1 /* 2 * Copyright (c) 2011, 2015, 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 "code/codeCache.hpp" 26 #include "code/scopeDesc.hpp" 27 #include "interpreter/linkResolver.hpp" 28 #include "memory/oopFactory.hpp" 29 #include "oops/generateOopMap.hpp" 30 #include "oops/fieldStreams.hpp" 31 #include "oops/oop.inline.hpp" 32 #include "oops/objArrayOop.inline.hpp" 33 #include "runtime/fieldDescriptor.hpp" 34 #include "runtime/javaCalls.hpp" 35 #include "jvmci/jvmciRuntime.hpp" 36 #include "compiler/abstractCompiler.hpp" 37 #include "compiler/compileBroker.hpp" 38 #include "compiler/compilerOracle.hpp" 39 #include "compiler/disassembler.hpp" 40 #include "compiler/oopMap.hpp" 41 #include "jvmci/jvmciCompilerToVM.hpp" 42 #include "jvmci/jvmciCompiler.hpp" 43 #include "jvmci/jvmciEnv.hpp" 44 #include "jvmci/jvmciJavaClasses.hpp" 45 #include "jvmci/jvmciCodeInstaller.hpp" 46 #include "gc/g1/heapRegion.hpp" 47 #include "runtime/javaCalls.hpp" 48 #include "runtime/deoptimization.hpp" 49 #include "runtime/vframe.hpp" 50 #include "runtime/vframe_hp.hpp" 51 #include "runtime/vmStructs.hpp" 52 53 54 // Entry to native method implementation that transitions current thread to '_thread_in_vm'. 55 #define C2V_VMENTRY(result_type, name, signature) \ 56 JNIEXPORT result_type JNICALL c2v_ ## name signature { \ 57 TRACE_jvmci_1("CompilerToVM::" #name); \ 58 TRACE_CALL(result_type, jvmci_ ## name signature) \ 59 JVMCI_VM_ENTRY_MARK; \ 60 61 #define C2V_END } 62 63 oop CompilerToVM::get_jvmci_method(const methodHandle& method, TRAPS) { 64 if (method() != NULL) { 65 JavaValue result(T_OBJECT); 66 JavaCallArguments args; 67 args.push_long((jlong) (address) method()); 68 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedJavaMethodImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::method_fromMetaspace_signature(), &args, CHECK_NULL); 69 70 return (oop)result.get_jobject(); 71 } 72 return NULL; 73 } 74 75 oop CompilerToVM::get_jvmci_type(KlassHandle klass, TRAPS) { 76 if (klass() != NULL) { 77 JavaValue result(T_OBJECT); 78 JavaCallArguments args; 79 args.push_oop(klass->java_mirror()); 80 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedObjectTypeImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::klass_fromMetaspace_signature(), &args, CHECK_NULL); 81 82 return (oop)result.get_jobject(); 83 } 84 return NULL; 85 } 86 87 extern "C" { 88 extern VMStructEntry* gHotSpotVMStructs; 89 extern uint64_t gHotSpotVMStructEntryTypeNameOffset; 90 extern uint64_t gHotSpotVMStructEntryFieldNameOffset; 91 extern uint64_t gHotSpotVMStructEntryTypeStringOffset; 92 extern uint64_t gHotSpotVMStructEntryIsStaticOffset; 93 extern uint64_t gHotSpotVMStructEntryOffsetOffset; 94 extern uint64_t gHotSpotVMStructEntryAddressOffset; 95 extern uint64_t gHotSpotVMStructEntryArrayStride; 96 97 extern VMTypeEntry* gHotSpotVMTypes; 98 extern uint64_t gHotSpotVMTypeEntryTypeNameOffset; 99 extern uint64_t gHotSpotVMTypeEntrySuperclassNameOffset; 100 extern uint64_t gHotSpotVMTypeEntryIsOopTypeOffset; 101 extern uint64_t gHotSpotVMTypeEntryIsIntegerTypeOffset; 102 extern uint64_t gHotSpotVMTypeEntryIsUnsignedOffset; 103 extern uint64_t gHotSpotVMTypeEntrySizeOffset; 104 extern uint64_t gHotSpotVMTypeEntryArrayStride; 105 106 extern VMIntConstantEntry* gHotSpotVMIntConstants; 107 extern uint64_t gHotSpotVMIntConstantEntryNameOffset; 108 extern uint64_t gHotSpotVMIntConstantEntryValueOffset; 109 extern uint64_t gHotSpotVMIntConstantEntryArrayStride; 110 111 extern VMLongConstantEntry* gHotSpotVMLongConstants; 112 extern uint64_t gHotSpotVMLongConstantEntryNameOffset; 113 extern uint64_t gHotSpotVMLongConstantEntryValueOffset; 114 extern uint64_t gHotSpotVMLongConstantEntryArrayStride; 115 116 extern VMAddressEntry* gHotSpotVMAddresses; 117 extern uint64_t gHotSpotVMAddressEntryNameOffset; 118 extern uint64_t gHotSpotVMAddressEntryValueOffset; 119 extern uint64_t gHotSpotVMAddressEntryArrayStride; 120 } 121 122 // FIXME This is only temporary until the GC code is changed. 123 bool CompilerToVM::_supports_inline_contig_alloc; 124 HeapWord** CompilerToVM::_heap_end_addr; 125 HeapWord** CompilerToVM::_heap_top_addr; 126 127 /** 128 * We put all gHotSpotVM values in an array so we can read them easily from Java. 129 */ 130 static uintptr_t ciHotSpotVMData[28]; 131 132 C2V_VMENTRY(jlong, initializeConfiguration, (JNIEnv *env, jobject)) 133 ciHotSpotVMData[0] = (uintptr_t) gHotSpotVMStructs; 134 ciHotSpotVMData[1] = gHotSpotVMStructEntryTypeNameOffset; 135 ciHotSpotVMData[2] = gHotSpotVMStructEntryFieldNameOffset; 136 ciHotSpotVMData[3] = gHotSpotVMStructEntryTypeStringOffset; 137 ciHotSpotVMData[4] = gHotSpotVMStructEntryIsStaticOffset; 138 ciHotSpotVMData[5] = gHotSpotVMStructEntryOffsetOffset; 139 ciHotSpotVMData[6] = gHotSpotVMStructEntryAddressOffset; 140 ciHotSpotVMData[7] = gHotSpotVMStructEntryArrayStride; 141 142 ciHotSpotVMData[8] = (uintptr_t) gHotSpotVMTypes; 143 ciHotSpotVMData[9] = gHotSpotVMTypeEntryTypeNameOffset; 144 ciHotSpotVMData[10] = gHotSpotVMTypeEntrySuperclassNameOffset; 145 ciHotSpotVMData[11] = gHotSpotVMTypeEntryIsOopTypeOffset; 146 ciHotSpotVMData[12] = gHotSpotVMTypeEntryIsIntegerTypeOffset; 147 ciHotSpotVMData[13] = gHotSpotVMTypeEntryIsUnsignedOffset; 148 ciHotSpotVMData[14] = gHotSpotVMTypeEntrySizeOffset; 149 ciHotSpotVMData[15] = gHotSpotVMTypeEntryArrayStride; 150 151 ciHotSpotVMData[16] = (uintptr_t) gHotSpotVMIntConstants; 152 ciHotSpotVMData[17] = gHotSpotVMIntConstantEntryNameOffset; 153 ciHotSpotVMData[18] = gHotSpotVMIntConstantEntryValueOffset; 154 ciHotSpotVMData[19] = gHotSpotVMIntConstantEntryArrayStride; 155 156 ciHotSpotVMData[20] = (uintptr_t) gHotSpotVMLongConstants; 157 ciHotSpotVMData[21] = gHotSpotVMLongConstantEntryNameOffset; 158 ciHotSpotVMData[22] = gHotSpotVMLongConstantEntryValueOffset; 159 ciHotSpotVMData[23] = gHotSpotVMLongConstantEntryArrayStride; 160 161 ciHotSpotVMData[24] = (uintptr_t) gHotSpotVMAddresses; 162 ciHotSpotVMData[25] = gHotSpotVMAddressEntryNameOffset; 163 ciHotSpotVMData[26] = gHotSpotVMAddressEntryValueOffset; 164 ciHotSpotVMData[27] = gHotSpotVMAddressEntryArrayStride; 165 166 // FIXME This is only temporary until the GC code is changed. 167 CompilerToVM::_supports_inline_contig_alloc = Universe::heap()->supports_inline_contig_alloc(); 168 CompilerToVM::_heap_end_addr = CompilerToVM::_supports_inline_contig_alloc ? Universe::heap()->end_addr() : (HeapWord**) -1; 169 CompilerToVM::_heap_top_addr = CompilerToVM::_supports_inline_contig_alloc ? Universe::heap()->top_addr() : (HeapWord**) -1; 170 171 return (jlong) (address) &ciHotSpotVMData; 172 C2V_END 173 174 C2V_VMENTRY(jbyteArray, getBytecode, (JNIEnv *, jobject, jobject jvmci_method)) 175 methodHandle method = CompilerToVM::asMethod(jvmci_method); 176 ResourceMark rm; 177 178 int code_size = method->code_size(); 179 typeArrayOop reconstituted_code = oopFactory::new_byteArray(code_size, CHECK_NULL); 180 181 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten"); 182 // iterate over all bytecodes and replace non-Java bytecodes 183 184 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) { 185 Bytecodes::Code code = s.code(); 186 Bytecodes::Code raw_code = s.raw_code(); 187 int bci = s.bci(); 188 int len = s.instruction_size(); 189 190 // Restore original byte code. 191 reconstituted_code->byte_at_put(bci, (jbyte) (s.is_wide()? Bytecodes::_wide : code)); 192 if (len > 1) { 193 memcpy(reconstituted_code->byte_at_addr(bci + 1), s.bcp()+1, len-1); 194 } 195 196 if (len > 1) { 197 // Restore the big-endian constant pool indexes. 