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 "ci/ciUtilities.inline.hpp" 26 #include "classfile/javaClasses.inline.hpp" 27 #include "code/scopeDesc.hpp" 28 #include "memory/oopFactory.hpp" 29 #include "oops/cpCache.inline.hpp" 30 #include "oops/generateOopMap.hpp" 31 #include "oops/method.inline.hpp" 32 #include "oops/objArrayOop.inline.hpp" 33 #include "oops/typeArrayOop.inline.hpp" 34 #include "compiler/compileBroker.hpp" 35 #include "compiler/disassembler.hpp" 36 #include "jvmci/jvmciCompilerToVM.hpp" 37 #include "jvmci/jvmciCodeInstaller.hpp" 38 #include "jvmci/jvmciRuntime.hpp" 39 #include "runtime/interfaceSupport.inline.hpp" 40 #include "runtime/jniHandles.inline.hpp" 41 #include "runtime/timerTrace.hpp" 42 #include "runtime/vframe_hp.hpp" 43 44 45 void JNIHandleMark::push_jni_handle_block() { 46 JavaThread* thread = JavaThread::current(); 47 if (thread != NULL) { 48 // Allocate a new block for JNI handles. 49 // Inlined code from jni_PushLocalFrame() 50 JNIHandleBlock* java_handles = ((JavaThread*)thread)->active_handles(); 51 JNIHandleBlock* compile_handles = JNIHandleBlock::allocate_block(thread); 52 assert(compile_handles != NULL && java_handles != NULL, "should not be NULL"); 53 compile_handles->set_pop_frame_link(java_handles); 54 thread->set_active_handles(compile_handles); 55 } 56 } 57 58 void JNIHandleMark::pop_jni_handle_block() { 59 JavaThread* thread = JavaThread::current(); 60 if (thread != NULL) { 61 // Release our JNI handle block 62 JNIHandleBlock* compile_handles = thread->active_handles(); 63 JNIHandleBlock* java_handles = compile_handles->pop_frame_link(); 64 thread->set_active_handles(java_handles); 65 compile_handles->set_pop_frame_link(NULL); 66 JNIHandleBlock::release_block(compile_handles, thread); // may block 67 } 68 } 69 70 // Entry to native method implementation that transitions current thread to '_thread_in_vm'. 71 #define C2V_VMENTRY(result_type, name, signature) \ 72 JNIEXPORT result_type JNICALL c2v_ ## name signature { \ 73 TRACE_jvmci_1("CompilerToVM::" #name); \ 74 TRACE_CALL(result_type, jvmci_ ## name signature) \ 75 JVMCI_VM_ENTRY_MARK; \ 76 77 #define C2V_END } 78 79 oop CompilerToVM::get_jvmci_method(const methodHandle& method, TRAPS) { 80 if (method() != NULL) { 81 JavaValue result(T_OBJECT); 82 JavaCallArguments args; 83 args.push_long((jlong) (address) method()); 84 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedJavaMethodImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::method_fromMetaspace_signature(), &args, CHECK_NULL); 85 86 return (oop)result.get_jobject(); 87 } 88 return NULL; 89 } 90 91 oop CompilerToVM::get_jvmci_type(Klass* klass, TRAPS) { 92 if (klass != NULL) { 93 JavaValue result(T_OBJECT); 94 JavaCallArguments args; 95 args.push_oop(Handle(THREAD, klass->java_mirror())); 96 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedObjectTypeImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::klass_fromMetaspace_signature(), &args, CHECK_NULL); 97 98 return (oop)result.get_jobject(); 99 } 100 return NULL; 101 } 102 103 Handle JavaArgumentUnboxer::next_arg(BasicType expectedType) { 104 assert(_index < _args->length(), "out of bounds"); 105 oop arg=((objArrayOop) (_args))->obj_at(_index++); 106 assert(expectedType == T_OBJECT || java_lang_boxing_object::is_instance(arg, expectedType), "arg type mismatch"); 107 return Handle(Thread::current(), arg); 108 } 109 110 jobjectArray readConfiguration0(JNIEnv *env, TRAPS); 111 112 C2V_VMENTRY(jobjectArray, readConfiguration, (JNIEnv *env)) 113 jobjectArray config = readConfiguration0(env, CHECK_NULL); 114 return config; 115 C2V_END 116 117 C2V_VMENTRY(jobject, getFlagValue, (JNIEnv *, jobject c2vm, jobject name_handle)) 118 #define RETURN_BOXED_LONG(value) oop box; jvalue p; p.j = (jlong) (value); box = java_lang_boxing_object::create(T_LONG, &p, CHECK_NULL); return JNIHandles::make_local(THREAD, box); 119 #define RETURN_BOXED_DOUBLE(value) oop box; jvalue p; p.d = (jdouble) (value); box = java_lang_boxing_object::create(T_DOUBLE, &p, CHECK_NULL); return JNIHandles::make_local(THREAD, box); 120 Handle name(THREAD, JNIHandles::resolve(name_handle)); 121 if (name.is_null()) { 122 THROW_0(vmSymbols::java_lang_NullPointerException()); 123 } 124 ResourceMark rm; 125 const char* cstring = java_lang_String::as_utf8_string(name()); 126 Flag* flag = Flag::find_flag(cstring, strlen(cstring), /* allow_locked */ true, /* return_flag */ true); 127 if (flag == NULL) { 128 return c2vm; 129 } 130 if (flag->is_bool()) { 131 jvalue prim; 132 prim.z = flag->get_bool(); 133 oop box = java_lang_boxing_object::create(T_BOOLEAN, &prim, CHECK_NULL); 134 return JNIHandles::make_local(THREAD, box); 135 } else if (flag->is_ccstr()) { 136 Handle value = java_lang_String::create_from_str(flag->get_ccstr(), CHECK_NULL); 137 return JNIHandles::make_local(THREAD, value()); 138 } else if (flag->is_intx()) { 139 RETURN_BOXED_LONG(flag->get_intx()); 140 } else if (flag->is_int()) { 141 RETURN_BOXED_LONG(flag->get_int()); 142 } else if (flag->is_uint()) { 143 RETURN_BOXED_LONG(flag->get_uint()); 144 } else if (flag->is_uint64_t()) { 145 RETURN_BOXED_LONG(flag->get_uint64_t()); 146 } else if (flag->is_size_t()) { 147 RETURN_BOXED_LONG(flag->get_size_t()); 148 } else if (flag->is_uintx()) { 149 RETURN_BOXED_LONG(flag->get_uintx()); 150 } else if (flag->is_double()) { 151 RETURN_BOXED_DOUBLE(flag->get_double()); 152 } else { 153 JVMCI_ERROR_NULL("VM flag %s has unsupported type %s", flag->_name, flag->_type); 154 } 155 #undef RETURN_BOXED_LONG 156 #undef RETURN_BOXED_DOUBLE 157 C2V_END 158 159 C2V_VMENTRY(jbyteArray, getBytecode, (JNIEnv *, jobject, jobject jvmci_method)) 160 methodHandle method = CompilerToVM::asMethod(jvmci_method); 161 ResourceMark rm; 162 163 int code_size = method->code_size(); 164 typeArrayOop reconstituted_code = oopFactory::new_byteArray(code_size, CHECK_NULL); 165 166 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten"); 167 // iterate over all bytecodes and replace non-Java bytecodes 168 169 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) { 170 Bytecodes::Code code = s.code(); 171 Bytecodes::Code raw_code = s.raw_code(); 172 int bci = s.bci(); 173 int len = s.instruction_size(); 174 175 // Restore original byte code. 176 reconstituted_code->byte_at_put(bci, (jbyte) (s.is_wide()? Bytecodes::_wide : code)); 177 if (len > 1) { 178 memcpy(reconstituted_code->byte_at_addr(bci + 1), s.bcp()+1, len-1); 179 } 180 181 if (len > 1) { 182 // Restore the big-endian constant pool indexes. 183 // Cf. Rewriter::scan_method 184 switch (code) { 185 case Bytecodes::_getstatic: 186 case Bytecodes::_putstatic: 187 case Bytecodes::_getfield: 188 case Bytecodes::_putfield: 189 case Bytecodes::_invokevirtual: 190 case Bytecodes::_invokespecial: 191 case Bytecodes::_invokestatic: 192 case Bytecodes::_invokeinterface: 193 case Bytecodes::_invokehandle: { 194 int cp_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1)); 195 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index); 196 break; 197 } 198 199 case Bytecodes::_invokedynamic: { 200 int cp_index = Bytes::get_native_u4((address) reconstituted_code->byte_at_addr(bci + 1)); 201 Bytes::put_Java_u4((address) reconstituted_code->byte_at_addr(bci + 1), (u4) cp_index); 202 break; 203 } 204 205 default: 206 break; 207 } 208 209 // Not all ldc byte code are rewritten. 