1 /* 2 * Copyright (c) 2011, 2016, 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/codeCache.hpp" 27 #include "code/scopeDesc.hpp" 28 #include "interpreter/linkResolver.hpp" 29 #include "memory/oopFactory.hpp" 30 #include "oops/generateOopMap.hpp" 31 #include "oops/fieldStreams.hpp" 32 #include "oops/oop.inline.hpp" 33 #include "oops/objArrayOop.inline.hpp" 34 #include "runtime/fieldDescriptor.hpp" 35 #include "runtime/javaCalls.hpp" 36 #include "jvmci/jvmciRuntime.hpp" 37 #include "compiler/abstractCompiler.hpp" 38 #include "compiler/compileBroker.hpp" 39 #include "compiler/compilerOracle.hpp" 40 #include "compiler/disassembler.hpp" 41 #include "compiler/oopMap.hpp" 42 #include "jvmci/jvmciCompilerToVM.hpp" 43 #include "jvmci/jvmciCompiler.hpp" 44 #include "jvmci/jvmciEnv.hpp" 45 #include "jvmci/jvmciJavaClasses.hpp" 46 #include "jvmci/jvmciCodeInstaller.hpp" 47 #include "jvmci/vmStructs_jvmci.hpp" 48 #include "gc/g1/heapRegion.hpp" 49 #include "runtime/javaCalls.hpp" 50 #include "runtime/deoptimization.hpp" 51 #include "runtime/vframe.hpp" 52 #include "runtime/vframe_hp.hpp" 53 #include "runtime/vmStructs.hpp" 54 55 56 // Entry to native method implementation that transitions current thread to '_thread_in_vm'. 57 #define C2V_VMENTRY(result_type, name, signature) \ 58 JNIEXPORT result_type JNICALL c2v_ ## name signature { \ 59 TRACE_jvmci_1("CompilerToVM::" #name); \ 60 TRACE_CALL(result_type, jvmci_ ## name signature) \ 61 JVMCI_VM_ENTRY_MARK; \ 62 63 #define C2V_END } 64 65 oop CompilerToVM::get_jvmci_method(const methodHandle& method, TRAPS) { 66 if (method() != NULL) { 67 JavaValue result(T_OBJECT); 68 JavaCallArguments args; 69 args.push_long((jlong) (address) method()); 70 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedJavaMethodImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::method_fromMetaspace_signature(), &args, CHECK_NULL); 71 72 return (oop)result.get_jobject(); 73 } 74 return NULL; 75 } 76 77 oop CompilerToVM::get_jvmci_type(KlassHandle klass, TRAPS) { 78 if (klass() != NULL) { 79 JavaValue result(T_OBJECT); 80 JavaCallArguments args; 81 args.push_oop(klass->java_mirror()); 82 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedObjectTypeImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::klass_fromMetaspace_signature(), &args, CHECK_NULL); 83 84 return (oop)result.get_jobject(); 85 } 86 return NULL; 87 } 88 89 extern "C" { 90 extern VMStructEntry* jvmciHotSpotVMStructs; 91 extern uint64_t jvmciHotSpotVMStructEntryTypeNameOffset; 92 extern uint64_t jvmciHotSpotVMStructEntryFieldNameOffset; 93 extern uint64_t jvmciHotSpotVMStructEntryTypeStringOffset; 94 extern uint64_t jvmciHotSpotVMStructEntryIsStaticOffset; 95 extern uint64_t jvmciHotSpotVMStructEntryOffsetOffset; 96 extern uint64_t jvmciHotSpotVMStructEntryAddressOffset; 97 extern uint64_t jvmciHotSpotVMStructEntryArrayStride; 98 99 extern VMTypeEntry* jvmciHotSpotVMTypes; 100 extern uint64_t jvmciHotSpotVMTypeEntryTypeNameOffset; 101 extern uint64_t jvmciHotSpotVMTypeEntrySuperclassNameOffset; 102 extern uint64_t jvmciHotSpotVMTypeEntryIsOopTypeOffset; 103 extern uint64_t jvmciHotSpotVMTypeEntryIsIntegerTypeOffset; 104 extern uint64_t jvmciHotSpotVMTypeEntryIsUnsignedOffset; 105 extern uint64_t jvmciHotSpotVMTypeEntrySizeOffset; 106 extern uint64_t jvmciHotSpotVMTypeEntryArrayStride; 107 108 extern VMIntConstantEntry* jvmciHotSpotVMIntConstants; 109 extern uint64_t jvmciHotSpotVMIntConstantEntryNameOffset; 110 extern uint64_t jvmciHotSpotVMIntConstantEntryValueOffset; 111 extern uint64_t jvmciHotSpotVMIntConstantEntryArrayStride; 112 113 extern VMLongConstantEntry* jvmciHotSpotVMLongConstants; 114 extern uint64_t jvmciHotSpotVMLongConstantEntryNameOffset; 115 extern uint64_t jvmciHotSpotVMLongConstantEntryValueOffset; 116 extern uint64_t jvmciHotSpotVMLongConstantEntryArrayStride; 117 118 extern VMAddressEntry* jvmciHotSpotVMAddresses; 119 extern uint64_t jvmciHotSpotVMAddressEntryNameOffset; 120 extern uint64_t jvmciHotSpotVMAddressEntryValueOffset; 121 extern uint64_t jvmciHotSpotVMAddressEntryArrayStride; 122 } 123 124 int CompilerToVM::Data::Klass_vtable_start_offset; 125 int CompilerToVM::Data::Klass_vtable_length_offset; 126 127 int CompilerToVM::Data::Method_extra_stack_entries; 128 129 address CompilerToVM::Data::SharedRuntime_ic_miss_stub; 130 address CompilerToVM::Data::SharedRuntime_handle_wrong_method_stub; 131 address CompilerToVM::Data::SharedRuntime_deopt_blob_unpack; 132 address CompilerToVM::Data::SharedRuntime_deopt_blob_uncommon_trap; 133 134 size_t CompilerToVM::Data::ThreadLocalAllocBuffer_alignment_reserve; 135 136 CollectedHeap* CompilerToVM::Data::Universe_collectedHeap; 137 int CompilerToVM::Data::Universe_base_vtable_size; 138 address CompilerToVM::Data::Universe_narrow_oop_base; 139 int CompilerToVM::Data::Universe_narrow_oop_shift; 140 address CompilerToVM::Data::Universe_narrow_klass_base; 141 int CompilerToVM::Data::Universe_narrow_klass_shift; 142 void* CompilerToVM::Data::Universe_non_oop_bits; 143 uintptr_t CompilerToVM::Data::Universe_verify_oop_mask; 144 uintptr_t CompilerToVM::Data::Universe_verify_oop_bits; 145 146 bool CompilerToVM::Data::_supports_inline_contig_alloc; 147 HeapWord** CompilerToVM::Data::_heap_end_addr; 148 HeapWord** CompilerToVM::Data::_heap_top_addr; 149 150 jbyte* CompilerToVM::Data::cardtable_start_address; 151 int CompilerToVM::Data::cardtable_shift; 152 153 int CompilerToVM::Data::vm_page_size; 154 155 void CompilerToVM::Data::initialize() { 156 Klass_vtable_start_offset = in_bytes(Klass::vtable_start_offset()); 157 Klass_vtable_length_offset = in_bytes(Klass::vtable_length_offset()); 158 159 Method_extra_stack_entries = Method::extra_stack_entries(); 160 161 SharedRuntime_ic_miss_stub = SharedRuntime::get_ic_miss_stub(); 162 SharedRuntime_handle_wrong_method_stub = SharedRuntime::get_handle_wrong_method_stub(); 163 SharedRuntime_deopt_blob_unpack = SharedRuntime::deopt_blob()->unpack(); 164 SharedRuntime_deopt_blob_uncommon_trap = SharedRuntime::deopt_blob()->uncommon_trap(); 165 166 ThreadLocalAllocBuffer_alignment_reserve = ThreadLocalAllocBuffer::alignment_reserve(); 167 168 Universe_collectedHeap = Universe::heap(); 169 Universe_base_vtable_size = Universe::base_vtable_size(); 170 Universe_narrow_oop_base = Universe::narrow_oop_base(); 171 Universe_narrow_oop_shift = Universe::narrow_oop_shift(); 172 Universe_narrow_klass_base = Universe::narrow_klass_base(); 173 Universe_narrow_klass_shift = Universe::narrow_klass_shift(); 174 Universe_non_oop_bits = Universe::non_oop_word(); 175 Universe_verify_oop_mask = Universe::verify_oop_mask(); 176 Universe_verify_oop_bits = Universe::verify_oop_bits(); 177 178 _supports_inline_contig_alloc = Universe::heap()->supports_inline_contig_alloc(); 179 _heap_end_addr = _supports_inline_contig_alloc ? Universe::heap()->end_addr() : (HeapWord**) -1; 180 _heap_top_addr = _supports_inline_contig_alloc ? Universe::heap()->top_addr() : (HeapWord**) -1; 181 182 BarrierSet* bs = Universe::heap()->barrier_set(); 183 switch (bs->kind()) { 184 case BarrierSet::CardTableModRef: 185 case BarrierSet::CardTableForRS: 186 case BarrierSet::CardTableExtension: 187 case BarrierSet::G1SATBCT: 188 case BarrierSet::G1SATBCTLogging: { 189 jbyte* base = barrier_set_cast<CardTableModRefBS>(bs)->byte_map_base; 190 assert(base != 0, "unexpected byte_map_base"); 191 cardtable_start_address = base; 192 cardtable_shift = CardTableModRefBS::card_shift; 193 break; 194 } 195 case BarrierSet::ModRef: 196 cardtable_start_address = 0; 197 cardtable_shift = 0; 198 // No post barriers 199 break; 200 default: 201 ShouldNotReachHere(); 202 break; 203 } 204 205 vm_page_size = os::vm_page_size(); 206 } 207 208 /** 209 * We put all jvmciHotSpotVM values in an array so we can read them easily from Java. 210 */ 211 static uintptr_t ciHotSpotVMData[28]; 212 213 C2V_VMENTRY(jlong, initializeConfiguration, (JNIEnv *env, jobject)) 214 