1 /* 2 * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 #include "precompiled.hpp" 25 #include "classfile/classLoaderData.inline.hpp" 26 #include "classfile/javaClasses.inline.hpp" 27 #include "classfile/stringTable.hpp" 28 #include "classfile/symbolTable.hpp" 29 #include "code/scopeDesc.hpp" 30 #include "compiler/compileBroker.hpp" 31 #include "compiler/disassembler.hpp" 32 #include "interpreter/linkResolver.hpp" 33 #include "interpreter/bytecodeStream.hpp" 34 #include "jvmci/jvmciCompilerToVM.hpp" 35 #include "jvmci/jvmciCodeInstaller.hpp" 36 #include "jvmci/jvmciRuntime.hpp" 37 #include "memory/oopFactory.hpp" 38 #include "oops/constantPool.inline.hpp" 39 #include "oops/method.inline.hpp" 40 #include "oops/objArrayOop.inline.hpp" 41 #include "oops/typeArrayOop.inline.hpp" 42 #include "prims/nativeLookup.hpp" 43 #include "runtime/deoptimization.hpp" 44 #include "runtime/frame.inline.hpp" 45 #include "runtime/interfaceSupport.inline.hpp" 46 #include "runtime/jniHandles.inline.hpp" 47 #include "runtime/timerTrace.hpp" 48 #include "runtime/vframe_hp.hpp" 49 50 JVMCIKlassHandle::JVMCIKlassHandle(Thread* thread, Klass* klass) { 51 _thread = thread; 52 _klass = klass; 53 if (klass != NULL) { 54 _holder = Handle(_thread, klass->holder_phantom()); 55 } 56 } 57 58 JVMCIKlassHandle& JVMCIKlassHandle::operator=(Klass* klass) { 59 _klass = klass; 60 if (klass != NULL) { 61 _holder = Handle(_thread, klass->holder_phantom()); 62 } 63 return *this; 64 } 65 66 static void requireInHotSpot(const char* caller, JVMCI_TRAPS) { 67 if (!JVMCIENV->is_hotspot()) { 68 JVMCI_THROW_MSG(IllegalStateException, err_msg("Cannot call %s from JVMCI shared library", caller)); 69 } 70 } 71 72 void JNIHandleMark::push_jni_handle_block(JavaThread* thread) { 73 if (thread != NULL) { 74 // Allocate a new block for JNI handles. 75 // Inlined code from jni_PushLocalFrame() 76 JNIHandleBlock* java_handles = thread->active_handles(); 77 JNIHandleBlock* compile_handles = JNIHandleBlock::allocate_block(thread); 78 assert(compile_handles != NULL && java_handles != NULL, "should not be NULL"); 79 compile_handles->set_pop_frame_link(java_handles); 80 thread->set_active_handles(compile_handles); 81 } 82 } 83 84 void JNIHandleMark::pop_jni_handle_block(JavaThread* thread) { 85 if (thread != NULL) { 86 // Release our JNI handle block 87 JNIHandleBlock* compile_handles = thread->active_handles(); 88 JNIHandleBlock* java_handles = compile_handles->pop_frame_link(); 89 thread->set_active_handles(java_handles); 90 compile_handles->set_pop_frame_link(NULL); 91 JNIHandleBlock::release_block(compile_handles, thread); // may block 92 } 93 } 94 95 class JVMCITraceMark : public StackObj { 96 const char* _msg; 97 public: 98 JVMCITraceMark(const char* msg) { 99 _msg = msg; 100 if (JVMCITraceLevel >= 1) { 101 tty->print_cr(PTR_FORMAT " JVMCITrace-1: Enter %s", p2i(JavaThread::current()), _msg); 102 } 103 } 104 ~JVMCITraceMark() { 105 if (JVMCITraceLevel >= 1) { 106 tty->print_cr(PTR_FORMAT " JVMCITrace-1: Exit %s", p2i(JavaThread::current()), _msg); 107 } 108 } 109 }; 110 111 112 Handle JavaArgumentUnboxer::next_arg(BasicType expectedType) { 113 assert(_index < _args->length(), "out of bounds"); 114 oop arg=((objArrayOop) (_args))->obj_at(_index++); 115 assert(expectedType == T_OBJECT || java_lang_boxing_object::is_instance(arg, expectedType), "arg type mismatch"); 116 return Handle(Thread::current(), arg); 117 } 118 119 // Bring the JVMCI compiler thread into the VM state. 120 #define JVMCI_VM_ENTRY_MARK \ 121 ThreadInVMfromNative __tiv(thread); \ 122 ResetNoHandleMark rnhm; \ 123 HandleMarkCleaner __hm(thread); \ 124 Thread* THREAD = thread; \ 125 debug_only(VMNativeEntryWrapper __vew;) 126 127 // Native method block that transitions current thread to '_thread_in_vm'. 128 #define C2V_BLOCK(result_type, name, signature) \ 129 TRACE_CALL(result_type, jvmci_ ## name signature) \ 130 JVMCI_VM_ENTRY_MARK; \ 131 ResourceMark rm; \ 132 JNI_JVMCIENV(thread, env); 133 134 static Thread* get_current_thread() { 135 return Thread::current_or_null_safe(); 136 } 137 138 // Entry to native method implementation that transitions 139 // current thread to '_thread_in_vm'. 140 #define C2V_VMENTRY(result_type, name, signature) \ 141 JNIEXPORT result_type JNICALL c2v_ ## name signature { \ 142 Thread* base_thread = get_current_thread(); \ 143 if (base_thread == NULL) { \ 144 env->ThrowNew(JNIJVMCI::InternalError::clazz(), \ 145 err_msg("Cannot call into HotSpot from JVMCI shared library without attaching current thread")); \ 146 return; \ 147 } \ 148 assert(base_thread->is_Java_thread(), "just checking");\ 149 JavaThread* thread = (JavaThread*) base_thread; \ 150 JVMCITraceMark jtm("CompilerToVM::" #name); \ 151 C2V_BLOCK(result_type, name, signature) 152 153 #define C2V_VMENTRY_(result_type, name, signature, result) \ 154 JNIEXPORT result_type JNICALL c2v_ ## name signature { \ 155 Thread* base_thread = get_current_thread(); \ 156 if (base_thread == NULL) { \ 157 env->ThrowNew(JNIJVMCI::InternalError::clazz(), \ 158 err_msg("Cannot call into HotSpot from JVMCI shared library without attaching current thread")); \ 159 return result; \ 160 } \ 161 assert(base_thread->is_Java_thread(), "just checking");\ 162 JavaThread* thread = (JavaThread*) base_thread; \ 163 JVMCITraceMark jtm("CompilerToVM::" #name); \ 164 C2V_BLOCK(result_type, name, signature) 165 166 #define C2V_VMENTRY_NULL(result_type, name, signature) C2V_VMENTRY_(result_type, name, signature, NULL) 167 #define C2V_VMENTRY_0(result_type, name, signature) C2V_VMENTRY_(result_type, name, signature, 0) 168 169 // Entry to native method implementation that does not transition 170 // current thread to '_thread_in_vm'. 171 #define C2V_VMENTRY_PREFIX(result_type, name, signature) \ 172 JNIEXPORT result_type JNICALL c2v_ ## name signature { \ 173 Thread* base_thread = get_current_thread(); 174 175 #define C2V_END } 176 177 #define JNI_THROW(caller, name, msg) do { \ 178 jint __throw_res = env->ThrowNew(JNIJVMCI::name::clazz(), msg); \ 179 if (__throw_res != JNI_OK) { \ 180 tty->print_cr("Throwing " #name " in " caller " returned %d", __throw_res); \ 181 } \ 182 return; \ 183 } while (0); 184 185 #define JNI_THROW_(caller, name, msg, result) do { \ 186 jint __throw_res = env->ThrowNew(JNIJVMCI::name::clazz(), msg); \ 187 if (__throw_res != JNI_OK) { \ 188 tty->print_cr("Throwing " #name " in " caller " returned %d", __throw_res); \ 189 } \ 190 return result; \ 191 } while (0) 192 193 jobjectArray readConfiguration0(JNIEnv *env, JVMCI_TRAPS); 194 195 C2V_VMENTRY_NULL(jobjectArray, readConfiguration, (JNIEnv* env)) 196 jobjectArray config = readConfiguration0(env, JVMCI_CHECK_NULL); 197 return config; 198 } 199 200 C2V_VMENTRY_NULL(jobject, getFlagValue, (JNIEnv* env, jobject c2vm, jobject name_handle)) 201 #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(); 202 #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(); 203 JVMCIObject name = JVMCIENV->wrap(name_handle); 204 if (name.is_null()) { 205 JVMCI_THROW_NULL(NullPointerException); 206 } 207 const char* cstring = JVMCIENV->as_utf8_string(name); 208 JVMFlag* flag = JVMFlag::find_flag(cstring, strlen(cstring), /* allow_locked */ true, /* return_flag */ true); 209 if (flag == NULL) { 210 return c2vm; 211 } 212 if (flag->is_bool()) { 213 jvalue prim; 214 prim.z = flag->get_bool(); 215 JVMCIObject box = JVMCIENV->create_box(T_BOOLEAN, &prim, JVMCI_CHECK_NULL); 216 return JVMCIENV->get_jobject(box); 217 } else if (flag->is_ccstr()) { 218 JVMCIObject value = JVMCIENV->create_string(flag->get_ccstr(), JVMCI_CHECK_NULL); 219 return JVMCIENV->get_jobject(value); 220 } else if (flag->is_intx()) { 221 RETURN_BOXED_LONG(flag->get_intx()); 222 } else if (flag->is_int()) { 223 RETURN_BOXED_LONG(flag->get_int()); 224 } else if (flag->is_uint()) { 225 RETURN_BOXED_LONG(flag->get_uint()); 226 } else if (flag->is_uint64_t()) { 227 RETURN_BOXED_LONG(flag->get_uint64_t()); 228 } else if (flag->is_size_t()) { 229 RETURN_BOXED_LONG(flag->get_size_t()); 230 } else if (flag->is_uintx()) { 231 RETURN_BOXED_LONG(flag->get_uintx()); 232 } else if (flag->is_double()) { 233 RETURN_BOXED_DOUBLE(flag->get_double()); 234 } else { 235 JVMCI_ERROR_NULL("VM flag %s has unsupported type %s", flag->_name, flag->_type); 236 } 237 #undef RETURN_BOXED_LONG 238 #undef RETURN_BOXED_DOUBLE 239 C2V_END 240 241 C2V_VMENTRY_NULL(jobject, getObjectAtAddress, (JNIEnv* env, jobject c2vm, jlong oop_address)) 242 requireInHotSpot("getObjectAtAddress", JVMCI_CHECK_NULL); 243 if (oop_address == 0) { 244 JVMCI_THROW_MSG_NULL(InternalError, "Handle must be non-zero"); 245 } 246 oop obj = *((oopDesc**) oop_address); 247 if (obj != NULL) { 248 obj->verify(); 249 } 250 return JNIHandles::make_local(obj); 251 C2V_END 252 253 C2V_VMENTRY_NULL(jbyteArray, getBytecode, (JNIEnv* env, jobject, jobject jvmci_method)) 254 methodHandle method = JVMCIENV->asMethod(jvmci_method); 255 256 int code_size = method->code_size(); 257 jbyte* reconstituted_code = NEW_RESOURCE_ARRAY(jbyte, code_size); 258 259 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten"); 260 // iterate over all bytecodes and replace non-Java bytecodes 261 262 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) { 263 Bytecodes::Code code = s.code(); 264 Bytecodes::Code raw_code = s.raw_code(); 265 int bci = s.bci(); 266 int len = s.instruction_size(); 267 268 // Restore original byte code. 269 reconstituted_code[bci] = (jbyte) (s.is_wide()? Bytecodes::_wide : code); 270 if (len > 1) { 271 memcpy(reconstituted_code + (bci + 1), s.bcp()+1, len-1); 272 } 273 274 if (len > 1) { 275 // Restore the big-endian constant pool indexes. 276 // Cf. Rewriter::scan_method 277 switch (code) { 278 case Bytecodes::_getstatic: 279 case Bytecodes::_putstatic: 280 case Bytecodes::_getfield: 281 case Bytecodes::_putfield: 282 case Bytecodes::_invokevirtual: 283 case Bytecodes::_invokespecial: 284 case Bytecodes::_invokestatic: 285 case Bytecodes::_invokeinterface: 286 case Bytecodes::_invokehandle: { 287 int cp_index = Bytes::get_native_u2((address) reconstituted_code + (bci + 1)); 288 Bytes::put_Java_u2((address) reconstituted_code + (bci + 1), (u2) cp_index); 289 break; 290 } 291 292 case Bytecodes::_invokedynamic: { 293 int cp_index = Bytes::get_native_u4((address) reconstituted_code + (bci + 1)); 294 Bytes::put_Java_u4((address) reconstituted_code + (bci + 1), (u4) cp_index); 295 break; 296 } 297 298 default: 299 break; 300 } 301 302 // Not all ldc byte code are rewritten. 303 switch (raw_code) { 304 case Bytecodes::_fast_aldc: { 305 int cpc_index = reconstituted_code[bci + 1] & 0xff; 306 int cp_index = method->constants()->object_to_cp_index(cpc_index); 307 assert(cp_index < method->constants()->length(), "sanity check"); 308 reconstituted_code[bci + 1] = (jbyte) cp_index; 309 break; 310 } 311 312 case Bytecodes::_fast_aldc_w: { 313 int cpc_index = Bytes::get_native_u2((address) reconstituted_code + (bci + 1)); 314 int cp_index = method->constants()->object_to_cp_index(cpc_index); 315 assert(cp_index < method->constants()->length(), "sanity check"); 316 Bytes::put_Java_u2((address) reconstituted_code + (bci + 1), (u2) cp_index); 317 break; 318 } 319 320 default: 321 break; 322 } 323 } 324 } 325 326 JVMCIPrimitiveArray result = JVMCIENV->new_byteArray(code_size, JVMCI_CHECK_NULL); 327 JVMCIENV->copy_bytes_from(reconstituted_code, result, 0, code_size); 328 return JVMCIENV->get_jbyteArray(result); 329 C2V_END 330 331 C2V_VMENTRY_0(jint, getExceptionTableLength, (JNIEnv* env, jobject, jobject jvmci_method)) 332 methodHandle method = JVMCIENV->asMethod(jvmci_method); 333 return method->exception_table_length(); 334 C2V_END 335 336 C2V_VMENTRY_0(jlong, getExceptionTableStart, (JNIEnv* env, jobject, jobject jvmci_method)) 337 methodHandle method = JVMCIENV->asMethod(jvmci_method); 338 if (method->exception_table_length() == 0) { 339 return 0L; 340 } 341 return (jlong) (address) method->exception_table_start(); 342 C2V_END 343 344 C2V_VMENTRY_NULL(jobject, asResolvedJavaMethod, (JNIEnv* env, jobject, jobject executable_handle)) 345 requireInHotSpot("asResolvedJavaMethod", JVMCI_CHECK_NULL); 346 oop executable = JNIHandles::resolve(executable_handle); 347 oop mirror = NULL; 348 int slot = 0; 349 350 if (executable->klass() == SystemDictionary::reflect_Constructor_klass()) { 351 mirror = java_lang_reflect_Constructor::clazz(executable); 352 slot = java_lang_reflect_Constructor::slot(executable); 353 } else { 354 assert(executable->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); 355 mirror = java_lang_reflect_Method::clazz(executable); 356 slot = java_lang_reflect_Method::slot(executable); 357 } 358 Klass* holder = java_lang_Class::as_Klass(mirror); 359 methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot); 360 JVMCIObject result = JVMCIENV->get_jvmci_method(method, JVMCI_CHECK_NULL); 361 return JVMCIENV->get_jobject(result); 362 } 363 364 C2V_VMENTRY_NULL(jobject, getResolvedJavaMethod, (JNIEnv* env, jobject, jobject base, jlong offset)) 365 methodHandle method; 366 JVMCIObject base_object = JVMCIENV->wrap(base); 367 if (base_object.is_null()) { 368 method = *((Method**)(offset)); 369 } else if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) { 370 Handle obj = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL); 371 if (obj->is_a(SystemDictionary::ResolvedMethodName_klass())) { 372 method = (Method*) (intptr_t) obj->long_field(offset); 373 } else { 374 JVMCI_THROW_MSG_NULL(IllegalArgumentException, err_msg("Unexpected type: %s", obj->klass()->external_name())); 375 } 376 } else if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(base_object)) { 377 method = JVMCIENV->asMethod(base_object); 378 } 379 if (method.is_null()) { 380 JVMCI_THROW_MSG_NULL(IllegalArgumentException, err_msg("Unexpected type: %s", JVMCIENV->klass_name(base_object))); 381 } 382 assert (method.is_null() || method->is_method(), "invalid read"); 383 JVMCIObject result = JVMCIENV->get_jvmci_method(method, JVMCI_CHECK_NULL); 384 return JVMCIENV->get_jobject(result); 385 } 386 387 C2V_VMENTRY_NULL(jobject, getConstantPool, (JNIEnv* env, jobject, jobject object_handle)) 388 constantPoolHandle cp; 389 JVMCIObject object = JVMCIENV->wrap(object_handle); 390 if (object.is_null()) { 391 JVMCI_THROW_NULL(NullPointerException); 392 } 393 if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(object)) { 394 cp = JVMCIENV->asMethod(object)->constMethod()->constants(); 395 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(object)) { 396 cp = InstanceKlass::cast(JVMCIENV->asKlass(object))->constants(); 397 } else { 398 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 399 err_msg("Unexpected type: %s", JVMCIENV->klass_name(object))); 400 } 401 assert(!cp.is_null(), "npe"); 402 403 JVMCIObject result = JVMCIENV->get_jvmci_constant_pool(cp, JVMCI_CHECK_NULL); 404 return JVMCIENV->get_jobject(result); 405 } 406 407 C2V_VMENTRY_NULL(jobject, getResolvedJavaType0, (JNIEnv* env, jobject, jobject base, jlong