210 switch (raw_code) { 211 case Bytecodes::_fast_aldc: { 212 int cpc_index = reconstituted_code->byte_at(bci + 1) & 0xff; 213 int cp_index = method->constants()->object_to_cp_index(cpc_index); 214 assert(cp_index < method->constants()->length(), "sanity check"); 215 reconstituted_code->byte_at_put(bci + 1, (jbyte) cp_index); 216 break; 217 } 218 219 case Bytecodes::_fast_aldc_w: { 220 int cpc_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1)); 221 int cp_index = method->constants()->object_to_cp_index(cpc_index); 222 assert(cp_index < method->constants()->length(), "sanity check"); 223 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index); 224 break; 225 } 226 227 default: 228 break; 229 } 230 } 231 } 232 233 return (jbyteArray) JNIHandles::make_local(THREAD, reconstituted_code); 234 C2V_END 235 236 C2V_VMENTRY(jint, getExceptionTableLength, (JNIEnv *, jobject, jobject jvmci_method)) 237 ResourceMark rm; 238 methodHandle method = CompilerToVM::asMethod(jvmci_method); 239 return method->exception_table_length(); 240 C2V_END 241 242 C2V_VMENTRY(jlong, getExceptionTableStart, (JNIEnv *, jobject, jobject jvmci_method)) 243 ResourceMark rm; 244 methodHandle method = CompilerToVM::asMethod(jvmci_method); 245 if (method->exception_table_length() == 0) { 246 return 0L; 247 } 248 return (jlong) (address) method->exception_table_start(); 249 C2V_END 250 251 C2V_VMENTRY(jobject, asResolvedJavaMethod, (JNIEnv *, jobject, jobject executable_handle)) 252 oop executable = JNIHandles::resolve(executable_handle); 253 oop mirror = NULL; 254 int slot = 0; 255 256 if (executable->klass() == SystemDictionary::reflect_Constructor_klass()) { 257 mirror = java_lang_reflect_Constructor::clazz(executable); 258 slot = java_lang_reflect_Constructor::slot(executable); 259 } else { 260 assert(executable->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); 261 mirror = java_lang_reflect_Method::clazz(executable); 262 slot = java_lang_reflect_Method::slot(executable); 263 } 264 Klass* holder = java_lang_Class::as_Klass(mirror); 265 methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot); 266 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL); 267 return JNIHandles::make_local(THREAD, result); 268 } 269 270 C2V_VMENTRY(jobject, getResolvedJavaMethod, (JNIEnv *, jobject, jobject base, jlong offset)) 271 methodHandle method; 272 oop base_object = JNIHandles::resolve(base); 273 if (base_object == NULL) { 274 method = *((Method**)(offset)); 275 } else if (base_object->is_a(SystemDictionary::ResolvedMethodName_klass())) { 276 method = (Method*) (intptr_t) base_object->long_field(offset); 277 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) { 278 method = *((Method**)(HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object) + offset)); 279 } else { 280 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), 281 err_msg("Unexpected type: %s", base_object->klass()->external_name())); 282 } 283 assert (method.is_null() || method->is_method(), "invalid read"); 284 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL); 285 return JNIHandles::make_local(THREAD, result); 286 } 287 288 C2V_VMENTRY(jobject, getConstantPool, (JNIEnv *, jobject, jobject object_handle)) 289 constantPoolHandle cp; 290 oop object = JNIHandles::resolve(object_handle); 291 if (object == NULL) { 292 THROW_0(vmSymbols::java_lang_NullPointerException()); 293 } 294 if (object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) { 295 cp = CompilerToVM::asMethod(object)->constMethod()->constants(); 296 } else if (object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) { 297 cp = InstanceKlass::cast(CompilerToVM::asKlass(object))->constants(); 298 } else { 299 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), 300 err_msg("Unexpected type: %s", object->klass()->external_name())); 301 } 302 assert(!cp.is_null(), "npe"); 303 JavaValue method_result(T_OBJECT); 304 JavaCallArguments args; 305 args.push_long((jlong) (address) cp()); 306 JavaCalls::call_static(&method_result, SystemDictionary::HotSpotConstantPool_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::constantPool_fromMetaspace_signature(), &args, CHECK_NULL); 307 return JNIHandles::make_local(THREAD, (oop)method_result.get_jobject()); 308 } 309 310 C2V_VMENTRY(jobject, getResolvedJavaType, (JNIEnv *, jobject, jobject base, jlong offset, jboolean compressed)) 311 Klass* klass = NULL; 312 oop base_object = JNIHandles::resolve(base); 313 jlong base_address = 0; 314 if (base_object != NULL && offset == oopDesc::klass_offset_in_bytes()) { 315 klass = base_object->klass(); 316 } else if (!compressed) { 317 if (base_object != NULL) { 318 if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) { 319 base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object); 320 } else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) { 321 base_address = HotSpotConstantPool::metaspaceConstantPool(base_object); 322 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) { 323 base_address = (jlong) CompilerToVM::asKlass(base_object); 324 } else if (base_object->is_a(SystemDictionary::Class_klass())) { 325 base_address = (jlong) (address) base_object; 326 } else { 327 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), 328 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false")); 329 } 330 } 331 klass = *((Klass**) (intptr_t) (base_address + offset)); 332 } else { 333 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), 334 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false")); 335 } 336 assert (klass == NULL || klass->is_klass(), "invalid read"); 337 oop result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL); 338 return JNIHandles::make_local(THREAD, result); 339 } 340 341 C2V_VMENTRY(jobject, findUniqueConcreteMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method)) 342 ResourceMark rm; 343 methodHandle method = CompilerToVM::asMethod(jvmci_method); 344 Klass* holder = CompilerToVM::asKlass(jvmci_type); 345 if (holder->is_interface()) { 346 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", holder->external_name())); 347 } 348 349 methodHandle ucm; 350 { 351 MutexLocker locker(Compile_lock); 352 ucm = Dependencies::find_unique_concrete_method(holder, method()); 353 } 354 oop result = CompilerToVM::get_jvmci_method(ucm, CHECK_NULL); 355 return JNIHandles::make_local(THREAD, result); 356 C2V_END 357 358 C2V_VMENTRY(jobject, getImplementor, (JNIEnv *, jobject, jobject jvmci_type)) 359 Klass* klass = CompilerToVM::asKlass(jvmci_type); 360 if (!klass->is_interface()) { 361 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), 362 err_msg("Expected interface type, got %s", klass->external_name())); 363 } 364 InstanceKlass* iklass = InstanceKlass::cast(klass); 365 oop implementor = CompilerToVM::get_jvmci_type(iklass->implementor(), CHECK_NULL); 366 return JNIHandles::make_local(THREAD, implementor); 367 C2V_END 368 369 C2V_VMENTRY(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv *, jobject, jobject jvmci_method)) 370 methodHandle method = CompilerToVM::asMethod(jvmci_method); 371 return method->is_ignored_by_security_stack_walk(); 372 C2V_END 373 374 C2V_VMENTRY(jboolean, isCompilable,(JNIEnv *, jobject, jobject jvmci_method)) 375 methodHandle method = CompilerToVM::asMethod(jvmci_method); 376 constantPoolHandle cp = method->constMethod()->constants(); 377 assert(!cp.is_null(), "npe"); 378 // don't inline method when constant pool contains a CONSTANT_Dynamic 379 return !method->is_not_compilable(CompLevel_full_optimization) && !cp->has_dynamic_constant(); 380 C2V_END 381 382 C2V_VMENTRY(jboolean, hasNeverInlineDirective,(JNIEnv *, jobject, jobject jvmci_method)) 383 methodHandle method = CompilerToVM::asMethod(jvmci_method); 384 return !Inline || CompilerOracle::should_not_inline(method) || method->dont_inline(); 385 C2V_END 386 387 C2V_VMENTRY(jboolean, shouldInlineMethod,(JNIEnv *, jobject, jobject jvmci_method)) 388 methodHandle method = CompilerToVM::asMethod(jvmci_method); 389 return CompilerOracle::should_inline(method) || method->force_inline(); 390 C2V_END 391 392 C2V_VMENTRY(jobject, lookupType, (JNIEnv*, jobject, jstring jname, jclass accessing_class, jboolean resolve)) 393 ResourceMark rm; 394 Handle name(THREAD, JNIHandles::resolve(jname)); 395 Symbol* class_name = java_lang_String::as_symbol(name(), CHECK_0); 396 if (java_lang_String::length(name()) <= 1) { 397 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string())); 398 } 399 400 Klass* resolved_klass = NULL; 401 if (JNIHandles::resolve(accessing_class) == NULL) { 402 THROW_0(vmSymbols::java_lang_NullPointerException()); 403 } 404 Klass* accessing_klass = java_lang_Class::as_Klass(JNIHandles::resolve(accessing_class)); 405 Handle class_loader(THREAD, accessing_klass->class_loader()); 406 Handle protection_domain(THREAD, accessing_klass->protection_domain()); 407 408 if (resolve) { 409 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0); 410 } else { 411 if (class_name->byte_at(0) == 'L' && 412 class_name->byte_at(class_name->utf8_length()-1) == ';') { 413 // This is a name from a signature. Strip off the trimmings. 