198 // Cf. Rewriter::scan_method 199 switch (code) { 200 case Bytecodes::_getstatic: 201 case Bytecodes::_putstatic: 202 case Bytecodes::_getfield: 203 case Bytecodes::_putfield: 204 case Bytecodes::_invokevirtual: 205 case Bytecodes::_invokespecial: 206 case Bytecodes::_invokestatic: 207 case Bytecodes::_invokeinterface: 208 case Bytecodes::_invokehandle: { 209 int cp_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1)); 210 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index); 211 break; 212 } 213 214 case Bytecodes::_invokedynamic: 215 int cp_index = Bytes::get_native_u4((address) reconstituted_code->byte_at_addr(bci + 1)); 216 Bytes::put_Java_u4((address) reconstituted_code->byte_at_addr(bci + 1), (u4) cp_index); 217 break; 218 } 219 220 // Not all ldc byte code are rewritten. 221 switch (raw_code) { 222 case Bytecodes::_fast_aldc: { 223 int cpc_index = reconstituted_code->byte_at(bci + 1) & 0xff; 224 int cp_index = method->constants()->object_to_cp_index(cpc_index); 225 assert(cp_index < method->constants()->length(), "sanity check"); 226 reconstituted_code->byte_at_put(bci + 1, (jbyte) cp_index); 227 break; 228 } 229 230 case Bytecodes::_fast_aldc_w: { 231 int cpc_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1)); 232 int cp_index = method->constants()->object_to_cp_index(cpc_index); 233 assert(cp_index < method->constants()->length(), "sanity check"); 234 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index); 235 break; 236 } 237 } 238 } 239 } 240 241 return (jbyteArray) JNIHandles::make_local(THREAD, reconstituted_code); 242 C2V_END 243 244 C2V_VMENTRY(jint, getExceptionTableLength, (JNIEnv *, jobject, jobject jvmci_method)) 245 ResourceMark rm; 246 methodHandle method = CompilerToVM::asMethod(jvmci_method); 247 return method->exception_table_length(); 248 C2V_END 249 250 C2V_VMENTRY(jlong, getExceptionTableStart, (JNIEnv *, jobject, jobject jvmci_method)) 251 ResourceMark rm; 252 methodHandle method = CompilerToVM::asMethod(jvmci_method); 253 if (method->exception_table_length() == 0) { 254 return 0L; 255 } 256 return (jlong) (address) method->exception_table_start(); 257 C2V_END 258 259 C2V_VMENTRY(jobject, getResolvedJavaMethodAtSlot, (JNIEnv *, jobject, jclass holder_handle, jint slot)) 260 oop java_class = JNIHandles::resolve(holder_handle); 261 Klass* holder = java_lang_Class::as_Klass(java_class); 262 methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot); 263 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL); 264 return JNIHandles::make_local(THREAD, result); 265 } 266 267 C2V_VMENTRY(jobject, getResolvedJavaMethod, (JNIEnv *, jobject, jobject base, jlong offset)) 268 methodHandle method; 269 oop base_object = JNIHandles::resolve(base); 270 if (base_object == NULL) { 271 method = *((Method**)(offset)); 272 } else if (base_object->is_a(SystemDictionary::MemberName_klass())) { 273 method = (Method*) (intptr_t) base_object->long_field(offset); 274 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) { 275 method = *((Method**)(HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object) + offset)); 276 } else { 277 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), 278 err_msg("Unexpected type: %s", base_object->klass()->external_name())); 279 } 280 assert (method.is_null() || method->is_method(), "invalid read"); 281 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL); 282 return JNIHandles::make_local(THREAD, result); 283 } 284 285 C2V_VMENTRY(jobject, getConstantPool, (JNIEnv *, jobject, jobject base, jlong offset)) 286 constantPoolHandle cp; 287 oop base_object = JNIHandles::resolve(base); 288 jlong base_address = 0; 289 if (base_object != NULL) { 290 if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) { 291 base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object); 292 } else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) { 293 base_address = HotSpotConstantPool::metaspaceConstantPool(base_object); 294 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) { 295 base_address = (jlong) CompilerToVM::asKlass(base_object); 296 } else { 297 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), 298 err_msg("Unexpected type: %s", base_object->klass()->external_name())); 299 } 300 } 301 cp = *((ConstantPool**) (intptr_t) (base_address + offset)); 302 if (!cp.is_null()) { 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 return NULL; 310 } 311 312 C2V_VMENTRY(jobject, getResolvedJavaType, (JNIEnv *, jobject, jobject base, jlong offset, jboolean compressed)) 313 KlassHandle klass; 314 oop base_object = JNIHandles::resolve(base); 315 jlong base_address = 0; 316 if (base_object != NULL && offset == oopDesc::klass_offset_in_bytes()) { 317 klass = base_object->klass(); 318 } else if (!compressed) { 319 if (base_object != NULL) { 320 if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) { 321 base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object); 322 } else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) { 323 base_address = HotSpotConstantPool::metaspaceConstantPool(base_object); 324 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) { 325 base_address = (jlong) CompilerToVM::asKlass(base_object); 326 } else if (base_object->is_a(SystemDictionary::Class_klass())) { 327 base_address = (jlong) (address) base_object; 328 } else { 329 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), 330 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false")); 331 } 332 } 333 klass = *((Klass**) (intptr_t) (base_address + offset)); 334 } else { 335 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), 336 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false")); 337 } 338 assert (klass.is_null() || klass->is_klass(), "invalid read"); 339 oop result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL); 340 return JNIHandles::make_local(THREAD, result); 341 } 342 343 C2V_VMENTRY(jobject, findUniqueConcreteMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method)) 344 ResourceMark rm; 345 methodHandle method = CompilerToVM::asMethod(jvmci_method); 346 KlassHandle holder = CompilerToVM::asKlass(jvmci_type); 347 if (holder->is_interface()) { 348 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", holder->external_name())); 349 } 350 351 methodHandle ucm; 352 { 353 MutexLocker locker(Compile_lock); 354 ucm = Dependencies::find_unique_concrete_method(holder(), method()); 355 } 356 oop result = CompilerToVM::get_jvmci_method(ucm, CHECK_NULL); 357 return JNIHandles::make_local(THREAD, result); 358 C2V_END 359 360 C2V_VMENTRY(jobject, getImplementor, (JNIEnv *, jobject, jobject jvmci_type)) 361 InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type); 362 oop implementor = CompilerToVM::get_jvmci_type(klass->implementor(), CHECK_NULL); 363 return JNIHandles::make_local(THREAD, implementor); 364 C2V_END 365 366 C2V_VMENTRY(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv *, jobject, jobject jvmci_method)) 367 methodHandle method = CompilerToVM::asMethod(jvmci_method); 368 return method->is_ignored_by_security_stack_walk(); 