offset, jboolean compressed)) 408 JVMCIKlassHandle klass(THREAD); 409 JVMCIObject base_object = JVMCIENV->wrap(base); 410 jlong base_address = 0; 411 if (base_object.is_non_null() && offset == oopDesc::klass_offset_in_bytes()) { 412 // klass = JVMCIENV->unhandle(base_object)->klass(); 413 if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) { 414 Handle base_oop = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL); 415 klass = base_oop->klass(); 416 } else { 417 assert(false, "What types are we actually expecting here?"); 418 } 419 } else if (!compressed) { 420 if (base_object.is_non_null()) { 421 if (JVMCIENV->isa_HotSpotResolvedJavaMethodImpl(base_object)) { 422 base_address = (intptr_t) JVMCIENV->asMethod(base_object); 423 } else if (JVMCIENV->isa_HotSpotConstantPool(base_object)) { 424 base_address = (intptr_t) JVMCIENV->asConstantPool(base_object); 425 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base_object)) { 426 base_address = (intptr_t) JVMCIENV->asKlass(base_object); 427 } else if (JVMCIENV->isa_HotSpotObjectConstantImpl(base_object)) { 428 Handle base_oop = JVMCIENV->asConstant(base_object, JVMCI_CHECK_NULL); 429 if (base_oop->is_a(SystemDictionary::Class_klass())) { 430 base_address = (jlong) (address) base_oop(); 431 } 432 } 433 if (base_address == 0) { 434 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 435 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", JVMCIENV->klass_name(base_object), offset, compressed ? "true" : "false")); 436 } 437 } 438 klass = *((Klass**) (intptr_t) (base_address + offset)); 439 } else { 440 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 441 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", 442 base_object.is_non_null() ? JVMCIENV->klass_name(base_object) : "null", 443 offset, compressed ? "true" : "false")); 444 } 445 assert (klass == NULL || klass->is_klass(), "invalid read"); 446 JVMCIObject result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL); 447 return JVMCIENV->get_jobject(result); 448 } 449 450 C2V_VMENTRY_NULL(jobject, findUniqueConcreteMethod, (JNIEnv* env, jobject, jobject jvmci_type, jobject jvmci_method)) 451 methodHandle method = JVMCIENV->asMethod(jvmci_method); 452 Klass* holder = JVMCIENV->asKlass(jvmci_type); 453 if (holder->is_interface()) { 454 JVMCI_THROW_MSG_NULL(InternalError, err_msg("Interface %s should be handled in Java code", holder->external_name())); 455 } 456 457 methodHandle ucm; 458 { 459 MutexLocker locker(Compile_lock); 460 ucm = Dependencies::find_unique_concrete_method(holder, method()); 461 } 462 JVMCIObject result = JVMCIENV->get_jvmci_method(ucm, JVMCI_CHECK_NULL); 463 return JVMCIENV->get_jobject(result); 464 C2V_END 465 466 C2V_VMENTRY_NULL(jobject, getImplementor, (JNIEnv* env, jobject, jobject jvmci_type)) 467 Klass* klass = JVMCIENV->asKlass(jvmci_type); 468 if (!klass->is_interface()) { 469 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), 470 err_msg("Expected interface type, got %s", klass->external_name())); 471 } 472 InstanceKlass* iklass = InstanceKlass::cast(klass); 473 JVMCIKlassHandle handle(THREAD); 474 { 475 // Need Compile_lock around implementor() 476 MutexLocker locker(Compile_lock); 477 handle = iklass->implementor(); 478 } 479 JVMCIObject implementor = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL); 480 return JVMCIENV->get_jobject(implementor); 481 C2V_END 482 483 C2V_VMENTRY_0(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv* env, jobject, jobject jvmci_method)) 484 methodHandle method = JVMCIENV->asMethod(jvmci_method); 485 return method->is_ignored_by_security_stack_walk(); 486 C2V_END 487 488 C2V_VMENTRY_0(jboolean, isCompilable,(JNIEnv* env, jobject, jobject jvmci_method)) 489 methodHandle method = JVMCIENV->asMethod(jvmci_method); 490 constantPoolHandle cp = method->constMethod()->constants(); 491 assert(!cp.is_null(), "npe"); 492 // don't inline method when constant pool contains a CONSTANT_Dynamic 493 return !method->is_not_compilable(CompLevel_full_optimization) && !cp->has_dynamic_constant(); 494 C2V_END 495 496 C2V_VMENTRY_0(jboolean, hasNeverInlineDirective,(JNIEnv* env, jobject, jobject jvmci_method)) 497 methodHandle method = JVMCIENV->asMethod(jvmci_method); 498 return !Inline || CompilerOracle::should_not_inline(method) || method->dont_inline(); 499 C2V_END 500 501 C2V_VMENTRY_0(jboolean, shouldInlineMethod,(JNIEnv* env, jobject, jobject jvmci_method)) 502 methodHandle method = JVMCIENV->asMethod(jvmci_method); 503 return CompilerOracle::should_inline(method) || method->force_inline(); 504 C2V_END 505 506 C2V_VMENTRY_NULL(jobject, lookupType, (JNIEnv* env, jobject, jstring jname, jclass accessing_class, jboolean resolve)) 507 JVMCIObject name = JVMCIENV->wrap(jname); 508 const char* str = JVMCIENV->as_utf8_string(name); 509 TempNewSymbol class_name = SymbolTable::new_symbol(str, CHECK_NULL); 510 511 if (class_name->utf8_length() <= 1) { 512 JVMCI_THROW_MSG_0(InternalError, err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string())); 513 } 514 515 JVMCIKlassHandle resolved_klass(THREAD); 516 Klass* accessing_klass = NULL; 517 Handle class_loader; 518 Handle protection_domain; 519 if (accessing_class != NULL) { 520 accessing_klass = JVMCIENV->asKlass(accessing_class); 521 class_loader = Handle(THREAD, accessing_klass->class_loader()); 522 protection_domain = Handle(THREAD, accessing_klass->protection_domain()); 523 } else { 524 // Use the System class loader 525 class_loader = Handle(THREAD, SystemDictionary::java_system_loader()); 526 JVMCIENV->runtime()->initialize(JVMCIENV); 527 } 528 529 if (resolve) { 530 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0); 531 if (resolved_klass == NULL) { 532 JVMCI_THROW_MSG_NULL(ClassNotFoundException, str); 533 } 534 } else { 535 if (class_name->byte_at(0) == 'L' && 536 class_name->byte_at(class_name->utf8_length()-1) == ';') { 537 // This is a name from a signature. Strip off the trimmings. 538 // Call recursive to keep scope of strippedsym. 539 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1, 540 class_name->utf8_length()-2, 541 CHECK_0); 542 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0); 543 } else if (FieldType::is_array(class_name)) { 544 FieldArrayInfo fd; 545 // dimension and object_key in FieldArrayInfo are assigned as a side-effect 546 // of this call 547 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0); 548 if (t == T_OBJECT) { 549 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(), 550 class_name->utf8_length()-2-fd.dimension(), 551 CHECK_0); 552 resolved_klass = SystemDictionary::find(strippedsym, 553 class_loader, 554 protection_domain, 555 CHECK_0); 556 if (!resolved_klass.is_null()) { 557 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0); 558 } 559 } else { 560 resolved_klass = TypeArrayKlass::cast(Universe::typeArrayKlassObj(t))->array_klass(fd.dimension(), CHECK_0); 561 } 562 } else { 563 resolved_klass = SystemDictionary::find(class_name, class_loader, protection_domain, CHECK_0); 564 } 565 } 566 JVMCIObject result = JVMCIENV->get_jvmci_type(resolved_klass, JVMCI_CHECK_NULL); 567 return JVMCIENV->get_jobject(result); 568 C2V_END 569 570 C2V_VMENTRY_NULL(jobject, getArrayType, (JNIEnv* env, jobject, jobject jvmci_type)) 571 if (jvmci_type == NULL) { 572 JVMCI_THROW_0(NullPointerException); 573 } 574 575 JVMCIObject jvmci_type_object = JVMCIENV->wrap(jvmci_type); 576 JVMCIKlassHandle array_klass(THREAD); 577 if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(jvmci_type_object)) { 578 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(jvmci_type_object), JVMCI_CHECK_0); 579 if (type == T_VOID) { 580 return NULL; 581 } 582 array_klass = Universe::typeArrayKlassObj(type); 583 if (array_klass == NULL) { 584 JVMCI_THROW_MSG_NULL(InternalError, err_msg("No array klass for primitive type %s", type2name(type))); 585 } 586 } else { 587 Klass* klass = JVMCIENV->asKlass(jvmci_type); 588 if (klass == NULL) { 589 JVMCI_THROW_0(NullPointerException); 590 } 591 array_klass = klass->array_klass(CHECK_NULL); 592 } 593 JVMCIObject result = JVMCIENV->get_jvmci_type(array_klass, JVMCI_CHECK_NULL); 594 return JVMCIENV->get_jobject(result); 595 C2V_END 596 597 C2V_VMENTRY_NULL(jobject, lookupClass, (JNIEnv* env, jobject, jclass mirror)) 598 requireInHotSpot("lookupClass", JVMCI_CHECK_NULL); 599 if (mirror == NULL) { 600 return NULL; 601 } 602 JVMCIKlassHandle klass(THREAD); 603 klass = java_lang_Class::as_Klass(JNIHandles::resolve(mirror)); 604 if (klass == NULL) { 605 JVMCI_THROW_MSG_NULL(IllegalArgumentException, "Primitive classes are unsupported"); 606 } 607 JVMCIObject result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL); 608 return JVMCIENV->get_jobject(result); 609 } 610 611 C2V_VMENTRY_NULL(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 612 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool); 613 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL); 614 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(result)); 615 C2V_END 616 617 C2V_VMENTRY_0(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 618 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool); 619 return cp->name_and_type_ref_index_at(index); 620 C2V_END 621 622 C2V_VMENTRY_NULL(jobject, lookupNameInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint which)) 623 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool); 624 JVMCIObject sym = JVMCIENV->create_string(cp->name_ref_at(which), JVMCI_CHECK_NULL); 625 return JVMCIENV->get_jobject(sym); 626 C2V_END 627 628 C2V_VMENTRY_NULL(jobject, lookupSignatureInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint which)) 629 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool); 630 JVMCIObject sym = JVMCIENV->create_string(cp->signature_ref_at(which), JVMCI_CHECK_NULL); 631 return JVMCIENV->get_jobject(sym); 632 C2V_END 633 634 C2V_VMENTRY_0(jint, lookupKlassRefIndexInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 635 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool); 636 return cp->klass_ref_index_at(index); 637 C2V_END 638 639 C2V_VMENTRY_NULL(jobject, resolveTypeInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 640 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool); 641 Klass* klass = cp->klass_at(index, CHECK_NULL); 642 JVMCIKlassHandle resolved_klass(THREAD, klass); 643 if (resolved_klass->is_instance_klass()) { 644 InstanceKlass::cast(resolved_klass())->link_class(CHECK_NULL); 645 if (!InstanceKlass::cast(resolved_klass())->is_linked()) { 646 // link_class() should not return here if there is an issue. 647 JVMCI_THROW_MSG_NULL(InternalError, err_msg("Class %s must be linked", resolved_klass()->external_name())); 648 } 649 } 650 JVMCIObject klassObject = JVMCIENV->get_jvmci_type(resolved_klass, JVMCI_CHECK_NULL); 651 return JVMCIENV->get_jobject(klassObject); 652 C2V_END 653 654 C2V_VMENTRY_NULL(jobject, lookupKlassInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode)) 655 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool); 656 Klass* loading_klass = cp->pool_holder(); 657 bool is_accessible = false; 658 JVMCIKlassHandle klass(THREAD, JVMCIRuntime::get_klass_by_index(cp, index, is_accessible, loading_klass)); 659 Symbol* symbol = NULL; 660 if (klass.is_null()) { 661 constantTag tag = cp->tag_at(index); 662 if (tag.is_klass()) { 663 // The klass has been inserted into the constant pool 664 // very recently. 665 klass = cp->resolved_klass_at(index); 666 } else if (tag.is_symbol()) { 667 symbol = cp->symbol_at(index); 668 } else { 669 assert(cp->tag_at(index).is_unresolved_klass(), "wrong tag"); 670 symbol = cp->klass_name_at(index); 671 } 672 } 673 JVMCIObject result; 674 if (!klass.is_null()) { 675 result = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL); 676 } else { 677 result = JVMCIENV->create_string(symbol, JVMCI_CHECK_NULL); 678 } 679 return JVMCIENV->get_jobject(result); 680 C2V_END 681 682 C2V_VMENTRY_NULL(jobject, lookupAppendixInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 683 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool); 684 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index); 685 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(appendix_oop)); 686 C2V_END 687 688 C2V_VMENTRY_NULL(jobject, lookupMethodInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode)) 689 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool); 690 InstanceKlass* pool_holder = cp->pool_holder(); 691 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF); 692 methodHandle method = JVMCIRuntime::get_method_by_index(cp, index, bc, pool_holder); 693 JVMCIObject result = JVMCIENV->get_jvmci_method(method, JVMCI_CHECK_NULL); 694 return JVMCIENV->get_jobject(result); 695 C2V_END 696 697 C2V_VMENTRY_0(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 698 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool); 699 return cp->remap_instruction_operand_from_cache(index); 700 C2V_END 701 702 C2V_VMENTRY_NULL(jobject, resolveFieldInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jintArray info_handle)) 703 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool); 704 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF); 705 fieldDescriptor fd; 706 LinkInfo link_info(cp, index, (jvmci_method != NULL) ? JVMCIENV->asMethod(jvmci_method) : NULL, CHECK_0); 707 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0); 708 JVMCIPrimitiveArray info = JVMCIENV->wrap(info_handle); 709 if (info.is_null() || JVMCIENV->get_length(info) != 3) { 710 JVMCI_ERROR_NULL("info must not be null and have a length of 3"); 711 } 712 JVMCIENV->put_int_at(info, 0, fd.access_flags().as_int()); 713 JVMCIENV->put_int_at(info, 1, fd.offset()); 714 JVMCIENV->put_int_at(info, 2, fd.index()); 715 JVMCIKlassHandle handle(THREAD, fd.field_holder()); 716 JVMCIObject field_holder = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL); 717 return JVMCIENV->get_jobject(field_holder); 718 C2V_END 719 720 C2V_VMENTRY_0(jint, getVtableIndexForInterfaceMethod, (JNIEnv* env, jobject, jobject jvmci_type, jobject jvmci_method)) 721 Klass* klass = JVMCIENV->asKlass(jvmci_type); 722 Method* method = JVMCIENV->asMethod(jvmci_method); 723 if (klass->is_interface()) { 724 JVMCI_THROW_MSG_0(InternalError, err_msg("Interface %s should be handled in Java code", klass->external_name())); 725 } 726 if (!method->method_holder()->is_interface()) { 727 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())); 728 } 729 if (!klass->is_instance_klass()) { 730 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be instance klass", klass->external_name())); 731 } 732 if (!InstanceKlass::cast(klass)->is_linked()) { 733 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be linked", klass->external_name())); 734 } 735 return LinkResolver::vtable_index_of_interface_method(klass, method); 736 C2V_END 737 738 C2V_VMENTRY_NULL(jobject, resolveMethod, (JNIEnv* env, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type)) 739 Klass* recv_klass = JVMCIENV->asKlass(receiver_jvmci_type); 740 Klass* caller_klass = JVMCIENV->asKlass(caller_jvmci_type); 741 methodHandle method = JVMCIENV->asMethod(jvmci_method); 742 743 Klass* resolved = method->method_holder(); 744 Symbol* h_name = method->name(); 745 Symbol* h_signature = method->signature(); 746 747 if (MethodHandles::is_signature_polymorphic_method(method())) { 748 // Signature polymorphic methods are already resolved, JVMCI just returns NULL in this case. 749 return NULL; 750 } 751 752 if (method->name() == vmSymbols::clone_name() && 753 resolved == SystemDictionary::Object_klass() && 754 recv_klass->is_array_klass()) { 755 // Resolution of the clone method on arrays always returns Object.clone even though that method 756 // has protected access. There's some trickery in the access checking to make this all work out 757 // so it's necessary to pass in the array class as the resolved class to properly trigger this. 758 // Otherwise it's impossible to resolve the array clone methods through JVMCI. See 759 // LinkResolver::check_method_accessability for the matching logic. 