414 // Call recursive to keep scope of strippedsym. 415 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1, 416 class_name->utf8_length()-2, 417 CHECK_0); 418 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0); 419 } else if (FieldType::is_array(class_name)) { 420 FieldArrayInfo fd; 421 // dimension and object_key in FieldArrayInfo are assigned as a side-effect 422 // of this call 423 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0); 424 if (t == T_OBJECT) { 425 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(), 426 class_name->utf8_length()-2-fd.dimension(), 427 CHECK_0); 428 // naked oop "k" is OK here -- we assign back into it 429 resolved_klass = SystemDictionary::find(strippedsym, 430 class_loader, 431 protection_domain, 432 CHECK_0); 433 if (resolved_klass != NULL) { 434 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0); 435 } 436 } else { 437 resolved_klass = Universe::typeArrayKlassObj(t); 438 resolved_klass = TypeArrayKlass::cast(resolved_klass)->array_klass(fd.dimension(), CHECK_0); 439 } 440 } 441 } 442 oop result = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL); 443 return JNIHandles::make_local(THREAD, result); 444 C2V_END 445 446 C2V_VMENTRY(jobject, resolveConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 447 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 448 oop result = cp->resolve_constant_at(index, CHECK_NULL); 449 return JNIHandles::make_local(THREAD, result); 450 C2V_END 451 452 C2V_VMENTRY(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 453 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 454 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL); 455 return JNIHandles::make_local(THREAD, result); 456 C2V_END 457 458 C2V_VMENTRY(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 459 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 460 return cp->name_and_type_ref_index_at(index); 461 C2V_END 462 463 C2V_VMENTRY(jobject, lookupNameInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which)) 464 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 465 Handle sym = java_lang_String::create_from_symbol(cp->name_ref_at(which), CHECK_NULL); 466 return JNIHandles::make_local(THREAD, sym()); 467 C2V_END 468 469 C2V_VMENTRY(jobject, lookupSignatureInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which)) 470 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 471 Handle sym = java_lang_String::create_from_symbol(cp->signature_ref_at(which), CHECK_NULL); 472 return JNIHandles::make_local(THREAD, sym()); 473 C2V_END 474 475 C2V_VMENTRY(jint, lookupKlassRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 476 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 477 return cp->klass_ref_index_at(index); 478 C2V_END 479 480 C2V_VMENTRY(jobject, resolveTypeInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 481 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 482 Klass* resolved_klass = cp->klass_at(index, CHECK_NULL); 483 oop klass = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL); 484 return JNIHandles::make_local(THREAD, klass); 485 C2V_END 486 487 C2V_VMENTRY(jobject, lookupKlassInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode)) 488 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 489 Klass* loading_klass = cp->pool_holder(); 490 bool is_accessible = false; 491 Klass* klass = JVMCIEnv::get_klass_by_index(cp, index, is_accessible, loading_klass); 492 Symbol* symbol = NULL; 493 if (klass == NULL) { 494 symbol = cp->klass_name_at(index); 495 } 496 oop result_oop; 497 if (klass != NULL) { 498 result_oop = CompilerToVM::get_jvmci_type(klass, CHECK_NULL); 499 } else { 500 Handle result = java_lang_String::create_from_symbol(symbol, CHECK_NULL); 501 result_oop = result(); 502 } 503 return JNIHandles::make_local(THREAD, result_oop); 504 C2V_END 505 506 C2V_VMENTRY(jobject, lookupAppendixInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 507 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 508 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index); 509 return JNIHandles::make_local(THREAD, appendix_oop); 510 C2V_END 511 512 C2V_VMENTRY(jobject, lookupMethodInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode)) 513 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 514 InstanceKlass* pool_holder = cp->pool_holder(); 515 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF); 516 methodHandle method = JVMCIEnv::get_method_by_index(cp, index, bc, pool_holder); 517 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL); 518 return JNIHandles::make_local(THREAD, result); 519 C2V_END 520 521 C2V_VMENTRY(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 522 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 523 return cp->remap_instruction_operand_from_cache(index); 524 C2V_END 525 526 C2V_VMENTRY(jobject, resolveFieldInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jintArray info_handle)) 527 ResourceMark rm; 528 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 529 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF); 530 fieldDescriptor fd; 531 LinkInfo link_info(cp, index, (jvmci_method != NULL) ? CompilerToVM::asMethod(jvmci_method) : NULL, CHECK_0); 532 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0); 533 typeArrayOop info = (typeArrayOop) JNIHandles::resolve(info_handle); 534 if (info == NULL || info->length() != 3) { 535 JVMCI_ERROR_NULL("info must not be null and have a length of 3"); 536 } 537 info->int_at_put(0, fd.access_flags().as_int()); 538 info->int_at_put(1, fd.offset()); 539 info->int_at_put(2, fd.index()); 540 oop field_holder = CompilerToVM::get_jvmci_type(fd.field_holder(), CHECK_NULL); 541 return JNIHandles::make_local(THREAD, field_holder); 542 C2V_END 543 544 C2V_VMENTRY(jint, getVtableIndexForInterfaceMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method)) 545 ResourceMark rm; 546 Klass* klass = CompilerToVM::asKlass(jvmci_type); 547 Method* method = CompilerToVM::asMethod(jvmci_method); 548 if (klass->is_interface()) { 549 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", klass->external_name())); 550 } 551 if (!method->method_holder()->is_interface()) { 552 THROW_MSG_0(vmSymbols::java_lang_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())); 553 } 554 if (!InstanceKlass::cast(klass)->is_linked()) { 555 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Class %s must be linked", klass->external_name())); 556 } 557 return LinkResolver::vtable_index_of_interface_method(klass, method); 558 C2V_END 559 560 C2V_VMENTRY(jobject, resolveMethod, (JNIEnv *, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type)) 561 Klass* recv_klass = CompilerToVM::asKlass(receiver_jvmci_type); 562 Klass* caller_klass = CompilerToVM::asKlass(caller_jvmci_type); 563 methodHandle method = CompilerToVM::asMethod(jvmci_method); 564 565 Klass* resolved = method->method_holder(); 566 Symbol* h_name = method->name(); 567 Symbol* h_signature = method->signature(); 568 569 if (MethodHandles::is_signature_polymorphic_method(method())) { 570 // Signature polymorphic methods are already resolved, JVMCI just returns NULL in this case. 571 return NULL; 572 } 573 574 LinkInfo link_info(resolved, h_name, h_signature, caller_klass); 575 methodHandle m; 576 // Only do exact lookup if receiver klass has been linked. Otherwise, 577 // the vtable has not been setup, and the LinkResolver will fail. 578 if (recv_klass->is_array_klass() || 579 (InstanceKlass::cast(recv_klass)->is_linked() && !recv_klass->is_interface())) { 580 if (resolved->is_interface()) { 581 m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info); 582 } else { 583 m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info); 584 } 585 } 586 587 if (m.is_null()) { 588 // Return NULL if there was a problem with lookup (uninitialized class, etc.) 589 return NULL; 590 } 591 592 oop result = CompilerToVM::get_jvmci_method(m, CHECK_NULL); 