369 C2V_END 370 371 C2V_VMENTRY(jboolean, canInlineMethod,(JNIEnv *, jobject, jobject jvmci_method)) 372 methodHandle method = CompilerToVM::asMethod(jvmci_method); 373 return !method->is_not_compilable() && !CompilerOracle::should_not_inline(method) && !method->dont_inline(); 374 C2V_END 375 376 C2V_VMENTRY(jboolean, shouldInlineMethod,(JNIEnv *, jobject, jobject jvmci_method)) 377 methodHandle method = CompilerToVM::asMethod(jvmci_method); 378 return CompilerOracle::should_inline(method) || method->force_inline(); 379 C2V_END 380 381 C2V_VMENTRY(jobject, lookupType, (JNIEnv*, jobject, jstring jname, jclass accessing_class, jboolean resolve)) 382 ResourceMark rm; 383 Handle name = JNIHandles::resolve(jname); 384 Symbol* class_name = java_lang_String::as_symbol(name, CHECK_0); 385 if (java_lang_String::length(name()) <= 1) { 386 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string())); 387 } 388 389 Klass* resolved_klass = NULL; 390 Handle class_loader; 391 Handle protection_domain; 392 if (JNIHandles::resolve(accessing_class) == NULL) { 393 THROW_0(vmSymbols::java_lang_NullPointerException()); 394 } 395 Klass* accessing_klass = java_lang_Class::as_Klass(JNIHandles::resolve(accessing_class)); 396 class_loader = accessing_klass->class_loader(); 397 protection_domain = accessing_klass->protection_domain(); 398 399 if (resolve) { 400 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0); 401 } else { 402 if (class_name->byte_at(0) == 'L' && 403 class_name->byte_at(class_name->utf8_length()-1) == ';') { 404 // This is a name from a signature. Strip off the trimmings. 405 // Call recursive to keep scope of strippedsym. 406 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1, 407 class_name->utf8_length()-2, 408 CHECK_0); 409 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0); 410 } else if (FieldType::is_array(class_name)) { 411 FieldArrayInfo fd; 412 // dimension and object_key in FieldArrayInfo are assigned as a side-effect 413 // of this call 414 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0); 415 if (t == T_OBJECT) { 416 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(), 417 class_name->utf8_length()-2-fd.dimension(), 418 CHECK_0); 419 // naked oop "k" is OK here -- we assign back into it 420 resolved_klass = SystemDictionary::find(strippedsym, 421 class_loader, 422 protection_domain, 423 CHECK_0); 424 if (resolved_klass != NULL) { 425 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0); 426 } 427 } else { 428 resolved_klass = Universe::typeArrayKlassObj(t); 429 resolved_klass = TypeArrayKlass::cast(resolved_klass)->array_klass(fd.dimension(), CHECK_0); 430 } 431 } 432 } 433 Handle result = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL); 434 return JNIHandles::make_local(THREAD, result()); 435 C2V_END 436 437 C2V_VMENTRY(jobject, resolveConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 438 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 439 oop result = cp->resolve_constant_at(index, CHECK_NULL); 440 return JNIHandles::make_local(THREAD, result); 441 C2V_END 442 443 C2V_VMENTRY(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 444 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 445 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL); 446 return JNIHandles::make_local(THREAD, result); 447 C2V_END 448 449 C2V_VMENTRY(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 450 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 451 return cp->name_and_type_ref_index_at(index); 452 C2V_END 453 454 C2V_VMENTRY(jobject, lookupNameInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which)) 455 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 456 Handle sym = java_lang_String::create_from_symbol(cp->name_ref_at(which), CHECK_NULL); 457 return JNIHandles::make_local(THREAD, sym()); 458 C2V_END 459 460 C2V_VMENTRY(jobject, lookupSignatureInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which)) 461 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 462 Handle sym = java_lang_String::create_from_symbol(cp->signature_ref_at(which), CHECK_NULL); 463 return JNIHandles::make_local(THREAD, sym()); 464 C2V_END 465 466 C2V_VMENTRY(jint, lookupKlassRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 467 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 468 return cp->klass_ref_index_at(index); 469 C2V_END 470 471 C2V_VMENTRY(jobject, resolveTypeInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 472 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 473 Klass* resolved_klass = cp->klass_at(index, CHECK_NULL); 474 Handle klass = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL); 475 return JNIHandles::make_local(THREAD, klass()); 476 C2V_END 477 478 C2V_VMENTRY(jobject, lookupKlassInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode)) 479 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 480 KlassHandle loading_klass(cp->pool_holder()); 481 bool is_accessible = false; 482 KlassHandle klass = JVMCIEnv::get_klass_by_index(cp, index, is_accessible, loading_klass); 483 Symbol* symbol = NULL; 484 if (klass.is_null()) { 485 symbol = cp->klass_name_at(index); 486 } 487 Handle result; 488 if (!klass.is_null()) { 489 result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL); 490 } else { 491 result = java_lang_String::create_from_symbol(symbol, CHECK_NULL); 492 } 493 return JNIHandles::make_local(THREAD, result()); 494 C2V_END 495 496 C2V_VMENTRY(jobject, lookupAppendixInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 497 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 498 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index); 499 return JNIHandles::make_local(THREAD, appendix_oop); 500 C2V_END 501 502 C2V_VMENTRY(jobject, lookupMethodInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode)) 503 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 504 instanceKlassHandle pool_holder(cp->pool_holder()); 505 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF); 506 methodHandle method = JVMCIEnv::get_method_by_index(cp, index, bc, pool_holder); 507 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL); 508 return JNIHandles::make_local(THREAD, result); 509 C2V_END 510 511 C2V_VMENTRY(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 512 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 513 return cp->remap_instruction_operand_from_cache(index); 514 C2V_END 515 516 C2V_VMENTRY(jobject, resolveFieldInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode, jlongArray info_handle)) 517 ResourceMark rm; 518 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 519 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF); 520 fieldDescriptor fd; 521 LinkInfo link_info(cp, index, CHECK_0); 522 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0); 523 typeArrayOop info = (typeArrayOop) JNIHandles::resolve(info_handle); 524 assert(info != NULL && info->length() == 2, "must be"); 525 info->long_at_put(0, (jlong) fd.access_flags().as_int()); 526 info->long_at_put(1, (jlong) fd.offset()); 527 oop field_holder = CompilerToVM::get_jvmci_type(fd.field_holder(), CHECK_NULL); 528 return JNIHandles::make_local(THREAD, field_holder); 529 C2V_END 530 531 C2V_VMENTRY(jint, getVtableIndexForInterfaceMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method)) 