760 resolved = recv_klass; 761 } 762 763 LinkInfo link_info(resolved, h_name, h_signature, caller_klass); 764 methodHandle m; 765 // Only do exact lookup if receiver klass has been linked. Otherwise, 766 // the vtable has not been setup, and the LinkResolver will fail. 767 if (recv_klass->is_array_klass() || 768 (InstanceKlass::cast(recv_klass)->is_linked() && !recv_klass->is_interface())) { 769 if (resolved->is_interface()) { 770 m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info); 771 } else { 772 m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info); 773 } 774 } 775 776 if (m.is_null()) { 777 // Return NULL if there was a problem with lookup (uninitialized class, etc.) 778 return NULL; 779 } 780 781 JVMCIObject result = JVMCIENV->get_jvmci_method(m, JVMCI_CHECK_NULL); 782 return JVMCIENV->get_jobject(result); 783 C2V_END 784 785 C2V_VMENTRY_0(jboolean, hasFinalizableSubclass,(JNIEnv* env, jobject, jobject jvmci_type)) 786 Klass* klass = JVMCIENV->asKlass(jvmci_type); 787 assert(klass != NULL, "method must not be called for primitive types"); 788 return Dependencies::find_finalizable_subclass(klass) != NULL; 789 C2V_END 790 791 C2V_VMENTRY_NULL(jobject, getClassInitializer, (JNIEnv* env, jobject, jobject jvmci_type)) 792 Klass* klass = JVMCIENV->asKlass(jvmci_type); 793 if (!klass->is_instance_klass()) { 794 return NULL; 795 } 796 InstanceKlass* iklass = InstanceKlass::cast(klass); 797 JVMCIObject result = JVMCIENV->get_jvmci_method(iklass->class_initializer(), JVMCI_CHECK_NULL); 798 return JVMCIENV->get_jobject(result); 799 C2V_END 800 801 C2V_VMENTRY_0(jlong, getMaxCallTargetOffset, (JNIEnv* env, jobject, jlong addr)) 802 address target_addr = (address) addr; 803 if (target_addr != 0x0) { 804 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int)); 805 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int)); 806 return MAX2(ABS(off_low), ABS(off_high)); 807 } 808 return -1; 809 C2V_END 810 811 C2V_VMENTRY(void, setNotInlinableOrCompilable,(JNIEnv* env, jobject, jobject jvmci_method)) 812 methodHandle method = JVMCIENV->asMethod(jvmci_method); 813 method->set_not_c1_compilable(); 814 method->set_not_c2_compilable(); 815 method->set_dont_inline(true); 816 C2V_END 817 818 C2V_VMENTRY_0(jint, installCode, (JNIEnv *env, jobject, jobject target, jobject compiled_code, 819 jobject installed_code, jlong failed_speculations_address, jbyteArray speculations_obj)) 820 HandleMark hm; 821 JNIHandleMark jni_hm(thread); 822 823 JVMCIObject target_handle = JVMCIENV->wrap(target); 824 JVMCIObject compiled_code_handle = JVMCIENV->wrap(compiled_code); 825 CodeBlob* cb = NULL; 826 JVMCIObject installed_code_handle = JVMCIENV->wrap(installed_code); 827 JVMCIPrimitiveArray speculations_handle = JVMCIENV->wrap(speculations_obj); 828 829 int speculations_len = JVMCIENV->get_length(speculations_handle); 830 char* speculations = NEW_RESOURCE_ARRAY(char, speculations_len); 831 JVMCIENV->copy_bytes_to(speculations_handle, (jbyte*) speculations, 0, speculations_len); 832 833 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK_JNI_ERR); 834 835 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer()); 836 bool is_immutable_PIC = JVMCIENV->get_HotSpotCompiledCode_isImmutablePIC(compiled_code_handle) > 0; 837 838 CodeInstaller installer(JVMCIENV, is_immutable_PIC); 839 JVMCI::CodeInstallResult result = installer.install(compiler, 840 target_handle, 841 compiled_code_handle, 842 cb, 843 installed_code_handle, 844 (FailedSpeculation**)(address) failed_speculations_address, 845 speculations, 846 speculations_len, 847 JVMCI_CHECK_0); 848 849 if (PrintCodeCacheOnCompilation) { 850 stringStream s; 851 // Dump code cache into a buffer before locking the tty, 852 { 853 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); 854 CodeCache::print_summary(&s, false); 855 } 856 ttyLocker ttyl; 857 tty->print_raw_cr(s.as_string()); 858 } 859 860 if (result != JVMCI::ok) { 861 assert(cb == NULL, "should be"); 862 } else { 863 if (installed_code_handle.is_non_null()) { 864 if (cb->is_nmethod()) { 865 assert(JVMCIENV->isa_HotSpotNmethod(installed_code_handle), "wrong type"); 866 // Clear the link to an old nmethod first 867 JVMCIObject nmethod_mirror = installed_code_handle; 868 JVMCIENV->invalidate_nmethod_mirror(nmethod_mirror, JVMCI_CHECK_0); 869 } else { 870 assert(JVMCIENV->isa_InstalledCode(installed_code_handle), "wrong type"); 871 } 872 // Initialize the link to the new code blob 873 JVMCIENV->initialize_installed_code(installed_code_handle, cb, JVMCI_CHECK_0); 874 } 875 } 876 return result; 877 C2V_END 878 879 C2V_VMENTRY_0(jint, getMetadata, (JNIEnv *env, jobject, jobject target, jobject compiled_code, jobject metadata)) 880 #if INCLUDE_AOT 881 HandleMark hm; 882 assert(JVMCIENV->is_hotspot(), "AOT code is executed only in HotSpot mode"); 883 884 JVMCIObject target_handle = JVMCIENV->wrap(target); 885 JVMCIObject compiled_code_handle = JVMCIENV->wrap(compiled_code); 886 JVMCIObject metadata_handle = JVMCIENV->wrap(metadata); 887 888 CodeMetadata code_metadata; 889 890 CodeInstaller installer(JVMCIENV, true /* immutable PIC compilation */); 891 JVMCI::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, JVMCI_CHECK_0); 892 if (result != JVMCI::ok) { 893 return result; 894 } 895 896 if (code_metadata.get_nr_pc_desc() > 0) { 897 int size = sizeof(PcDesc) * code_metadata.get_nr_pc_desc(); 898 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full)); 899 JVMCIENV->copy_bytes_from((jbyte*) code_metadata.get_pc_desc(), array, 0, size); 900 HotSpotJVMCI::HotSpotMetaData::set_pcDescBytes(JVMCIENV, metadata_handle, array); 901 } 902 903 if (code_metadata.get_scopes_size() > 0) { 904 int size = code_metadata.get_scopes_size(); 905 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full)); 906 JVMCIENV->copy_bytes_from((jbyte*) code_metadata.get_scopes_desc(), array, 0, size); 907 HotSpotJVMCI::HotSpotMetaData::set_scopesDescBytes(JVMCIENV, metadata_handle, array); 908 } 909 910 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer(); 911 int size = (int) reloc_buffer->size(); 912 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full)); 913 JVMCIENV->copy_bytes_from((jbyte*) reloc_buffer->begin(), array, 0, size); 914 HotSpotJVMCI::HotSpotMetaData::set_relocBytes(JVMCIENV, metadata_handle, array); 915 916 const OopMapSet* oopMapSet = installer.oopMapSet(); 917 { 918 ResourceMark mark; 919 ImmutableOopMapBuilder builder(oopMapSet); 920 int size = builder.heap_size(); 921 JVMCIPrimitiveArray array = JVMCIENV->new_byteArray(size, JVMCI_CHECK_(JVMCI::cache_full)); 922 builder.generate_into((address) HotSpotJVMCI::resolve(array)->byte_at_addr(0)); 923 HotSpotJVMCI::HotSpotMetaData::set_oopMaps(JVMCIENV, metadata_handle, array); 924 } 925 926 AOTOopRecorder* recorder = code_metadata.get_oop_recorder(); 927 928 int nr_meta_refs = recorder->nr_meta_refs(); 929 JVMCIObjectArray metadataArray = JVMCIENV->new_Object_array(nr_meta_refs, JVMCI_CHECK_(JVMCI::cache_full)); 930 for (int i = 0; i < nr_meta_refs; ++i) { 931 jobject element = recorder->meta_element(i); 932 if (element == NULL) { 933 return JVMCI::cache_full; 934 } 935 JVMCIENV->put_object_at(metadataArray, i, JVMCIENV->wrap(element)); 936 } 937 HotSpotJVMCI::HotSpotMetaData::set_metadata(JVMCIENV, metadata_handle, metadataArray); 938 939 ExceptionHandlerTable* handler = code_metadata.get_exception_table(); 940 int table_size = handler->size_in_bytes(); 941 JVMCIPrimitiveArray exceptionArray = JVMCIENV->new_byteArray(table_size, JVMCI_CHECK_(JVMCI::cache_full)); 942 if (table_size > 0) { 943 handler->copy_bytes_to((address) HotSpotJVMCI::resolve(exceptionArray)->byte_at_addr(0)); 944 } 945 HotSpotJVMCI::HotSpotMetaData::set_exceptionBytes(JVMCIENV, metadata_handle, exceptionArray); 946 947 ImplicitExceptionTable* implicit = code_metadata.get_implicit_exception_table(); 948 int implicit_table_size = implicit->size_in_bytes(); 949 JVMCIPrimitiveArray implicitExceptionArray = JVMCIENV->new_byteArray(implicit_table_size, JVMCI_CHECK_(JVMCI::cache_full)); 950 if (implicit_table_size > 0) { 951 implicit->copy_bytes_to((address) HotSpotJVMCI::resolve(implicitExceptionArray)->byte_at_addr(0), implicit_table_size); 952 } 953 HotSpotJVMCI::HotSpotMetaData::set_implicitExceptionBytes(JVMCIENV, metadata_handle, implicitExceptionArray); 954 955 return result; 956 #else 957 JVMCI_THROW_MSG_0(InternalError, "unimplemented"); 958 #endif 959 C2V_END 960 961 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv* env, jobject)) 962 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK); 963 CompilerStatistics* stats = compiler->stats(); 964 stats->_standard.reset(); 965 stats->_osr.reset(); 966 C2V_END 967 968 C2V_VMENTRY_NULL(jobject, disassembleCodeBlob, (JNIEnv* env, jobject, jobject installedCode)) 969 HandleMark hm; 970 971 if (installedCode == NULL) { 972 JVMCI_THROW_MSG_NULL(NullPointerException, "installedCode is null"); 973 } 974 975 JVMCIObject installedCodeObject = JVMCIENV->wrap(installedCode); 976 nmethodLocker locker; 977 CodeBlob* cb = JVMCIENV->get_code_blob(installedCodeObject, locker); 978 if (cb == NULL) { 979 return NULL; 980 } 981 982 // We don't want the stringStream buffer to resize during disassembly as it 983 // uses scoped resource memory. If a nested function called during disassembly uses 984 // a ResourceMark and the buffer expands within the scope of the mark, 985 // the buffer becomes garbage when that scope is exited. Experience shows that 986 // the disassembled code is typically about 10x the code size so a fixed buffer 987 // sized to 20x code size plus a fixed amount for header info should be sufficient. 988 int bufferSize = cb->code_size() * 20 + 1024; 989 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize); 990 stringStream st(buffer, bufferSize); 991 if (cb->is_nmethod()) { 992 nmethod* nm = (nmethod*) cb; 993 if (!nm->is_alive()) { 994 return NULL; 995 } 996 } 997 Disassembler::decode(cb, &st); 998 if (st.size() <= 0) { 999 return NULL; 1000 } 1001 1002 JVMCIObject result = JVMCIENV->create_string(st.as_string(), JVMCI_CHECK_NULL); 1003 return JVMCIENV->get_jobject(result); 1004 C2V_END 1005 1006 C2V_VMENTRY_NULL(jobject, getStackTraceElement, (JNIEnv* env, jobject, jobject jvmci_method, int bci)) 1007 HandleMark hm; 1008 1009 methodHandle method = JVMCIENV->asMethod(jvmci_method); 1010 JVMCIObject element = JVMCIENV->new_StackTraceElement(method, bci, JVMCI_CHECK_NULL); 1011 return JVMCIENV->get_jobject(element); 1012 C2V_END 1013 1014 C2V_VMENTRY_NULL(jobject, executeHotSpotNmethod, (JNIEnv* env, jobject, jobject args, jobject hs_nmethod)) 1015 // The incoming arguments array would have to contain JavaConstants instead of regular objects 1016 // and the return value would have to be wrapped as a JavaConstant. 1017 requireInHotSpot("executeHotSpotNmethod", JVMCI_CHECK_NULL); 1018 1019 HandleMark hm; 1020 1021 JVMCIObject nmethod_mirror = JVMCIENV->wrap(hs_nmethod); 1022 nmethodLocker locker; 1023 nmethod* nm = JVMCIENV->get_nmethod(nmethod_mirror, locker); 1024 if (nm == NULL || !nm->is_in_use()) { 1025 JVMCI_THROW_NULL(InvalidInstalledCodeException); 1026 } 1027 methodHandle mh = nm->method(); 1028 Symbol* signature = mh->signature(); 1029 JavaCallArguments jca(mh->size_of_parameters()); 1030 1031 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static()); 1032 JavaValue result(jap.get_ret_type()); 1033 jca.set_alternative_target(Handle(THREAD, JNIHandles::resolve(nmethod_mirror.as_jobject()))); 1034 JavaCalls::call(&result, mh, &jca, CHECK_NULL); 1035 1036 if (jap.get_ret_type() == T_VOID) { 1037 return NULL; 1038 } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) { 1039 return JNIHandles::make_local((oop) result.get_jobject()); 1040 } else { 1041 jvalue *value = (jvalue *) result.get_value_addr(); 1042 // Narrow the value down if required (Important on big endian machines) 1043 switch (jap.get_ret_type()) { 1044 case T_BOOLEAN: 1045 value->z = (jboolean) value->i; 1046 break; 1047 case T_BYTE: 1048 value->b = (jbyte) value->i; 1049 break; 1050 case T_CHAR: 1051 value->c = (jchar) value->i; 1052 break; 1053 case T_SHORT: 1054 value->s = (jshort) value->i; 1055 break; 1056 default: 1057 break; 1058 } 1059 JVMCIObject o = JVMCIENV->create_box(jap.get_ret_type(), value, JVMCI_CHECK_NULL); 1060 return JVMCIENV->get_jobject(o); 1061 } 1062 C2V_END 1063 1064 C2V_VMENTRY_NULL(jlongArray, getLineNumberTable, (JNIEnv* env, jobject, jobject jvmci_method)) 1065 Method* method = JVMCIENV->asMethod(jvmci_method); 1066 if (!method->has_linenumber_table()) { 1067 return NULL; 1068 } 1069 u2 num_entries = 0; 1070 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table()); 1071 while (streamForSize.read_pair()) { 1072 num_entries++; 1073 } 1074 1075 CompressedLineNumberReadStream stream(method->compressed_linenumber_table()); 1076 JVMCIPrimitiveArray result = JVMCIENV->new_longArray(2 * num_entries, JVMCI_CHECK_NULL); 1077 1078 int i = 0; 1079 jlong value; 1080 while (stream.read_pair()) { 1081 value = ((long) stream.bci()); 1082 JVMCIENV->put_long_at(result, i, value); 1083 value = ((long) stream.line()); 1084 JVMCIENV->put_long_at(result, i + 1, value); 1085 i += 2; 1086 } 1087 1088 return (jlongArray) JVMCIENV->get_jobject(result); 1089 C2V_END 1090 1091 C2V_VMENTRY_0(jlong, getLocalVariableTableStart, (JNIEnv* env, jobject, jobject jvmci_method)) 1092 Method* method = JVMCIENV->asMethod(jvmci_method); 1093 if (!method->has_localvariable_table()) { 1094 return 0; 1095 } 1096 return (jlong) (address) method->localvariable_table_start(); 1097 C2V_END 1098 1099 C2V_VMENTRY_0(jint, getLocalVariableTableLength, (JNIEnv* env, jobject, jobject jvmci_method)) 1100 Method* method = JVMCIENV->asMethod(jvmci_method); 1101 return method->localvariable_table_length(); 1102 C2V_END 1103 1104 C2V_VMENTRY(void, reprofile, (JNIEnv* env, jobject, jobject jvmci_method)) 1105 Method* method = JVMCIENV->asMethod(jvmci_method); 1106 MethodCounters* mcs = method->method_counters(); 1107 if (mcs != NULL) { 1108 mcs->clear_counters(); 1109 } 1110 NOT_PRODUCT(method->set_compiled_invocation_count(0)); 1111 1112 CompiledMethod* code = method->code(); 1113 if (code != NULL) { 1114 code->make_not_entrant(); 1115 } 1116 1117 MethodData* method_data = method->method_data(); 1118 if (method_data == NULL) { 1119 ClassLoaderData* loader_data = method->method_holder()->class_loader_data(); 1120 method_data = MethodData::allocate(loader_data, method, CHECK); 1121 method->set_method_data(method_data); 1122 } else { 1123 method_data->initialize(); 1124 } 1125 C2V_END 1126 1127 1128 C2V_VMENTRY(void, invalidateHotSpotNmethod, (JNIEnv* env, jobject, jobject hs_nmethod)) 1129 JVMCIObject nmethod_mirror = JVMCIENV->wrap(hs_nmethod); 1130 JVMCIENV->invalidate_nmethod_mirror(nmethod_mirror, JVMCI_CHECK); 1131 C2V_END 1132 1133 C2V_VMENTRY_NULL(jobject, readUncompressedOop, (JNIEnv* env, jobject, jlong addr)) 1134 oop ret = RawAccess<>::oop_load((oop*)(address)addr); 1135 return JVMCIENV->get_jobject(JVMCIENV->get_object_constant(ret)); 1136 C2V_END 1137 1138 C2V_VMENTRY_NULL(jlongArray, collectCounters, (JNIEnv* env, jobject)) 1139 // Returns a zero length array if counters aren't enabled 1140 JVMCIPrimitiveArray array = JVMCIENV->new_longArray(JVMCICounterSize, JVMCI_CHECK_NULL); 1141 if (JVMCICounterSize > 0) { 1142 jlong* temp_array = NEW_RESOURCE_ARRAY(jlong, JVMCICounterSize); 1143 JavaThread::collect_counters(temp_array, JVMCICounterSize); 1144 JVMCIENV->copy_longs_from(temp_array, array, 0, JVMCICounterSize); 1145 } 1146 return (jlongArray) JVMCIENV->get_jobject(array); 1147 C2V_END 1148 1149 C2V_VMENTRY_0(jint, getCountersSize, (JNIEnv* env, jobject)) 1150 return (jint) JVMCICounterSize; 1151 C2V_END 1152 1153 C2V_VMENTRY_0(jboolean, setCountersSize, (JNIEnv* env, jobject, jint new_size)) 1154 return JavaThread::resize_all_jvmci_counters(new_size); 1155 C2V_END 1156 1157 C2V_VMENTRY_0(jint, allocateCompileId, (JNIEnv* env, jobject, jobject jvmci_method, int entry_bci)) 1158 HandleMark hm; 1159 if (jvmci_method == NULL) { 1160 JVMCI_THROW_0(NullPointerException); 1161 } 1162 Method* method = JVMCIENV->asMethod(jvmci_method); 1163 if (entry_bci >= method->code_size() || entry_bci < -1) { 1164 JVMCI_THROW_MSG_0(IllegalArgumentException, err_msg("Unexpected bci %d", entry_bci)); 1165 } 1166 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci); 1167 C2V_END 1168 1169 1170 C2V_VMENTRY_0(jboolean, isMature, (JNIEnv* env, jobject, jlong metaspace_method_data)) 1171 MethodData* mdo = JVMCIENV->asMethodData(metaspace_method_data); 1172 return mdo != NULL && mdo->is_mature(); 1173 C2V_END 1174 1175 C2V_VMENTRY_0(jboolean, hasCompiledCodeForOSR, (JNIEnv* env, jobject, jobject jvmci_method, int entry_bci, int comp_level)) 1176 Method* method = JVMCIENV->asMethod(jvmci_method); 1177 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL; 1178 C2V_END 1179 1180 C2V_VMENTRY_NULL(jobject, getSymbol, (JNIEnv* env, jobject, jlong symbol)) 1181 JVMCIObject sym = JVMCIENV->create_string((Symbol*)(address)symbol, JVMCI_CHECK_NULL); 1182 return JVMCIENV->get_jobject(sym); 1183 C2V_END 1184 1185 bool matches(jobjectArray methods, Method* method, JVMCIEnv* JVMCIENV) { 1186 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods); 1187 1188 for (int i = 0; i < methods_oop->length(); i++) { 1189 oop resolved = methods_oop->obj_at(i); 1190 if ((resolved->klass() == HotSpotJVMCI::HotSpotResolvedJavaMethodImpl::klass()) && HotSpotJVMCI::asMethod(JVMCIENV, resolved) == method) { 1191 return true; 1192 } 1193 } 1194 return false; 1195 } 1196 1197 void call_interface(JavaValue* result, Klass* spec_klass, Symbol* name, Symbol* signature, JavaCallArguments* args, TRAPS) { 1198 CallInfo callinfo; 1199 Handle receiver = args->receiver(); 1200 Klass* recvrKlass = receiver.is_null() ? (Klass*)NULL : receiver->klass(); 1201 LinkInfo link_info(spec_klass, name, signature); 1202 LinkResolver::resolve_interface_call( 1203 callinfo, receiver, recvrKlass, link_info, true, CHECK); 1204 methodHandle method = callinfo.selected_method(); 1205 assert(method.not_null(), "should have thrown exception"); 1206 1207 // Invoke the method 1208 JavaCalls::call(result, method, args, CHECK); 1209 } 1210 1211 C2V_VMENTRY_NULL(jobject, iterateFrames, (JNIEnv* env, jobject compilerToVM, jobjectArray initial_methods, jobjectArray match_methods, jint initialSkip, jobject visitor_handle)) 1212 1213 if (!thread->has_last_Java_frame()) { 1214 return NULL; 1215 } 1216 Handle visitor(THREAD, JNIHandles::resolve_non_null(visitor_handle)); 1217 1218 requireInHotSpot("iterateFrames", JVMCI_CHECK_NULL); 1219 1220 HotSpotJVMCI::HotSpotStackFrameReference::klass()->initialize(CHECK_NULL); 1221 Handle frame_reference = HotSpotJVMCI::HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL); 1222 1223 StackFrameStream fst(thread); 1224 jobjectArray methods = initial_methods; 1225 1226 int frame_number = 0; 1227 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); 1228 1229 while (true) { 1230 // look for the given method 1231 bool realloc_called = false; 1232 while (true) { 1233 StackValueCollection* locals = NULL; 1234 if (vf->is_compiled_frame()) { 1235 // compiled method frame 1236 compiledVFrame* cvf = compiledVFrame::cast(vf); 1237 if (methods == NULL || matches(methods, cvf->method(), JVMCIENV)) { 1238 if (initialSkip > 0) { 1239 initialSkip--; 1240 } else { 1241 ScopeDesc* scope = cvf->scope(); 1242 // native wrappers do not have a scope 1243 if (scope != NULL && scope->objects() != NULL) { 1244 GrowableArray<ScopeValue*>* objects; 1245 if (!realloc_called) { 1246 objects = scope->objects(); 1247 } else { 1248 // some object might already have been re-allocated, only reallocate the non-allocated ones 1249 objects = new GrowableArray<ScopeValue*>(scope->objects()->length()); 1250 for (int i = 0; i < scope->objects()->length(); i++) { 1251 ObjectValue* sv = (ObjectValue*) scope->objects()->at(i); 1252 if (sv->value().is_null()) { 1253 objects->append(sv); 1254 } 1255 } 1256 } 1257 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), fst.register_map(), objects, CHECK_NULL); 1258 Deoptimization::reassign_fields(fst.current(), fst.register_map(), objects, realloc_failures, false); 1259 realloc_called = true; 1260 1261 GrowableArray<ScopeValue*>* local_values = scope->locals(); 1262 assert(local_values != NULL, "NULL locals"); 1263 typeArrayOop array_oop = oopFactory::new_boolArray(local_values->length(), CHECK_NULL); 1264 typeArrayHandle array(THREAD, array_oop); 1265 for (int i = 0; i < local_values->length(); i++) { 1266 ScopeValue* value = local_values->at(i); 1267 if (value->is_object()) { 1268 array->bool_at_put(i, true); 1269 } 1270 } 1271 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), array()); 1272 } else { 1273 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), NULL); 1274 } 1275 1276 locals = cvf->locals(); 1277 HotSpotJVMCI::HotSpotStackFrameReference::set_bci(JVMCIENV, frame_reference(), cvf->bci()); 1278 JVMCIObject method = JVMCIENV->get_jvmci_method(cvf->method(), JVMCI_CHECK_NULL); 1279 HotSpotJVMCI::HotSpotStackFrameReference::set_method(JVMCIENV, frame_reference(), JNIHandles::resolve(method.as_jobject())); 1280 } 1281 } 1282 } else if (vf->is_interpreted_frame()) { 1283 // interpreted method frame 1284 interpretedVFrame* ivf = interpretedVFrame::cast(vf); 1285 if (methods == NULL || matches(methods, ivf->method(), JVMCIENV)) { 1286 if (initialSkip > 0) { 1287 initialSkip--; 1288 } else { 1289 locals = ivf->locals(); 1290 HotSpotJVMCI::HotSpotStackFrameReference::set_bci(JVMCIENV, frame_reference(), ivf->bci()); 1291 JVMCIObject method = JVMCIENV->get_jvmci_method(ivf->method(), JVMCI_CHECK_NULL); 1292 HotSpotJVMCI::HotSpotStackFrameReference::set_method(JVMCIENV, frame_reference(), JNIHandles::resolve(method.as_jobject())); 1293 HotSpotJVMCI::HotSpotStackFrameReference::set_localIsVirtual(JVMCIENV, frame_reference(), NULL); 1294 } 1295 } 1296 } 1297 1298 // locals != NULL means that we found a matching frame and result is already partially initialized 1299 if (locals != NULL) { 1300 methods = match_methods; 1301 HotSpotJVMCI::HotSpotStackFrameReference::set_compilerToVM(JVMCIENV, frame_reference(), JNIHandles::resolve(compilerToVM)); 1302 HotSpotJVMCI::HotSpotStackFrameReference::set_stackPointer(JVMCIENV, frame_reference(), (jlong) fst.current()->sp()); 1303 HotSpotJVMCI::HotSpotStackFrameReference::set_frameNumber(JVMCIENV, frame_reference(), frame_number); 1304 1305 // initialize the locals array 1306 objArrayOop array_oop = oopFactory::new_objectArray(locals->size(), CHECK_NULL); 1307 objArrayHandle array(THREAD, array_oop); 1308 for (int i = 0; i < locals->size(); i++) { 1309 StackValue* var = locals->at(i); 1310 if (var->type() == T_OBJECT) { 1311 array->obj_at_put(i, locals->at(i)->get_obj()()); 1312 } 1313 } 1314 HotSpotJVMCI::HotSpotStackFrameReference::set_locals(JVMCIENV, frame_reference(), array()); 1315 HotSpotJVMCI::HotSpotStackFrameReference::set_objectsMaterialized(JVMCIENV, frame_reference(), JNI_FALSE); 1316 1317 JavaValue result(T_OBJECT); 1318 JavaCallArguments args(visitor); 1319 args.push_oop(frame_reference); 1320 call_interface(&result, HotSpotJVMCI::InspectedFrameVisitor::klass(), vmSymbols::visitFrame_name(), vmSymbols::visitFrame_signature(), &args, CHECK_NULL); 1321 if (result.get_jobject() != NULL) { 1322 return JNIHandles::make_local(thread, (oop) result.get_jobject()); 1323 } 1324 assert(initialSkip == 0, "There should be no match before initialSkip == 0"); 1325 if (HotSpotJVMCI::HotSpotStackFrameReference::objectsMaterialized(JVMCIENV, frame_reference()) == JNI_TRUE) { 1326 // the frame has been deoptimized, we need to re-synchronize the frame and vframe 1327 intptr_t* stack_pointer = (intptr_t*) HotSpotJVMCI::HotSpotStackFrameReference::stackPointer(JVMCIENV, frame_reference()); 1328 fst = StackFrameStream(thread); 1329 while (fst.current()->sp() != stack_pointer && !fst.is_done()) { 1330 fst.next(); 1331 } 1332 if (fst.current()->sp() != stack_pointer) { 1333 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt") 1334 } 1335 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); 1336 if (!vf->is_compiled_frame()) { 1337 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected") 1338 } 1339 for (int i = 0; i < frame_number; i++) { 1340 if (vf->is_top()) { 1341 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "vframe not found after deopt") 1342 } 1343 vf = vf->sender(); 1344 assert(vf->is_compiled_frame(), "Wrong frame type"); 1345 } 1346 } 1347 frame_reference = HotSpotJVMCI::HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL); 1348 HotSpotJVMCI::HotSpotStackFrameReference::klass()->initialize(CHECK_NULL); 1349 } 1350 1351 if (vf->is_top()) { 1352 break; 1353 } 1354 frame_number++; 1355 vf = vf->sender(); 1356 } // end of vframe loop 1357 1358 if (fst.is_done()) { 1359 break; 1360 } 1361 fst.next(); 1362 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); 1363 frame_number = 0; 1364 } // end of frame loop 1365 1366 // the end was reached without finding a matching method 1367 return NULL; 1368 C2V_END 1369 1370 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 1371 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool); 1372 CallInfo callInfo; 1373 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK); 1374 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index); 1375 cp_cache_entry->set_dynamic_call(cp, callInfo); 1376 C2V_END 1377 1378 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 1379 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool); 1380 Klass* holder = cp->klass_ref_at(index, CHECK); 1381 Symbol* name = cp->name_ref_at(index); 1382 if (MethodHandles::is_signature_polymorphic_name(holder, name)) { 1383 CallInfo callInfo; 1384 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK); 1385 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index)); 1386 cp_cache_entry->set_method_handle(cp, callInfo); 1387 } 1388 C2V_END 1389 1390 C2V_VMENTRY_0(jint, isResolvedInvokeHandleInPool, (JNIEnv* env, jobject, jobject jvmci_constant_pool, jint index)) 1391 constantPoolHandle cp = JVMCIENV->asConstantPool(jvmci_constant_pool); 1392 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index)); 1393 if (cp_cache_entry->is_resolved(Bytecodes::_invokehandle)) { 1394 // MethodHandle.invoke* --> LambdaForm? 1395 ResourceMark rm; 1396 1397 LinkInfo link_info(cp, index, CATCH); 1398 1399 Klass* resolved_klass = link_info.resolved_klass(); 1400 1401 Symbol* name_sym = cp->name_ref_at(index); 1402 1403 vmassert(MethodHandles::is_method_handle_invoke_name(resolved_klass, name_sym), "!"); 1404 vmassert(MethodHandles::is_signature_polymorphic_name(resolved_klass, name_sym), "!"); 1405 1406 methodHandle adapter_method(cp_cache_entry->f1_as_method()); 1407 1408 methodHandle resolved_method(adapter_method); 1409 1410 // Can we treat it as a regular invokevirtual? 1411 if (resolved_method->method_holder() == resolved_klass && resolved_method->name() == name_sym) { 1412 vmassert(!resolved_method->is_static(),"!"); 1413 vmassert(MethodHandles::is_signature_polymorphic_method(resolved_method()),"!"); 1414 vmassert(!MethodHandles::is_signature_polymorphic_static(resolved_method->intrinsic_id()), "!"); 1415 vmassert(cp_cache_entry->appendix_if_resolved(cp) == NULL, "!"); 1416 vmassert(cp_cache_entry->method_type_if_resolved(cp) == NULL, "!"); 1417 1418 methodHandle m(LinkResolver::linktime_resolve_virtual_method_or_null(link_info)); 1419 vmassert(m == resolved_method, "!!"); 1420 return -1; 1421 } 1422 1423 return Bytecodes::_invokevirtual; 1424 } 1425 if (cp_cache_entry->is_resolved(Bytecodes::_invokedynamic)) { 1426 return Bytecodes::_invokedynamic; 1427 } 1428 return -1; 1429 C2V_END 1430 1431 1432 C2V_VMENTRY_NULL(jobject, getSignaturePolymorphicHolders, (JNIEnv* env, jobject)) 1433 JVMCIObjectArray holders = JVMCIENV->new_String_array(2, JVMCI_CHECK_NULL); 1434 JVMCIObject mh = JVMCIENV->create_string("Ljava/lang/invoke/MethodHandle;", JVMCI_CHECK_NULL); 1435 JVMCIObject vh = JVMCIENV->create_string("Ljava/lang/invoke/VarHandle;", JVMCI_CHECK_NULL); 1436 JVMCIENV->put_object_at(holders, 0, mh); 1437 JVMCIENV->put_object_at(holders, 1, vh); 1438 return JVMCIENV->get_jobject(holders); 1439 C2V_END 1440 1441 C2V_VMENTRY_0(jboolean, shouldDebugNonSafepoints, (JNIEnv* env, jobject)) 1442 //see compute_recording_non_safepoints in debugInfroRec.cpp 1443 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) { 1444 return true; 1445 } 1446 return DebugNonSafepoints; 1447 C2V_END 1448 1449 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate); 1450 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv* env, jobject, jobject _hs_frame, bool invalidate)) 1451 JVMCIObject hs_frame = JVMCIENV->wrap(_hs_frame); 1452 if (hs_frame.is_null()) { 1453 JVMCI_THROW_MSG(NullPointerException, "stack frame is null"); 1454 } 1455 1456 requireInHotSpot("materializeVirtualObjects", JVMCI_CHECK); 1457 1458 JVMCIENV->HotSpotStackFrameReference_initialize(JVMCI_CHECK); 1459 1460 // look for the given stack frame 1461 StackFrameStream fst(thread); 1462 intptr_t* stack_pointer = (intptr_t*) JVMCIENV->get_HotSpotStackFrameReference_stackPointer(hs_frame); 1463 while (fst.current()->sp() != stack_pointer && !fst.is_done()) { 1464 fst.next(); 1465 } 1466 if (fst.current()->sp() != stack_pointer) { 1467 JVMCI_THROW_MSG(IllegalStateException, "stack frame not found"); 1468 } 1469 1470 if (invalidate) { 1471 if (!fst.current()->is_compiled_frame()) { 1472 JVMCI_THROW_MSG(IllegalStateException, "compiled stack frame expected"); 1473 } 1474 assert(fst.current()->cb()->is_nmethod(), "nmethod expected"); 1475 ((nmethod*) fst.current()->cb())->make_not_entrant(); 1476 } 1477 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none); 1478 // look for the frame again as it has been updated by deopt (pc, deopt state...) 