ciHotSpotVMData[0] = (uintptr_t) jvmciHotSpotVMStructs; 215 ciHotSpotVMData[1] = jvmciHotSpotVMStructEntryTypeNameOffset; 216 ciHotSpotVMData[2] = jvmciHotSpotVMStructEntryFieldNameOffset; 217 ciHotSpotVMData[3] = jvmciHotSpotVMStructEntryTypeStringOffset; 218 ciHotSpotVMData[4] = jvmciHotSpotVMStructEntryIsStaticOffset; 219 ciHotSpotVMData[5] = jvmciHotSpotVMStructEntryOffsetOffset; 220 ciHotSpotVMData[6] = jvmciHotSpotVMStructEntryAddressOffset; 221 ciHotSpotVMData[7] = jvmciHotSpotVMStructEntryArrayStride; 222 223 ciHotSpotVMData[8] = (uintptr_t) jvmciHotSpotVMTypes; 224 ciHotSpotVMData[9] = jvmciHotSpotVMTypeEntryTypeNameOffset; 225 ciHotSpotVMData[10] = jvmciHotSpotVMTypeEntrySuperclassNameOffset; 226 ciHotSpotVMData[11] = jvmciHotSpotVMTypeEntryIsOopTypeOffset; 227 ciHotSpotVMData[12] = jvmciHotSpotVMTypeEntryIsIntegerTypeOffset; 228 ciHotSpotVMData[13] = jvmciHotSpotVMTypeEntryIsUnsignedOffset; 229 ciHotSpotVMData[14] = jvmciHotSpotVMTypeEntrySizeOffset; 230 ciHotSpotVMData[15] = jvmciHotSpotVMTypeEntryArrayStride; 231 232 ciHotSpotVMData[16] = (uintptr_t) jvmciHotSpotVMIntConstants; 233 ciHotSpotVMData[17] = jvmciHotSpotVMIntConstantEntryNameOffset; 234 ciHotSpotVMData[18] = jvmciHotSpotVMIntConstantEntryValueOffset; 235 ciHotSpotVMData[19] = jvmciHotSpotVMIntConstantEntryArrayStride; 236 237 ciHotSpotVMData[20] = (uintptr_t) jvmciHotSpotVMLongConstants; 238 ciHotSpotVMData[21] = jvmciHotSpotVMLongConstantEntryNameOffset; 239 ciHotSpotVMData[22] = jvmciHotSpotVMLongConstantEntryValueOffset; 240 ciHotSpotVMData[23] = jvmciHotSpotVMLongConstantEntryArrayStride; 241 242 ciHotSpotVMData[24] = (uintptr_t) jvmciHotSpotVMAddresses; 243 ciHotSpotVMData[25] = jvmciHotSpotVMAddressEntryNameOffset; 244 ciHotSpotVMData[26] = jvmciHotSpotVMAddressEntryValueOffset; 245 ciHotSpotVMData[27] = jvmciHotSpotVMAddressEntryArrayStride; 246 247 CompilerToVM::Data::initialize(); 248 249 return (jlong) (address) &ciHotSpotVMData; 250 C2V_END 251 252 C2V_VMENTRY(jbyteArray, getBytecode, (JNIEnv *, jobject, jobject jvmci_method)) 253 methodHandle method = CompilerToVM::asMethod(jvmci_method); 254 ResourceMark rm; 255 256 int code_size = method->code_size(); 257 typeArrayOop reconstituted_code = oopFactory::new_byteArray(code_size, CHECK_NULL); 258 259 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten"); 260 // iterate over all bytecodes and replace non-Java bytecodes 261 262 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) { 263 Bytecodes::Code code = s.code(); 264 Bytecodes::Code raw_code = s.raw_code(); 265 int bci = s.bci(); 266 int len = s.instruction_size(); 267 268 // Restore original byte code. 269 reconstituted_code->byte_at_put(bci, (jbyte) (s.is_wide()? Bytecodes::_wide : code)); 270 if (len > 1) { 271 memcpy(reconstituted_code->byte_at_addr(bci + 1), s.bcp()+1, len-1); 272 } 273 274 if (len > 1) { 275 // Restore the big-endian constant pool indexes. 276 // Cf. Rewriter::scan_method 277 switch (code) { 278 case Bytecodes::_getstatic: 279 case Bytecodes::_putstatic: 280 case Bytecodes::_getfield: 281 case Bytecodes::_putfield: 282 case Bytecodes::_invokevirtual: 283 case Bytecodes::_invokespecial: 284 case Bytecodes::_invokestatic: 285 case Bytecodes::_invokeinterface: 286 case Bytecodes::_invokehandle: { 287 int cp_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1)); 288 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index); 289 break; 290 } 291 292 case Bytecodes::_invokedynamic: 293 int cp_index = Bytes::get_native_u4((address) reconstituted_code->byte_at_addr(bci + 1)); 294 Bytes::put_Java_u4((address) reconstituted_code->byte_at_addr(bci + 1), (u4) cp_index); 295 break; 296 } 297 298 // Not all ldc byte code are rewritten. 299 switch (raw_code) { 300 case Bytecodes::_fast_aldc: { 301 int cpc_index = reconstituted_code->byte_at(bci + 1) & 0xff; 302 int cp_index = method->constants()->object_to_cp_index(cpc_index); 303 assert(cp_index < method->constants()->length(), "sanity check"); 304 reconstituted_code->byte_at_put(bci + 1, (jbyte) cp_index); 305 break; 306 } 307 308 case Bytecodes::_fast_aldc_w: { 309 int cpc_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1)); 310 int cp_index = method->constants()->object_to_cp_index(cpc_index); 311 assert(cp_index < method->constants()->length(), "sanity check"); 312 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index); 313 break; 314 } 315 } 316 } 317 } 318 319 return (jbyteArray) JNIHandles::make_local(THREAD, reconstituted_code); 320 C2V_END 321 322 C2V_VMENTRY(jint, getExceptionTableLength, (JNIEnv *, jobject, jobject jvmci_method)) 323 ResourceMark rm; 324 methodHandle method = CompilerToVM::asMethod(jvmci_method); 325 return method->exception_table_length(); 326 C2V_END 327 328 C2V_VMENTRY(jlong, getExceptionTableStart, (JNIEnv *, jobject, jobject jvmci_method)) 329 ResourceMark rm; 330 methodHandle method = CompilerToVM::asMethod(jvmci_method); 331 if (method->exception_table_length() == 0) { 332 return 0L; 333 } 334 return (jlong) (address) method->exception_table_start(); 335 C2V_END 336 337 C2V_VMENTRY(jobject, getResolvedJavaMethodAtSlot, (JNIEnv *, jobject, jclass holder_handle, jint slot)) 338 oop java_class = JNIHandles::resolve(holder_handle); 339 Klass* holder = java_lang_Class::as_Klass(java_class); 340 methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot); 341 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL); 342 return JNIHandles::make_local(THREAD, result); 343 } 344 345 C2V_VMENTRY(jobject, getResolvedJavaMethod, (JNIEnv *, jobject, jobject base, jlong offset)) 346 methodHandle method; 347 oop base_object = JNIHandles::resolve(base); 348 if (base_object == NULL) { 349 method = *((Method**)(offset)); 350 } else if (base_object->is_a(SystemDictionary::MemberName_klass())) { 351 method = (Method*) (intptr_t) base_object->long_field(offset); 352 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) { 353 method = *((Method**)(HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object) + offset)); 354 } else { 355 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), 356 err_msg("Unexpected type: %s", base_object->klass()->external_name())); 357 } 358 assert (method.is_null() || method->is_method(), "invalid read"); 359 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL); 360 return JNIHandles::make_local(THREAD, result); 361 } 362 363 C2V_VMENTRY(jobject, getConstantPool, (JNIEnv *, jobject, jobject base, jlong offset)) 364 constantPoolHandle cp; 365 oop base_object = JNIHandles::resolve(base); 366 jlong base_address = 0; 367 if (base_object != NULL) { 368 if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) { 369 base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object); 370 } else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) { 371 base_address = HotSpotConstantPool::metaspaceConstantPool(base_object); 372 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) { 373 base_address = (jlong) CompilerToVM::asKlass(base_object); 374 } else { 375 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), 376 err_msg("Unexpected type: %s", base_object->klass()->external_name())); 377 } 378 } 379 cp = *((ConstantPool**) (intptr_t) (base_address + offset)); 380 if (!cp.is_null()) { 381 JavaValue method_result(T_OBJECT); 382 JavaCallArguments args; 383 args.push_long((jlong) (address) cp()); 384 JavaCalls::call_static(&method_result, SystemDictionary::HotSpotConstantPool_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::constantPool_fromMetaspace_signature(), &args, CHECK_NULL); 385 return JNIHandles::make_local(THREAD, (oop)method_result.get_jobject()); 386 } 387 return NULL; 388 } 389 390 C2V_VMENTRY(jobject, getResolvedJavaType, (JNIEnv *, jobject, jobject base, jlong offset, jboolean compressed)) 391 KlassHandle klass; 392 oop base_object = JNIHandles::resolve(base); 393 jlong base_address = 0; 394 if (base_object != NULL && offset == oopDesc::klass_offset_in_bytes()) { 