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