593 return JNIHandles::make_local(THREAD, result); 594 C2V_END 595 596 C2V_VMENTRY(jboolean, hasFinalizableSubclass,(JNIEnv *, jobject, jobject jvmci_type)) 597 Klass* klass = CompilerToVM::asKlass(jvmci_type); 598 assert(klass != NULL, "method must not be called for primitive types"); 599 return Dependencies::find_finalizable_subclass(klass) != NULL; 600 C2V_END 601 602 C2V_VMENTRY(jobject, getClassInitializer, (JNIEnv *, jobject, jobject jvmci_type)) 603 Klass* klass = CompilerToVM::asKlass(jvmci_type); 604 if (!klass->is_instance_klass()) { 605 return NULL; 606 } 607 InstanceKlass* iklass = InstanceKlass::cast(klass); 608 oop result = CompilerToVM::get_jvmci_method(iklass->class_initializer(), CHECK_NULL); 609 return JNIHandles::make_local(THREAD, result); 610 C2V_END 611 612 C2V_VMENTRY(jlong, getMaxCallTargetOffset, (JNIEnv*, jobject, jlong addr)) 613 address target_addr = (address) addr; 614 if (target_addr != 0x0) { 615 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int)); 616 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int)); 617 return MAX2(ABS(off_low), ABS(off_high)); 618 } 619 return -1; 620 C2V_END 621 622 C2V_VMENTRY(void, setNotInlinableOrCompilable,(JNIEnv *, jobject, jobject jvmci_method)) 623 methodHandle method = CompilerToVM::asMethod(jvmci_method); 624 method->set_not_c1_compilable(); 625 method->set_not_c2_compilable(); 626 method->set_dont_inline(true); 627 C2V_END 628 629 C2V_VMENTRY(jint, installCode, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject installed_code, jobject speculation_log)) 630 ResourceMark rm; 631 HandleMark hm; 632 JNIHandleMark jni_hm; 633 634 Handle target_handle(THREAD, JNIHandles::resolve(target)); 635 Handle compiled_code_handle(THREAD, JNIHandles::resolve(compiled_code)); 636 CodeBlob* cb = NULL; 637 Handle installed_code_handle(THREAD, JNIHandles::resolve(installed_code)); 638 Handle speculation_log_handle(THREAD, JNIHandles::resolve(speculation_log)); 639 640 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK_JNI_ERR); 641 642 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer()); 643 bool is_immutable_PIC = HotSpotCompiledCode::isImmutablePIC(compiled_code_handle) > 0; 644 CodeInstaller installer(is_immutable_PIC); 645 JVMCIEnv::CodeInstallResult result = installer.install(compiler, target_handle, compiled_code_handle, cb, installed_code_handle, speculation_log_handle, CHECK_0); 646 647 if (PrintCodeCacheOnCompilation) { 648 stringStream s; 649 // Dump code cache into a buffer before locking the tty, 650 { 651 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); 652 CodeCache::print_summary(&s, false); 653 } 654 ttyLocker ttyl; 655 tty->print_raw_cr(s.as_string()); 656 } 657 658 if (result != JVMCIEnv::ok) { 659 assert(cb == NULL, "should be"); 660 } else { 661 if (installed_code_handle.not_null()) { 662 assert(installed_code_handle->is_a(InstalledCode::klass()), "wrong type"); 663 nmethod::invalidate_installed_code(installed_code_handle, CHECK_0); 664 { 665 // Ensure that all updates to the InstalledCode fields are consistent. 666 MutexLockerEx pl(Patching_lock, Mutex::_no_safepoint_check_flag); 667 InstalledCode::set_address(installed_code_handle, (jlong) cb); 668 InstalledCode::set_version(installed_code_handle, InstalledCode::version(installed_code_handle) + 1); 669 if (cb->is_nmethod()) { 670 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->as_nmethod_or_null()->verified_entry_point()); 671 } else { 672 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->code_begin()); 673 } 674 if (installed_code_handle->is_a(HotSpotInstalledCode::klass())) { 675 HotSpotInstalledCode::set_size(installed_code_handle, cb->size()); 676 HotSpotInstalledCode::set_codeStart(installed_code_handle, (jlong) cb->code_begin()); 677 HotSpotInstalledCode::set_codeSize(installed_code_handle, cb->code_size()); 678 } 679 } 680 } 681 } 682 return result; 683 C2V_END 684 685 C2V_VMENTRY(jint, getMetadata, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject metadata)) 686 ResourceMark rm; 687 HandleMark hm; 688 689 Handle target_handle(THREAD, JNIHandles::resolve(target)); 690 Handle compiled_code_handle(THREAD, JNIHandles::resolve(compiled_code)); 691 Handle metadata_handle(THREAD, JNIHandles::resolve(metadata)); 692 693 CodeMetadata code_metadata; 694 CodeBlob *cb = NULL; 695 CodeInstaller installer(true /* immutable PIC compilation */); 696 697 JVMCIEnv::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, CHECK_0); 698 if (result != JVMCIEnv::ok) { 699 return result; 700 } 701 702 if (code_metadata.get_nr_pc_desc() > 0) { 703 typeArrayHandle pcArrayOop = oopFactory::new_byteArray_handle(sizeof(PcDesc) * code_metadata.get_nr_pc_desc(), CHECK_(JVMCIEnv::cache_full)); 704 memcpy(pcArrayOop->byte_at_addr(0), code_metadata.get_pc_desc(), sizeof(PcDesc) * code_metadata.get_nr_pc_desc()); 705 HotSpotMetaData::set_pcDescBytes(metadata_handle, pcArrayOop()); 706 } 707 708 if (code_metadata.get_scopes_size() > 0) { 709 typeArrayHandle scopesArrayOop = oopFactory::new_byteArray_handle(code_metadata.get_scopes_size(), CHECK_(JVMCIEnv::cache_full)); 710 memcpy(scopesArrayOop->byte_at_addr(0), code_metadata.get_scopes_desc(), code_metadata.get_scopes_size()); 711 HotSpotMetaData::set_scopesDescBytes(metadata_handle, scopesArrayOop()); 712 } 713 714 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer(); 715 typeArrayHandle relocArrayOop = oopFactory::new_byteArray_handle((int) reloc_buffer->size(), CHECK_(JVMCIEnv::cache_full)); 716 if (reloc_buffer->size() > 0) { 717 memcpy(relocArrayOop->byte_at_addr(0), reloc_buffer->begin(), reloc_buffer->size()); 718 } 719 HotSpotMetaData::set_relocBytes(metadata_handle, relocArrayOop()); 720 721 const OopMapSet* oopMapSet = installer.oopMapSet(); 722 { 723 ResourceMark mark; 724 ImmutableOopMapBuilder builder(oopMapSet); 725 int oopmap_size = builder.heap_size(); 726 typeArrayHandle oopMapArrayHandle = oopFactory::new_byteArray_handle(oopmap_size, CHECK_(JVMCIEnv::cache_full)); 727 builder.generate_into((address) oopMapArrayHandle->byte_at_addr(0)); 728 HotSpotMetaData::set_oopMaps(metadata_handle, oopMapArrayHandle()); 729 } 730 731 AOTOopRecorder* recorder = code_metadata.get_oop_recorder(); 732 733 int nr_meta_refs = recorder->nr_meta_refs(); 734 objArrayOop metadataArray = oopFactory::new_objectArray(nr_meta_refs, CHECK_(JVMCIEnv::cache_full)); 735 objArrayHandle metadataArrayHandle(THREAD, metadataArray); 736 for (int i = 0; i < nr_meta_refs; ++i) { 737 jobject element = recorder->meta_element(i); 738 if (element == NULL) { 739 return JVMCIEnv::cache_full; 740 } 741 metadataArrayHandle->obj_at_put(i, JNIHandles::resolve(element)); 742 } 743 HotSpotMetaData::set_metadata(metadata_handle, metadataArrayHandle()); 744 745 ExceptionHandlerTable* handler = code_metadata.get_exception_table(); 746 int table_size = handler->size_in_bytes(); 747 typeArrayHandle exceptionArrayOop = oopFactory::new_byteArray_handle(table_size, CHECK_(JVMCIEnv::cache_full)); 748 749 if (table_size > 0) { 750 handler->copy_bytes_to((address) exceptionArrayOop->byte_at_addr(0)); 751 } 752 HotSpotMetaData::set_exceptionBytes(metadata_handle, exceptionArrayOop()); 753 754 return result; 755 C2V_END 756 757 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv *jniEnv, jobject)) 758 JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK); 759 CompilerStatistics* stats = compiler->stats(); 760 stats->_standard.reset(); 761 stats->_osr.reset(); 762 C2V_END 763 764 C2V_VMENTRY(jobject, disassembleCodeBlob, (JNIEnv *jniEnv, jobject, jobject installedCode)) 765 ResourceMark rm; 766 HandleMark hm; 767 768 if (installedCode == NULL) { 769 THROW_MSG_NULL(vmSymbols::java_lang_NullPointerException(), "installedCode is null"); 770 } 771 772 jlong codeBlob = InstalledCode::address(installedCode); 773 if (codeBlob == 0L) { 774 return NULL; 775 } 776 777 CodeBlob* cb = (CodeBlob*) (address) codeBlob; 778 if (cb == NULL) { 779 return NULL; 780 } 781 782 // We don't want the stringStream buffer to resize during disassembly as it 783 // uses scoped resource memory. If a nested function called during disassembly uses 784 // a ResourceMark and the buffer expands within the scope of the mark, 785 // the buffer becomes garbage when that scope is exited. Experience shows that 786 // the disassembled code is typically about 10x the code size so a fixed buffer 787 // sized to 20x code size plus a fixed amount for header info should be sufficient. 