532 ResourceMark rm; 533 Klass* klass = CompilerToVM::asKlass(jvmci_type); 534 Method* method = CompilerToVM::asMethod(jvmci_method); 535 if (klass->is_interface()) { 536 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", klass->external_name())); 537 } 538 if (!method->method_holder()->is_interface()) { 539 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())); 540 } 541 if (!InstanceKlass::cast(klass)->is_initialized()) { 542 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Class %s must be initialized", klass->external_name())); 543 } 544 return LinkResolver::vtable_index_of_interface_method(klass, method); 545 C2V_END 546 547 C2V_VMENTRY(jobject, resolveMethod, (JNIEnv *, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type)) 548 Klass* recv_klass = CompilerToVM::asKlass(receiver_jvmci_type); 549 Klass* caller_klass = CompilerToVM::asKlass(caller_jvmci_type); 550 Method* method = CompilerToVM::asMethod(jvmci_method); 551 552 if (recv_klass->is_array_klass() || (InstanceKlass::cast(recv_klass)->is_linked())) { 553 Klass* holder_klass = method->method_holder(); 554 Symbol* method_name = method->name(); 555 Symbol* method_signature = method->signature(); 556 557 if (holder_klass->is_interface()) { 558 // do link-time resolution to check all access rules. 559 LinkInfo link_info(holder_klass, method_name, method_signature, caller_klass); 560 methodHandle resolved_method = LinkResolver::linktime_resolve_interface_method_or_null(link_info); 561 if (resolved_method.is_null() || resolved_method->is_private()) { 562 return NULL; 563 } 564 assert(recv_klass->is_subtype_of(holder_klass), ""); 565 // do actual lookup 566 methodHandle sel_method = LinkResolver::lookup_instance_method_in_klasses(recv_klass, resolved_method->name(), resolved_method->signature(), CHECK_AND_CLEAR_0); 567 oop result = CompilerToVM::get_jvmci_method(sel_method, CHECK_NULL); 568 return JNIHandles::make_local(THREAD, result); 569 } else { 570 // do link-time resolution to check all access rules. 571 LinkInfo link_info(holder_klass, method_name, method_signature, caller_klass); 572 methodHandle resolved_method = LinkResolver::linktime_resolve_virtual_method_or_null(link_info); 573 if (resolved_method.is_null()) { 574 return NULL; 575 } 576 // do actual lookup (see LinkResolver::runtime_resolve_virtual_method) 577 int vtable_index = Method::invalid_vtable_index; 578 Method* selected_method; 579 580 if (resolved_method->method_holder()->is_interface()) { // miranda method 581 vtable_index = LinkResolver::vtable_index_of_interface_method(holder_klass, resolved_method); 582 assert(vtable_index >= 0 , "we should have valid vtable index at this point"); 583 584 InstanceKlass* inst = InstanceKlass::cast(recv_klass); 585 selected_method = inst->method_at_vtable(vtable_index); 586 } else { 587 // at this point we are sure that resolved_method is virtual and not 588 // a miranda method; therefore, it must have a valid vtable index. 589 assert(!resolved_method->has_itable_index(), ""); 590 vtable_index = resolved_method->vtable_index(); 591 // We could get a negative vtable_index for final methods, 592 // because as an optimization they are they are never put in the vtable, 593 // unless they override an existing method. 594 // If we do get a negative, it means the resolved method is the the selected 595 // method, and it can never be changed by an override. 596 if (vtable_index == Method::nonvirtual_vtable_index) { 597 assert(resolved_method->can_be_statically_bound(), "cannot override this method"); 598 selected_method = resolved_method(); 599 } else { 600 // recv_klass might be an arrayKlassOop but all vtables start at 601 // the same place. The cast is to avoid virtual call and assertion. 602 InstanceKlass* inst = (InstanceKlass*)recv_klass; 603 selected_method = inst->method_at_vtable(vtable_index); 604 } 605 } 606 oop result = CompilerToVM::get_jvmci_method(selected_method, CHECK_NULL); 607 return JNIHandles::make_local(THREAD, result); 608 } 609 } 610 return NULL; 611 C2V_END 612 613 C2V_VMENTRY(jboolean, hasFinalizableSubclass,(JNIEnv *, jobject, jobject jvmci_type)) 614 Klass* klass = CompilerToVM::asKlass(jvmci_type); 615 assert(klass != NULL, "method must not be called for primitive types"); 616 return Dependencies::find_finalizable_subclass(klass) != NULL; 617 C2V_END 618 619 C2V_VMENTRY(jobject, getClassInitializer, (JNIEnv *, jobject, jobject jvmci_type)) 620 InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type); 621 oop result = CompilerToVM::get_jvmci_method(klass->class_initializer(), CHECK_NULL); 622 return JNIHandles::make_local(THREAD, result); 623 C2V_END 624 625 C2V_VMENTRY(jlong, getMaxCallTargetOffset, (JNIEnv*, jobject, jlong addr)) 626 address target_addr = (address) addr; 627 if (target_addr != 0x0) { 628 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int)); 629 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int)); 630 return MAX2(ABS(off_low), ABS(off_high)); 631 } 632 return -1; 633 C2V_END 634 635 C2V_VMENTRY(void, doNotInlineOrCompile,(JNIEnv *, jobject, jobject jvmci_method)) 636 methodHandle method = CompilerToVM::asMethod(jvmci_method); 637 method->set_not_c1_compilable(); 638 method->set_not_c2_compilable(); 639 method->set_dont_inline(true); 640 C2V_END 641 642 C2V_VMENTRY(jint, installCode, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject installed_code, jobject speculation_log)) 643 ResourceMark rm; 644 HandleMark hm; 645 Handle target_handle = JNIHandles::resolve(target); 646 Handle compiled_code_handle = JNIHandles::resolve(compiled_code); 647 CodeBlob* cb = NULL; 648 Handle installed_code_handle = JNIHandles::resolve(installed_code); 649 Handle speculation_log_handle = JNIHandles::resolve(speculation_log); 650 651 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK_JNI_ERR); 652 653 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer()); 654 CodeInstaller installer; 655 JVMCIEnv::CodeInstallResult result = installer.install(compiler, target_handle, compiled_code_handle, cb, installed_code_handle, speculation_log_handle); 656 657 if (PrintCodeCacheOnCompilation) { 658 stringStream s; 659 // Dump code cache into a buffer before locking the tty, 660 { 661 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); 662 CodeCache::print_summary(&s, false); 663 } 664 ttyLocker ttyl; 665 tty->print_raw_cr(s.as_string()); 666 } 667 668 if (result != JVMCIEnv::ok) { 669 assert(cb == NULL, "should be"); 670 } else { 671 if (!installed_code_handle.is_null()) { 672 assert(installed_code_handle->is_a(InstalledCode::klass()), "wrong type"); 673 InstalledCode::set_address(installed_code_handle, (jlong) cb); 674 InstalledCode::set_version(installed_code_handle, InstalledCode::version(installed_code_handle) + 1); 675 if (installed_code_handle->is_a(HotSpotInstalledCode::klass())) { 676 HotSpotInstalledCode::set_size(installed_code_handle, cb->size()); 677 HotSpotInstalledCode::set_codeStart(installed_code_handle, (jlong) cb->code_begin()); 678 HotSpotInstalledCode::set_codeSize(installed_code_handle, cb->code_size()); 679 } 680 nmethod* nm = cb->as_nmethod_or_null(); 681 if (nm != NULL && installed_code_handle->is_scavengable()) { 682 assert(nm->detect_scavenge_root_oops(), "nm should be scavengable if installed_code is scavengable"); 683 if (!UseG1GC) { 