395 klass = base_object->klass(); 396 } else if (!compressed) { 397 if (base_object != NULL) { 398 if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) { 399 base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object); 400 } else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) { 401 base_address = HotSpotConstantPool::metaspaceConstantPool(base_object); 402 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) { 403 base_address = (jlong) CompilerToVM::asKlass(base_object); 404 } else if (base_object->is_a(SystemDictionary::Class_klass())) { 405 base_address = (jlong) (address) base_object; 406 } else { 407 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), 408 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false")); 409 } 410 } 411 klass = *((Klass**) (intptr_t) (base_address + offset)); 412 } else { 413 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), 414 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false")); 415 } 416 assert (klass.is_null() || klass->is_klass(), "invalid read"); 417 oop result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL); 418 return JNIHandles::make_local(THREAD, result); 419 } 420 421 C2V_VMENTRY(jobject, findUniqueConcreteMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method)) 422 ResourceMark rm; 423 methodHandle method = CompilerToVM::asMethod(jvmci_method); 424 KlassHandle holder = CompilerToVM::asKlass(jvmci_type); 425 if (holder->is_interface()) { 426 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", holder->external_name())); 427 } 428 429 methodHandle ucm; 430 { 431 MutexLocker locker(Compile_lock); 432 ucm = Dependencies::find_unique_concrete_method(holder(), method()); 433 } 434 oop result = CompilerToVM::get_jvmci_method(ucm, CHECK_NULL); 435 return JNIHandles::make_local(THREAD, result); 436 C2V_END 437 438 C2V_VMENTRY(jobject, getImplementor, (JNIEnv *, jobject, jobject jvmci_type)) 439 InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type); 440 oop implementor = CompilerToVM::get_jvmci_type(klass->implementor(), CHECK_NULL); 441 return JNIHandles::make_local(THREAD, implementor); 442 C2V_END 443 444 C2V_VMENTRY(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv *, jobject, jobject jvmci_method)) 445 methodHandle method = CompilerToVM::asMethod(jvmci_method); 446 return method->is_ignored_by_security_stack_walk(); 447 C2V_END 448 449 C2V_VMENTRY(jboolean, canInlineMethod,(JNIEnv *, jobject, jobject jvmci_method)) 450 methodHandle method = CompilerToVM::asMethod(jvmci_method); 451 return !method->is_not_compilable() && !CompilerOracle::should_not_inline(method) && !method->dont_inline(); 452 C2V_END 453 454 C2V_VMENTRY(jboolean, shouldInlineMethod,(JNIEnv *, jobject, jobject jvmci_method)) 455 methodHandle method = CompilerToVM::asMethod(jvmci_method); 456 return CompilerOracle::should_inline(method) || method->force_inline(); 457 C2V_END 458 459 C2V_VMENTRY(jobject, lookupType, (JNIEnv*, jobject, jstring jname, jclass accessing_class, jboolean resolve)) 460 ResourceMark rm; 461 Handle name = JNIHandles::resolve(jname); 462 Symbol* class_name = java_lang_String::as_symbol(name, CHECK_0); 463 if (java_lang_String::length(name()) <= 1) { 464 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string())); 465 } 466 467 Klass* resolved_klass = NULL; 468 Handle class_loader; 469 Handle protection_domain; 470 if (JNIHandles::resolve(accessing_class) == NULL) { 471 THROW_0(vmSymbols::java_lang_NullPointerException()); 472 } 473 Klass* accessing_klass = java_lang_Class::as_Klass(JNIHandles::resolve(accessing_class)); 474 class_loader = accessing_klass->class_loader(); 475 protection_domain = accessing_klass->protection_domain(); 476 477 if (resolve) { 478 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0); 479 } else { 480 if (class_name->byte_at(0) == 'L' && 481 class_name->byte_at(class_name->utf8_length()-1) == ';') { 482 // This is a name from a signature. Strip off the trimmings. 483 // Call recursive to keep scope of strippedsym. 484 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1, 485 class_name->utf8_length()-2, 486 CHECK_0); 487 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0); 488 } else if (FieldType::is_array(class_name)) { 489 FieldArrayInfo fd; 490 // dimension and object_key in FieldArrayInfo are assigned as a side-effect 491 // of this call 492 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0); 493 if (t == T_OBJECT) { 494 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(), 495 class_name->utf8_length()-2-fd.dimension(), 496 CHECK_0); 497 // naked oop "k" is OK here -- we assign back into it 498 resolved_klass = SystemDictionary::find(strippedsym, 499 class_loader, 500 protection_domain, 501 CHECK_0); 502 if (resolved_klass != NULL) { 503 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0); 504 } 505 } else { 506 resolved_klass = Universe::typeArrayKlassObj(t); 507 resolved_klass = TypeArrayKlass::cast(resolved_klass)->array_klass(fd.dimension(), CHECK_0); 508 } 509 } 510 } 511 Handle result = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL); 512 return JNIHandles::make_local(THREAD, result()); 513 C2V_END 514 515 C2V_VMENTRY(jobject, resolveConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 516 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 517 oop result = cp->resolve_constant_at(index, CHECK_NULL); 518 return JNIHandles::make_local(THREAD, result); 519 C2V_END 520 521 C2V_VMENTRY(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 522 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 523 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL); 524 return JNIHandles::make_local(THREAD, result); 525 C2V_END 526 527 C2V_VMENTRY(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 528 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 529 return cp->name_and_type_ref_index_at(index); 530 C2V_END 531 532 C2V_VMENTRY(jobject, lookupNameInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which)) 533 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 534 Handle sym = java_lang_String::create_from_symbol(cp->name_ref_at(which), CHECK_NULL); 535 return JNIHandles::make_local(THREAD, sym()); 536 C2V_END 537 538 C2V_VMENTRY(jobject, lookupSignatureInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which)) 539 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 540 Handle sym = java_lang_String::create_from_symbol(cp->signature_ref_at(which), CHECK_NULL); 541 return JNIHandles::make_local(THREAD, sym()); 542 C2V_END 543 544 C2V_VMENTRY(jint, lookupKlassRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 545 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 546 return cp->klass_ref_index_at(index); 547 C2V_END 548 549 C2V_VMENTRY(jobject, resolveTypeInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 550 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 551 Klass* resolved_klass = cp->klass_at(index, CHECK_NULL); 552 Handle klass = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL); 553 return JNIHandles::make_local(THREAD, klass()); 554 C2V_END 555 556 C2V_VMENTRY(jobject, lookupKlassInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode)) 557 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 558 KlassHandle loading_klass(cp->pool_holder()); 559 bool is_accessible = false; 560 KlassHandle klass = JVMCIEnv::get_klass_by_index(cp, index, is_accessible, loading_klass); 561 Symbol* symbol = NULL; 562 if (klass.is_null()) { 563 symbol = cp->klass_name_at(index); 564 } 565 Handle result; 566 if (!klass.is_null()) { 567 result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL); 568 } else { 569 result = java_lang_String::create_from_symbol(symbol, CHECK_NULL); 570 } 571 return JNIHandles::make_local(THREAD, result()); 572 C2V_END 573 574 C2V_VMENTRY(jobject, lookupAppendixInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 575 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 