788 int bufferSize = cb->code_size() * 20 + 1024; 789 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize); 790 stringStream st(buffer, bufferSize); 791 if (cb->is_nmethod()) { 792 nmethod* nm = (nmethod*) cb; 793 if (!nm->is_alive()) { 794 return NULL; 795 } 796 } 797 Disassembler::decode(cb, &st); 798 if (st.size() <= 0) { 799 return NULL; 800 } 801 802 Handle result = java_lang_String::create_from_platform_dependent_str(st.as_string(), CHECK_NULL); 803 return JNIHandles::make_local(THREAD, result()); 804 C2V_END 805 806 C2V_VMENTRY(jobject, getStackTraceElement, (JNIEnv*, jobject, jobject jvmci_method, int bci)) 807 ResourceMark rm; 808 HandleMark hm; 809 810 methodHandle method = CompilerToVM::asMethod(jvmci_method); 811 oop element = java_lang_StackTraceElement::create(method, bci, CHECK_NULL); 812 return JNIHandles::make_local(THREAD, element); 813 C2V_END 814 815 C2V_VMENTRY(jobject, executeInstalledCode, (JNIEnv*, jobject, jobject args, jobject hotspotInstalledCode)) 816 ResourceMark rm; 817 HandleMark hm; 818 819 jlong nmethodValue = InstalledCode::address(hotspotInstalledCode); 820 if (nmethodValue == 0L) { 821 THROW_NULL(vmSymbols::jdk_vm_ci_code_InvalidInstalledCodeException()); 822 } 823 nmethod* nm = (nmethod*) (address) nmethodValue; 824 methodHandle mh = nm->method(); 825 Symbol* signature = mh->signature(); 826 JavaCallArguments jca(mh->size_of_parameters()); 827 828 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static()); 829 JavaValue result(jap.get_ret_type()); 830 jca.set_alternative_target(nm); 831 JavaCalls::call(&result, mh, &jca, CHECK_NULL); 832 833 if (jap.get_ret_type() == T_VOID) { 834 return NULL; 835 } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) { 836 return JNIHandles::make_local(THREAD, (oop) result.get_jobject()); 837 } else { 838 jvalue *value = (jvalue *) result.get_value_addr(); 839 // Narrow the value down if required (Important on big endian machines) 840 switch (jap.get_ret_type()) { 841 case T_BOOLEAN: 842 value->z = (jboolean) value->i; 843 break; 844 case T_BYTE: 845 value->b = (jbyte) value->i; 846 break; 847 case T_CHAR: 848 value->c = (jchar) value->i; 849 break; 850 case T_SHORT: 851 value->s = (jshort) value->i; 852 break; 853 default: 854 break; 855 } 856 oop o = java_lang_boxing_object::create(jap.get_ret_type(), value, CHECK_NULL); 857 return JNIHandles::make_local(THREAD, o); 858 } 859 C2V_END 860 861 C2V_VMENTRY(jlongArray, getLineNumberTable, (JNIEnv *, jobject, jobject jvmci_method)) 862 Method* method = CompilerToVM::asMethod(jvmci_method); 863 if (!method->has_linenumber_table()) { 864 return NULL; 865 } 866 u2 num_entries = 0; 867 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table()); 868 while (streamForSize.read_pair()) { 869 num_entries++; 870 } 871 872 CompressedLineNumberReadStream stream(method->compressed_linenumber_table()); 873 typeArrayOop result = oopFactory::new_longArray(2 * num_entries, CHECK_NULL); 874 875 int i = 0; 876 jlong value; 877 while (stream.read_pair()) { 878 value = ((long) stream.bci()); 879 result->long_at_put(i, value); 880 value = ((long) stream.line()); 881 result->long_at_put(i + 1, value); 882 i += 2; 883 } 884 885 return (jlongArray) JNIHandles::make_local(THREAD, result); 886 C2V_END 887 888 C2V_VMENTRY(jlong, getLocalVariableTableStart, (JNIEnv *, jobject, jobject jvmci_method)) 889 ResourceMark rm; 890 Method* method = CompilerToVM::asMethod(jvmci_method); 891 if (!method->has_localvariable_table()) { 892 return 0; 893 } 894 return (jlong) (address) method->localvariable_table_start(); 895 C2V_END 896 897 C2V_VMENTRY(jint, getLocalVariableTableLength, (JNIEnv *, jobject, jobject jvmci_method)) 898 ResourceMark rm; 899 Method* method = CompilerToVM::asMethod(jvmci_method); 900 return method->localvariable_table_length(); 901 C2V_END 902 903 C2V_VMENTRY(void, reprofile, (JNIEnv*, jobject, jobject jvmci_method)) 904 Method* method = CompilerToVM::asMethod(jvmci_method); 905 MethodCounters* mcs = method->method_counters(); 906 if (mcs != NULL) { 907 mcs->clear_counters(); 908 } 909 NOT_PRODUCT(method->set_compiled_invocation_count(0)); 910 911 CompiledMethod* code = method->code(); 912 if (code != NULL) { 913 code->make_not_entrant(); 914 } 915 916 MethodData* method_data = method->method_data(); 917 if (method_data == NULL) { 918 ClassLoaderData* loader_data = method->method_holder()->class_loader_data(); 919 method_data = MethodData::allocate(loader_data, method, CHECK); 920 method->set_method_data(method_data); 921 } else { 922 method_data->initialize(); 923 } 924 C2V_END 925 926 927 C2V_VMENTRY(void, invalidateInstalledCode, (JNIEnv*, jobject, jobject installed_code)) 928 Handle installed_code_handle(THREAD, JNIHandles::resolve(installed_code)); 929 nmethod::invalidate_installed_code(installed_code_handle, CHECK); 930 C2V_END 931 932 C2V_VMENTRY(jlongArray, collectCounters, (JNIEnv*, jobject)) 933 typeArrayOop arrayOop = oopFactory::new_longArray(JVMCICounterSize, CHECK_NULL); 934 JavaThread::collect_counters(arrayOop); 935 return (jlongArray) JNIHandles::make_local(THREAD, arrayOop); 936 C2V_END 937 938 C2V_VMENTRY(int, allocateCompileId, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci)) 939 HandleMark hm; 940 ResourceMark rm; 941 if (JNIHandles::resolve(jvmci_method) == NULL) { 942 THROW_0(vmSymbols::java_lang_NullPointerException()); 943 } 944 Method* method = CompilerToVM::asMethod(jvmci_method); 945 if (entry_bci >= method->code_size() || entry_bci < -1) { 946 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Unexpected bci %d", entry_bci)); 947 } 948 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci); 949 C2V_END 950 951 952 C2V_VMENTRY(jboolean, isMature, (JNIEnv*, jobject, jlong metaspace_method_data)) 953 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data); 954 return mdo != NULL && mdo->is_mature(); 955 C2V_END 956 957 C2V_VMENTRY(jboolean, hasCompiledCodeForOSR, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci, int comp_level)) 958 Method* method = CompilerToVM::asMethod(jvmci_method); 959 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL; 960 C2V_END 961 962 C2V_VMENTRY(jobject, getSymbol, (JNIEnv*, jobject, jlong symbol)) 963 Handle sym = java_lang_String::create_from_symbol((Symbol*)(address)symbol, CHECK_NULL); 964 return JNIHandles::make_local(THREAD, sym()); 965 C2V_END 966 967 bool matches(jobjectArray methods, Method* method) { 968 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods); 969 970 for (int i = 0; i < methods_oop->length(); i++) { 971 oop resolved = methods_oop->obj_at(i); 972 if (resolved->is_a(HotSpotResolvedJavaMethodImpl::klass()) && CompilerToVM::asMethod(resolved) == method) { 973 return true; 974 } 975 } 976 return false; 977 } 978 979 void call_interface(JavaValue* result, Klass* spec_klass, Symbol* name, Symbol* signature, JavaCallArguments* args, TRAPS) { 980 CallInfo callinfo; 981 Handle receiver = args->receiver(); 982 Klass* recvrKlass = receiver.is_null() ? (Klass*)NULL : receiver->klass(); 983 LinkInfo link_info(spec_klass, name, signature); 984 LinkResolver::resolve_interface_call( 985 callinfo, receiver, recvrKlass, link_info, true, CHECK); 986 methodHandle method = callinfo.selected_method(); 987 assert(method.not_null(), "should have thrown exception"); 988 989 // Invoke the method 990 JavaCalls::call(result, method, args, CHECK); 991 } 992 993 C2V_VMENTRY(jobject, iterateFrames, (JNIEnv*, jobject compilerToVM, jobjectArray initial_methods, jobjectArray match_methods, jint initialSkip, jobject visitor_handle)) 994 ResourceMark rm; 995 996 if (!thread->has_last_Java_frame()) { 997 return NULL; 998 } 999 Handle visitor(THREAD, JNIHandles::resolve_non_null(visitor_handle)); 1000 Handle frame_reference = HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL); 1001 HotSpotStackFrameReference::klass()->initialize(CHECK_NULL); 1002 1003 StackFrameStream fst(thread); 1004 1005 jobjectArray methods = initial_methods; 1006 1007 int frame_number = 0; 1008 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); 1009 1010 while (true) { 1011 // look for the given method 1012 bool realloc_called = false; 1013 while (true) { 1014 StackValueCollection* locals = NULL; 1015 if (vf->is_compiled_frame()) { 1016 // compiled method frame 1017 compiledVFrame* cvf = compiledVFrame::cast(vf); 1018 if (methods == NULL || matches(methods, cvf->method())) { 1019 if (initialSkip > 0) { 1020 initialSkip--; 1021 } else { 1022 ScopeDesc* scope = cvf->scope(); 1023 // native wrappers do not have a scope 1024 if (scope != NULL && scope->objects() != NULL) { 1025 GrowableArray<ScopeValue*>* objects; 1026 if (!realloc_called) { 1027 objects = scope->objects(); 1028 } else { 1029 // some object might already have been re-allocated, only reallocate the non-allocated ones 1030 objects = new GrowableArray<ScopeValue*>(scope->objects()->length()); 1031 int ii = 0; 1032 for (int i = 0; i < scope->objects()->length(); i++) { 1033 ObjectValue* sv = (ObjectValue*) scope->objects()->at(i); 1034 if (sv->value().is_null()) { 1035 objects->at_put(ii++, sv); 1036 } 1037 } 1038 } 1039 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), objects, CHECK_NULL); 1040 Deoptimization::reassign_fields(fst.current(), fst.register_map(), objects, realloc_failures, false); 1041 realloc_called = true; 1042 1043 GrowableArray<ScopeValue*>* local_values = scope->locals(); 1044 assert(local_values != NULL, "NULL locals"); 1045 typeArrayOop array_oop = oopFactory::new_boolArray(local_values->length(), CHECK_NULL); 1046 typeArrayHandle array(THREAD, array_oop); 1047 for (int i = 0; i < local_values->length(); i++) { 1048 ScopeValue* value = local_values->at(i); 1049 if (value->is_object()) { 1050 array->bool_at_put(i, true); 1051 } 1052 } 1053 HotSpotStackFrameReference::set_localIsVirtual(frame_reference, array()); 1054 } else { 1055 HotSpotStackFrameReference::set_localIsVirtual(frame_reference, NULL); 1056 } 1057 1058 locals = cvf->locals(); 1059 HotSpotStackFrameReference::set_bci(frame_reference, cvf->bci()); 1060 oop method = CompilerToVM::get_jvmci_method(cvf->method(), CHECK_NULL); 1061 HotSpotStackFrameReference::set_method(frame_reference, method); 1062 } 1063 } 1064 } else if (vf->is_interpreted_frame()) { 1065 // interpreted method frame 1066 interpretedVFrame* ivf = interpretedVFrame::cast(vf); 1067 if (methods == NULL || matches(methods, ivf->method())) { 1068 if (initialSkip > 0) { 1069 initialSkip--; 1070 } else { 1071 locals = ivf->locals(); 1072 HotSpotStackFrameReference::set_bci(frame_reference, ivf->bci()); 1073 oop method = CompilerToVM::get_jvmci_method(ivf->method(), CHECK_NULL); 1074 HotSpotStackFrameReference::set_method(frame_reference, method); 1075 HotSpotStackFrameReference::set_localIsVirtual(frame_reference, NULL); 1076 } 1077 } 1078 } 1079 1080 // locals != NULL means that we found a matching frame and result is already partially initialized 1081 if (locals != NULL) { 1082 methods = match_methods; 1083 HotSpotStackFrameReference::set_compilerToVM(frame_reference, JNIHandles::resolve(compilerToVM)); 1084 HotSpotStackFrameReference::set_stackPointer(frame_reference, (jlong) fst.current()->sp()); 1085 HotSpotStackFrameReference::set_frameNumber(frame_reference, frame_number); 1086 1087 // initialize the locals array 1088 objArrayOop array_oop = oopFactory::new_objectArray(locals->size(), CHECK_NULL); 1089 objArrayHandle array(THREAD, array_oop); 1090 for (int i = 0; i < locals->size(); i++) { 1091 StackValue* var = locals->at(i); 1092 if (var->type() == T_OBJECT) { 1093 array->obj_at_put(i, locals->at(i)->get_obj()()); 1094 } 1095 } 1096 HotSpotStackFrameReference::set_locals(frame_reference, array()); 1097 HotSpotStackFrameReference::set_objectsMaterialized(frame_reference, JNI_FALSE); 1098 1099 JavaValue result(T_OBJECT); 1100 JavaCallArguments args(visitor); 1101 args.push_oop(frame_reference); 1102 call_interface(&result, SystemDictionary::InspectedFrameVisitor_klass(), vmSymbols::visitFrame_name(), vmSymbols::visitFrame_signature(), &args, CHECK_NULL); 1103 if (result.get_jobject() != NULL) { 1104 return JNIHandles::make_local(thread, (oop) result.get_jobject()); 1105 } 1106 assert(initialSkip == 0, "There should be no match before initialSkip == 0"); 1107 if (HotSpotStackFrameReference::objectsMaterialized(frame_reference) == JNI_TRUE) { 1108 // the frame has been deoptimized, we need to re-synchronize the frame and vframe 1109 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(frame_reference); 1110 fst = StackFrameStream(thread); 1111 while (fst.current()->sp() != stack_pointer && !fst.is_done()) { 1112 fst.next(); 1113 } 1114 if (fst.current()->sp() != stack_pointer) { 1115 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt") 1116 } 1117 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); 1118 if (!vf->is_compiled_frame()) { 1119 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected") 1120 } 1121 for (int i = 0; i < frame_number; i++) { 1122 if (vf->is_top()) { 1123 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "vframe not found after deopt") 1124 } 1125 vf = vf->sender(); 1126 assert(vf->is_compiled_frame(), "Wrong frame type"); 1127 } 1128 } 1129 frame_reference = HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL); 1130 HotSpotStackFrameReference::klass()->initialize(CHECK_NULL); 1131 } 1132 1133 if (vf->is_top()) { 1134 break; 1135 } 1136 frame_number++; 1137 vf = vf->sender(); 1138 } // end of vframe loop 1139 1140 if (fst.is_done()) { 1141 break; 1142 } 1143 fst.next(); 1144 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); 1145 frame_number = 0; 1146 } // end of frame loop 1147 1148 // the end was reached without finding a matching method 1149 return NULL; 1150 C2V_END 1151 1152 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 1153 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 1154 CallInfo callInfo; 1155 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK); 1156 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index); 1157 cp_cache_entry->set_dynamic_call(cp, callInfo); 1158 C2V_END 1159 1160 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 1161 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 1162 Klass* holder = cp->klass_ref_at(index, CHECK); 1163 Symbol* name = cp->name_ref_at(index); 1164 if (MethodHandles::is_signature_polymorphic_name(holder, name)) { 1165 CallInfo callInfo; 1166 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK); 1167 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index)); 1168 cp_cache_entry->set_method_handle(cp, callInfo); 1169 } 1170 C2V_END 1171 1172 C2V_VMENTRY(jint, isResolvedInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 1173 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 1174 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index)); 1175 if (cp_cache_entry->is_resolved(Bytecodes::_invokehandle)) { 1176 // MethodHandle.invoke* --> LambdaForm? 1177 ResourceMark rm; 1178 1179 LinkInfo link_info(cp, index, CATCH); 1180 1181 Klass* resolved_klass = link_info.resolved_klass(); 1182 1183 Symbol* name_sym = cp->name_ref_at(index); 1184 1185 vmassert(MethodHandles::is_method_handle_invoke_name(resolved_klass, name_sym), "!"); 1186 vmassert(MethodHandles::is_signature_polymorphic_name(resolved_klass, name_sym), "!"); 1187 1188 methodHandle adapter_method(cp_cache_entry->f1_as_method()); 1189 1190 methodHandle resolved_method(adapter_method); 1191 1192 // Can we treat it as a regular invokevirtual? 