThread", JVMCI_CHECK); 2403 JavaVM* javaVM = requireNativeLibraryJavaVM("detachCurrentThread", JVMCI_CHECK); 2404 JNIEnv* peerEnv; 2405 if (javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) != JNI_OK) { 2406 JVMCI_THROW_MSG(IllegalStateException, err_msg("Cannot detach non-attached thread: %s", thread->name())); 2407 } 2408 jint res = javaVM->DetachCurrentThread(); 2409 if (res != JNI_OK) { 2410 JVMCI_THROW_MSG(InternalError, err_msg("Error %d while attaching %s", res, thread->name())); 2411 } 2412 } else { 2413 // Called from attached JVMCI shared library thread 2414 extern struct JavaVM_ main_vm; 2415 jint res = main_vm.DetachCurrentThread(); 2416 if (res != JNI_OK) { 2417 JNI_THROW("detachCurrentThread", InternalError, err_msg("Cannot detach non-attached thread")); 2418 } 2419 } 2420 C2V_END 2421 2422 C2V_VMENTRY_0(jlong, translate, (JNIEnv* env, jobject, jobject obj_handle)) 2423 requireJVMCINativeLibrary(JVMCI_CHECK_0); 2424 if (obj_handle == NULL) { 2425 return 0L; 2426 } 2427 JVMCIEnv __peer_jvmci_env__(thread, !JVMCIENV->is_hotspot(), __FILE__, __LINE__); 2428 JVMCIEnv* peerEnv = &__peer_jvmci_env__; 2429 JVMCIEnv* thisEnv = JVMCIENV; 2430 2431 JVMCIObject obj = thisEnv->wrap(obj_handle); 2432 JVMCIObject result; 2433 if (thisEnv->isa_HotSpotResolvedJavaMethodImpl(obj)) { 2434 methodHandle method(THREAD, thisEnv->asMethod(obj)); 2435 result = peerEnv->get_jvmci_method(method, JVMCI_CHECK_0); 2436 } else if (thisEnv->isa_HotSpotResolvedObjectTypeImpl(obj)) { 2437 Klass* klass = thisEnv->asKlass(obj); 2438 JVMCIKlassHandle klass_handle(THREAD); 2439 klass_handle = klass; 2440 result = peerEnv->get_jvmci_type(klass_handle, JVMCI_CHECK_0); 2441 } else if (thisEnv->isa_HotSpotResolvedPrimitiveType(obj)) { 2442 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(obj), JVMCI_CHECK_0); 2443 result = peerEnv->get_jvmci_primitive_type(type); 2444 } else if (thisEnv->isa_IndirectHotSpotObjectConstantImpl(obj) || 2445 thisEnv->isa_DirectHotSpotObjectConstantImpl(obj)) { 2446 Handle constant = thisEnv->asConstant(obj, JVMCI_CHECK_0); 2447 result = peerEnv->get_object_constant(constant()); 2448 } else if (thisEnv->isa_HotSpotNmethod(obj)) { 2449 nmethod* nm = thisEnv->asNmethod(obj); 2450 if (nm != NULL) { 2451 JVMCINMethodData* data = nm->jvmci_nmethod_data(); 2452 if (data != NULL) { 2453 if (peerEnv->is_hotspot()) { 2454 // Only the mirror in the HotSpot heap is accessible 2455 // through JVMCINMethodData 2456 oop nmethod_mirror = data->get_nmethod_mirror(nm, /* phantom_ref */ true); 2457 if (nmethod_mirror != NULL) { 2458 result = HotSpotJVMCI::wrap(nmethod_mirror); 2459 } 2460 } 2461 } 2462 } 2463 if (result.is_null()) { 2464 JVMCIObject methodObject = thisEnv->get_HotSpotNmethod_method(obj); 2465 methodHandle mh(THREAD, thisEnv->asMethod(methodObject)); 2466 jboolean isDefault = thisEnv->get_HotSpotNmethod_isDefault(obj); 2467 jlong compileIdSnapshot = thisEnv->get_HotSpotNmethod_compileIdSnapshot(obj); 2468 JVMCIObject name_string = thisEnv->get_InstalledCode_name(obj); 2469 const char* cstring = name_string.is_null() ? NULL : thisEnv->as_utf8_string(name_string); 2470 // Create a new HotSpotNmethod instance in the peer runtime 2471 result = peerEnv->new_HotSpotNmethod(mh, cstring, isDefault, compileIdSnapshot, JVMCI_CHECK_0); 2472 if (nm == NULL) { 2473 // nmethod must have been unloaded 2474 } else { 2475 // Link the new HotSpotNmethod to the nmethod 2476 peerEnv->initialize_installed_code(result, nm, JVMCI_CHECK_0); 2477 // Only HotSpotNmethod instances in the HotSpot heap are tracked directly by the runtime. 