576 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index); 577 return JNIHandles::make_local(THREAD, appendix_oop); 578 C2V_END 579 580 C2V_VMENTRY(jobject, lookupMethodInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode)) 581 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 582 instanceKlassHandle pool_holder(cp->pool_holder()); 583 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF); 584 methodHandle method = JVMCIEnv::get_method_by_index(cp, index, bc, pool_holder); 585 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL); 586 return JNIHandles::make_local(THREAD, result); 587 C2V_END 588 589 C2V_VMENTRY(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 590 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 591 return cp->remap_instruction_operand_from_cache(index); 592 C2V_END 593 594 C2V_VMENTRY(jobject, resolveFieldInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode, jlongArray info_handle)) 595 ResourceMark rm; 596 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 597 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF); 598 fieldDescriptor fd; 599 LinkInfo link_info(cp, index, CHECK_0); 600 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0); 601 typeArrayOop info = (typeArrayOop) JNIHandles::resolve(info_handle); 602 assert(info != NULL && info->length() == 2, "must be"); 603 info->long_at_put(0, (jlong) fd.access_flags().as_int()); 604 info->long_at_put(1, (jlong) fd.offset()); 605 oop field_holder = CompilerToVM::get_jvmci_type(fd.field_holder(), CHECK_NULL); 606 return JNIHandles::make_local(THREAD, field_holder); 607 C2V_END 608 609 C2V_VMENTRY(jint, getVtableIndexForInterfaceMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method)) 610 ResourceMark rm; 611 Klass* klass = CompilerToVM::asKlass(jvmci_type); 612 Method* method = CompilerToVM::asMethod(jvmci_method); 613 if (klass->is_interface()) { 614 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", klass->external_name())); 615 } 616 if (!method->method_holder()->is_interface()) { 617 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())); 618 } 619 if (!InstanceKlass::cast(klass)->is_linked()) { 620 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Class %s must be linked", klass->external_name())); 621 } 622 return LinkResolver::vtable_index_of_interface_method(klass, method); 623 C2V_END 624 625 C2V_VMENTRY(jobject, resolveMethod, (JNIEnv *, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type)) 626 Klass* recv_klass = CompilerToVM::asKlass(receiver_jvmci_type); 627 Klass* caller_klass = CompilerToVM::asKlass(caller_jvmci_type); 628 Method* method = CompilerToVM::asMethod(jvmci_method); 629 630 if (recv_klass->is_array_klass() || (InstanceKlass::cast(recv_klass)->is_linked())) { 631 Klass* holder_klass = method->method_holder(); 632 Symbol* method_name = method->name(); 633 Symbol* method_signature = method->signature(); 634 635 if (holder_klass->is_interface()) { 636 // do link-time resolution to check all access rules. 637 LinkInfo link_info(holder_klass, method_name, method_signature, caller_klass, true); 638 methodHandle resolved_method = LinkResolver::linktime_resolve_interface_method_or_null(link_info); 639 if (resolved_method.is_null() || resolved_method->is_private()) { 640 return NULL; 641 } 642 assert(recv_klass->is_subtype_of(holder_klass), ""); 643 // do actual lookup 644 methodHandle sel_method = LinkResolver::lookup_instance_method_in_klasses(recv_klass, resolved_method->name(), resolved_method->signature(), CHECK_AND_CLEAR_0); 645 oop result = CompilerToVM::get_jvmci_method(sel_method, CHECK_NULL); 646 return JNIHandles::make_local(THREAD, result); 647 } else { 648 // do link-time resolution to check all access rules. 649 LinkInfo link_info(holder_klass, method_name, method_signature, caller_klass, true); 650 methodHandle resolved_method = LinkResolver::linktime_resolve_virtual_method_or_null(link_info); 651 if (resolved_method.is_null()) { 652 return NULL; 653 } 654 // do actual lookup (see LinkResolver::runtime_resolve_virtual_method) 655 int vtable_index = Method::invalid_vtable_index; 656 Method* selected_method; 657 658 if (resolved_method->method_holder()->is_interface()) { // miranda method 659 vtable_index = LinkResolver::vtable_index_of_interface_method(holder_klass, resolved_method); 660 assert(vtable_index >= 0 , "we should have valid vtable index at this point"); 661 662 selected_method = recv_klass->method_at_vtable(vtable_index); 663 } else { 664 // at this point we are sure that resolved_method is virtual and not 665 // a miranda method; therefore, it must have a valid vtable index. 666 assert(!resolved_method->has_itable_index(), ""); 667 vtable_index = resolved_method->vtable_index(); 668 // We could get a negative vtable_index for final methods, 669 // because as an optimization they are they are never put in the vtable, 670 // unless they override an existing method. 671 // If we do get a negative, it means the resolved method is the the selected 672 // method, and it can never be changed by an override. 673 if (vtable_index == Method::nonvirtual_vtable_index) { 674 assert(resolved_method->can_be_statically_bound(), "cannot override this method"); 675 selected_method = resolved_method(); 676 } else { 677 selected_method = recv_klass->method_at_vtable(vtable_index); 678 } 679 } 680 oop result = CompilerToVM::get_jvmci_method(selected_method, CHECK_NULL); 681 return JNIHandles::make_local(THREAD, result); 682 } 683 } 684 return NULL; 685 C2V_END 686 687 C2V_VMENTRY(jboolean, hasFinalizableSubclass,(JNIEnv *, jobject, jobject jvmci_type)) 688 Klass* klass = CompilerToVM::asKlass(jvmci_type); 689 assert(klass != NULL, "method must not be called for primitive types"); 690 return Dependencies::find_finalizable_subclass(klass) != NULL; 691 C2V_END 692 693 C2V_VMENTRY(jobject, getClassInitializer, (JNIEnv *, jobject, jobject jvmci_type)) 694 InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type); 695 oop result = CompilerToVM::get_jvmci_method(klass->class_initializer(), CHECK_NULL); 696 return JNIHandles::make_local(THREAD, result); 697 C2V_END 698 699 C2V_VMENTRY(jlong, getMaxCallTargetOffset, (JNIEnv*, jobject, jlong addr)) 700 address target_addr = (address) addr; 701 if (target_addr != 0x0) { 702 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int)); 703 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int)); 704 return MAX2(ABS(off_low), ABS(off_high)); 705 } 706 return -1; 707 C2V_END 708 709 C2V_VMENTRY(void, doNotInlineOrCompile,(JNIEnv *, jobject, jobject jvmci_method)) 710 methodHandle method = CompilerToVM::asMethod(jvmci_method); 711 method->set_not_c1_compilable(); 712 method->set_not_c2_compilable(); 713 method->set_dont_inline(true); 714 C2V_END 715 716 C2V_VMENTRY(jint, installCode, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject installed_code, jobject speculation_log)) 717 ResourceMark rm; 718 HandleMark hm; 719 Handle target_handle = JNIHandles::resolve(target); 720 Handle compiled_code_handle = JNIHandles::resolve(compiled_code); 721 CodeBlob* cb = NULL; 722 Handle installed_code_handle = JNIHandles::resolve(installed_code); 723 Handle speculation_log_handle = JNIHandles::resolve(speculation_log); 724 725 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK_JNI_ERR); 726 727 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer()); 728 CodeInstaller installer; 729 JVMCIEnv::CodeInstallResult result = installer.install(compiler, target_handle, compiled_code_handle, cb, installed_code_handle, speculation_log_handle, CHECK_0); 730 731 if (PrintCodeCacheOnCompilation) { 732 stringStream s; 733 // Dump code cache into a buffer before locking the tty, 734 { 735 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); 736 CodeCache::print_summary(&s, false); 737 } 738 ttyLocker ttyl; 739 tty->print_raw_cr(s.as_string()); 740 } 741 742 if (result != JVMCIEnv::ok) { 743 assert(cb == NULL, "should be"); 744 } else { 745 if (!installed_code_handle.is_null()) { 746 assert(installed_code_handle->is_a(InstalledCode::klass()), "wrong type"); 747 nmethod::invalidate_installed_code(installed_code_handle, CHECK_0); 748 { 749 // Ensure that all updates to the InstalledCode fields are consistent. 