1479 StackFrameStream fstAfterDeopt(thread); 1480 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) { 1481 fstAfterDeopt.next(); 1482 } 1483 if (fstAfterDeopt.current()->sp() != stack_pointer) { 1484 JVMCI_THROW_MSG(IllegalStateException, "stack frame not found after deopt"); 1485 } 1486 1487 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread); 1488 if (!vf->is_compiled_frame()) { 1489 JVMCI_THROW_MSG(IllegalStateException, "compiled stack frame expected"); 1490 } 1491 1492 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10); 1493 while (true) { 1494 assert(vf->is_compiled_frame(), "Wrong frame type"); 1495 virtualFrames->push(compiledVFrame::cast(vf)); 1496 if (vf->is_top()) { 1497 break; 1498 } 1499 vf = vf->sender(); 1500 } 1501 1502 int last_frame_number = JVMCIENV->get_HotSpotStackFrameReference_frameNumber(hs_frame); 1503 if (last_frame_number >= virtualFrames->length()) { 1504 JVMCI_THROW_MSG(IllegalStateException, "invalid frame number"); 1505 } 1506 1507 // Reallocate the non-escaping objects and restore their fields. 1508 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope"); 1509 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects(); 1510 1511 if (objects == NULL) { 1512 // no objects to materialize 1513 return; 1514 } 1515 1516 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, CHECK); 1517 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false); 1518 1519 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) { 1520 compiledVFrame* cvf = virtualFrames->at(frame_index); 1521 1522 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals(); 1523 StackValueCollection* locals = cvf->locals(); 1524 if (locals != NULL) { 1525 for (int i2 = 0; i2 < locals->size(); i2++) { 1526 StackValue* var = locals->at(i2); 1527 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) { 1528 jvalue val; 1529 val.l = (jobject) locals->at(i2)->get_obj()(); 1530 cvf->update_local(T_OBJECT, i2, val); 1531 } 1532 } 1533 } 1534 1535 GrowableArray<ScopeValue*>* scopeExpressions = cvf->scope()->expressions(); 1536 StackValueCollection* expressions = cvf->expressions(); 1537 if (expressions != NULL) { 1538 for (int i2 = 0; i2 < expressions->size(); i2++) { 1539 StackValue* var = expressions->at(i2); 1540 if (var->type() == T_OBJECT && scopeExpressions->at(i2)->is_object()) { 1541 jvalue val; 1542 val.l = (jobject) expressions->at(i2)->get_obj()(); 1543 cvf->update_stack(T_OBJECT, i2, val); 1544 } 1545 } 1546 } 1547 1548 GrowableArray<MonitorValue*>* scopeMonitors = cvf->scope()->monitors(); 1549 GrowableArray<MonitorInfo*>* monitors = cvf->monitors(); 1550 if (monitors != NULL) { 1551 for (int i2 = 0; i2 < monitors->length(); i2++) { 1552 cvf->update_monitor(i2, monitors->at(i2)); 1553 } 1554 } 1555 } 1556 1557 // all locals are materialized by now 1558 JVMCIENV->set_HotSpotStackFrameReference_localIsVirtual(hs_frame, NULL); 1559 // update the locals array 1560 JVMCIObjectArray array = JVMCIENV->get_HotSpotStackFrameReference_locals(hs_frame); 1561 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals(); 1562 for (int i = 0; i < locals->size(); i++) { 1563 StackValue* var = locals->at(i); 1564 if (var->type() == T_OBJECT) { 1565 JVMCIENV->put_object_at(array, i, HotSpotJVMCI::wrap(locals->at(i)->get_obj()())); 1566 } 1567 } 1568 HotSpotJVMCI::HotSpotStackFrameReference::set_objectsMaterialized(JVMCIENV, hs_frame, JNI_TRUE); 1569 C2V_END 1570 1571 // Creates a scope where the current thread is attached and detached 1572 // from HotSpot if it wasn't already attached when entering the scope. 1573 extern "C" void jio_printf(const char *fmt, ...); 1574 class AttachDetach : public StackObj { 1575 public: 1576 bool _attached; 1577 AttachDetach(JNIEnv* env, Thread* current_thread) { 1578 if (current_thread == NULL) { 1579 extern struct JavaVM_ main_vm; 1580 JNIEnv* hotspotEnv; 1581 jint res = main_vm.AttachCurrentThread((void**)&hotspotEnv, NULL); 1582 _attached = res == JNI_OK; 1583 static volatile int report_attach_error = 0; 1584 if (res != JNI_OK && report_attach_error == 0 && Atomic::cmpxchg(1, &report_attach_error, 0) == 0) { 1585 // Only report an attach error once 1586 jio_printf("Warning: attaching current thread to VM failed with %d (future attach errors are suppressed)\n", res); 1587 } 1588 } else { 1589 _attached = false; 1590 } 1591 } 1592 ~AttachDetach() { 1593 if (_attached && get_current_thread() != NULL) { 1594 extern struct JavaVM_ main_vm; 1595 jint res = main_vm.DetachCurrentThread(); 1596 static volatile int report_detach_error = 0; 1597 if (res != JNI_OK && report_detach_error == 0 && Atomic::cmpxchg(1, &report_detach_error, 0) == 0) { 1598 // Only report an attach error once 1599 jio_printf("Warning: detaching current thread from VM failed with %d (future attach errors are suppressed)\n", res); 1600 } 1601 } 1602 } 1603 }; 1604 1605 C2V_VMENTRY_PREFIX(jint, writeDebugOutput, (JNIEnv* env, jobject, jbyteArray bytes, jint offset, jint length, bool flush, bool can_throw)) 1606 AttachDetach ad(env, base_thread); 1607 bool use_tty = true; 1608 if (base_thread == NULL) { 1609 if (!ad._attached) { 1610 // Can only use tty if the current thread is attached 1611 return 0; 1612 } 1613 base_thread = get_current_thread(); 1614 } 1615 JVMCITraceMark jtm("writeDebugOutput"); 1616 assert(base_thread->is_Java_thread(), "just checking"); 1617 JavaThread* thread = (JavaThread*) base_thread; 1618 C2V_BLOCK(void, writeDebugOutput, (JNIEnv* env, jobject, jbyteArray bytes, jint offset, jint length)) 1619 if (bytes == NULL) { 1620 if (can_throw) { 1621 JVMCI_THROW_0(NullPointerException); 1622 } 1623 return -1; 1624 } 1625 JVMCIPrimitiveArray array = JVMCIENV->wrap(bytes); 1626 1627 // Check if offset and length are non negative. 1628 if (offset < 0 || length < 0) { 1629 if (can_throw) { 1630 JVMCI_THROW_0(ArrayIndexOutOfBoundsException); 1631 } 1632 return -2; 1633 } 1634 // Check if the range is valid. 1635 int array_length = JVMCIENV->get_length(array); 1636 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array_length)) { 1637 if (can_throw) { 1638 JVMCI_THROW_0(ArrayIndexOutOfBoundsException); 1639 } 1640 return -2; 1641 } 1642 jbyte buffer[O_BUFLEN]; 1643 while (length > 0) { 1644 int copy_len = MIN2(length, (jint)O_BUFLEN); 1645 JVMCIENV->copy_bytes_to(array, buffer, offset, copy_len); 1646 tty->write((char*) buffer, copy_len); 1647 length -= O_BUFLEN; 1648 offset += O_BUFLEN; 1649 } 1650 if (flush) { 1651 tty->flush(); 1652 } 1653 return 0; 1654 C2V_END 1655 1656 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv* env, jobject)) 1657 tty->flush(); 1658 C2V_END 1659 1660 C2V_VMENTRY_0(jint, methodDataProfileDataSize, (JNIEnv* env, jobject, jlong metaspace_method_data, jint position)) 1661 MethodData* mdo = JVMCIENV->asMethodData(metaspace_method_data); 1662 ProfileData* profile_data = mdo->data_at(position); 1663 if (mdo->is_valid(profile_data)) { 1664 return profile_data->size_in_bytes(); 1665 } 1666 DataLayout* data = mdo->extra_data_base(); 1667 DataLayout* end = mdo->extra_data_limit(); 1668 for (;; data = mdo->next_extra(data)) { 1669 assert(data < end, "moved past end of extra data"); 1670 profile_data = data->data_in(); 1671 if (mdo->dp_to_di(profile_data->dp()) == position) { 1672 return profile_data->size_in_bytes(); 1673 } 1674 } 1675 JVMCI_THROW_MSG_0(IllegalArgumentException, err_msg("Invalid profile data position %d", position)); 1676 C2V_END 1677 1678 C2V_VMENTRY_0(jlong, getFingerprint, (JNIEnv* env, jobject, jlong metaspace_klass)) 1679 #if INCLUDE_AOT 1680 Klass *k = (Klass*) (address) metaspace_klass; 1681 if (k->is_instance_klass()) { 1682 return InstanceKlass::cast(k)->get_stored_fingerprint(); 1683 } else { 1684 return 0; 1685 } 1686 #else 1687 JVMCI_THROW_MSG_0(InternalError, "unimplemented"); 1688 #endif 1689 C2V_END 1690 1691 C2V_VMENTRY_NULL(jobject, getHostClass, (JNIEnv* env, jobject, jobject jvmci_type)) 1692 InstanceKlass* k = InstanceKlass::cast(JVMCIENV->asKlass(jvmci_type)); 1693 InstanceKlass* host = k->host_klass(); 1694 JVMCIKlassHandle handle(THREAD, host); 1695 JVMCIObject result = JVMCIENV->get_jvmci_type(handle, JVMCI_CHECK_NULL); 1696 return JVMCIENV->get_jobject(result); 1697 C2V_END 1698 1699 C2V_VMENTRY_NULL(jobject, getInterfaces, (JNIEnv* env, jobject, jobject jvmci_type)) 1700 if (jvmci_type == NULL) { 1701 JVMCI_THROW_0(NullPointerException); 1702 } 1703 1704 Klass* klass = JVMCIENV->asKlass(jvmci_type); 1705 if (klass == NULL) { 1706 JVMCI_THROW_0(NullPointerException); 1707 } 1708 if (!klass->is_instance_klass()) { 1709 JVMCI_THROW_MSG_0(InternalError, err_msg("Class %s must be instance klass", klass->external_name())); 1710 } 1711 InstanceKlass* iklass = InstanceKlass::cast(klass); 1712 1713 // Regular instance klass, fill in all local interfaces 1714 int size = iklass->local_interfaces()->length(); 1715 JVMCIObjectArray interfaces = JVMCIENV->new_HotSpotResolvedObjectTypeImpl_array(size, JVMCI_CHECK_NULL); 1716 for (int index = 0; index < size; index++) { 1717 JVMCIKlassHandle klass(THREAD); 1718 Klass* k = iklass->local_interfaces()->at(index); 1719 klass = k; 1720 JVMCIObject type = JVMCIENV->get_jvmci_type(klass, JVMCI_CHECK_NULL); 1721 JVMCIENV->put_object_at(interfaces, index, type); 1722 } 1723 return JVMCIENV->get_jobject(interfaces); 1724 C2V_END 1725 1726 C2V_VMENTRY_NULL(jobject, getComponentType, (JNIEnv* env, jobject, jobject jvmci_type)) 1727 if (jvmci_type == NULL) { 1728 JVMCI_THROW_0(NullPointerException); 1729 } 1730 1731 Klass* klass = JVMCIENV->asKlass(jvmci_type); 1732 oop mirror = klass->java_mirror(); 1733 if (java_lang_Class::is_primitive(mirror) || 1734 !java_lang_Class::as_Klass(mirror)->is_array_klass()) { 1735 return NULL; 1736 } 1737 1738 oop component_mirror = java_lang_Class::component_mirror(mirror); 1739 if (component_mirror == NULL) { 1740 return NULL; 1741 } 1742 Klass* component_klass = java_lang_Class::as_Klass(component_mirror); 1743 if (component_klass != NULL) { 1744 JVMCIKlassHandle klass_handle(THREAD); 1745 klass_handle = component_klass; 1746 JVMCIObject result = JVMCIENV->get_jvmci_type(klass_handle, JVMCI_CHECK_NULL); 1747 return JVMCIENV->get_jobject(result); 1748 } 1749 BasicType type = java_lang_Class::primitive_type(component_mirror); 1750 JVMCIObject result = JVMCIENV->get_jvmci_primitive_type(type); 1751 return JVMCIENV->get_jobject(result); 1752 C2V_END 1753 1754 C2V_VMENTRY(void, ensureInitialized, (JNIEnv* env, jobject, jobject jvmci_type)) 1755 if (jvmci_type == NULL) { 1756 JVMCI_THROW(NullPointerException); 1757 } 1758 1759 Klass* klass = JVMCIENV->asKlass(jvmci_type); 1760 if (klass != NULL && klass->should_be_initialized()) { 1761 InstanceKlass* k = InstanceKlass::cast(klass); 1762 k->initialize(CHECK); 1763 } 1764 C2V_END 1765 1766 C2V_VMENTRY_0(jint, interpreterFrameSize, (JNIEnv* env, jobject, jobject bytecode_frame_handle)) 1767 if (bytecode_frame_handle == NULL) { 1768 JVMCI_THROW_0(NullPointerException); 1769 } 1770 1771 JVMCIObject top_bytecode_frame = JVMCIENV->wrap(bytecode_frame_handle); 1772 JVMCIObject bytecode_frame = top_bytecode_frame; 1773 int size = 0; 1774 int callee_parameters = 0; 1775 int callee_locals = 0; 1776 Method* method = JVMCIENV->asMethod(JVMCIENV->get_BytecodePosition_method(bytecode_frame)); 1777 int extra_args = method->max_stack() - JVMCIENV->get_BytecodeFrame_numStack(bytecode_frame); 1778 1779 while (bytecode_frame.is_non_null()) { 1780 int locks = JVMCIENV->get_BytecodeFrame_numLocks(bytecode_frame); 1781 int temps = JVMCIENV->get_BytecodeFrame_numStack(bytecode_frame); 1782 bool is_top_frame = (JVMCIENV->equals(bytecode_frame, top_bytecode_frame)); 1783 Method* method = JVMCIENV->asMethod(JVMCIENV->get_BytecodePosition_method(bytecode_frame)); 1784 1785 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(), 1786 temps + callee_parameters, 1787 extra_args, 1788 locks, 1789 callee_parameters, 1790 callee_locals, 1791 is_top_frame); 1792 size += frame_size; 1793 1794 callee_parameters = method->size_of_parameters(); 1795 callee_locals = method->max_locals(); 1796 extra_args = 0; 1797 bytecode_frame = JVMCIENV->get_BytecodePosition_caller(bytecode_frame); 1798 } 1799 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord; 1800 C2V_END 1801 1802 C2V_VMENTRY(void, compileToBytecode, (JNIEnv* env, jobject, jobject lambda_form_handle)) 1803 Handle lambda_form = JVMCIENV->asConstant(JVMCIENV->wrap(lambda_form_handle), JVMCI_CHECK); 1804 if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) { 1805 TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode", CHECK); 1806 JavaValue result(T_VOID); 1807 JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK); 1808 } else { 1809 JVMCI_THROW_MSG(IllegalArgumentException, 1810 err_msg("Unexpected type: %s", lambda_form->klass()->external_name())) 1811 } 1812 C2V_END 1813 1814 C2V_VMENTRY_0(jint, getIdentityHashCode, (JNIEnv* env, jobject, jobject object)) 1815 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0); 1816 return obj->identity_hash(); 1817 C2V_END 1818 1819 C2V_VMENTRY_0(jboolean, isInternedString, (JNIEnv* env, jobject, jobject object)) 1820 Handle str = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0); 1821 if (!java_lang_String::is_instance(str())) { 1822 return false; 1823 } 1824 int len; 1825 jchar* name = java_lang_String::as_unicode_string(str(), len, CHECK_0); 1826 return (StringTable::lookup(name, len) != NULL); 1827 C2V_END 1828 1829 1830 C2V_VMENTRY_NULL(jobject, unboxPrimitive, (JNIEnv* env, jobject, jobject object)) 1831 if (object == NULL) { 1832 JVMCI_THROW_0(NullPointerException); 1833 } 1834 Handle box = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL); 1835 BasicType type = java_lang_boxing_object::basic_type(box()); 1836 jvalue result; 1837 if (java_lang_boxing_object::get_value(box(), &result) == T_ILLEGAL) { 1838 return NULL; 1839 } 1840 JVMCIObject boxResult = JVMCIENV->create_box(type, &result, JVMCI_CHECK_NULL); 1841 return JVMCIENV->get_jobject(boxResult); 