2478 if (peerEnv->is_hotspot()) { 2479 JVMCINMethodData* data = nm->jvmci_nmethod_data(); 2480 if (data == NULL) { 2481 JVMCI_THROW_MSG_0(IllegalArgumentException, "Cannot set HotSpotNmethod mirror for default nmethod"); 2482 } 2483 if (data->get_nmethod_mirror(nm, /* phantom_ref */ false) != NULL) { 2484 JVMCI_THROW_MSG_0(IllegalArgumentException, "Cannot overwrite existing HotSpotNmethod mirror for nmethod"); 2485 } 2486 oop nmethod_mirror = HotSpotJVMCI::resolve(result); 2487 data->set_nmethod_mirror(nm, nmethod_mirror); 2488 } 2489 } 2490 } 2491 } else { 2492 JVMCI_THROW_MSG_0(IllegalArgumentException, 2493 err_msg("Cannot translate object of type: %s", thisEnv->klass_name(obj))); 2494 } 2495 return (jlong) peerEnv->make_global(result).as_jobject(); 2496 } 2497 2498 C2V_VMENTRY_NULL(jobject, unhand, (JNIEnv* env, jobject, jlong obj_handle)) 2499 requireJVMCINativeLibrary(JVMCI_CHECK_NULL); 2500 if (obj_handle == 0L) { 2501 return NULL; 2502 } 2503 jobject global_handle = (jobject) obj_handle; 2504 JVMCIObject global_handle_obj = JVMCIENV->wrap((jobject) obj_handle); 2505 jobject result = JVMCIENV->make_local(global_handle_obj).as_jobject(); 2506 2507 JVMCIENV->destroy_global(global_handle_obj); 2508 return result; 2509 } 2510 2511 C2V_VMENTRY(void, updateHotSpotNmethod, (JNIEnv* env, jobject, jobject code_handle)) 2512 JVMCIObject code = JVMCIENV->wrap(code_handle); 2513 // Execute this operation for the side effect of updating the InstalledCode state 2514 JVMCIENV->asNmethod(code); 2515 } 2516 2517 C2V_VMENTRY_NULL(jbyteArray, getCode, (JNIEnv* env, jobject, jobject code_handle)) 2518 JVMCIObject code = JVMCIENV->wrap(code_handle); 2519 CodeBlob* cb = JVMCIENV->asCodeBlob(code); 2520 if (cb == NULL) { 2521 return NULL; 2522 } 2523 int code_size = cb->code_size(); 2524 JVMCIPrimitiveArray result = JVMCIENV->new_byteArray(code_size, JVMCI_CHECK_NULL); 2525 JVMCIENV->copy_bytes_from((jbyte*) cb->code_begin(), result, 0, code_size); 2526 return JVMCIENV->get_jbyteArray(result); 2527 } 2528 2529 C2V_VMENTRY_NULL(jobject, asReflectionExecutable, (JNIEnv* env, jobject, jobject jvmci_method)) 2530 requireInHotSpot("asReflectionExecutable", JVMCI_CHECK_NULL); 2531 methodHandle m(THREAD, JVMCIENV->asMethod(jvmci_method)); 2532 oop executable; 2533 if (m->is_initializer()) { 2534 if (m->is_static_initializer()) { 2535 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 2536 "Cannot create java.lang.reflect.Method for class initializer"); 2537 } 2538 executable = Reflection::new_constructor(m, CHECK_NULL); 2539 } else { 2540 executable = Reflection::new_method(m, false, CHECK_NULL); 2541 } 2542 return JNIHandles::make_local(THREAD, executable); 2543 } 2544 2545 C2V_VMENTRY_NULL(jobject, asReflectionField, (JNIEnv* env, jobject, jobject jvmci_type, jint index)) 2546 requireInHotSpot("asReflectionField", JVMCI_CHECK_NULL); 2547 Klass* klass = JVMCIENV->asKlass(jvmci_type); 2548 if (!klass->is_instance_klass()) { 2549 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 2550 err_msg("Expected non-primitive type, got %s", klass->external_name())); 2551 } 2552 InstanceKlass* iklass = InstanceKlass::cast(klass); 2553 Array<u2>* fields = iklass->fields(); 2554 if (index < 0 ||index > fields->length()) { 2555 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 2556 err_msg("Field index %d out of bounds for %s", index, klass->external_name())); 2557 } 2558 fieldDescriptor fd(iklass, index); 2559 oop reflected = Reflection::new_field(&fd, CHECK_NULL); 2560 return JNIHandles::make_local(env, reflected); 2561 } 2562 2563 