684 assert(nm->on_scavenge_root_list(), "nm should be on scavengable list"); 685 } 686 } 687 } 688 } 689 return result; 690 C2V_END 691 692 C2V_VMENTRY(jint, getMetadata, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject metadata)) 693 ResourceMark rm; 694 HandleMark hm; 695 696 Handle target_handle = JNIHandles::resolve(target); 697 Handle compiled_code_handle = JNIHandles::resolve(compiled_code); 698 Handle metadata_handle = JNIHandles::resolve(metadata); 699 700 HotSpotOopMap::klass()->initialize(thread); 701 702 CodeMetadata code_metadata; 703 CodeBlob *cb = NULL; 704 CodeInstaller installer; 705 706 JVMCIEnv::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata); //cb, pc_descs, nr_pc_descs, scopes_descs, scopes_size, reloc_buffer); 707 if (result != JVMCIEnv::ok) { 708 return result; 709 } 710 711 if (code_metadata.get_nr_pc_desc() > 0) { 712 typeArrayHandle pcArrayOop = oopFactory::new_byteArray(sizeof(PcDesc) * code_metadata.get_nr_pc_desc(), CHECK_(JVMCIEnv::cache_full)); 713 memcpy(pcArrayOop->byte_at_addr(0), code_metadata.get_pc_desc(), sizeof(PcDesc) * code_metadata.get_nr_pc_desc()); 714 HotSpotMetaData::set_pcDescBytes(metadata_handle, pcArrayOop()); 715 } 716 717 if (code_metadata.get_scopes_size() > 0) { 718 typeArrayHandle scopesArrayOop = oopFactory::new_byteArray(code_metadata.get_scopes_size(), CHECK_(JVMCIEnv::cache_full)); 719 memcpy(scopesArrayOop->byte_at_addr(0), code_metadata.get_scopes_desc(), code_metadata.get_scopes_size()); 720 HotSpotMetaData::set_scopesDescBytes(metadata_handle, scopesArrayOop()); 721 } 722 723 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer(); 724 typeArrayHandle relocArrayOop = oopFactory::new_byteArray((int) reloc_buffer->size(), CHECK_(JVMCIEnv::cache_full)); 725 if (reloc_buffer->size() > 0) { 726 memcpy(relocArrayOop->byte_at_addr(0), reloc_buffer->begin(), reloc_buffer->size()); 727 } 728 HotSpotMetaData::set_relocBytes(metadata_handle, relocArrayOop()); 729 730 const OopMapSet* oopMapSet = installer.oopMapSet(); 731 { 732 ResourceMark mark; 733 ImmutableOopMapBuilder builder(oopMapSet); 734 int oopmap_size = builder.heap_size(); 735 typeArrayHandle oopMapArrayHandle = oopFactory::new_byteArray(oopmap_size, CHECK_(JVMCIEnv::cache_full)); 736 builder.generate_into((address) oopMapArrayHandle->byte_at_addr(0)); 737 HotSpotMetaData::set_oopMaps(metadata_handle, oopMapArrayHandle()); 738 } 739 740 HotSpotMetaData::set_metadata(metadata_handle, NULL); 741 742 ExceptionHandlerTable* handler = code_metadata.get_exception_table(); 743 int table_size = handler->size_in_bytes(); 744 typeArrayHandle exceptionArrayOop = oopFactory::new_byteArray(table_size, CHECK_(JVMCIEnv::cache_full)); 745 746 if (table_size > 0) { 747 handler->copy_bytes_to((address) exceptionArrayOop->byte_at_addr(0)); 748 } 749 HotSpotMetaData::set_exceptionBytes(metadata_handle, exceptionArrayOop()); 750 751 return result; 752 C2V_END 753 754 C2V_VMENTRY(void, notifyCompilationStatistics, (JNIEnv *jniEnv, jobject, jint id, jobject hotspot_method, jboolean osr, jint processedBytecodes, jlong time, jlong timeUnitsPerSecond, jobject installed_code)) 755 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK); 756 CompilerStatistics* stats = compiler->stats(); 757 758 elapsedTimer timer = elapsedTimer(time, timeUnitsPerSecond); 759 if (osr) { 760 stats->_osr.update(timer, processedBytecodes); 761 } else { 762 stats->_standard.update(timer, processedBytecodes); 763 } 764 Handle installed_code_handle = JNIHandles::resolve(installed_code); 765 if (installed_code_handle->is_a(HotSpotInstalledCode::klass())) { 766 stats->_nmethods_size += HotSpotInstalledCode::size(installed_code_handle); 767 stats->_nmethods_code_size += HotSpotInstalledCode::codeSize(installed_code_handle); 768 } 769 770 if (CITimeEach) { 771 methodHandle method = CompilerToVM::asMethod(hotspot_method); 772 float bytes_per_sec = 1.0 * processedBytecodes / timer.seconds(); 773 tty->print_cr("%3d seconds: %f bytes/sec: %f (bytes %d)", 774 id, timer.seconds(), bytes_per_sec, processedBytecodes); 775 } 776 C2V_END 777 778 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv *jniEnv, jobject)) 779 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK); 780 CompilerStatistics* stats = compiler->stats(); 781 stats->_standard.reset(); 782 stats->_osr.reset(); 783 C2V_END 784 785 C2V_VMENTRY(jobject, disassembleCodeBlob, (JNIEnv *jniEnv, jobject, jlong codeBlob)) 786 ResourceMark rm; 787 HandleMark hm; 788 789 CodeBlob* cb = (CodeBlob*) (address) codeBlob; 790 if (cb == NULL) { 791 return NULL; 792 } 793 794 // We don't want the stringStream buffer to resize during disassembly as it 795 // uses scoped resource memory. If a nested function called during disassembly uses 796 // a ResourceMark and the buffer expands within the scope of the mark, 797 // the buffer becomes garbage when that scope is exited. Experience shows that 798 // the disassembled code is typically about 10x the code size so a fixed buffer 799 // sized to 20x code size plus a fixed amount for header info should be sufficient. 800 int bufferSize = cb->code_size() * 20 + 1024; 801 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize); 802 stringStream st(buffer, bufferSize); 803 if (cb->is_nmethod()) { 804 nmethod* nm = (nmethod*) cb; 805 if (!nm->is_alive()) { 806 return NULL; 807 } 808 Disassembler::decode(nm, &st); 809 } else { 810 Disassembler::decode(cb, &st); 811 } 812 if (st.size() <= 0) { 813 return NULL; 814 } 815 816 Handle result = java_lang_String::create_from_platform_dependent_str(st.as_string(), CHECK_NULL); 817 return JNIHandles::make_local(THREAD, result()); 818 C2V_END 819 820 C2V_VMENTRY(jobject, getStackTraceElement, (JNIEnv*, jobject, jobject jvmci_method, int bci)) 821 ResourceMark rm; 822 HandleMark hm; 823 824 methodHandle method = CompilerToVM::asMethod(jvmci_method); 825 oop element = java_lang_StackTraceElement::create(method, bci, CHECK_NULL); 826 return JNIHandles::make_local(THREAD, element); 827 C2V_END 828 829 C2V_VMENTRY(jobject, executeInstalledCode, (JNIEnv*, jobject, jobject args, jobject hotspotInstalledCode)) 830 ResourceMark rm; 831 HandleMark hm; 832 833 jlong nmethodValue = InstalledCode::address(hotspotInstalledCode); 834 if (nmethodValue == 0L) { 835 THROW_NULL(vmSymbols::jdk_vm_ci_code_InvalidInstalledCodeException()); 836 } 837 nmethod* nm = (nmethod*) (address) nmethodValue; 838 methodHandle mh = nm->method(); 839 Symbol* signature = mh->signature(); 840 JavaCallArguments jca(mh->size_of_parameters()); 841 842 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static()); 843 JavaValue result(jap.get_ret_type()); 844 jca.set_alternative_target(nm); 845 JavaCalls::call(&result, mh, &jca, CHECK_NULL); 846 847 if (jap.get_ret_type() == T_VOID) { 848 return NULL; 849 } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) { 850 return JNIHandles::make_local(THREAD, (oop) result.get_jobject()); 851 } else { 852 jvalue *value = (jvalue *) result.get_value_addr(); 853 // Narrow the value down if required (Important on big endian machines) 854 switch (jap.get_ret_type()) { 855 case T_BOOLEAN: 856 value->z = (jboolean) value->i; 857 break; 858 case T_BYTE: 859 value->b = (jbyte) value->i; 860 break; 861 case T_CHAR: 862 value->c = (jchar) value->i; 863 break; 864 case