1842 C2V_END 1843 1844 C2V_VMENTRY_NULL(jobject, boxPrimitive, (JNIEnv* env, jobject, jobject object)) 1845 if (object == NULL) { 1846 JVMCI_THROW_0(NullPointerException); 1847 } 1848 JVMCIObject box = JVMCIENV->wrap(object); 1849 BasicType type = JVMCIENV->get_box_type(box); 1850 if (type == T_ILLEGAL) { 1851 return NULL; 1852 } 1853 jvalue value = JVMCIENV->get_boxed_value(type, box); 1854 JavaValue box_result(T_OBJECT); 1855 JavaCallArguments jargs; 1856 Klass* box_klass = NULL; 1857 Symbol* box_signature = NULL; 1858 #define BOX_CASE(bt, v, argtype, name) \ 1859 case bt: \ 1860 jargs.push_##argtype(value.v); \ 1861 box_klass = SystemDictionary::name##_klass(); \ 1862 box_signature = vmSymbols::name##_valueOf_signature(); \ 1863 break 1864 1865 switch (type) { 1866 BOX_CASE(T_BOOLEAN, z, int, Boolean); 1867 BOX_CASE(T_BYTE, b, int, Byte); 1868 BOX_CASE(T_CHAR, c, int, Character); 1869 BOX_CASE(T_SHORT, s, int, Short); 1870 BOX_CASE(T_INT, i, int, Integer); 1871 BOX_CASE(T_LONG, j, long, Long); 1872 BOX_CASE(T_FLOAT, f, float, Float); 1873 BOX_CASE(T_DOUBLE, d, double, Double); 1874 default: 1875 ShouldNotReachHere(); 1876 } 1877 #undef BOX_CASE 1878 1879 JavaCalls::call_static(&box_result, 1880 box_klass, 1881 vmSymbols::valueOf_name(), 1882 box_signature, &jargs, CHECK_NULL); 1883 oop hotspot_box = (oop) box_result.get_jobject(); 1884 JVMCIObject result = JVMCIENV->get_object_constant(hotspot_box, false); 1885 return JVMCIENV->get_jobject(result); 1886 C2V_END 1887 1888 C2V_VMENTRY_NULL(jobjectArray, getDeclaredConstructors, (JNIEnv* env, jobject, jobject holder)) 1889 if (holder == NULL) { 1890 JVMCI_THROW_0(NullPointerException); 1891 } 1892 Klass* klass = JVMCIENV->asKlass(holder); 1893 if (!klass->is_instance_klass()) { 1894 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL); 1895 return JVMCIENV->get_jobjectArray(methods); 1896 } 1897 1898 InstanceKlass* iklass = InstanceKlass::cast(klass); 1899 // Ensure class is linked 1900 iklass->link_class(CHECK_NULL); 1901 1902 GrowableArray<Method*> constructors_array; 1903 for (int i = 0; i < iklass->methods()->length(); i++) { 1904 Method* m = iklass->methods()->at(i); 1905 if (m->is_initializer() && !m->is_static()) { 1906 constructors_array.append(m); 1907 } 1908 } 1909 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(constructors_array.length(), JVMCI_CHECK_NULL); 1910 for (int i = 0; i < constructors_array.length(); i++) { 1911 JVMCIObject method = JVMCIENV->get_jvmci_method(constructors_array.at(i), JVMCI_CHECK_NULL); 1912 JVMCIENV->put_object_at(methods, i, method); 1913 } 1914 return JVMCIENV->get_jobjectArray(methods); 1915 C2V_END 1916 1917 C2V_VMENTRY_NULL(jobjectArray, getDeclaredMethods, (JNIEnv* env, jobject, jobject holder)) 1918 if (holder == NULL) { 1919 JVMCI_THROW_0(NullPointerException); 1920 } 1921 Klass* klass = JVMCIENV->asKlass(holder); 1922 if (!klass->is_instance_klass()) { 1923 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(0, JVMCI_CHECK_NULL); 1924 return JVMCIENV->get_jobjectArray(methods); 1925 } 1926 1927 InstanceKlass* iklass = InstanceKlass::cast(klass); 1928 // Ensure class is linked 1929 iklass->link_class(CHECK_NULL); 1930 1931 GrowableArray<Method*> methods_array; 1932 for (int i = 0; i < iklass->methods()->length(); i++) { 1933 Method* m = iklass->methods()->at(i); 1934 if (!m->is_initializer() && !m->is_overpass()) { 1935 methods_array.append(m); 1936 } 1937 } 1938 JVMCIObjectArray methods = JVMCIENV->new_ResolvedJavaMethod_array(methods_array.length(), JVMCI_CHECK_NULL); 1939 for (int i = 0; i < methods_array.length(); i++) { 1940 JVMCIObject method = JVMCIENV->get_jvmci_method(methods_array.at(i), JVMCI_CHECK_NULL); 1941 JVMCIENV->put_object_at(methods, i, method); 1942 } 1943 return JVMCIENV->get_jobjectArray(methods); 1944 C2V_END 1945 1946 C2V_VMENTRY_NULL(jobject, readFieldValue, (JNIEnv* env, jobject, jobject object, jobject field, jboolean is_volatile)) 1947 if (object == NULL || field == NULL) { 1948 JVMCI_THROW_0(NullPointerException); 1949 } 1950 JVMCIObject field_object = JVMCIENV->wrap(field); 1951 JVMCIObject java_type = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_type(field_object); 1952 int modifiers = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_modifiers(field_object); 1953 Klass* holder = JVMCIENV->asKlass(JVMCIENV->get_HotSpotResolvedJavaFieldImpl_holder(field_object)); 1954 if (!holder->is_instance_klass()) { 1955 JVMCI_THROW_MSG_0(InternalError, err_msg("Holder %s must be instance klass", holder->external_name())); 1956 } 1957 InstanceKlass* ik = InstanceKlass::cast(holder); 1958 BasicType constant_type; 1959 if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(java_type)) { 1960 constant_type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(java_type), JVMCI_CHECK_NULL); 1961 } else { 1962 constant_type = T_OBJECT; 1963 } 1964 int displacement = JVMCIENV->get_HotSpotResolvedJavaFieldImpl_offset(field_object); 1965 fieldDescriptor fd; 1966 if (!ik->find_local_field_from_offset(displacement, (modifiers & JVM_ACC_STATIC) != 0, &fd)) { 1967 JVMCI_THROW_MSG_0(InternalError, err_msg("Can't find field with displacement %d", displacement)); 1968 } 1969 JVMCIObject base = JVMCIENV->wrap(object); 1970 Handle obj; 1971 if (JVMCIENV->isa_HotSpotObjectConstantImpl(base)) { 1972 obj = JVMCIENV->asConstant(base, JVMCI_CHECK_NULL); 1973 } else if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base)) { 1974 Klass* klass = JVMCIENV->asKlass(base); 1975 obj = Handle(THREAD, klass->java_mirror()); 1976 } else { 1977 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 1978 err_msg("Unexpected type: %s", JVMCIENV->klass_name(base))); 1979 } 1980 jlong value = 0; 1981 JVMCIObject kind; 1982 switch (constant_type) { 1983 case T_OBJECT: { 1984 oop object = is_volatile ? obj->obj_field_acquire(displacement) : obj->obj_field(displacement); 1985 JVMCIObject result = JVMCIENV->get_object_constant(object); 1986 if (result.is_null()) { 1987 return JVMCIENV->get_jobject(JVMCIENV->get_JavaConstant_NULL_POINTER()); 1988 } 1989 return JVMCIENV->get_jobject(result); 1990 } 1991 case T_FLOAT: { 1992 float f = is_volatile ? obj->float_field_acquire(displacement) : obj->float_field(displacement); 1993 JVMCIObject result = JVMCIENV->call_JavaConstant_forFloat(f, JVMCI_CHECK_NULL); 1994 return JVMCIENV->get_jobject(result); 1995 } 1996 case T_DOUBLE: { 1997 double f = is_volatile ? obj->double_field_acquire(displacement) : obj->double_field(displacement); 1998 JVMCIObject result = JVMCIENV->call_JavaConstant_forDouble(f, JVMCI_CHECK_NULL); 1999 return JVMCIENV->get_jobject(result); 2000 } 2001 case T_BOOLEAN: value = is_volatile ? obj->bool_field_acquire(displacement) : obj->bool_field(displacement); break; 2002 case T_BYTE: value = is_volatile ? obj->byte_field_acquire(displacement) : obj->byte_field(displacement); break; 2003 case T_SHORT: value = is_volatile ? obj->short_field_acquire(displacement) : obj->short_field(displacement); break; 2004 case T_CHAR: value = is_volatile ? obj->char_field_acquire(displacement) : obj->char_field(displacement); break; 2005 case T_INT: value = is_volatile ? obj->int_field_acquire(displacement) : obj->int_field(displacement); break; 2006 case T_LONG: value = is_volatile ? obj->long_field_acquire(displacement) : obj->long_field(displacement); break; 2007 default: 2008 ShouldNotReachHere(); 2009 } 2010 JVMCIObject result = JVMCIENV->call_PrimitiveConstant_forTypeChar(type2char(constant_type), value, JVMCI_CHECK_NULL); 2011 return JVMCIENV->get_jobject(result); 2012 C2V_END 2013 2014 C2V_VMENTRY_0(jboolean, isInstance, (JNIEnv* env, jobject, jobject holder, jobject object)) 2015 if (object == NULL || holder == NULL) { 2016 JVMCI_THROW_0(NullPointerException); 2017 } 2018 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_0); 2019 Klass* klass = JVMCIENV->asKlass(JVMCIENV->wrap(holder)); 2020 return obj->is_a(klass); 2021 C2V_END 2022 2023 C2V_VMENTRY_0(jboolean, isAssignableFrom, (JNIEnv* env, jobject, jobject holder, jobject otherHolder)) 2024 if (holder == NULL || otherHolder == NULL) { 2025 JVMCI_THROW_0(NullPointerException); 2026 } 2027 Klass* klass = JVMCIENV->asKlass(JVMCIENV->wrap(holder)); 2028 Klass* otherKlass = JVMCIENV->asKlass(JVMCIENV->wrap(otherHolder)); 2029 return otherKlass->is_subtype_of(klass); 2030 C2V_END 2031 2032 C2V_VMENTRY_0(jboolean, isTrustedForIntrinsics, (JNIEnv* env, jobject, jobject holder)) 2033 if (holder == NULL) { 2034 JVMCI_THROW_0(NullPointerException); 2035 } 2036 InstanceKlass* ik = InstanceKlass::cast(JVMCIENV->asKlass(JVMCIENV->wrap(holder))); 2037 if (ik->class_loader_data()->is_boot_class_loader_data() || ik->class_loader_data()->is_platform_class_loader_data()) { 2038 return true; 2039 } 2040 return false; 2041 C2V_END 2042 2043 C2V_VMENTRY_NULL(jobject, asJavaType, (JNIEnv* env, jobject, jobject object)) 2044 if (object == NULL) { 2045 JVMCI_THROW_0(NullPointerException); 2046 } 2047 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL); 2048 if (java_lang_Class::is_instance(obj())) { 2049 if (java_lang_Class::is_primitive(obj())) { 2050 JVMCIObject type = JVMCIENV->get_jvmci_primitive_type(java_lang_Class::primitive_type(obj())); 2051 return JVMCIENV->get_jobject(type); 2052 } 2053 Klass* klass = java_lang_Class::as_Klass(obj()); 2054 JVMCIKlassHandle klass_handle(THREAD); 2055 klass_handle = klass; 2056 JVMCIObject type = JVMCIENV->get_jvmci_type(klass_handle, JVMCI_CHECK_NULL); 2057 return JVMCIENV->get_jobject(type); 2058 } 2059 return NULL; 2060 C2V_END 2061 2062 2063 C2V_VMENTRY_NULL(jobject, asString, (JNIEnv* env, jobject, jobject object)) 2064 if (object == NULL) { 2065 JVMCI_THROW_0(NullPointerException); 2066 } 2067 Handle obj = JVMCIENV->asConstant(JVMCIENV->wrap(object), JVMCI_CHECK_NULL); 2068 const char* str = java_lang_String::as_utf8_string(obj()); 2069 JVMCIObject result = JVMCIENV->create_string(str, JVMCI_CHECK_NULL); 2070 return JVMCIENV->get_jobject(result); 2071 C2V_END 2072 2073 2074 C2V_VMENTRY_0(jboolean, equals, (JNIEnv* env, jobject, jobject x, jlong xHandle, jobject y, jlong yHandle)) 2075 if (x == NULL || y == NULL) { 2076 JVMCI_THROW_0(NullPointerException); 2077 } 2078 return JVMCIENV->resolve_handle(xHandle) == JVMCIENV->resolve_handle(yHandle); 2079 C2V_END 2080 2081 C2V_VMENTRY_NULL(jobject, getJavaMirror, (JNIEnv* env, jobject, jobject object)) 2082 if (object == NULL) { 2083 JVMCI_THROW_0(NullPointerException); 2084 } 2085 JVMCIObject base_object = JVMCIENV->wrap(object); 2086 Handle mirror; 2087 if (JVMCIENV->isa_HotSpotResolvedObjectTypeImpl(base_object)) { 2088 mirror = Handle(THREAD, JVMCIENV->asKlass(base_object)->java_mirror()); 2089 } else if (JVMCIENV->isa_HotSpotResolvedPrimitiveType(base_object)) { 2090 mirror = JVMCIENV->asConstant(JVMCIENV->get_HotSpotResolvedPrimitiveType_mirror(base_object), JVMCI_CHECK_NULL); 2091 } else { 2092 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 2093 err_msg("Unexpected type: %s", JVMCIENV->klass_name(base_object))); 2094 } 2095 JVMCIObject result = JVMCIENV->get_object_constant(mirror()); 2096 return JVMCIENV->get_jobject(result); 2097 C2V_END 2098 2099 2100 C2V_VMENTRY_0(jint, getArrayLength, (JNIEnv* env, jobject, jobject x)) 2101 if (x == NULL) { 2102 JVMCI_THROW_0(NullPointerException); 2103 } 2104 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0); 2105 if (xobj->klass()->is_array_klass()) { 2106 return arrayOop(xobj())->length(); 2107 } 2108 return -1; 2109 C2V_END 2110 2111 2112 C2V_VMENTRY_NULL(jobject, readArrayElement, (JNIEnv* env, jobject, jobject x, int index)) 2113 if (x == NULL) { 2114 JVMCI_THROW_0(NullPointerException); 2115 } 2116 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_NULL); 2117 if (xobj->klass()->is_array_klass()) { 2118 arrayOop array = arrayOop(xobj()); 2119 BasicType element_type = ArrayKlass::cast(array->klass())->element_type(); 2120 if (index < 0 || index >= array->length()) { 2121 return NULL; 2122 } 2123 JVMCIObject result; 2124 2125 if (element_type == T_OBJECT) { 2126 result = JVMCIENV->get_object_constant(objArrayOop(xobj())->obj_at(index)); 2127 if (result.is_null()) { 2128 result = JVMCIENV->get_JavaConstant_NULL_POINTER(); 2129 } 2130 } else { 2131 jvalue value; 2132 switch (element_type) { 2133 case T_DOUBLE: value.d = typeArrayOop(xobj())->double_at(index); break; 2134 case T_FLOAT: value.f = typeArrayOop(xobj())->float_at(index); break; 2135 case T_LONG: value.j = typeArrayOop(xobj())->long_at(index); break; 2136 case T_INT: value.i = typeArrayOop(xobj())->int_at(index); break; 2137 case T_SHORT: value.s = typeArrayOop(xobj())->short_at(index); break; 2138 case T_CHAR: value.c = typeArrayOop(xobj())->char_at(index); break; 2139 case T_BYTE: value.b = typeArrayOop(xobj())->byte_at(index); break; 2140 case T_BOOLEAN: value.z = typeArrayOop(xobj())->byte_at(index) & 1; break; 2141 default: ShouldNotReachHere(); 2142 } 2143 result = JVMCIENV->create_box(element_type, &value, JVMCI_CHECK_NULL); 2144 } 2145 assert(!result.is_null(), "must have a value"); 2146 return JVMCIENV->get_jobject(result); 2147 } 2148 return NULL;; 2149 C2V_END 2150 2151 2152 C2V_VMENTRY_0(jint, arrayBaseOffset, (JNIEnv* env, jobject, jobject kind)) 2153 if (kind == NULL) { 2154 JVMCI_THROW_0(NullPointerException); 2155 } 2156 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->wrap(kind), JVMCI_CHECK_0); 2157 return arrayOopDesc::header_size(type) * HeapWordSize; 2158 C2V_END 2159 2160 C2V_VMENTRY_0(jint, arrayIndexScale, (JNIEnv* env, jobject, jobject kind)) 2161 if (kind == NULL) { 2162 JVMCI_THROW_0(NullPointerException); 2163 } 2164 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->wrap(kind), JVMCI_CHECK_0); 2165 return type2aelembytes(type); 2166 C2V_END 2167 2168 C2V_VMENTRY_0(jbyte, getByte, (JNIEnv* env, jobject, jobject x, long displacement)) 2169 if (x == NULL) { 2170 JVMCI_THROW_0(NullPointerException); 2171 } 2172 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0); 2173 return xobj->byte_field(displacement); 2174 } 2175 2176 C2V_VMENTRY_0(jshort, getShort, (JNIEnv* env, jobject, jobject x, long displacement)) 2177 if (x == NULL) { 2178 JVMCI_THROW_0(NullPointerException); 2179 } 2180 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0); 2181 return xobj->short_field(displacement); 2182 } 2183 2184 C2V_VMENTRY_0(jint, getInt, (JNIEnv* env, jobject, jobject x, long displacement)) 2185 if (x == NULL) { 2186 JVMCI_THROW_0(NullPointerException); 2187 } 2188 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0); 2189 return xobj->int_field(displacement); 2190 } 2191 2192 C2V_VMENTRY_0(jlong, getLong, (JNIEnv* env, jobject, jobject x, long displacement)) 2193 if (x == NULL) { 2194 JVMCI_THROW_0(NullPointerException); 2195 } 2196 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0); 2197 return xobj->long_field(displacement); 2198 } 2199 2200 C2V_VMENTRY_NULL(jobject, getObject, (JNIEnv* env, jobject, jobject x, long displacement)) 2201 if (x == NULL) { 2202 JVMCI_THROW_0(NullPointerException); 2203 } 2204 Handle xobj = JVMCIENV->asConstant(JVMCIENV->wrap(x), JVMCI_CHECK_0); 2205 oop res = xobj->obj_field(displacement); 2206 JVMCIObject result = JVMCIENV->get_object_constant(res); 2207 return JVMCIENV->get_jobject(result); 2208 } 2209 2210 C2V_VMENTRY(void, deleteGlobalHandle, (JNIEnv* env, jobject, jlong h)) 2211 jobject handle = (jobject)(address)h; 2212 if (handle != NULL) { 2213 JVMCI::destroy_global(handle); 2214 } 2215 } 2216 2217 static void requireJVMCINativeLibrary(JVMCI_TRAPS) { 2218 if (!UseJVMCINativeLibrary) { 2219 JVMCI_THROW_MSG(UnsupportedOperationException, "JVMCI shared library is not enabled (requires -XX:+UseJVMCINativeLibrary)"); 2220 } 2221 } 2222 2223 static JavaVM* requireNativeLibraryJavaVM(const char* caller, JVMCI_TRAPS) { 2224 JavaVM* javaVM = JVMCIEnv::get_shared_library_javavm(); 2225 if (javaVM == NULL) { 2226 JVMCI_THROW_MSG_NULL(IllegalStateException, err_msg("Require JVMCI shared library to be initialized in %s", caller)); 2227 } 2228 return javaVM; 2229 } 2230 2231 C2V_VMENTRY_NULL(jlongArray, registerNativeMethods, (JNIEnv* env, jobject, jclass mirror)) 2232 requireJVMCINativeLibrary(JVMCI_CHECK_NULL); 2233 requireInHotSpot("registerNativeMethods", JVMCI_CHECK_NULL); 2234 void* shared_library = JVMCIEnv::get_shared_library_handle(); 2235 if (shared_library == NULL) { 2236 // Ensure the JVMCI shared library runtime is initialized. 