C2V_VMENTRY_NULL(jobjectArray, getFailedSpeculations, (JNIEnv* env, jobject, jlong failed_speculations_address, jobjectArray current)) 2564 FailedSpeculation* head = *((FailedSpeculation**)(address) failed_speculations_address); 2565 int result_length = 0; 2566 for (FailedSpeculation* fs = head; fs != NULL; fs = fs->next()) { 2567 result_length++; 2568 } 2569 int current_length = 0; 2570 JVMCIObjectArray current_array = NULL; 2571 if (current != NULL) { 2572 current_array = JVMCIENV->wrap(current); 2573 current_length = JVMCIENV->get_length(current_array); 2574 if (current_length == result_length) { 2575 // No new failures 2576 return current; 2577 } 2578 } 2579 JVMCIObjectArray result = JVMCIENV->new_byte_array_array(result_length, JVMCI_CHECK_NULL); 2580 int result_index = 0; 2581 for (FailedSpeculation* fs = head; result_index < result_length; fs = fs->next()) { 2582 assert(fs != NULL, "npe"); 2583 JVMCIPrimitiveArray entry; 2584 if (result_index < current_length) { 2585 entry = (JVMCIPrimitiveArray) JVMCIENV->get_object_at(current_array, result_index); 2586 } else { 2587 entry = JVMCIENV->new_byteArray(fs->data_len(), JVMCI_CHECK_NULL); 2588 JVMCIENV->copy_bytes_from((jbyte*) fs->data(), entry, 0, fs->data_len()); 2589 } 2590 JVMCIENV->put_object_at(result, result_index++, entry); 2591 } 2592 return JVMCIENV->get_jobjectArray(result); 2593 } 2594 2595 C2V_VMENTRY_0(jlong, getFailedSpeculationsAddress, (JNIEnv* env, jobject, jobject jvmci_method)) 2596 methodHandle method(THREAD, JVMCIENV->asMethod(jvmci_method)); 2597 MethodData* method_data = method->method_data(); 2598 if (method_data == NULL) { 2599 ClassLoaderData* loader_data = method->method_holder()->class_loader_data(); 2600 method_data = MethodData::allocate(loader_data, method, CHECK_0); 2601 method->set_method_data(method_data); 2602 } 2603 return (jlong) method_data->get_failed_speculations_address(); 2604 } 2605 2606 C2V_VMENTRY(void, releaseFailedSpeculations, (JNIEnv* env, jobject, jlong failed_speculations_address)) 2607 FailedSpeculation::free_failed_speculations((FailedSpeculation**)(address) failed_speculations_address); 2608 } 2609 2610 C2V_VMENTRY_0(jboolean, addFailedSpeculation, (JNIEnv* env, jobject, jlong failed_speculations_address, jbyteArray speculation_obj)) 2611 JVMCIPrimitiveArray speculation_handle = JVMCIENV->wrap(speculation_obj); 2612 int speculation_len = JVMCIENV->get_length(speculation_handle); 2613 char* speculation = NEW_RESOURCE_ARRAY(char, speculation_len); 2614 JVMCIENV->copy_bytes_to(speculation_handle, (jbyte*) speculation, 0, speculation_len); 2615 return FailedSpeculation::add_failed_speculation(NULL, (FailedSpeculation**)(address) failed_speculations_address, (address) speculation, speculation_len); 2616 } 2617 2618 C2V_VMENTRY(void, callSystemExit, (JNIEnv* env, jobject, jint status)) 2619 JavaValue result(T_VOID); 2620 JavaCallArguments jargs(1); 2621 jargs.push_int(status); 2622 JavaCalls::call_static(&result, 2623 SystemDictionary::System_klass(), 2624 vmSymbols::exit_method_name(), 2625 vmSymbols::int_void_signature(), 2626 &jargs, 2627 CHECK); 2628 } 2629 2630 #define CC (char*) /*cast a literal from (const char*)*/ 2631 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f)) 2632 2633 #define STRING "Ljava/lang/String;" 2634 #define OBJECT "Ljava/lang/Object;" 2635 #define CLASS "Ljava/lang/Class;" 2636 #define OBJECTCONSTANT "Ljdk/vm/ci/hotspot/HotSpotObjectConstantImpl;" 2637 #define HANDLECONSTANT "Ljdk/vm/ci/hotspot/IndirectHotSpotObjectConstantImpl;" 2638 #define EXECUTABLE "Ljava/lang/reflect/Executable;" 2639 