1193 if (resolved_method->method_holder() == resolved_klass && resolved_method->name() == name_sym) { 1194 vmassert(!resolved_method->is_static(),"!"); 1195 vmassert(MethodHandles::is_signature_polymorphic_method(resolved_method()),"!"); 1196 vmassert(!MethodHandles::is_signature_polymorphic_static(resolved_method->intrinsic_id()), "!"); 1197 vmassert(cp_cache_entry->appendix_if_resolved(cp) == NULL, "!"); 1198 vmassert(cp_cache_entry->method_type_if_resolved(cp) == NULL, "!"); 1199 1200 methodHandle m(LinkResolver::linktime_resolve_virtual_method_or_null(link_info)); 1201 vmassert(m == resolved_method, "!!"); 1202 return -1; 1203 } 1204 1205 return Bytecodes::_invokevirtual; 1206 } 1207 if (cp_cache_entry->is_resolved(Bytecodes::_invokedynamic)) { 1208 return Bytecodes::_invokedynamic; 1209 } 1210 return -1; 1211 C2V_END 1212 1213 1214 C2V_VMENTRY(jobject, getSignaturePolymorphicHolders, (JNIEnv*, jobject)) 1215 objArrayHandle holders = oopFactory::new_objArray_handle(SystemDictionary::String_klass(), 2, CHECK_NULL); 1216 Handle mh = java_lang_String::create_from_str("Ljava/lang/invoke/MethodHandle;", CHECK_NULL); 1217 Handle vh = java_lang_String::create_from_str("Ljava/lang/invoke/VarHandle;", CHECK_NULL); 1218 holders->obj_at_put(0, mh()); 1219 holders->obj_at_put(1, vh()); 1220 return JNIHandles::make_local(THREAD, holders()); 1221 C2V_END 1222 1223 C2V_VMENTRY(jboolean, shouldDebugNonSafepoints, (JNIEnv*, jobject)) 1224 //see compute_recording_non_safepoints in debugInfroRec.cpp 1225 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) { 1226 return true; 1227 } 1228 return DebugNonSafepoints; 1229 C2V_END 1230 1231 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate); 1232 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv*, jobject, jobject hs_frame, bool invalidate)) 1233 ResourceMark rm; 1234 1235 if (hs_frame == NULL) { 1236 THROW_MSG(vmSymbols::java_lang_NullPointerException(), "stack frame is null") 1237 } 1238 1239 HotSpotStackFrameReference::klass()->initialize(CHECK); 1240 1241 // look for the given stack frame 1242 StackFrameStream fst(thread); 1243 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame); 1244 while (fst.current()->sp() != stack_pointer && !fst.is_done()) { 1245 fst.next(); 1246 } 1247 if (fst.current()->sp() != stack_pointer) { 1248 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found") 1249 } 1250 1251 if (invalidate) { 1252 if (!fst.current()->is_compiled_frame()) { 1253 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected") 1254 } 1255 assert(fst.current()->cb()->is_nmethod(), "nmethod expected"); 1256 ((nmethod*) fst.current()->cb())->make_not_entrant(); 1257 } 1258 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none); 1259 // look for the frame again as it has been updated by deopt (pc, deopt state...) 1260 StackFrameStream fstAfterDeopt(thread); 1261 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) { 1262 fstAfterDeopt.next(); 1263 } 1264 if (fstAfterDeopt.current()->sp() != stack_pointer) { 1265 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt") 1266 } 1267 1268 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread); 1269 if (!vf->is_compiled_frame()) { 1270 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected") 1271 } 1272 1273 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10); 1274 while (true) { 1275 assert(vf->is_compiled_frame(), "Wrong frame type"); 1276 virtualFrames->push(compiledVFrame::cast(vf)); 1277 if (vf->is_top()) { 1278 break; 1279 } 1280 vf = vf->sender(); 1281 } 1282 1283 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame); 1284 if (last_frame_number >= virtualFrames->length()) { 1285 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "invalid frame number") 1286 } 1287 1288 // Reallocate the non-escaping objects and restore their fields. 1289 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope"); 1290 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects(); 1291 1292 if (objects == NULL) { 1293 // no objects to materialize 1294 return; 1295 } 1296 1297 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), objects, CHECK); 1298 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false); 1299 1300 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) { 1301 compiledVFrame* cvf = virtualFrames->at(frame_index); 1302 1303 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals(); 1304 StackValueCollection* locals = cvf->locals(); 1305 if (locals != NULL) { 1306 for (int i2 = 0; i2 < locals->size(); i2++) { 1307 StackValue* var = locals->at(i2); 1308 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) { 1309 jvalue val; 1310 val.l = (jobject) locals->at(i2)->get_obj()(); 1311 cvf->update_local(T_OBJECT, i2, val); 1312 } 1313 } 1314 } 1315 1316 GrowableArray<ScopeValue*>* scopeExpressions = cvf->scope()->expressions(); 1317 StackValueCollection* expressions = cvf->expressions(); 1318 if (expressions != NULL) { 1319 for (int i2 = 0; i2 < expressions->size(); i2++) { 1320 StackValue* var = expressions->at(i2); 1321 if (var->type() == T_OBJECT && scopeExpressions->at(i2)->is_object()) { 1322 jvalue val; 1323 val.l = (jobject) expressions->at(i2)->get_obj()(); 1324 cvf->update_stack(T_OBJECT, i2, val); 1325 } 1326 } 1327 } 1328 1329 GrowableArray<MonitorValue*>* scopeMonitors = cvf->scope()->monitors(); 1330 GrowableArray<MonitorInfo*>* monitors = cvf->monitors(); 1331 if (monitors != NULL) { 1332 for (int i2 = 0; i2 < monitors->length(); i2++) { 1333 cvf->update_monitor(i2, monitors->at(i2)); 1334 } 1335 } 1336 } 1337 1338 // all locals are materialized by now 1339 HotSpotStackFrameReference::set_localIsVirtual(hs_frame, NULL); 1340 1341 // update the locals array 1342 objArrayHandle array(THREAD, HotSpotStackFrameReference::locals(hs_frame)); 1343 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals(); 1344 for (int i = 0; i < locals->size(); i++) { 1345 StackValue* var = locals->at(i); 1346 if (var->type() == T_OBJECT) { 1347 array->obj_at_put(i, locals->at(i)->get_obj()()); 1348 } 1349 } 1350 HotSpotStackFrameReference::set_objectsMaterialized(hs_frame, JNI_TRUE); 1351 C2V_END 1352 1353 C2V_VMENTRY(void, writeDebugOutput, (JNIEnv*, jobject, jbyteArray bytes, jint offset, jint length)) 1354 if (bytes == NULL) { 1355 THROW(vmSymbols::java_lang_NullPointerException()); 1356 } 1357 typeArrayOop array = (typeArrayOop) JNIHandles::resolve(bytes); 1358 1359 // Check if offset and length are non negative. 1360 if (offset < 0 || length < 0) { 1361 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); 1362 } 1363 // Check if the range is valid. 1364 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array->length())) { 1365 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); 1366 } 1367 while (length > 0) { 1368 jbyte* start = array->byte_at_addr(offset); 1369 tty->write((char*) start, MIN2(length, (jint)O_BUFLEN)); 1370 length -= O_BUFLEN; 1371 offset += O_BUFLEN; 1372 } 1373 C2V_END 1374 1375 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv*, jobject)) 1376 tty->flush(); 1377 C2V_END 1378 1379 C2V_VMENTRY(int, methodDataProfileDataSize, (JNIEnv*, jobject, jlong metaspace_method_data, jint position)) 1380 ResourceMark rm; 1381 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data); 1382 ProfileData* profile_data = mdo->data_at(position); 1383 if (mdo->is_valid(profile_data)) { 1384 return profile_data->size_in_bytes(); 1385 } 1386 DataLayout* data = mdo->extra_data_base(); 1387 DataLayout* end = mdo->extra_data_limit(); 1388 for (;; data = mdo->next_extra(data)) { 1389 assert(data < end, "moved past end of extra data"); 1390 profile_data = data->data_in(); 1391 if (mdo->dp_to_di(profile_data->dp()) == position) { 1392 return profile_data->size_in_bytes(); 1393 } 1394 } 1395 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Invalid profile data position %d", position)); 1396 C2V_END 1397 1398 C2V_VMENTRY(jlong, getFingerprint, (JNIEnv*, jobject, jlong metaspace_klass)) 1399 Klass *k = CompilerToVM::asKlass(metaspace_klass); 1400 if (k->is_instance_klass()) { 1401 return InstanceKlass::cast(k)->get_stored_fingerprint(); 1402 } else { 1403 return 0; 1404 } 1405 C2V_END 1406 1407 C2V_VMENTRY(jobject, getHostClass, (JNIEnv*, jobject, jobject jvmci_type)) 1408 InstanceKlass* k = InstanceKlass::cast(CompilerToVM::asKlass(jvmci_type)); 1409 InstanceKlass* host = k->host_klass(); 1410 oop result = CompilerToVM::get_jvmci_type(host, CHECK_NULL); 1411 return JNIHandles::make_local(THREAD, result); 1412 C2V_END 1413 