750 MutexLockerEx pl(Patching_lock, Mutex::_no_safepoint_check_flag); 751 InstalledCode::set_address(installed_code_handle, (jlong) cb); 752 InstalledCode::set_version(installed_code_handle, InstalledCode::version(installed_code_handle) + 1); 753 if (cb->is_nmethod()) { 754 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->as_nmethod_or_null()->verified_entry_point()); 755 } else { 756 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->code_begin()); 757 } 758 if (installed_code_handle->is_a(HotSpotInstalledCode::klass())) { 759 HotSpotInstalledCode::set_size(installed_code_handle, cb->size()); 760 HotSpotInstalledCode::set_codeStart(installed_code_handle, (jlong) cb->code_begin()); 761 HotSpotInstalledCode::set_codeSize(installed_code_handle, cb->code_size()); 762 } 763 } 764 nmethod* nm = cb->as_nmethod_or_null(); 765 if (nm != NULL && installed_code_handle->is_scavengable()) { 766 assert(nm->detect_scavenge_root_oops(), "nm should be scavengable if installed_code is scavengable"); 767 if (!UseG1GC) { 768 assert(nm->on_scavenge_root_list(), "nm should be on scavengable list"); 769 } 770 } 771 } 772 } 773 return result; 774 C2V_END 775 776 C2V_VMENTRY(jint, getMetadata, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject metadata)) 777 ResourceMark rm; 778 HandleMark hm; 779 780 Handle target_handle = JNIHandles::resolve(target); 781 Handle compiled_code_handle = JNIHandles::resolve(compiled_code); 782 Handle metadata_handle = JNIHandles::resolve(metadata); 783 784 HotSpotOopMap::klass()->initialize(thread); 785 786 CodeMetadata code_metadata; 787 CodeBlob *cb = NULL; 788 CodeInstaller installer; 789 790 JVMCIEnv::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, CHECK_0); //cb, pc_descs, nr_pc_descs, scopes_descs, scopes_size, reloc_buffer); 791 if (result != JVMCIEnv::ok) { 792 return result; 793 } 794 795 if (code_metadata.get_nr_pc_desc() > 0) { 796 typeArrayHandle pcArrayOop = oopFactory::new_byteArray(sizeof(PcDesc) * code_metadata.get_nr_pc_desc(), CHECK_(JVMCIEnv::cache_full)); 797 memcpy(pcArrayOop->byte_at_addr(0), code_metadata.get_pc_desc(), sizeof(PcDesc) * code_metadata.get_nr_pc_desc()); 798 HotSpotMetaData::set_pcDescBytes(metadata_handle, pcArrayOop()); 799 } 800 801 if (code_metadata.get_scopes_size() > 0) { 802 typeArrayHandle scopesArrayOop = oopFactory::new_byteArray(code_metadata.get_scopes_size(), CHECK_(JVMCIEnv::cache_full)); 803 memcpy(scopesArrayOop->byte_at_addr(0), code_metadata.get_scopes_desc(), code_metadata.get_scopes_size()); 804 HotSpotMetaData::set_scopesDescBytes(metadata_handle, scopesArrayOop()); 805 } 806 807 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer(); 808 typeArrayHandle relocArrayOop = oopFactory::new_byteArray((int) reloc_buffer->size(), CHECK_(JVMCIEnv::cache_full)); 809 if (reloc_buffer->size() > 0) { 810 memcpy(relocArrayOop->byte_at_addr(0), reloc_buffer->begin(), reloc_buffer->size()); 811 } 812 HotSpotMetaData::set_relocBytes(metadata_handle, relocArrayOop()); 813 814 const OopMapSet* oopMapSet = installer.oopMapSet(); 815 { 816 ResourceMark mark; 817 ImmutableOopMapBuilder builder(oopMapSet); 818 int oopmap_size = builder.heap_size(); 819 typeArrayHandle oopMapArrayHandle = oopFactory::new_byteArray(oopmap_size, CHECK_(JVMCIEnv::cache_full)); 820 builder.generate_into((address) oopMapArrayHandle->byte_at_addr(0)); 821 HotSpotMetaData::set_oopMaps(metadata_handle, oopMapArrayHandle()); 822 } 823 824 HotSpotMetaData::set_metadata(metadata_handle, NULL); 825 826 ExceptionHandlerTable* handler = code_metadata.get_exception_table(); 827 int table_size = handler->size_in_bytes(); 828 typeArrayHandle exceptionArrayOop = oopFactory::new_byteArray(table_size, CHECK_(JVMCIEnv::cache_full)); 829 830 if (table_size > 0) { 831 handler->copy_bytes_to((address) exceptionArrayOop->byte_at_addr(0)); 832 } 833 HotSpotMetaData::set_exceptionBytes(metadata_handle, exceptionArrayOop()); 834 835 return result; 836 C2V_END 837 838 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv *jniEnv, jobject)) 839 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK); 840 CompilerStatistics* stats = compiler->stats(); 841 stats->_standard.reset(); 842 stats->_osr.reset(); 843 C2V_END 844 845 C2V_VMENTRY(jobject, disassembleCodeBlob, (JNIEnv *jniEnv, jobject, jobject installedCode)) 846 ResourceMark rm; 847 HandleMark hm; 848 849 if (installedCode == NULL) { 850 THROW_MSG_NULL(vmSymbols::java_lang_NullPointerException(), "installedCode is null"); 851 } 852 853 jlong codeBlob = InstalledCode::address(installedCode); 854 if (codeBlob == 0L) { 855 return NULL; 856 } 857 858 CodeBlob* cb = (CodeBlob*) (address) codeBlob; 859 if (cb == NULL) { 860 return NULL; 861 } 862 863 // We don't want the stringStream buffer to resize during disassembly as it 864 // uses scoped resource memory. If a nested function called during disassembly uses 865 // a ResourceMark and the buffer expands within the scope of the mark, 866 // the buffer becomes garbage when that scope is exited. Experience shows that 867 // the disassembled code is typically about 10x the code size so a fixed buffer 868 // sized to 20x code size plus a fixed amount for header info should be sufficient. 869 int bufferSize = cb->code_size() * 20 + 1024; 870 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize); 871 stringStream st(buffer, bufferSize); 872 if (cb->is_nmethod()) { 873 nmethod* nm = (nmethod*) cb; 874 if (!nm->is_alive()) { 875 return NULL; 876 } 877 } 878 Disassembler::decode(cb, &st); 879 if (st.size() <= 0) { 880 return NULL; 881 } 882 883 Handle result = java_lang_String::create_from_platform_dependent_str(st.as_string(), CHECK_NULL); 884 return JNIHandles::make_local(THREAD, result()); 885 C2V_END 886 887 C2V_VMENTRY(jobject, getStackTraceElement, (JNIEnv*, jobject, jobject jvmci_method, int bci)) 888 ResourceMark rm; 889 HandleMark hm; 890 891 methodHandle method = CompilerToVM::asMethod(jvmci_method); 892 oop element = java_lang_StackTraceElement::create(method, bci, CHECK_NULL); 893 return JNIHandles::make_local(THREAD, element); 894 C2V_END 895 896 C2V_VMENTRY(jobject, executeInstalledCode, (JNIEnv*, jobject, jobject args, jobject hotspotInstalledCode)) 897 ResourceMark rm; 898 HandleMark hm; 899 900 jlong nmethodValue = InstalledCode::address(hotspotInstalledCode); 901 if (nmethodValue == 0L) { 902 THROW_NULL(vmSymbols::jdk_vm_ci_code_InvalidInstalledCodeException()); 903 } 904 nmethod* nm = (nmethod*) (address) nmethodValue; 905 methodHandle mh = nm->method(); 906 Symbol* signature = mh->signature(); 907 JavaCallArguments jca(mh->size_of_parameters()); 908 909 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static()); 910 JavaValue result(jap.get_ret_type()); 911 jca.set_alternative_target(nm); 912 JavaCalls::call(&result, mh, &jca, CHECK_NULL); 913 914 if (jap.get_ret_type() == T_VOID) { 915 return NULL; 916 } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) { 917 return JNIHandles::make_local(THREAD, (oop) result.get_jobject()); 918 } else { 919 jvalue *value = (jvalue *) result.get_value_addr(); 920 // Narrow the value down if required (Important on big endian machines) 921 switch (jap.get_ret_type()) { 922 case T_BOOLEAN: 923 value->z = (jboolean) value->i; 924 break; 925 case T_BYTE: 926 value->b = (jbyte) value->i; 927 break; 928 case T_CHAR: 929 value->c = (jchar) value->i; 930 break; 931 case T_SHORT: 932 value->s = (jshort) value->i; 933 break; 934 } 935 oop o = java_lang_boxing_object::create(jap.get_ret_type(), value, CHECK_NULL); 936 return JNIHandles::make_local(THREAD, o); 937 } 938 C2V_END 939 940 C2V_VMENTRY(jlongArray, getLineNumberTable, (JNIEnv *, jobject, jobject jvmci_method)) 941 Method* method = CompilerToVM::asMethod(jvmci_method); 942 if (!method->has_linenumber_table()) { 943 return NULL; 944 } 945 u2 num_entries = 0; 946 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table()); 947 while (streamForSize.read_pair()) { 948 num_entries++; 949 } 950 951 CompressedLineNumberReadStream stream(method->compressed_linenumber_table()); 952 typeArrayOop result = oopFactory::new_longArray(2 * num_entries, CHECK_NULL); 953 954 int i = 0; 955 jlong value; 956 while (stream.read_pair()) { 957 value = ((long) stream.bci()); 958 result->long_at_put(i, value); 959 value = ((long) stream.line()); 960 result->long_at_put(i + 1, value); 961 i += 2; 962 } 963 964 return (jlongArray) JNIHandles::make_local(THREAD, result); 965 C2V_END 966 967 C2V_VMENTRY(jlong, getLocalVariableTableStart, (JNIEnv *, jobject, jobject jvmci_method)) 968 ResourceMark rm; 969 Method* method = CompilerToVM::asMethod(jvmci_method); 970 if (!method->has_localvariable_table()) { 971 return 0; 972 } 973 return (jlong) (address) method->localvariable_table_start(); 974 C2V_END 975 976 C2V_VMENTRY(jint, getLocalVariableTableLength, (JNIEnv *, jobject, jobject jvmci_method)) 977 ResourceMark rm; 978 Method* method = CompilerToVM::asMethod(jvmci_method); 979 return method->localvariable_table_length(); 980 C2V_END 981 982 C2V_VMENTRY(void, reprofile, (JNIEnv*, jobject, jobject jvmci_method)) 983 Method* method = CompilerToVM::asMethod(jvmci_method); 984 MethodCounters* mcs = method->method_counters(); 985 if (mcs != NULL) { 986 mcs->clear_counters(); 987 } 988 NOT_PRODUCT(method->set_compiled_invocation_count(0)); 989 990 nmethod* code = method->code(); 991 if (code != NULL) { 992 code->make_not_entrant(); 993 } 994 995 MethodData* method_data = method->method_data(); 996 if (method_data == NULL) { 997 ClassLoaderData* loader_data = method->method_holder()->class_loader_data(); 998 method_data = MethodData::allocate(loader_data, method, CHECK); 999 method->set_method_data(method_data); 1000 } else { 1001 method_data->initialize(); 1002 } 1003 C2V_END 1004 1005 1006 C2V_VMENTRY(void, invalidateInstalledCode, (JNIEnv*, jobject, jobject installed_code)) 1007 Handle installed_code_handle = JNIHandles::resolve(installed_code); 1008 nmethod::invalidate_installed_code(installed_code_handle, CHECK); 1009 C2V_END 1010 1011 C2V_VMENTRY(jobject, readUncompressedOop, (JNIEnv*, jobject, jlong addr)) 1012 oop ret = oopDesc::load_decode_heap_oop((oop*)(address)addr); 1013 return JNIHandles::make_local(THREAD, ret); 1014 C2V_END 1015 1016 C2V_VMENTRY(jlongArray, collectCounters, (JNIEnv*, jobject)) 1017 typeArrayOop arrayOop = oopFactory::new_longArray(JVMCICounterSize, CHECK_NULL); 1018 JavaThread::collect_counters(arrayOop); 1019 return (jlongArray) JNIHandles::make_local(THREAD, arrayOop); 1020 C2V_END 1021 1022 C2V_VMENTRY(int, allocateCompileId, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci)) 1023 HandleMark hm; 1024 ResourceMark rm; 1025 if (JNIHandles::resolve(jvmci_method) == NULL) { 1026 THROW_0(vmSymbols::java_lang_NullPointerException()); 1027 } 1028 Method* method = CompilerToVM::asMethod(jvmci_method); 1029 if (entry_bci >= method->code_size() || entry_bci < -1) { 1030 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Unexpected bci %d", entry_bci)); 1031 } 1032 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci); 1033 C2V_END 1034 1035 1036 C2V_VMENTRY(jboolean, isMature, (JNIEnv*, jobject, jlong metaspace_method_data)) 1037 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data); 1038 return mdo != NULL && mdo->is_mature(); 1039 C2V_END 1040 1041 C2V_VMENTRY(jboolean, hasCompiledCodeForOSR, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci, int comp_level)) 1042 Method* method = CompilerToVM::asMethod(jvmci_method); 1043 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL; 1044 C2V_END 1045 1046 C2V_VMENTRY(jobject, getSymbol, (JNIEnv*, jobject, jlong symbol)) 1047 Handle sym = java_lang_String::create_from_symbol((Symbol*)(address)symbol, CHECK_NULL); 1048 return JNIHandles::make_local(THREAD, sym()); 1049 C2V_END 1050 1051 bool matches(jobjectArray methods, Method* method) { 1052 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods); 1053 1054 for (int i = 0; i < methods_oop->length(); i++) { 1055 oop resolved = methods_oop->obj_at(i); 1056 if (resolved->is_a(HotSpotResolvedJavaMethodImpl::klass()) && CompilerToVM::asMethod(resolved) == method) { 1057 return true; 1058 } 1059 } 1060 return false; 1061 } 1062 1063 C2V_VMENTRY(jobject, getNextStackFrame, (JNIEnv*, jobject compilerToVM, jobject hs_frame, jobjectArray methods, jint initialSkip)) 1064 ResourceMark rm; 1065 1066 if (!thread->has_last_Java_frame()) return NULL; 1067 Handle result = HotSpotStackFrameReference::klass()->allocate_instance(thread); 1068 HotSpotStackFrameReference::klass()->initialize(thread); 1069 1070 StackFrameStream fst(thread); 1071 if (hs_frame != NULL) { 1072 // look for the correct stack frame if one is given 1073 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame); 1074 while (fst.current()->sp() != stack_pointer && !fst.is_done()) { 1075 fst.next(); 1076 } 1077 if (fst.current()->sp() != stack_pointer) { 1078 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found") 1079 } 1080 } 1081 1082 int frame_number = 0; 1083 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); 1084 if (hs_frame != NULL) { 1085 // look for the correct vframe within the stack frame if one is given 1086 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame); 1087 while (frame_number < last_frame_number) { 1088 if (vf->is_top()) { 1089 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "invalid frame number") 1090 } 1091 vf = vf->sender(); 1092 frame_number ++; 1093 } 1094 // move one frame forward 1095 if (vf->is_top()) { 1096 if (fst.is_done()) { 1097 return NULL; 1098 } 1099 fst.next(); 1100 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); 1101 frame_number = 0; 1102 } else { 1103 vf = vf->sender(); 1104 frame_number++; 1105 } 1106 } 1107 1108 while (true) { 1109 // look for the given method 1110 while (true) { 1111 StackValueCollection* locals = NULL; 1112 if (vf->is_compiled_frame()) { 1113 // compiled method frame 1114 compiledVFrame* cvf = compiledVFrame::cast(vf); 1115 if (methods == NULL || matches(methods, cvf->method())) { 1116 if (initialSkip > 0) { 1117 initialSkip --; 1118 } else { 1119 ScopeDesc* scope = cvf->scope(); 1120 // native wrapper do not have a scope 1121 if (scope != NULL && scope->objects() != NULL) { 1122 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), scope->objects(), THREAD); 1123 Deoptimization::reassign_fields(fst.current(), fst.register_map(), scope->objects(), realloc_failures, false); 1124 1125 GrowableArray<ScopeValue*>* local_values = scope->locals(); 1126 typeArrayHandle array = oopFactory::new_boolArray(local_values->length(), thread); 1127 for (int i = 0; i < local_values->length(); i++) { 1128 ScopeValue* value = local_values->at(i); 1129 if (value->is_object()) { 1130 array->bool_at_put(i, true); 1131 } 1132 } 1133 HotSpotStackFrameReference::set_localIsVirtual(result, array()); 1134 } else { 1135 HotSpotStackFrameReference::set_localIsVirtual(result, NULL); 1136 } 1137 1138 locals = cvf->locals(); 1139 HotSpotStackFrameReference::set_bci(result, cvf->bci()); 1140 oop method = CompilerToVM::get_jvmci_method(cvf->method(), CHECK_NULL); 1141 HotSpotStackFrameReference::set_method(result, method); 1142 } 1143 } 1144 } else if (vf->is_interpreted_frame()) { 1145 // interpreted method frame 1146 interpretedVFrame* ivf = interpretedVFrame::cast(vf); 1147 if (methods == NULL || matches(methods, ivf->method())) { 1148 if (initialSkip > 0) { 1149 initialSkip --; 1150 } else { 1151 locals = ivf->locals(); 1152 HotSpotStackFrameReference::set_bci(result, ivf->bci()); 1153 oop method = CompilerToVM::get_jvmci_method(ivf->method(), CHECK_NULL); 1154 HotSpotStackFrameReference::set_method(result, method); 1155 HotSpotStackFrameReference::set_localIsVirtual(result, NULL); 1156 } 1157 } 1158 } 1159 1160 // locals != NULL means that we found a matching frame and result is already partially initialized 1161 if (locals != NULL) { 1162 HotSpotStackFrameReference::set_compilerToVM(result, JNIHandles::resolve(compilerToVM)); 1163 HotSpotStackFrameReference::set_stackPointer(result, (jlong) fst.current()->sp()); 1164 HotSpotStackFrameReference::set_frameNumber(result, frame_number); 1165 1166 // initialize the locals array 1167 objArrayHandle array = oopFactory::new_objectArray(locals->size(), thread); 1168 for (int i = 0; i < locals->size(); i++) { 1169 StackValue* var = locals->at(i); 1170 if (var->type() == T_OBJECT) { 1171 array->obj_at_put(i, locals->at(i)->get_obj()()); 1172 } 1173 } 1174 HotSpotStackFrameReference::set_locals(result, array()); 1175 1176 return JNIHandles::make_local(thread, result()); 1177 } 1178 1179 if (vf->is_top()) { 1180 break; 1181 } 1182 frame_number++; 1183 vf = vf->sender(); 1184 } // end of vframe loop 1185 1186 if (fst.is_done()) { 1187 break; 1188 } 1189 fst.next(); 1190 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); 1191 frame_number = 0; 1192 } // end of frame loop 1193 1194 // the end was reached without finding a matching method 1195 return NULL; 1196 C2V_END 1197 1198 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 1199 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 1200 CallInfo callInfo; 1201 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK); 1202 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index); 1203 cp_cache_entry->set_dynamic_call(cp, callInfo); 1204 C2V_END 1205 1206 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 1207 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 1208 CallInfo callInfo; 1209 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK); 1210 ConstantPoolCacheEntry* cp_cache_entry = cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index)); 1211 cp_cache_entry->set_method_handle(cp, callInfo); 1212 C2V_END 1213 1214 C2V_VMENTRY(jboolean, shouldDebugNonSafepoints, (JNIEnv*, jobject)) 1215 //see compute_recording_non_safepoints in debugInfroRec.cpp 1216 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) { 1217 return true; 1218 } 1219 return DebugNonSafepoints; 1220 C2V_END 1221 1222 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate); 1223 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv*, jobject, jobject hs_frame, bool invalidate)) 1224 ResourceMark rm; 1225 1226 if (hs_frame == NULL) { 1227 THROW_MSG(vmSymbols::java_lang_NullPointerException(), "stack frame is null") 1228 } 1229 1230 HotSpotStackFrameReference::klass()->initialize(thread); 1231 1232 // look for the given stack frame 1233 StackFrameStream fst(thread); 1234 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame); 1235 while (fst.current()->sp() != stack_pointer && !fst.is_done()) { 1236 fst.next(); 1237 } 1238 if (fst.current()->sp() != stack_pointer) { 1239 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found") 1240 } 1241 1242 if (invalidate) { 1243 if (!fst.current()->is_compiled_frame()) { 1244 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected") 1245 } 1246 assert(fst.current()->cb()->is_nmethod(), "nmethod expected"); 1247 ((nmethod*) fst.current()->cb())->make_not_entrant(); 1248 } 1249 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none); 1250 // look for the frame again as it has been updated by deopt (pc, deopt state...) 1251 StackFrameStream fstAfterDeopt(thread); 1252 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) { 1253 fstAfterDeopt.next(); 1254 } 1255 if (fstAfterDeopt.current()->sp() != stack_pointer) { 1256 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt") 1257 } 1258 1259 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread); 1260 if (!vf->is_compiled_frame()) { 1261 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected") 1262 } 1263 1264 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10); 1265 while (true) { 1266 assert(vf->is_compiled_frame(), "Wrong frame type"); 1267 virtualFrames->push(compiledVFrame::cast(vf)); 1268 if (vf->is_top()) { 1269 break; 1270 } 1271 vf = vf->sender(); 1272 } 1273 1274 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame); 1275 if (last_frame_number >= virtualFrames->length()) { 1276 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "invalid frame number") 1277 } 1278 1279 // Reallocate the non-escaping objects and restore their fields. 1280 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope"); 1281 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects(); 1282 1283 if (objects == NULL) { 1284 // no objects to materialize 1285 return; 1286 } 1287 1288 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), objects, THREAD); 1289 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false); 1290 1291 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) { 1292 compiledVFrame* cvf = virtualFrames->at(frame_index); 1293 1294 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals(); 1295 StackValueCollection* locals = cvf->locals(); 1296 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 1309 // all locals are materialized by now 1310 HotSpotStackFrameReference::set_localIsVirtual(hs_frame, NULL); 1311 1312 // update the locals array 1313 objArrayHandle array = HotSpotStackFrameReference::locals(hs_frame); 1314 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals(); 1315 for (int i = 0; i < locals->size(); i++) { 1316 StackValue* var = locals->at(i); 1317 if (var->type() == T_OBJECT) { 1318 array->obj_at_put(i, locals->at(i)->get_obj()()); 1319 } 1320 } 1321 C2V_END 1322 1323 C2V_VMENTRY(void, writeDebugOutput, (JNIEnv*, jobject, jbyteArray bytes, jint offset, jint length)) 1324 if (bytes == NULL) { 1325 THROW(vmSymbols::java_lang_NullPointerException()); 1326 } 1327 typeArrayOop array = (typeArrayOop) JNIHandles::resolve(bytes); 1328 1329 // Check if offset and length are non negative. 1330 if (offset < 0 || length < 0) { 1331 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); 1332 } 1333 // Check if the range is valid. 1334 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array->length())) { 1335 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); 1336 } 1337 while (length > 0) { 1338 jbyte* start = array->byte_at_addr(offset); 1339 tty->write((char*) start, MIN2(length, O_BUFLEN)); 1340 length -= O_BUFLEN; 1341 offset += O_BUFLEN; 1342 } 1343 C2V_END 1344 1345 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv*, jobject)) 1346 tty->flush(); 1347 C2V_END 1348 1349 C2V_VMENTRY(int, methodDataProfileDataSize, (JNIEnv*, jobject, jlong metaspace_method_data, jint position)) 1350 ResourceMark rm; 1351 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data); 1352 ProfileData* profile_data = mdo->data_at(position); 1353 if (mdo->is_valid(profile_data)) { 1354 return profile_data->size_in_bytes(); 1355 } 1356 DataLayout* data = mdo->extra_data_base(); 1357 DataLayout* end = mdo->extra_data_limit(); 1358 for (;; data = mdo->next_extra(data)) { 1359 assert(data < end, "moved past end of extra data"); 1360 profile_data = data->data_in(); 1361 if (mdo->dp_to_di(profile_data->dp()) == position) { 1362 return profile_data->size_in_bytes(); 1363 } 1364 } 1365 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Invalid profile data position %d", position)); 1366 C2V_END 1367 1368 C2V_VMENTRY(int, interpreterFrameSize, (JNIEnv*, jobject, jobject bytecode_frame_handle)) 1369 if (bytecode_frame_handle == NULL) { 1370 THROW_0(vmSymbols::java_lang_NullPointerException()); 1371 } 1372 1373 oop top_bytecode_frame = JNIHandles::resolve_non_null(bytecode_frame_handle); 1374 oop bytecode_frame = top_bytecode_frame; 1375 int size = 0; 1376 int callee_parameters = 0; 1377 int callee_locals = 0; 