T_SHORT: 865 value->s = (jshort) value->i; 866 break; 867 } 868 oop o = java_lang_boxing_object::create(jap.get_ret_type(), value, CHECK_NULL); 869 return JNIHandles::make_local(THREAD, o); 870 } 871 C2V_END 872 873 C2V_VMENTRY(jlongArray, getLineNumberTable, (JNIEnv *, jobject, jobject jvmci_method)) 874 Method* method = CompilerToVM::asMethod(jvmci_method); 875 if (!method->has_linenumber_table()) { 876 return NULL; 877 } 878 u2 num_entries = 0; 879 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table()); 880 while (streamForSize.read_pair()) { 881 num_entries++; 882 } 883 884 CompressedLineNumberReadStream stream(method->compressed_linenumber_table()); 885 typeArrayOop result = oopFactory::new_longArray(2 * num_entries, CHECK_NULL); 886 887 int i = 0; 888 jlong value; 889 while (stream.read_pair()) { 890 value = ((long) stream.bci()); 891 result->long_at_put(i, value); 892 value = ((long) stream.line()); 893 result->long_at_put(i + 1, value); 894 i += 2; 895 } 896 897 return (jlongArray) JNIHandles::make_local(THREAD, result); 898 C2V_END 899 900 C2V_VMENTRY(jlong, getLocalVariableTableStart, (JNIEnv *, jobject, jobject jvmci_method)) 901 ResourceMark rm; 902 Method* method = CompilerToVM::asMethod(jvmci_method); 903 if (!method->has_localvariable_table()) { 904 return 0; 905 } 906 return (jlong) (address) method->localvariable_table_start(); 907 C2V_END 908 909 C2V_VMENTRY(jint, getLocalVariableTableLength, (JNIEnv *, jobject, jobject jvmci_method)) 910 ResourceMark rm; 911 Method* method = CompilerToVM::asMethod(jvmci_method); 912 return method->localvariable_table_length(); 913 C2V_END 914 915 C2V_VMENTRY(void, reprofile, (JNIEnv*, jobject, jobject jvmci_method)) 916 Method* method = CompilerToVM::asMethod(jvmci_method); 917 MethodCounters* mcs = method->method_counters(); 918 if (mcs != NULL) { 919 mcs->clear_counters(); 920 } 921 NOT_PRODUCT(method->set_compiled_invocation_count(0)); 922 923 nmethod* code = method->code(); 924 if (code != NULL) { 925 code->make_not_entrant(); 926 } 927 928 MethodData* method_data = method->method_data(); 929 if (method_data == NULL) { 930 ClassLoaderData* loader_data = method->method_holder()->class_loader_data(); 931 method_data = MethodData::allocate(loader_data, method, CHECK); 932 method->set_method_data(method_data); 933 } else { 934 method_data->initialize(); 935 } 936 C2V_END 937 938 939 C2V_VMENTRY(void, invalidateInstalledCode, (JNIEnv*, jobject, jobject hotspotInstalledCode)) 940 jlong nativeMethod = InstalledCode::address(hotspotInstalledCode); 941 nmethod* m = (nmethod*)nativeMethod; 942 if (m != NULL && !m->is_not_entrant()) { 943 m->mark_for_deoptimization(); 944 VM_Deoptimize op; 945 VMThread::execute(&op); 946 } 947 InstalledCode::set_address(hotspotInstalledCode, 0); 948 C2V_END 949 950 C2V_VMENTRY(jobject, readUncompressedOop, (JNIEnv*, jobject, jlong addr)) 951 oop ret = oopDesc::load_decode_heap_oop((oop*)(address)addr); 952 return JNIHandles::make_local(THREAD, ret); 953 C2V_END 954 955 C2V_VMENTRY(jlongArray, collectCounters, (JNIEnv*, jobject)) 956 typeArrayOop arrayOop = oopFactory::new_longArray(JVMCICounterSize, CHECK_NULL); 957 JavaThread::collect_counters(arrayOop); 958 return (jlongArray) JNIHandles::make_local(THREAD, arrayOop); 959 C2V_END 960 961 C2V_VMENTRY(int, allocateCompileId, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci)) 962 HandleMark hm; 963 ResourceMark rm; 964 if (JNIHandles::resolve(jvmci_method) == NULL) { 965 THROW_0(vmSymbols::java_lang_NullPointerException()); 966 } 967 Method* method = CompilerToVM::asMethod(jvmci_method); 968 if (entry_bci >= method->code_size() || entry_bci < -1) { 969 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Unexpected bci %d", entry_bci)); 970 } 971 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci); 972 C2V_END 973 974 975 C2V_VMENTRY(jboolean, isMature, (JNIEnv*, jobject, jlong metaspace_method_data)) 976 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data); 977 return mdo != NULL && mdo->is_mature(); 978 C2V_END 979 980 C2V_VMENTRY(jboolean, hasCompiledCodeForOSR, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci, int comp_level)) 981 Method* method = CompilerToVM::asMethod(jvmci_method); 982 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL; 983 C2V_END 984 985 C2V_VMENTRY(jobject, getSymbol, (JNIEnv*, jobject, jlong symbol)) 986 Handle sym = java_lang_String::create_from_symbol((Symbol*)(address)symbol, CHECK_NULL); 987 return JNIHandles::make_local(THREAD, sym()); 988 C2V_END 989 990 bool matches(jobjectArray methods, Method* method) { 991 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods); 992 993 for (int i = 0; i < methods_oop->length(); i++) { 994 if (CompilerToVM::asMethod(methods_oop->obj_at(i)) == method) { 995 return true; 996 } 997 } 998 return false; 999 } 1000 1001 C2V_VMENTRY(jobject, getNextStackFrame, (JNIEnv*, jobject compilerToVM, jobject hs_frame, jobjectArray methods, jint initialSkip)) 1002 ResourceMark rm; 1003 1004 if (!thread->has_last_Java_frame()) return NULL; 1005 Handle result = HotSpotStackFrameReference::klass()->allocate_instance(thread); 1006 HotSpotStackFrameReference::klass()->initialize(thread); 1007 1008 StackFrameStream fst(thread); 1009 if (hs_frame != NULL) { 1010 // look for the correct stack frame if one is given 1011 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame); 1012 while (fst.current()->sp() != stack_pointer && !fst.is_done()) { 1013 fst.next(); 1014 } 1015 if (fst.current()->sp() != stack_pointer) { 1016 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found") 1017 } 1018 } 1019 1020 int frame_number = 0; 1021 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); 1022 if (hs_frame != NULL) { 1023 // look for the correct vframe within the stack frame if one is given 1024 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame); 1025 while (frame_number < last_frame_number) { 1026 if (vf->is_top()) { 1027 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "invalid frame number") 1028 } 1029 vf = vf->sender(); 1030 frame_number ++; 1031 } 1032 // move one frame forward 1033 if (vf->is_top()) { 1034 if (fst.is_done()) { 1035 return NULL; 1036 } 1037 fst.next(); 1038 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); 1039 frame_number = 0; 1040 } else { 1041 vf = vf->sender(); 1042 frame_number++; 1043 } 1044 } 1045 1046 while (true) { 1047 // look for the given method 1048 while (true) { 1049 StackValueCollection* locals = NULL; 1050 if (vf->is_compiled_frame()) { 1051 // compiled method frame 1052 compiledVFrame* cvf = compiledVFrame::cast(vf); 1053 if (methods == NULL || matches(methods, cvf->method())) { 1054 if (initialSkip > 0) { 1055 initialSkip --; 1056 } else { 1057 ScopeDesc* scope = cvf->scope(); 1058 // native wrapper do not have a scope 1059 if (scope != NULL && scope->objects() != NULL) { 1060 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), scope->objects(), THREAD); 1061 Deoptimization::reassign_fields(fst.current(), fst.register_map(), scope->objects(), realloc_failures, false); 1062 1063 GrowableArray<ScopeValue*>* local_values = scope->locals(); 1064 typeArrayHandle array = oopFactory::new_boolArray(local_values->length(), thread); 1065 for (int i = 0; i < local_values->length(); i++) { 1066 ScopeValue* value = local_values->at(i); 1067 if (value->is_object()) { 1068 array->bool_at_put(i, true); 1069 } 1070 } 1071 HotSpotStackFrameReference::set_localIsVirtual(result, array()); 1072 } else { 1073 HotSpotStackFrameReference::set_localIsVirtual(result, NULL); 1074 } 1075 1076 locals = cvf->locals(); 1077 HotSpotStackFrameReference::set_bci(result, cvf->bci()); 1078 oop method = CompilerToVM::get_jvmci_method(cvf->method(), CHECK_NULL); 1079 HotSpotStackFrameReference::set_method(result, method); 1080 } 1081 } 1082 } else if (vf->is_interpreted_frame()) { 1083 // interpreted method frame 1084 interpretedVFrame* ivf = interpretedVFrame::cast(vf); 1085 if (methods == NULL || matches(methods, ivf->method())) { 1086 if (initialSkip > 0) { 1087 initialSkip --; 1088 } else { 1089 locals = ivf->locals(); 1090 HotSpotStackFrameReference::set_bci(result, ivf->bci()); 1091 oop method = CompilerToVM::get_jvmci_method(ivf->method(), CHECK_NULL); 1092 HotSpotStackFrameReference::set_method(result, method); 1093 HotSpotStackFrameReference::set_localIsVirtual(result, NULL); 1094 } 1095 } 1096 } 1097 1098 // locals != NULL means that we found a matching frame and result is already partially initialized 1099 if (locals != NULL) { 1100 HotSpotStackFrameReference::set_compilerToVM(result, JNIHandles::resolve(compilerToVM)); 1101 HotSpotStackFrameReference::set_stackPointer(result, (jlong) fst.current()->sp()); 1102 HotSpotStackFrameReference::set_frameNumber(result, frame_number); 1103 1104 // initialize the locals array 1105 objArrayHandle array = oopFactory::new_objectArray(locals->size(), thread); 1106 for (int i = 0; i < locals->size(); i++) { 1107 StackValue* var = locals->at(i); 1108 if (var->type() == T_OBJECT) { 1109 array->obj_at_put(i, locals->at(i)->get_obj()()); 1110 } 1111 } 1112 HotSpotStackFrameReference::set_locals(result, array()); 1113 1114 return JNIHandles::make_local(thread, result()); 1115 } 1116 1117 if (vf->is_top()) { 1118 break; 1119 } 1120 frame_number++; 1121 vf = vf->sender(); 1122 } // end of vframe loop 1123 1124 if (fst.is_done()) { 1125 break; 1126 } 1127 fst.next(); 1128 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); 1129 frame_number = 0; 1130 } // end of frame loop 1131 1132 // the end was reached without finding a matching method 1133 return NULL; 1134 C2V_END 1135 1136 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 1137 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 1138 CallInfo callInfo; 1139 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK); 1140 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index); 1141 cp_cache_entry->set_dynamic_call(cp, callInfo); 1142 C2V_END 1143 1144 C2V_VMENTRY(void, resolveInvokeHandleInPool, (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::_invokehandle, CHECK); 1148 ConstantPoolCacheEntry* cp_cache_entry = cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index)); 1149 cp_cache_entry->set_method_handle(cp, callInfo); 1150 C2V_END 1151 1152 C2V_VMENTRY(jboolean, shouldDebugNonSafepoints, (JNIEnv*, jobject)) 1153 //see compute_recording_non_safepoints in debugInfroRec.cpp 1154 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) { 1155 return true; 1156 } 1157 return DebugNonSafepoints; 1158 C2V_END 1159 1160 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate); 1161 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv*, jobject, jobject hs_frame, bool invalidate)) 1162 ResourceMark rm; 1163 1164 if (hs_frame == NULL) { 1165 THROW_MSG(vmSymbols::java_lang_NullPointerException(), "stack frame is null") 1166 } 1167 1168 HotSpotStackFrameReference::klass()->initialize(thread); 1169 1170 // look for the given stack frame 1171 StackFrameStream fst(thread); 1172 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame); 1173 while (fst.current()->sp() != stack_pointer && !fst.is_done()) { 1174 fst.next(); 1175 } 1176 if (fst.current()->sp() != stack_pointer) { 1177 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found") 1178 } 1179 1180 if (invalidate) { 1181 if (!fst.current()->is_compiled_frame()) { 1182 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected") 1183 } 1184 assert(fst.current()->cb()->is_nmethod(), "nmethod expected"); 1185 ((nmethod*) fst.current()->cb())->make_not_entrant(); 1186 } 1187 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none); 1188 // look for the frame again as it has been updated by deopt (pc, deopt state...) 1189 StackFrameStream fstAfterDeopt(thread); 1190 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) { 1191 fstAfterDeopt.next(); 1192 } 1193 if (fstAfterDeopt.current()->sp() != stack_pointer) { 1194 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt") 1195 } 1196 1197 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread); 1198 if (!vf->is_compiled_frame()) { 1199 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected") 1200 } 1201 1202 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10); 1203 while (true) { 1204 assert(vf->is_compiled_frame(), "Wrong frame type"); 1205 virtualFrames->push(compiledVFrame::cast(vf)); 1206 if (vf->is_top()) { 1207 break; 1208 } 1209 vf = vf->sender(); 1210 } 1211 1212 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame); 1213 if (last_frame_number >= virtualFrames->length()) { 1214 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "invalid frame number") 1215 } 1216 1217 // Reallocate the non-escaping objects and restore their fields. 1218 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope"); 1219 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects(); 1220 1221 if (objects == NULL) { 1222 // no objects to materialize 1223 return; 1224 } 1225 1226 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), objects, THREAD); 1227 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false); 1228 1229 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) { 1230 compiledVFrame* cvf = virtualFrames->at(frame_index); 1231 1232 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals(); 1233 StackValueCollection* locals = cvf->locals(); 1234 1235 if (locals != NULL) { 1236 for (int i2 = 0; i2 < locals->size(); i2++) { 1237 StackValue* var = locals->at(i2); 1238 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) { 1239 jvalue val; 1240 val.l = (jobject) locals->at(i2)->get_obj()(); 1241 cvf->update_local(T_OBJECT, i2, val); 1242 } 1243 } 1244 } 1245 } 1246 1247 // all locals are materialized by now 1248 HotSpotStackFrameReference::set_localIsVirtual(hs_frame, NULL); 1249 1250 // update the locals array 1251 objArrayHandle array = HotSpotStackFrameReference::locals(hs_frame); 1252 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals(); 1253 for (int i = 0; i < locals->size(); i++) { 1254 StackValue* var = locals->at(i); 1255 if (var->type() == T_OBJECT) { 1256 array->obj_at_put(i, locals->at(i)->get_obj()()); 1257 } 1258 } 1259 C2V_END 1260 1261 C2V_VMENTRY(void, writeDebugOutput, (JNIEnv*, jobject, jbyteArray bytes, jint offset, jint length)) 1262 if (bytes == NULL) { 1263 THROW(vmSymbols::java_lang_NullPointerException()); 1264 } 1265 typeArrayOop array = (typeArrayOop) JNIHandles::resolve(bytes); 1266 1267 // Check if offset and length are non negative. 1268 if (offset < 0 || length < 0) { 1269 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); 1270 } 1271 // Check if the range is valid. 