2237 JVMCIEnv __peer_jvmci_env__(thread, false, __FILE__, __LINE__); 2238 JVMCIEnv* peerEnv = &__peer_jvmci_env__; 2239 HandleMark hm; 2240 JVMCIRuntime* runtime = JVMCI::compiler_runtime(); 2241 JVMCIObject receiver = runtime->get_HotSpotJVMCIRuntime(peerEnv); 2242 if (peerEnv->has_pending_exception()) { 2243 peerEnv->describe_pending_exception(true); 2244 } 2245 shared_library = JVMCIEnv::get_shared_library_handle(); 2246 if (shared_library == NULL) { 2247 JVMCI_THROW_MSG_0(InternalError, "Error initializing JVMCI runtime"); 2248 } 2249 } 2250 2251 if (mirror == NULL) { 2252 JVMCI_THROW_0(NullPointerException); 2253 } 2254 Klass* klass = java_lang_Class::as_Klass(JNIHandles::resolve(mirror)); 2255 if (klass == NULL || !klass->is_instance_klass()) { 2256 JVMCI_THROW_MSG_0(IllegalArgumentException, "clazz is for primitive type"); 2257 } 2258 2259 InstanceKlass* iklass = InstanceKlass::cast(klass); 2260 for (int i = 0; i < iklass->methods()->length(); i++) { 2261 Method* method = iklass->methods()->at(i); 2262 if (method->is_native()) { 2263 2264 // Compute argument size 2265 int args_size = 1 // JNIEnv 2266 + (method->is_static() ? 1 : 0) // class for static methods 2267 + method->size_of_parameters(); // actual parameters 2268 2269 // 1) Try JNI short style 2270 stringStream st; 2271 char* pure_name = NativeLookup::pure_jni_name(method); 2272 os::print_jni_name_prefix_on(&st, args_size); 2273 st.print_raw(pure_name); 2274 os::print_jni_name_suffix_on(&st, args_size); 2275 char* jni_name = st.as_string(); 2276 2277 address entry = (address) os::dll_lookup(shared_library, jni_name); 2278 if (entry == NULL) { 2279 // 2) Try JNI long style 2280 st.reset(); 2281 char* long_name = NativeLookup::long_jni_name(method); 2282 os::print_jni_name_prefix_on(&st, args_size); 2283 st.print_raw(pure_name); 2284 st.print_raw(long_name); 2285 os::print_jni_name_suffix_on(&st, args_size); 2286 char* jni_long_name = st.as_string(); 2287 entry = (address) os::dll_lookup(shared_library, jni_long_name); 2288 if (entry == NULL) { 2289 JVMCI_THROW_MSG_0(UnsatisfiedLinkError, err_msg("%s [neither %s nor %s exist in %s]", 2290 method->name_and_sig_as_C_string(), 2291 jni_name, jni_long_name, JVMCIEnv::get_shared_library_path())); 2292 } 2293 } 2294 2295 if (method->has_native_function() && entry != method->native_function()) { 2296 JVMCI_THROW_MSG_0(UnsatisfiedLinkError, err_msg("%s [cannot re-link from " PTR_FORMAT " to " PTR_FORMAT "]", 2297 method->name_and_sig_as_C_string(), p2i(method->native_function()), p2i(entry))); 2298 } 2299 method->set_native_function(entry, Method::native_bind_event_is_interesting); 2300 if (PrintJNIResolving) { 2301 tty->print_cr("[Dynamic-linking native method %s.%s ... JNI]", 2302 method->method_holder()->external_name(), 2303 method->name()->as_C_string()); 2304 } 2305 } 2306 } 2307 2308 JavaVM* javaVM = JVMCIEnv::get_shared_library_javavm(); 2309 JVMCIPrimitiveArray result = JVMCIENV->new_longArray(4, JVMCI_CHECK_NULL); 2310 JVMCIENV->put_long_at(result, 0, (jlong) (address) javaVM); 2311 JVMCIENV->put_long_at(result, 1, (jlong) (address) javaVM->functions->reserved0); 2312 JVMCIENV->put_long_at(result, 2, (jlong) (address) javaVM->functions->reserved1); 2313 JVMCIENV->put_long_at(result, 3, (jlong) (address) javaVM->functions->reserved2); 2314 return (jlongArray) JVMCIENV->get_jobject(result); 2315 } 2316 2317 C2V_VMENTRY_PREFIX(jboolean, isCurrentThreadAttached, (JNIEnv* env, jobject c2vm)) 2318 if (base_thread == NULL) { 2319 // Called from unattached JVMCI shared library thread 2320 return false; 2321 } 2322 JVMCITraceMark jtm("isCurrentThreadAttached"); 2323 assert(base_thread->is_Java_thread(), "just checking"); 2324 JavaThread* thread = (JavaThread*) base_thread; 2325 if (thread->jni_environment() == env) { 2326 C2V_BLOCK(jboolean, isCurrentThreadAttached, (JNIEnv* env, jobject)) 2327 requireJVMCINativeLibrary(JVMCI_CHECK_0); 2328 JavaVM* javaVM = requireNativeLibraryJavaVM("isCurrentThreadAttached", JVMCI_CHECK_0); 2329 JNIEnv* peerEnv; 2330 return javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) == JNI_OK; 2331 } 2332 return true; 2333 C2V_END 2334 2335 C2V_VMENTRY_PREFIX(jlong, getCurrentJavaThread, (JNIEnv* env, jobject c2vm)) 2336 if (base_thread == NULL) { 2337 // Called from unattached JVMCI shared library thread 2338 return 0L; 2339 } 2340 JVMCITraceMark jtm("getCurrentJavaThread"); 2341 assert(base_thread->is_Java_thread(), "just checking"); 2342 return (jlong) p2i(base_thread); 2343 C2V_END 2344 2345 C2V_VMENTRY_PREFIX(jboolean, attachCurrentThread, (JNIEnv* env, jobject c2vm, jboolean as_daemon)) 2346 if (base_thread == NULL) { 2347 // Called from unattached JVMCI shared library thread 2348 extern struct JavaVM_ main_vm; 2349 JNIEnv* hotspotEnv; 2350 jint res = as_daemon ? main_vm.AttachCurrentThreadAsDaemon((void**)&hotspotEnv, NULL) : 2351 main_vm.AttachCurrentThread((void**)&hotspotEnv, NULL); 2352 if (res != JNI_OK) { 2353 JNI_THROW_("attachCurrentThread", InternalError, err_msg("Trying to attach thread returned %d", res), false); 2354 } 2355 return true; 2356 } 2357 JVMCITraceMark jtm("attachCurrentThread"); 2358 assert(base_thread->is_Java_thread(), "just checking");\ 2359 JavaThread* thread = (JavaThread*) base_thread; 2360 if (thread->jni_environment() == env) { 2361 // Called from HotSpot 2362 C2V_BLOCK(jboolean, attachCurrentThread, (JNIEnv* env, jobject, jboolean)) 2363 requireJVMCINativeLibrary(JVMCI_CHECK_0); 2364 JavaVM* javaVM = requireNativeLibraryJavaVM("attachCurrentThread", JVMCI_CHECK_0); 2365 JavaVMAttachArgs attach_args; 2366 attach_args.version = JNI_VERSION_1_2; 2367 attach_args.name = thread->name(); 2368 attach_args.group = NULL; 2369 JNIEnv* peerEnv; 2370 if (javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) == JNI_OK) { 2371 return false; 2372 } 2373 jint res = as_daemon ? javaVM->AttachCurrentThreadAsDaemon((void**)&peerEnv, &attach_args) : 2374 javaVM->AttachCurrentThread((void**)&peerEnv, &attach_args); 2375 if (res == JNI_OK) { 2376 guarantee(peerEnv != NULL, "must be"); 2377 return true; 2378 } 2379 JVMCI_THROW_MSG_0(InternalError, err_msg("Error %d while attaching %s", res, attach_args.name)); 2380 } 2381 // Called from JVMCI shared library 2382 return false; 2383 C2V_END 2384 2385 C2V_VMENTRY_PREFIX(void, detachCurrentThread, (JNIEnv* env, jobject c2vm)) 2386 if (base_thread == NULL) { 2387 // Called from unattached JVMCI shared library thread 2388 JNI_THROW("detachCurrentThread", IllegalStateException, err_msg("Cannot detach non-attached thread")); 2389 } 2390 JVMCITraceMark jtm("detachCurrentThread"); 2391 assert(base_thread->is_Java_thread(), "just checking");\ 2392 JavaThread* thread = (JavaThread*) base_thread; 2393 if (thread->jni_environment() == env) { 2394 // Called from HotSpot 2395 C2V_BLOCK(void, detachCurrentThread, (JNIEnv* env, jobject)) 2396 requireJVMCINativeLibrary(JVMCI_CHECK); 2397 requireInHotSpot("detachCurrentThread", JVMCI_CHECK); 2398 JavaVM* javaVM = requireNativeLibraryJavaVM("detachCurrentThread", JVMCI_CHECK); 2399 JNIEnv* peerEnv; 2400 if (javaVM->GetEnv((void**)&peerEnv, JNI_VERSION_1_2) != JNI_OK) { 2401 JVMCI_THROW_MSG(IllegalStateException, err_msg("Cannot detach non-attached thread: %s", thread->name())); 2402 } 2403 jint res = javaVM->DetachCurrentThread(); 2404 if (res != JNI_OK) { 2405 JVMCI_THROW_MSG(InternalError, err_msg("Error %d while attaching %s", res, thread->name())); 2406 } 2407 } else { 2408 // Called from attached JVMCI shared library thread 2409 extern struct JavaVM_ main_vm; 2410 jint res = main_vm.DetachCurrentThread(); 2411 if (res != JNI_OK) { 2412 JNI_THROW("detachCurrentThread", InternalError, err_msg("Cannot detach non-attached thread")); 2413 } 2414 } 2415 C2V_END 2416 2417 C2V_VMENTRY_0(jlong, translate, (JNIEnv* env, jobject, jobject obj_handle)) 2418 requireJVMCINativeLibrary(JVMCI_CHECK_0); 2419 if (obj_handle == NULL) { 2420 return 0L; 2421 } 2422 JVMCIEnv __peer_jvmci_env__(thread, !JVMCIENV->is_hotspot(), __FILE__, __LINE__); 2423 JVMCIEnv* peerEnv = &__peer_jvmci_env__; 2424 JVMCIEnv* thisEnv = JVMCIENV; 2425 2426 JVMCIObject obj = thisEnv->wrap(obj_handle); 2427 JVMCIObject result; 2428 if (thisEnv->isa_HotSpotResolvedJavaMethodImpl(obj)) { 2429 Method* method = thisEnv->asMethod(obj); 2430 result = peerEnv->get_jvmci_method(method, JVMCI_CHECK_0); 2431 } else if (thisEnv->isa_HotSpotResolvedObjectTypeImpl(obj)) { 2432 Klass* klass = thisEnv->asKlass(obj); 2433 JVMCIKlassHandle klass_handle(THREAD); 2434 klass_handle = klass; 2435 result = peerEnv->get_jvmci_type(klass_handle, JVMCI_CHECK_0); 2436 } else if (thisEnv->isa_HotSpotResolvedPrimitiveType(obj)) { 2437 BasicType type = JVMCIENV->kindToBasicType(JVMCIENV->get_HotSpotResolvedPrimitiveType_kind(obj), JVMCI_CHECK_0); 2438 result = peerEnv->get_jvmci_primitive_type(type); 2439 } else if (thisEnv->isa_IndirectHotSpotObjectConstantImpl(obj) || 2440 thisEnv->isa_DirectHotSpotObjectConstantImpl(obj)) { 2441 Handle constant = thisEnv->asConstant(obj, JVMCI_CHECK_0); 2442 result = peerEnv->get_object_constant(constant()); 2443 } else if (thisEnv->isa_HotSpotNmethod(obj)) { 2444 nmethodLocker locker; 2445 nmethod* nm = JVMCIENV->get_nmethod(obj, locker); 2446 if (nm != NULL) { 2447 JVMCINMethodData* data = nm->jvmci_nmethod_data(); 2448 if (data != NULL) { 2449 if (peerEnv->is_hotspot()) { 2450 // Only the mirror in the HotSpot heap is accessible 2451 // through JVMCINMethodData 2452 oop nmethod_mirror = data->get_nmethod_mirror(nm, /* phantom_ref */ true); 2453 if (nmethod_mirror != NULL) { 2454 result = HotSpotJVMCI::wrap(nmethod_mirror); 2455 } 2456 } 2457 } 2458 } 2459 if (result.is_null()) { 2460 JVMCIObject methodObject = thisEnv->get_HotSpotNmethod_method(obj); 2461 methodHandle mh = thisEnv->asMethod(methodObject); 2462 jboolean isDefault = thisEnv->get_HotSpotNmethod_isDefault(obj); 2463 jlong compileIdSnapshot = thisEnv->get_HotSpotNmethod_compileIdSnapshot(obj); 2464 JVMCIObject name_string = thisEnv->get_InstalledCode_name(obj); 2465 const char* cstring = name_string.is_null() ? NULL : thisEnv->as_utf8_string(name_string); 2466 // Create a new HotSpotNmethod instance in the peer runtime 2467 result = peerEnv->new_HotSpotNmethod(mh(), cstring, isDefault, compileIdSnapshot, JVMCI_CHECK_0); 2468 if (nm == NULL) { 2469 // nmethod must have been unloaded 2470 } else { 2471 // Link the new HotSpotNmethod to the nmethod 2472 peerEnv->initialize_installed_code(result, nm, JVMCI_CHECK_0); 2473 // Only HotSpotNmethod instances in the HotSpot heap are tracked directly by the runtime. 2474 if (peerEnv->is_hotspot()) { 2475 JVMCINMethodData* data = nm->jvmci_nmethod_data(); 2476 if (data == NULL) { 2477 JVMCI_THROW_MSG_0(IllegalArgumentException, "Cannot set HotSpotNmethod mirror for default nmethod"); 2478 } 2479 if (data->get_nmethod_mirror(nm, /* phantom_ref */ false) != NULL) { 2480 JVMCI_THROW_MSG_0(IllegalArgumentException, "Cannot overwrite existing HotSpotNmethod mirror for nmethod"); 2481 } 2482 oop nmethod_mirror = HotSpotJVMCI::resolve(result); 2483 data->set_nmethod_mirror(nm, nmethod_mirror); 2484 } 2485 } 2486 } 2487 } else { 2488 JVMCI_THROW_MSG_0(IllegalArgumentException, 2489 err_msg("Cannot translate object of type: %s", thisEnv->klass_name(obj))); 2490 } 2491 return (jlong) peerEnv->make_global(result).as_jobject(); 2492 } 2493 2494 C2V_VMENTRY_NULL(jobject, unhand, (JNIEnv* env, jobject, jlong obj_handle)) 2495 requireJVMCINativeLibrary(JVMCI_CHECK_NULL); 2496 if (obj_handle == 0L) { 2497 return NULL; 2498 } 2499 jobject global_handle = (jobject) obj_handle; 2500 JVMCIObject global_handle_obj = JVMCIENV->wrap((jobject) obj_handle); 2501 jobject result = JVMCIENV->make_local(global_handle_obj).as_jobject(); 2502 2503 JVMCIENV->destroy_global(global_handle_obj); 2504 return result; 2505 } 2506 2507 C2V_VMENTRY(void, updateHotSpotNmethod, (JNIEnv* env, jobject, jobject code_handle)) 2508 JVMCIObject code = JVMCIENV->wrap(code_handle); 2509 // Execute this operation for the side effect of updating the InstalledCode state 2510 nmethodLocker locker; 2511 JVMCIENV->get_nmethod(code, locker); 2512 } 2513 2514 C2V_VMENTRY_NULL(jbyteArray, getCode, (JNIEnv* env, jobject, jobject code_handle)) 2515 JVMCIObject code = JVMCIENV->wrap(code_handle); 2516 nmethodLocker locker; 2517 CodeBlob* cb = JVMCIENV->get_code_blob(code, locker); 2518 if (cb == NULL) { 2519 return NULL; 2520 } 2521 int code_size = cb->code_size(); 2522 JVMCIPrimitiveArray result = JVMCIENV->new_byteArray(code_size, JVMCI_CHECK_NULL); 2523 JVMCIENV->copy_bytes_from((jbyte*) cb->code_begin(), result, 0, code_size); 2524 return JVMCIENV->get_jbyteArray(result); 2525 } 2526 2527 C2V_VMENTRY_NULL(jobject, asReflectionExecutable, (JNIEnv* env, jobject, jobject jvmci_method)) 2528 requireInHotSpot("asReflectionExecutable", JVMCI_CHECK_NULL); 2529 methodHandle m = JVMCIENV->asMethod(jvmci_method); 2530 oop executable; 2531 if (m->is_initializer()) { 2532 if (m->is_static_initializer()) { 2533 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 2534 "Cannot create java.lang.reflect.Method for class initializer"); 2535 } 2536 executable = Reflection::new_constructor(m, CHECK_NULL); 2537 } else { 2538 executable = Reflection::new_method(m, false, CHECK_NULL); 2539 } 2540 return JNIHandles::make_local(THREAD, executable); 2541 } 2542 2543 C2V_VMENTRY_NULL(jobject, asReflectionField, (JNIEnv* env, jobject, jobject jvmci_type, jint index)) 2544 requireInHotSpot("asReflectionField", JVMCI_CHECK_NULL); 2545 Klass* klass = JVMCIENV->asKlass(jvmci_type); 