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;" 2640 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;" 2641 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;" 2642 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;" 2643 #define JAVACONSTANT "Ljdk/vm/ci/meta/JavaConstant;" 2644 #define INSPECTED_FRAME_VISITOR "Ljdk/vm/ci/code/stack/InspectedFrameVisitor;" 2645 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;" 2646 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;" 2647 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;" 2648 #define HS_RESOLVED_TYPE "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaType;" 2649 #define HS_RESOLVED_FIELD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaField;" 2650 #define HS_INSTALLED_CODE "Ljdk/vm/ci/hotspot/HotSpotInstalledCode;" 2651 #define HS_NMETHOD "Ljdk/vm/ci/hotspot/HotSpotNmethod;" 2652 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;" 2653 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;" 2654 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;" 2655 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;" 2656 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;" 2657 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;" 2658 #define METASPACE_OBJECT "Ljdk/vm/ci/hotspot/MetaspaceObject;" 2659 #define REFLECTION_EXECUTABLE "Ljava/lang/reflect/Executable;" 2660 #define REFLECTION_FIELD "Ljava/lang/reflect/Field;" 2661 #define METASPACE_METHOD_DATA "J" 2662 2663 JNINativeMethod CompilerToVM::methods[] = { 2664 {CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)}, 2665 {CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)}, 2666 {CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)}, 2667 {CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)}, 2668 {CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)}, 2669 {CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)}, 2670 {CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)}, 2671 {CC "setNotInlinableOrCompilable", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(setNotInlinableOrCompilable)}, 2672 {CC "isCompilable", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(isCompilable)}, 2673 {CC "hasNeverInlineDirective", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(hasNeverInlineDirective)}, 2674 {CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)}, 2675 {CC "lookupType", CC "(" STRING HS_RESOLVED_KLASS "Z)" HS_RESOLVED_TYPE, FN_PTR(lookupType)}, 2676 {CC "getArrayType", CC "(" HS_RESOLVED_TYPE ")" HS_RESOLVED_KLASS, FN_PTR(getArrayType)}, 2677 {CC "lookupClass", CC "(" CLASS ")" HS_RESOLVED_TYPE, FN_PTR(lookupClass)}, 2678 {CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)}, 2679 {CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)}, 2680 {CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)}, 2681 {CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)}, 2682 {CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)}, 2683 {CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECTCONSTANT, FN_PTR(lookupAppendixInPool)}, 2684 {CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)}, 2685 {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)}, 2686 {CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECTCONSTANT, FN_PTR(resolvePossiblyCachedConstantInPool)}, 2687 {CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)}, 2688 {CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[I)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)}, 2689 {CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)}, 2690 {CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)}, 2691 {CC "isResolvedInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(isResolvedInvokeHandleInPool)}, 2692 {CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)}, 2693 {CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)}, 2694 {CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)}, 2695 {CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)}, 2696 {CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)}, 2697 {CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)}, 2698 {CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)}, 2699 {CC "getResolvedJavaMethod", CC "(" OBJECTCONSTANT "J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)}, 2700 {CC "getConstantPool", CC "(" METASPACE_OBJECT ")" HS_CONSTANT_POOL, FN_PTR(getConstantPool)}, 2701 {CC "getResolvedJavaType0", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType0)}, 2702 {CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)}, 2703 {CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE "J[B)I", FN_PTR(installCode)}, 2704 {CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)}, 2705 {CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)}, 2706 {CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)}, 2707 {CC "executeHotSpotNmethod", CC "([" OBJECT HS_NMETHOD ")" OBJECT, FN_PTR(executeHotSpotNmethod)}, 2708 {CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)}, 2709 {CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)}, 2710 {CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)}, 2711 {CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)}, 2712 {CC "invalidateHotSpotNmethod", CC "(" HS_NMETHOD ")V", FN_PTR(invalidateHotSpotNmethod)}, 2713 {CC "readUncompressedOop", CC "(J)" OBJECTCONSTANT, FN_PTR(readUncompressedOop)}, 2714 {CC "collectCounters", CC "()[J", FN_PTR(collectCounters)}, 2715 {CC "getCountersSize", CC "()I", FN_PTR(getCountersSize)}, 2716 {CC "setCountersSize", CC "(I)V", FN_PTR(setCountersSize)}, 2717 {CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)}, 2718 {CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)}, 2719 {CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)}, 2720 {CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)}, 2721 {CC "iterateFrames", CC "([" RESOLVED_METHOD "[" RESOLVED_METHOD "I" INSPECTED_FRAME_VISITOR ")" OBJECT, FN_PTR(iterateFrames)}, 2722 {CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)}, 2723 {CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)}, 2724 {CC "writeDebugOutput", CC "([BIIZZ)I", FN_PTR(writeDebugOutput)}, 2725 {CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)}, 2726 {CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)}, 2727 {CC "getFingerprint", CC "(J)J", FN_PTR(getFingerprint)}, 2728 {CC "getHostClass", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getHostClass)}, 2729 {CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)}, 2730 {CC "compileToBytecode", CC "(" OBJECTCONSTANT ")V", FN_PTR(compileToBytecode)}, 2731 {CC "getFlagValue", CC "(" STRING ")" OBJECT, FN_PTR(getFlagValue)}, 2732 {CC "getObjectAtAddress", CC "(J)" OBJECT, FN_PTR(getObjectAtAddress)}, 2733 {CC "getInterfaces", CC "(" HS_RESOLVED_KLASS ")[" HS_RESOLVED_KLASS, FN_PTR(getInterfaces)}, 2734 {CC "getComponentType", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_TYPE, FN_PTR(getComponentType)}, 2735 {CC "ensureInitialized", CC "(" HS_RESOLVED_KLASS ")V", FN_PTR(ensureInitialized)}, 2736 {CC "getIdentityHashCode", CC "(" OBJECTCONSTANT ")I", FN_PTR(getIdentityHashCode)}, 2737 {CC "isInternedString", CC "(" OBJECTCONSTANT ")Z", FN_PTR(isInternedString)}, 2738 {CC "unboxPrimitive", CC "(" OBJECTCONSTANT ")" OBJECT, FN_PTR(unboxPrimitive)}, 2739 {CC "boxPrimitive", CC "(" OBJECT ")" OBJECTCONSTANT, FN_PTR(boxPrimitive)}, 2740 {CC "getDeclaredConstructors", CC "(" HS_RESOLVED_KLASS ")[" RESOLVED_METHOD, FN_PTR(getDeclaredConstructors)}, 2741 {CC "getDeclaredMethods", CC "(" HS_RESOLVED_KLASS ")[" RESOLVED_METHOD, FN_PTR(getDeclaredMethods)}, 2742 {CC "readFieldValue", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_FIELD "Z)" JAVACONSTANT, FN_PTR(readFieldValue)}, 2743 {CC "readFieldValue", CC "(" OBJECTCONSTANT HS_RESOLVED_FIELD "Z)" JAVACONSTANT, FN_PTR(readFieldValue)}, 2744 {CC "isInstance", CC "(" HS_RESOLVED_KLASS OBJECTCONSTANT ")Z", FN_PTR(isInstance)}, 2745 {CC "isAssignableFrom", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_KLASS ")Z", FN_PTR(isAssignableFrom)}, 2746 {CC "isTrustedForIntrinsics", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(isTrustedForIntrinsics)}, 2747 {CC "asJavaType", CC "(" OBJECTCONSTANT ")" HS_RESOLVED_TYPE, FN_PTR(asJavaType)}, 2748 {CC "asString", CC "(" OBJECTCONSTANT ")" STRING, FN_PTR(asString)}, 2749 {CC "equals", CC "(" OBJECTCONSTANT "J" OBJECTCONSTANT "J)Z", FN_PTR(equals)}, 2750 {CC "getJavaMirror", CC "(" HS_RESOLVED_TYPE ")" OBJECTCONSTANT, FN_PTR(getJavaMirror)}, 2751 {CC "getArrayLength", CC "(" OBJECTCONSTANT ")I", FN_PTR(getArrayLength)}, 2752 {CC "readArrayElement", CC "(" OBJECTCONSTANT "I)Ljava/lang/Object;", FN_PTR(readArrayElement)}, 2753 {CC "arrayBaseOffset", CC "(Ljdk/vm/ci/meta/JavaKind;)I", FN_PTR(arrayBaseOffset)}, 2754 {CC "arrayIndexScale", CC "(Ljdk/vm/ci/meta/JavaKind;)I", FN_PTR(arrayIndexScale)}, 2755 {CC "getByte", CC "(" OBJECTCONSTANT "J)B", FN_PTR(getByte)}, 2756 {CC "getShort", CC "(" OBJECTCONSTANT "J)S", FN_PTR(getShort)}, 2757 {CC "getInt", CC "(" OBJECTCONSTANT "J)I", FN_PTR(getInt)}, 2758 {CC "getLong", CC "(" OBJECTCONSTANT "J)J", FN_PTR(getLong)}, 2759 {CC "getObject", CC "(" OBJECTCONSTANT "J)" OBJECTCONSTANT, FN_PTR(getObject)}, 2760 {CC "deleteGlobalHandle", CC "(J)V", FN_PTR(deleteGlobalHandle)}, 2761 {CC "registerNativeMethods", CC "(" CLASS ")[J", FN_PTR(registerNativeMethods)}, 2762 {CC "isCurrentThreadAttached", CC "()Z", FN_PTR(isCurrentThreadAttached)}, 2763 {CC "getCurrentJavaThread", CC "()J", FN_PTR(getCurrentJavaThread)}, 2764 {CC "attachCurrentThread", CC "(Z)Z", FN_PTR(attachCurrentThread)}, 2765 {CC "detachCurrentThread", CC "()V", FN_PTR(detachCurrentThread)}, 2766 {CC "translate", CC "(" OBJECT ")J", FN_PTR(translate)}, 2767 {CC "unhand", CC "(J)" OBJECT, FN_PTR(unhand)}, 2768 {CC "updateHotSpotNmethod", CC "(" HS_NMETHOD ")V", FN_PTR(updateHotSpotNmethod)}, 2769 {CC "getCode", CC "(" HS_INSTALLED_CODE ")[B", FN_PTR(getCode)}, 2770 {CC "asReflectionExecutable", CC "(" HS_RESOLVED_METHOD ")" REFLECTION_EXECUTABLE, FN_PTR(asReflectionExecutable)}, 2771 {CC "asReflectionField", CC "(" HS_RESOLVED_KLASS "I)" REFLECTION_FIELD, FN_PTR(asReflectionField)}, 2772 {CC "getFailedSpeculations", CC "(J[[B)[[B", FN_PTR(getFailedSpeculations)}, 2773 {CC "getFailedSpeculationsAddress", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getFailedSpeculationsAddress)}, 2774 {CC "releaseFailedSpeculations", CC "(J)V", FN_PTR(releaseFailedSpeculations)}, 2775 {CC "addFailedSpeculation", CC "(J[B)Z", FN_PTR(addFailedSpeculation)}, 2776 {CC "callSystemExit", CC "(I)V", FN_PTR(callSystemExit)}, 2777 }; 2778 2779 int CompilerToVM::methods_count() { 2780 return sizeof(methods) / sizeof(JNINativeMethod); 2781 }