1378 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame)); 1379 int extra_args = method->max_stack() - BytecodeFrame::numStack(bytecode_frame); 1380 1381 while (bytecode_frame != NULL) { 1382 int locks = BytecodeFrame::numLocks(bytecode_frame); 1383 int temps = BytecodeFrame::numStack(bytecode_frame); 1384 bool is_top_frame = (bytecode_frame == top_bytecode_frame); 1385 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame)); 1386 1387 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(), 1388 temps + callee_parameters, 1389 extra_args, 1390 locks, 1391 callee_parameters, 1392 callee_locals, 1393 is_top_frame); 1394 size += frame_size; 1395 1396 callee_parameters = method->size_of_parameters(); 1397 callee_locals = method->max_locals(); 1398 extra_args = 0; 1399 bytecode_frame = BytecodePosition::caller(bytecode_frame); 1400 } 1401 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord; 1402 C2V_END 1403 1404 1405 #define CC (char*) /*cast a literal from (const char*)*/ 1406 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f)) 1407 1408 #define STRING "Ljava/lang/String;" 1409 #define OBJECT "Ljava/lang/Object;" 1410 #define CLASS "Ljava/lang/Class;" 1411 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;" 1412 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;" 1413 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;" 1414 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;" 1415 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;" 1416 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;" 1417 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;" 1418 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;" 1419 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;" 1420 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;" 1421 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;" 1422 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;" 1423 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;" 1424 #define METASPACE_METHOD_DATA "J" 1425 1426 JNINativeMethod CompilerToVM::methods[] = { 1427 {CC"getBytecode", CC"("HS_RESOLVED_METHOD")[B", FN_PTR(getBytecode)}, 1428 {CC"getExceptionTableStart", CC"("HS_RESOLVED_METHOD")J", FN_PTR(getExceptionTableStart)}, 1429 {CC"getExceptionTableLength", CC"("HS_RESOLVED_METHOD")I", FN_PTR(getExceptionTableLength)}, 1430 {CC"findUniqueConcreteMethod", CC"("HS_RESOLVED_KLASS HS_RESOLVED_METHOD")"HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)}, 1431 {CC"getImplementor", CC"("HS_RESOLVED_KLASS")"HS_RESOLVED_KLASS, FN_PTR(getImplementor)}, 1432 {CC"getStackTraceElement", CC"("HS_RESOLVED_METHOD"I)"STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)}, 1433 {CC"methodIsIgnoredBySecurityStackWalk", CC"("HS_RESOLVED_METHOD")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)}, 1434 {CC"doNotInlineOrCompile", CC"("HS_RESOLVED_METHOD")V", FN_PTR(doNotInlineOrCompile)}, 1435 {CC"canInlineMethod", CC"("HS_RESOLVED_METHOD")Z", FN_PTR(canInlineMethod)}, 1436 {CC"shouldInlineMethod", CC"("HS_RESOLVED_METHOD")Z", FN_PTR(shouldInlineMethod)}, 1437 {CC"lookupType", CC"("STRING CLASS"Z)"HS_RESOLVED_KLASS, FN_PTR(lookupType)}, 1438 {CC"lookupNameInPool", CC"("HS_CONSTANT_POOL"I)"STRING, FN_PTR(lookupNameInPool)}, 1439 {CC"lookupNameAndTypeRefIndexInPool", CC"("HS_CONSTANT_POOL"I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)}, 1440 {CC"lookupSignatureInPool", CC"("HS_CONSTANT_POOL"I)"STRING, FN_PTR(lookupSignatureInPool)}, 1441 {CC"lookupKlassRefIndexInPool", CC"("HS_CONSTANT_POOL"I)I", FN_PTR(lookupKlassRefIndexInPool)}, 1442 {CC"lookupKlassInPool", CC"("HS_CONSTANT_POOL"I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)}, 1443 {CC"lookupAppendixInPool", CC"("HS_CONSTANT_POOL"I)"OBJECT, FN_PTR(lookupAppendixInPool)}, 1444 {CC"lookupMethodInPool", CC"("HS_CONSTANT_POOL"IB)"HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)}, 1445 {CC"constantPoolRemapInstructionOperandFromCache", CC"("HS_CONSTANT_POOL"I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)}, 1446 {CC"resolveConstantInPool", CC"("HS_CONSTANT_POOL"I)"OBJECT, FN_PTR(resolveConstantInPool)}, 1447 {CC"resolvePossiblyCachedConstantInPool", CC"("HS_CONSTANT_POOL"I)"OBJECT, FN_PTR(resolvePossiblyCachedConstantInPool)}, 1448 {CC"resolveTypeInPool", CC"("HS_CONSTANT_POOL"I)"HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)}, 1449 {CC"resolveFieldInPool", CC"("HS_CONSTANT_POOL"IB[J)"HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)}, 1450 {CC"resolveInvokeDynamicInPool", CC"("HS_CONSTANT_POOL"I)V", FN_PTR(resolveInvokeDynamicInPool)}, 1451 {CC"resolveInvokeHandleInPool", CC"("HS_CONSTANT_POOL"I)V", FN_PTR(resolveInvokeHandleInPool)}, 1452 {CC"resolveMethod", CC"("HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS")"HS_RESOLVED_METHOD, FN_PTR(resolveMethod)}, 1453 {CC"getVtableIndexForInterfaceMethod", CC"("HS_RESOLVED_KLASS HS_RESOLVED_METHOD")I", FN_PTR(getVtableIndexForInterfaceMethod)}, 1454 {CC"getClassInitializer", CC"("HS_RESOLVED_KLASS")"HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)}, 1455 {CC"hasFinalizableSubclass", CC"("HS_RESOLVED_KLASS")Z", FN_PTR(hasFinalizableSubclass)}, 1456 {CC"getMaxCallTargetOffset", CC"(J)J", FN_PTR(getMaxCallTargetOffset)}, 1457 {CC"getResolvedJavaMethodAtSlot", CC"("CLASS"I)"HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethodAtSlot)}, 1458 {CC"getResolvedJavaMethod", CC"(Ljava/lang/Object;J)"HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)}, 1459 {CC"getConstantPool", CC"(Ljava/lang/Object;J)"HS_CONSTANT_POOL, FN_PTR(getConstantPool)}, 1460 {CC"getResolvedJavaType", CC"(Ljava/lang/Object;JZ)"HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType)}, 1461 {CC"initializeConfiguration", CC"("HS_CONFIG")J", FN_PTR(initializeConfiguration)}, 1462 {CC"installCode", CC"("TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE HS_SPECULATION_LOG")I", FN_PTR(installCode)}, 1463 {CC"getMetadata", CC"("TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA")I", FN_PTR(getMetadata)}, 1464 {CC"resetCompilationStatistics", CC"()V", FN_PTR(resetCompilationStatistics)}, 1465 {CC"disassembleCodeBlob", CC"("INSTALLED_CODE")"STRING, FN_PTR(disassembleCodeBlob)}, 1466 {CC"executeInstalledCode", CC"(["OBJECT INSTALLED_CODE")"OBJECT, FN_PTR(executeInstalledCode)}, 1467 {CC"getLineNumberTable", CC"("HS_RESOLVED_METHOD")[J", FN_PTR(getLineNumberTable)}, 1468 {CC"getLocalVariableTableStart", CC"("HS_RESOLVED_METHOD")J", FN_PTR(getLocalVariableTableStart)}, 1469 {CC"getLocalVariableTableLength", CC"("HS_RESOLVED_METHOD")I", FN_PTR(getLocalVariableTableLength)}, 1470 {CC"reprofile", CC"("HS_RESOLVED_METHOD")V", FN_PTR(reprofile)}, 1471 {CC"invalidateInstalledCode", CC"("INSTALLED_CODE")V", FN_PTR(invalidateInstalledCode)}, 1472 {CC"readUncompressedOop", CC"(J)"OBJECT, FN_PTR(readUncompressedOop)}, 1473 {CC"collectCounters", CC"()[J", FN_PTR(collectCounters)}, 1474 {CC"allocateCompileId", CC"("HS_RESOLVED_METHOD"I)I", FN_PTR(allocateCompileId)}, 1475 {CC"isMature", CC"("METASPACE_METHOD_DATA")Z", FN_PTR(isMature)}, 1476 {CC"hasCompiledCodeForOSR", CC"("HS_RESOLVED_METHOD"II)Z", FN_PTR(hasCompiledCodeForOSR)}, 1477 {CC"getSymbol", CC"(J)"STRING, FN_PTR(getSymbol)}, 1478 {CC"getNextStackFrame", CC"("HS_STACK_FRAME_REF "["RESOLVED_METHOD"I)"HS_STACK_FRAME_REF, FN_PTR(getNextStackFrame)}, 1479 {CC"materializeVirtualObjects", CC"("HS_STACK_FRAME_REF"Z)V", FN_PTR(materializeVirtualObjects)}, 1480 {CC"shouldDebugNonSafepoints", CC"()Z", FN_PTR(shouldDebugNonSafepoints)}, 1481 {CC"writeDebugOutput", CC"([BII)V", FN_PTR(writeDebugOutput)}, 1482 {CC"flushDebugOutput", CC"()V", FN_PTR(flushDebugOutput)}, 1483 {CC"methodDataProfileDataSize", CC"(JI)I", FN_PTR(methodDataProfileDataSize)}, 1484 {CC"interpreterFrameSize", CC"("BYTECODE_FRAME")I", FN_PTR(interpreterFrameSize)}, 1485 }; 1486 1487 int CompilerToVM::methods_count() { 1488 return sizeof(methods) / sizeof(JNINativeMethod); 1489 } 1490