2546 if (!klass->is_instance_klass()) { 2547 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 2548 err_msg("Expected non-primitive type, got %s", klass->external_name())); 2549 } 2550 InstanceKlass* iklass = InstanceKlass::cast(klass); 2551 Array<u2>* fields = iklass->fields(); 2552 if (index < 0 ||index > fields->length()) { 2553 JVMCI_THROW_MSG_NULL(IllegalArgumentException, 2554 err_msg("Field index %d out of bounds for %s", index, klass->external_name())); 2555 } 2556 fieldDescriptor fd(iklass, index); 2557 oop reflected = Reflection::new_field(&fd, CHECK_NULL); 2558 return JNIHandles::make_local(env, reflected); 2559 } 2560 2561 C2V_VMENTRY_NULL(jobjectArray, getFailedSpeculations, (JNIEnv* env, jobject, jlong failed_speculations_address, jobjectArray current)) 2562 FailedSpeculation* head = *((FailedSpeculation**)(address) failed_speculations_address); 2563 int result_length = 0; 2564 for (FailedSpeculation* fs = head; fs != NULL; fs = fs->next()) { 2565 result_length++; 2566 } 2567 int current_length = 0; 2568 JVMCIObjectArray current_array = NULL; 2569 if (current != NULL) { 2570 current_array = JVMCIENV->wrap(current); 2571 current_length = JVMCIENV->get_length(current_array); 2572 if (current_length == result_length) { 2573 // No new failures 2574 return current; 2575 } 2576 } 2577 JVMCIObjectArray result = JVMCIENV->new_byte_array_array(result_length, JVMCI_CHECK_NULL); 2578 int result_index = 0; 2579 for (FailedSpeculation* fs = head; result_index < result_length; fs = fs->next()) { 2580 assert(fs != NULL, "npe"); 2581 JVMCIPrimitiveArray entry; 2582 if (result_index < current_length) { 2583 entry = (JVMCIPrimitiveArray) JVMCIENV->get_object_at(current_array, result_index); 2584 } else { 2585 entry = JVMCIENV->new_byteArray(fs->data_len(), JVMCI_CHECK_NULL); 2586 JVMCIENV->copy_bytes_from((jbyte*) fs->data(), entry, 0, fs->data_len()); 2587 } 2588 JVMCIENV->put_object_at(result, result_index++, entry); 2589 } 2590 return JVMCIENV->get_jobjectArray(result); 2591 } 2592 2593 C2V_VMENTRY_0(jlong, getFailedSpeculationsAddress, (JNIEnv* env, jobject, jobject jvmci_method)) 2594 methodHandle method = JVMCIENV->asMethod(jvmci_method); 2595 MethodData* method_data = method->method_data(); 2596 if (method_data == NULL) { 2597 ClassLoaderData* loader_data = method->method_holder()->class_loader_data(); 2598 method_data = MethodData::allocate(loader_data, method, CHECK_0); 2599 method->set_method_data(method_data); 2600 } 2601 return (jlong) method_data->get_failed_speculations_address(); 2602 } 2603 2604 C2V_VMENTRY(void, releaseFailedSpeculations, (JNIEnv* env, jobject, jlong failed_speculations_address)) 2605 FailedSpeculation::free_failed_speculations((FailedSpeculation**)(address) failed_speculations_address); 2606 } 2607 2608 C2V_VMENTRY_0(jboolean, addFailedSpeculation, (JNIEnv* env, jobject, jlong failed_speculations_address, jbyteArray speculation_obj)) 2609 JVMCIPrimitiveArray speculation_handle = JVMCIENV->wrap(speculation_obj); 2610 int speculation_len = JVMCIENV->get_length(speculation_handle); 2611 char* speculation = NEW_RESOURCE_ARRAY(char, speculation_len); 2612 JVMCIENV->copy_bytes_to(speculation_handle, (jbyte*) speculation, 0, speculation_len); 2613 return FailedSpeculation::add_failed_speculation(NULL, (FailedSpeculation**)(address) failed_speculations_address, (address) speculation, speculation_len); 2614 } 2615 2616 C2V_VMENTRY(void, callSystemExit, (JNIEnv* env, jobject, jint status)) 2617 JavaValue result(T_VOID); 2618 JavaCallArguments jargs(1); 2619 jargs.push_int(status); 2620 JavaCalls::call_static(&result, 2621 SystemDictionary::System_klass(), 2622 vmSymbols::exit_method_name(), 2623 vmSymbols::int_void_signature(), 2624 &jargs, 2625 CHECK); 2626 } 2627 2628 #define CC (char*) /*cast a literal from (const char*)*/ 2629 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f)) 2630 2631 #define STRING "Ljava/lang/String;" 2632 #define OBJECT "Ljava/lang/Object;" 2633 #define CLASS "Ljava/lang/Class;" 2634 #define OBJECTCONSTANT "Ljdk/vm/ci/hotspot/HotSpotObjectConstantImpl;" 2635 #define HANDLECONSTANT "Ljdk/vm/ci/hotspot/IndirectHotSpotObjectConstantImpl;" 2636 #define EXECUTABLE "Ljava/lang/reflect/Executable;" 2637 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;" 2638 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;" 2639 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;" 2640 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;" 2641 #define JAVACONSTANT "Ljdk/vm/ci/meta/JavaConstant;" 2642 #define INSPECTED_FRAME_VISITOR "Ljdk/vm/ci/code/stack/InspectedFrameVisitor;" 2643 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;" 2644 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;" 2645 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;" 2646 #define HS_RESOLVED_TYPE "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaType;" 2647 #define HS_RESOLVED_FIELD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaField;" 2648 #define HS_INSTALLED_CODE "Ljdk/vm/ci/hotspot/HotSpotInstalledCode;" 2649 #define HS_NMETHOD "Ljdk/vm/ci/hotspot/HotSpotNmethod;" 2650 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;" 2651 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;" 2652 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;" 2653 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;" 2654 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;" 2655 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;" 2656 #define METASPACE_OBJECT "Ljdk/vm/ci/hotspot/MetaspaceObject;" 2657 #define REFLECTION_EXECUTABLE "Ljava/lang/reflect/Executable;" 2658 #define REFLECTION_FIELD "Ljava/lang/reflect/Field;" 2659 #define METASPACE_METHOD_DATA "J" 2660 2661 JNINativeMethod CompilerToVM::methods[] = { 2662 {CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)}, 2663 {CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)}, 2664 {CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)}, 2665 {CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)}, 2666 {CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)}, 2667 {CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)}, 2668 {CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)}, 2669 {CC "setNotInlinableOrCompilable", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(setNotInlinableOrCompilable)}, 2670 {CC "isCompilable", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(isCompilable)}, 2671 {CC "hasNeverInlineDirective", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(hasNeverInlineDirective)}, 2672 {CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)}, 2673 {CC "lookupType", CC "(" STRING HS_RESOLVED_KLASS "Z)" HS_RESOLVED_TYPE, FN_PTR(lookupType)}, 2674 {CC "getArrayType", CC "(" HS_RESOLVED_TYPE ")" HS_RESOLVED_KLASS, FN_PTR(getArrayType)}, 2675 {CC "lookupClass", CC "(" CLASS ")" HS_RESOLVED_TYPE, FN_PTR(lookupClass)}, 2676 {CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)}, 2677 {CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)}, 2678 {CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)}, 2679 {CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)}, 2680 {CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)}, 2681 {CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECTCONSTANT, FN_PTR(lookupAppendixInPool)}, 2682 {CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)}, 2683 {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)}, 2684 {CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECTCONSTANT, FN_PTR(resolvePossiblyCachedConstantInPool)}, 2685 {CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)}, 2686 {CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[I)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)}, 2687 {CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)}, 2688 {CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)}, 2689 {CC "isResolvedInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(isResolvedInvokeHandleInPool)}, 2690 {CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)}, 2691 {CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)}, 2692 {CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)}, 2693 {CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)}, 2694 {CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)}, 2695 {CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)}, 2696 {CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)}, 2697 {CC "getResolvedJavaMethod", CC "(" OBJECTCONSTANT "J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)}, 2698 {CC "getConstantPool", CC "(" METASPACE_OBJECT ")" HS_CONSTANT_POOL, FN_PTR(getConstantPool)}, 2699 {CC "getResolvedJavaType0", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType0)}, 2700 {CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)}, 2701 {CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE "J[B)I", FN_PTR(installCode)}, 2702 {CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)}, 2703 {CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)}, 2704 {CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)}, 2705 {CC "executeHotSpotNmethod", CC "([" OBJECT HS_NMETHOD ")" OBJECT, FN_PTR(executeHotSpotNmethod)}, 2706 {CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)}, 2707 {CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)}, 2708 {CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)}, 2709 {CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)}, 2710 {CC "invalidateHotSpotNmethod", CC "(" HS_NMETHOD ")V", FN_PTR(invalidateHotSpotNmethod)}, 2711 {CC "readUncompressedOop", CC "(J)" OBJECTCONSTANT, FN_PTR(readUncompressedOop)}, 2712 {CC "collectCounters", CC "()[J", FN_PTR(collectCounters)}, 2713 {CC "getCountersSize", CC "()I", FN_PTR(getCountersSize)}, 2714 {CC "setCountersSize", CC "(I)Z", FN_PTR(setCountersSize)}, 2715 {CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)}, 2716 {CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)}, 2717 {CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)}, 2718 {CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)}, 2719 {CC "iterateFrames", CC "([" RESOLVED_METHOD "[" RESOLVED_METHOD "I" INSPECTED_FRAME_VISITOR ")" OBJECT, FN_PTR(iterateFrames)}, 2720 {CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)}, 2721 {CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)}, 2722 {CC "writeDebugOutput", CC "([BIIZZ)I", FN_PTR(writeDebugOutput)}, 2723 {CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)}, 2724 {CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)}, 2725 {CC "getFingerprint", CC "(J)J", FN_PTR(getFingerprint)}, 2726 {CC "getHostClass", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getHostClass)}, 2727 {CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)}, 2728 {CC "compileToBytecode", CC "(" OBJECTCONSTANT ")V", FN_PTR(compileToBytecode)}, 2729 {CC "getFlagValue", CC "(" STRING ")" OBJECT, FN_PTR(getFlagValue)}, 2730 {CC "getObjectAtAddress", CC "(J)" OBJECT, FN_PTR(getObjectAtAddress)}, 2731 {CC "getInterfaces", CC "(" HS_RESOLVED_KLASS ")[" HS_RESOLVED_KLASS, FN_PTR(getInterfaces)}, 2732 {CC "getComponentType", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_TYPE, FN_PTR(getComponentType)}, 2733 {CC "ensureInitialized", CC "(" HS_RESOLVED_KLASS ")V", FN_PTR(ensureInitialized)}, 2734 {CC "getIdentityHashCode", CC "(" OBJECTCONSTANT ")I", FN_PTR(getIdentityHashCode)}, 2735 {CC "isInternedString", CC "(" OBJECTCONSTANT ")Z", FN_PTR(isInternedString)}, 2736 {CC "unboxPrimitive", CC "(" OBJECTCONSTANT ")" OBJECT, FN_PTR(unboxPrimitive)}, 2737 {CC "boxPrimitive", CC "(" OBJECT ")" OBJECTCONSTANT, FN_PTR(boxPrimitive)}, 2738 {CC "getDeclaredConstructors", CC "(" HS_RESOLVED_KLASS ")[" RESOLVED_METHOD, FN_PTR(getDeclaredConstructors)}, 2739 {CC "getDeclaredMethods", CC "(" HS_RESOLVED_KLASS ")[" RESOLVED_METHOD, FN_PTR(getDeclaredMethods)}, 2740 {CC "readFieldValue", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_FIELD "Z)" JAVACONSTANT, FN_PTR(readFieldValue)}, 2741 {CC "readFieldValue", CC "(" OBJECTCONSTANT HS_RESOLVED_FIELD "Z)" JAVACONSTANT, FN_PTR(readFieldValue)}, 2742 {CC "isInstance", CC "(" HS_RESOLVED_KLASS OBJECTCONSTANT ")Z", FN_PTR(isInstance)}, 2743 {CC "isAssignableFrom", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_KLASS ")Z", FN_PTR(isAssignableFrom)}, 2744 {CC "isTrustedForIntrinsics", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(isTrustedForIntrinsics)}, 2745 {CC "asJavaType", CC "(" OBJECTCONSTANT ")" HS_RESOLVED_TYPE, FN_PTR(asJavaType)}, 2746 {CC "asString", CC "(" OBJECTCONSTANT ")" STRING, FN_PTR(asString)}, 2747 {CC "equals", CC "(" OBJECTCONSTANT "J" OBJECTCONSTANT "J)Z", FN_PTR(equals)}, 2748 {CC "getJavaMirror", CC "(" HS_RESOLVED_TYPE ")" OBJECTCONSTANT, FN_PTR(getJavaMirror)}, 2749 {CC "getArrayLength", CC "(" OBJECTCONSTANT ")I", FN_PTR(getArrayLength)}, 2750 {CC "readArrayElement", CC "(" OBJECTCONSTANT "I)Ljava/lang/Object;", FN_PTR(readArrayElement)}, 2751 {CC "arrayBaseOffset", CC "(Ljdk/vm/ci/meta/JavaKind;)I", FN_PTR(arrayBaseOffset)}, 2752 {CC "arrayIndexScale", CC "(Ljdk/vm/ci/meta/JavaKind;)I", FN_PTR(arrayIndexScale)}, 2753 {CC "getByte", CC "(" OBJECTCONSTANT "J)B", FN_PTR(getByte)}, 2754 {CC "getShort", CC "(" OBJECTCONSTANT "J)S", FN_PTR(getShort)}, 2755 {CC "getInt", CC "(" OBJECTCONSTANT "J)I", FN_PTR(getInt)}, 2756 {CC "getLong", CC "(" OBJECTCONSTANT "J)J", FN_PTR(getLong)}, 2757 {CC "getObject", CC "(" OBJECTCONSTANT "J)" OBJECTCONSTANT, FN_PTR(getObject)}, 2758 {CC "deleteGlobalHandle", CC "(J)V", FN_PTR(deleteGlobalHandle)}, 2759 {CC "registerNativeMethods", CC "(" CLASS ")[J", FN_PTR(registerNativeMethods)}, 2760 {CC "isCurrentThreadAttached", CC "()Z", FN_PTR(isCurrentThreadAttached)}, 2761 {CC "getCurrentJavaThread", CC "()J", FN_PTR(getCurrentJavaThread)}, 2762 {CC "attachCurrentThread", CC "(Z)Z", FN_PTR(attachCurrentThread)}, 2763 {CC "detachCurrentThread", CC "()V", FN_PTR(detachCurrentThread)}, 2764 {CC "translate", CC "(" OBJECT ")J", FN_PTR(translate)}, 2765 {CC "unhand", CC "(J)" OBJECT, FN_PTR(unhand)}, 2766 {CC "updateHotSpotNmethod", CC "(" HS_NMETHOD ")V", FN_PTR(updateHotSpotNmethod)}, 2767 {CC "getCode", CC "(" HS_INSTALLED_CODE ")[B", FN_PTR(getCode)}, 2768 {CC "asReflectionExecutable", CC "(" HS_RESOLVED_METHOD ")" REFLECTION_EXECUTABLE, FN_PTR(asReflectionExecutable)}, 2769 {CC "asReflectionField", CC "(" HS_RESOLVED_KLASS "I)" REFLECTION_FIELD, FN_PTR(asReflectionField)}, 2770 {CC "getFailedSpeculations", CC "(J[[B)[[B", FN_PTR(getFailedSpeculations)}, 2771 {CC "getFailedSpeculationsAddress", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getFailedSpeculationsAddress)}, 2772 {CC "releaseFailedSpeculations", CC "(J)V", FN_PTR(releaseFailedSpeculations)}, 2773 {CC "addFailedSpeculation", CC "(J[B)Z", FN_PTR(addFailedSpeculation)}, 2774 {CC "callSystemExit", CC "(I)V", FN_PTR(callSystemExit)}, 2775 }; 2776 2777 int CompilerToVM::methods_count() { 2778 return sizeof(methods) / sizeof(JNINativeMethod); 2779 } --- EOF ---