1414 C2V_VMENTRY(int, interpreterFrameSize, (JNIEnv*, jobject, jobject bytecode_frame_handle)) 1415 if (bytecode_frame_handle == NULL) { 1416 THROW_0(vmSymbols::java_lang_NullPointerException()); 1417 } 1418 1419 oop top_bytecode_frame = JNIHandles::resolve_non_null(bytecode_frame_handle); 1420 oop bytecode_frame = top_bytecode_frame; 1421 int size = 0; 1422 int callee_parameters = 0; 1423 int callee_locals = 0; 1424 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame)); 1425 int extra_args = method->max_stack() - BytecodeFrame::numStack(bytecode_frame); 1426 1427 while (bytecode_frame != NULL) { 1428 int locks = BytecodeFrame::numLocks(bytecode_frame); 1429 int temps = BytecodeFrame::numStack(bytecode_frame); 1430 bool is_top_frame = (bytecode_frame == top_bytecode_frame); 1431 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame)); 1432 1433 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(), 1434 temps + callee_parameters, 1435 extra_args, 1436 locks, 1437 callee_parameters, 1438 callee_locals, 1439 is_top_frame); 1440 size += frame_size; 1441 1442 callee_parameters = method->size_of_parameters(); 1443 callee_locals = method->max_locals(); 1444 extra_args = 0; 1445 bytecode_frame = BytecodePosition::caller(bytecode_frame); 1446 } 1447 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord; 1448 C2V_END 1449 1450 C2V_VMENTRY(void, compileToBytecode, (JNIEnv*, jobject, jobject lambda_form_handle)) 1451 Handle lambda_form(THREAD, JNIHandles::resolve_non_null(lambda_form_handle)); 1452 if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) { 1453 TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode", CHECK); 1454 JavaValue result(T_VOID); 1455 JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK); 1456 } else { 1457 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), 1458 err_msg("Unexpected type: %s", lambda_form->klass()->external_name())); 1459 } 1460 C2V_END 1461 1462 #define CC (char*) /*cast a literal from (const char*)*/ 1463 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f)) 1464 1465 #define STRING "Ljava/lang/String;" 1466 #define OBJECT "Ljava/lang/Object;" 1467 #define CLASS "Ljava/lang/Class;" 1468 #define EXECUTABLE "Ljava/lang/reflect/Executable;" 1469 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;" 1470 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;" 1471 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;" 1472 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;" 1473 #define INSPECTED_FRAME_VISITOR "Ljdk/vm/ci/code/stack/InspectedFrameVisitor;" 1474 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;" 1475 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;" 1476 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;" 1477 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;" 1478 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;" 1479 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;" 1480 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;" 1481 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;" 1482 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;" 1483 #define METASPACE_METHOD_DATA "J" 1484 1485 JNINativeMethod CompilerToVM::methods[] = { 1486 {CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)}, 1487 {CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)}, 1488 {CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)}, 1489 {CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)}, 1490 {CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)}, 1491 {CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)}, 1492 {CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)}, 1493 {CC "setNotInlinableOrCompilable", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(setNotInlinableOrCompilable)}, 1494 {CC "isCompilable", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(isCompilable)}, 1495 {CC "hasNeverInlineDirective", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(hasNeverInlineDirective)}, 1496 {CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)}, 1497 {CC "lookupType", CC "(" STRING CLASS "Z)" HS_RESOLVED_KLASS, FN_PTR(lookupType)}, 1498 {CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)}, 1499 {CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)}, 1500 {CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)}, 1501 {CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)}, 1502 {CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)}, 1503 {CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(lookupAppendixInPool)}, 1504 {CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)}, 1505 {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)}, 1506 {CC "resolveConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolveConstantInPool)}, 1507 {CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolvePossiblyCachedConstantInPool)}, 1508 {CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)}, 1509 {CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[I)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)}, 1510 {CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)}, 1511 {CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)}, 1512 {CC "isResolvedInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(isResolvedInvokeHandleInPool)}, 1513 {CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)}, 1514 {CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)}, 1515 {CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)}, 1516 {CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)}, 1517 {CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)}, 1518 {CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)}, 1519 {CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)}, 1520 {CC "getResolvedJavaMethod", CC "(Ljava/lang/Object;J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)}, 1521 {CC "getConstantPool", CC "(Ljava/lang/Object;)" HS_CONSTANT_POOL, FN_PTR(getConstantPool)}, 1522 {CC "getResolvedJavaType", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType)}, 1523 {CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)}, 1524 {CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE HS_SPECULATION_LOG ")I", FN_PTR(installCode)}, 1525 {CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)}, 1526 {CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)}, 1527 {CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)}, 1528 {CC "executeInstalledCode", CC "([" OBJECT INSTALLED_CODE ")" OBJECT, FN_PTR(executeInstalledCode)}, 1529 {CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)}, 1530 {CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)}, 1531 {CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)}, 1532 {CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)}, 1533 {CC "invalidateInstalledCode", CC "(" INSTALLED_CODE ")V", FN_PTR(invalidateInstalledCode)}, 1534 {CC "collectCounters", CC "()[J", FN_PTR(collectCounters)}, 1535 {CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)}, 1536 {CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)}, 1537 {CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)}, 1538 {CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)}, 1539 {CC "iterateFrames", CC "([" RESOLVED_METHOD "[" RESOLVED_METHOD "I" INSPECTED_FRAME_VISITOR ")" OBJECT, FN_PTR(iterateFrames)}, 1540 {CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)}, 1541 {CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)}, 1542 {CC "writeDebugOutput", CC "([BII)V", FN_PTR(writeDebugOutput)}, 1543 {CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)}, 1544 {CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)}, 1545 {CC "getFingerprint", CC "(J)J", FN_PTR(getFingerprint)}, 1546 {CC "getHostClass", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getHostClass)}, 1547 {CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)}, 1548 {CC "compileToBytecode", CC "(" OBJECT ")V", FN_PTR(compileToBytecode)}, 1549 {CC "getFlagValue", CC "(" STRING ")" OBJECT, FN_PTR(getFlagValue)}, 1550 }; 1551 1552 int CompilerToVM::methods_count() { 1553 return sizeof(methods) / sizeof(JNINativeMethod); 1554 }