1272 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array->length())) { 1273 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); 1274 } 1275 while (length > 0) { 1276 jbyte* start = array->byte_at_addr(offset); 1277 tty->write((char*) start, MIN2(length, O_BUFLEN)); 1278 length -= O_BUFLEN; 1279 offset += O_BUFLEN; 1280 } 1281 C2V_END 1282 1283 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv*, jobject)) 1284 tty->flush(); 1285 C2V_END 1286 1287 1288 #define CC (char*) /*cast a literal from (const char*)*/ 1289 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f)) 1290 1291 #define SPECULATION_LOG "Ljdk/vm/ci/meta/SpeculationLog;" 1292 #define STRING "Ljava/lang/String;" 1293 #define OBJECT "Ljava/lang/Object;" 1294 #define CLASS "Ljava/lang/Class;" 1295 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;" 1296 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;" 1297 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;" 1298 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;" 1299 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;" 1300 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;" 1301 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;" 1302 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;" 1303 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;" 1304 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;" 1305 #define METASPACE_METHOD_DATA "J" 1306 1307 JNINativeMethod CompilerToVM::methods[] = { 1308 {CC"getBytecode", CC"("HS_RESOLVED_METHOD")[B", FN_PTR(getBytecode)}, 1309 {CC"getExceptionTableStart", CC"("HS_RESOLVED_METHOD")J", FN_PTR(getExceptionTableStart)}, 1310 {CC"getExceptionTableLength", CC"("HS_RESOLVED_METHOD")I", FN_PTR(getExceptionTableLength)}, 1311 {CC"findUniqueConcreteMethod", CC"("HS_RESOLVED_KLASS HS_RESOLVED_METHOD")"HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)}, 1312 {CC"getImplementor", CC"("HS_RESOLVED_KLASS")"HS_RESOLVED_KLASS, FN_PTR(getImplementor)}, 1313 {CC"getStackTraceElement", CC"("HS_RESOLVED_METHOD"I)"STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)}, 1314 {CC"methodIsIgnoredBySecurityStackWalk", CC"("HS_RESOLVED_METHOD")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)}, 1315 {CC"doNotInlineOrCompile", CC"("HS_RESOLVED_METHOD")V", FN_PTR(doNotInlineOrCompile)}, 1316 {CC"canInlineMethod", CC"("HS_RESOLVED_METHOD")Z", FN_PTR(canInlineMethod)}, 1317 {CC"shouldInlineMethod", CC"("HS_RESOLVED_METHOD")Z", FN_PTR(shouldInlineMethod)}, 1318 {CC"lookupType", CC"("STRING CLASS"Z)"HS_RESOLVED_KLASS, FN_PTR(lookupType)}, 1319 {CC"lookupNameInPool", CC"("HS_CONSTANT_POOL"I)"STRING, FN_PTR(lookupNameInPool)}, 1320 {CC"lookupNameAndTypeRefIndexInPool", CC"("HS_CONSTANT_POOL"I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)}, 1321 {CC"lookupSignatureInPool", CC"("HS_CONSTANT_POOL"I)"STRING, FN_PTR(lookupSignatureInPool)}, 1322 {CC"lookupKlassRefIndexInPool", CC"("HS_CONSTANT_POOL"I)I", FN_PTR(lookupKlassRefIndexInPool)}, 1323 {CC"lookupKlassInPool", CC"("HS_CONSTANT_POOL"I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)}, 1324 {CC"lookupAppendixInPool", CC"("HS_CONSTANT_POOL"I)"OBJECT, FN_PTR(lookupAppendixInPool)}, 1325 {CC"lookupMethodInPool", CC"("HS_CONSTANT_POOL"IB)"HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)}, 1326 {CC"constantPoolRemapInstructionOperandFromCache", CC"("HS_CONSTANT_POOL"I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)}, 1327 {CC"resolveConstantInPool", CC"("HS_CONSTANT_POOL"I)"OBJECT, FN_PTR(resolveConstantInPool)}, 1328 {CC"resolvePossiblyCachedConstantInPool", CC"("HS_CONSTANT_POOL"I)"OBJECT, FN_PTR(resolvePossiblyCachedConstantInPool)}, 1329 {CC"resolveTypeInPool", CC"("HS_CONSTANT_POOL"I)"HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)}, 1330 {CC"resolveFieldInPool", CC"("HS_CONSTANT_POOL"IB[J)"HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)}, 1331 {CC"resolveInvokeDynamicInPool", CC"("HS_CONSTANT_POOL"I)V", FN_PTR(resolveInvokeDynamicInPool)}, 1332 {CC"resolveInvokeHandleInPool", CC"("HS_CONSTANT_POOL"I)V", FN_PTR(resolveInvokeHandleInPool)}, 1333 {CC"resolveMethod", CC"("HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS")"HS_RESOLVED_METHOD, FN_PTR(resolveMethod)}, 1334 {CC"getVtableIndexForInterfaceMethod", CC"("HS_RESOLVED_KLASS HS_RESOLVED_METHOD")I", FN_PTR(getVtableIndexForInterfaceMethod)}, 1335 {CC"getClassInitializer", CC"("HS_RESOLVED_KLASS")"HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)}, 1336 {CC"hasFinalizableSubclass", CC"("HS_RESOLVED_KLASS")Z", FN_PTR(hasFinalizableSubclass)}, 1337 {CC"getMaxCallTargetOffset", CC"(J)J", FN_PTR(getMaxCallTargetOffset)}, 1338 {CC"getResolvedJavaMethodAtSlot", CC"("CLASS"I)"HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethodAtSlot)}, 1339 {CC"getResolvedJavaMethod", CC"(Ljava/lang/Object;J)"HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)}, 1340 {CC"getConstantPool", CC"(Ljava/lang/Object;J)"HS_CONSTANT_POOL, FN_PTR(getConstantPool)}, 1341 {CC"getResolvedJavaType", CC"(Ljava/lang/Object;JZ)"HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType)}, 1342 {CC"initializeConfiguration", CC"()J", FN_PTR(initializeConfiguration)}, 1343 {CC"installCode", CC"("TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE SPECULATION_LOG")I", FN_PTR(installCode)}, 1344 {CC"getMetadata", CC"("TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA")I", FN_PTR(getMetadata)}, 1345 {CC"notifyCompilationStatistics", CC"(I"HS_RESOLVED_METHOD"ZIJJ"INSTALLED_CODE")V", FN_PTR(notifyCompilationStatistics)}, 1346 {CC"resetCompilationStatistics", CC"()V", FN_PTR(resetCompilationStatistics)}, 1347 {CC"disassembleCodeBlob", CC"(J)"STRING, FN_PTR(disassembleCodeBlob)}, 1348 {CC"executeInstalledCode", CC"(["OBJECT INSTALLED_CODE")"OBJECT, FN_PTR(executeInstalledCode)}, 1349 {CC"getLineNumberTable", CC"("HS_RESOLVED_METHOD")[J", FN_PTR(getLineNumberTable)}, 1350 {CC"getLocalVariableTableStart", CC"("HS_RESOLVED_METHOD")J", FN_PTR(getLocalVariableTableStart)}, 1351 {CC"getLocalVariableTableLength", CC"("HS_RESOLVED_METHOD")I", FN_PTR(getLocalVariableTableLength)}, 1352 {CC"reprofile", CC"("HS_RESOLVED_METHOD")V", FN_PTR(reprofile)}, 1353 {CC"invalidateInstalledCode", CC"("INSTALLED_CODE")V", FN_PTR(invalidateInstalledCode)}, 1354 {CC"readUncompressedOop", CC"(J)"OBJECT, FN_PTR(readUncompressedOop)}, 1355 {CC"collectCounters", CC"()[J", FN_PTR(collectCounters)}, 1356 {CC"allocateCompileId", CC"("HS_RESOLVED_METHOD"I)I", FN_PTR(allocateCompileId)}, 1357 {CC"isMature", CC"("METASPACE_METHOD_DATA")Z", FN_PTR(isMature)}, 1358 {CC"hasCompiledCodeForOSR", CC"("HS_RESOLVED_METHOD"II)Z", FN_PTR(hasCompiledCodeForOSR)}, 1359 {CC"getSymbol", CC"(J)"STRING, FN_PTR(getSymbol)}, 1360 {CC"getNextStackFrame", CC"("HS_STACK_FRAME_REF "["HS_RESOLVED_METHOD"I)"HS_STACK_FRAME_REF, FN_PTR(getNextStackFrame)}, 1361 {CC"materializeVirtualObjects", CC"("HS_STACK_FRAME_REF"Z)V", FN_PTR(materializeVirtualObjects)}, 1362 {CC"shouldDebugNonSafepoints", CC"()Z", FN_PTR(shouldDebugNonSafepoints)}, 1363 {CC"writeDebugOutput", CC"([BII)V", FN_PTR(writeDebugOutput)}, 1364 {CC"flushDebugOutput", CC"()V", FN_PTR(flushDebugOutput)}, 1365 }; 1366 1367 int CompilerToVM::methods_count() { 1368 return sizeof(methods) / sizeof(JNINativeMethod); 1369 } 1370