1 /* 2 * Copyright (c) 2011, 2017, 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 "memory/resourceArea.hpp" 31 #include "oops/generateOopMap.hpp" 32 #include "oops/fieldStreams.hpp" 33 #include "oops/oop.inline.hpp" 34 #include "oops/objArrayOop.inline.hpp" 35 #include "runtime/fieldDescriptor.hpp" 36 #include "runtime/javaCalls.hpp" 37 #include "jvmci/jvmciRuntime.hpp" 38 #include "compiler/abstractCompiler.hpp" 39 #include "compiler/compileBroker.hpp" 40 #include "compiler/compilerOracle.hpp" 41 #include "compiler/disassembler.hpp" 42 #include "compiler/oopMap.hpp" 43 #include "jvmci/jvmciCompilerToVM.hpp" 44 #include "jvmci/jvmciCompiler.hpp" 45 #include "jvmci/jvmciEnv.hpp" 46 #include "jvmci/jvmciJavaClasses.hpp" 47 #include "jvmci/jvmciCodeInstaller.hpp" 48 #include "jvmci/vmStructs_jvmci.hpp" 49 #include "gc/g1/heapRegion.hpp" 50 #include "runtime/javaCalls.hpp" 51 #include "runtime/deoptimization.hpp" 52 #include "runtime/timerTrace.hpp" 53 #include "runtime/vframe.hpp" 54 #include "runtime/vframe_hp.hpp" 55 #include "runtime/vmStructs.hpp" 56 #include "utilities/resourceHash.hpp" 57 58 59 void JNIHandleMark::push_jni_handle_block() { 60 JavaThread* thread = JavaThread::current(); 61 if (thread != NULL) { 62 // Allocate a new block for JNI handles. 63 // Inlined code from jni_PushLocalFrame() 64 JNIHandleBlock* java_handles = ((JavaThread*)thread)->active_handles(); 65 JNIHandleBlock* compile_handles = JNIHandleBlock::allocate_block(thread); 66 assert(compile_handles != NULL && java_handles != NULL, "should not be NULL"); 67 compile_handles->set_pop_frame_link(java_handles); 68 thread->set_active_handles(compile_handles); 69 } 70 } 71 72 void JNIHandleMark::pop_jni_handle_block() { 73 JavaThread* thread = JavaThread::current(); 74 if (thread != NULL) { 75 // Release our JNI handle block 76 JNIHandleBlock* compile_handles = thread->active_handles(); 77 JNIHandleBlock* java_handles = compile_handles->pop_frame_link(); 78 thread->set_active_handles(java_handles); 79 compile_handles->set_pop_frame_link(NULL); 80 JNIHandleBlock::release_block(compile_handles, thread); // may block 81 } 82 } 83 84 // Entry to native method implementation that transitions current thread to '_thread_in_vm'. 85 #define C2V_VMENTRY(result_type, name, signature) \ 86 JNIEXPORT result_type JNICALL c2v_ ## name signature { \ 87 TRACE_jvmci_1("CompilerToVM::" #name); \ 88 TRACE_CALL(result_type, jvmci_ ## name signature) \ 89 JVMCI_VM_ENTRY_MARK; \ 90 91 #define C2V_END } 92 93 oop CompilerToVM::get_jvmci_method(const methodHandle& method, TRAPS) { 94 if (method() != NULL) { 95 JavaValue result(T_OBJECT); 96 JavaCallArguments args; 97 args.push_long((jlong) (address) method()); 98 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedJavaMethodImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::method_fromMetaspace_signature(), &args, CHECK_NULL); 99 100 return (oop)result.get_jobject(); 101 } 102 return NULL; 103 } 104 105 oop CompilerToVM::get_jvmci_type(Klass* klass, TRAPS) { 106 if (klass != NULL) { 107 JavaValue result(T_OBJECT); 108 JavaCallArguments args; 109 args.push_oop(Handle(THREAD, klass->java_mirror())); 110 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedObjectTypeImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::klass_fromMetaspace_signature(), &args, CHECK_NULL); 111 112 return (oop)result.get_jobject(); 113 } 114 return NULL; 115 } 116 117 118 int CompilerToVM::Data::Klass_vtable_start_offset; 119 int CompilerToVM::Data::Klass_vtable_length_offset; 120 121 int CompilerToVM::Data::Method_extra_stack_entries; 122 123 address CompilerToVM::Data::SharedRuntime_ic_miss_stub; 124 address CompilerToVM::Data::SharedRuntime_handle_wrong_method_stub; 125 address CompilerToVM::Data::SharedRuntime_deopt_blob_unpack; 126 address CompilerToVM::Data::SharedRuntime_deopt_blob_uncommon_trap; 127 128 size_t CompilerToVM::Data::ThreadLocalAllocBuffer_alignment_reserve; 129 130 CollectedHeap* CompilerToVM::Data::Universe_collectedHeap; 131 int CompilerToVM::Data::Universe_base_vtable_size; 132 address CompilerToVM::Data::Universe_narrow_oop_base; 133 int CompilerToVM::Data::Universe_narrow_oop_shift; 134 address CompilerToVM::Data::Universe_narrow_klass_base; 135 int CompilerToVM::Data::Universe_narrow_klass_shift; 136 void* CompilerToVM::Data::Universe_non_oop_bits; 137 uintptr_t CompilerToVM::Data::Universe_verify_oop_mask; 138 uintptr_t CompilerToVM::Data::Universe_verify_oop_bits; 139 140 bool CompilerToVM::Data::_supports_inline_contig_alloc; 141 HeapWord** CompilerToVM::Data::_heap_end_addr; 142 HeapWord* volatile* CompilerToVM::Data::_heap_top_addr; 143 int CompilerToVM::Data::_max_oop_map_stack_offset; 144 145 jbyte* CompilerToVM::Data::cardtable_start_address; 146 int CompilerToVM::Data::cardtable_shift; 147 148 int CompilerToVM::Data::vm_page_size; 149 150 int CompilerToVM::Data::sizeof_vtableEntry = sizeof(vtableEntry); 151 int CompilerToVM::Data::sizeof_ExceptionTableElement = sizeof(ExceptionTableElement); 152 int CompilerToVM::Data::sizeof_LocalVariableTableElement = sizeof(LocalVariableTableElement); 153 int CompilerToVM::Data::sizeof_ConstantPool = sizeof(ConstantPool); 154 int CompilerToVM::Data::sizeof_SymbolPointer = sizeof(Symbol*); 155 int CompilerToVM::Data::sizeof_narrowKlass = sizeof(narrowKlass); 156 int CompilerToVM::Data::sizeof_arrayOopDesc = sizeof(arrayOopDesc); 157 int CompilerToVM::Data::sizeof_BasicLock = sizeof(BasicLock); 158 159 address CompilerToVM::Data::dsin; 160 address CompilerToVM::Data::dcos; 161 address CompilerToVM::Data::dtan; 162 address CompilerToVM::Data::dexp; 163 address CompilerToVM::Data::dlog; 164 address CompilerToVM::Data::dlog10; 165 address CompilerToVM::Data::dpow; 166 167 address CompilerToVM::Data::symbol_init; 168 address CompilerToVM::Data::symbol_clinit; 169 170 void CompilerToVM::Data::initialize(TRAPS) { 171 Klass_vtable_start_offset = in_bytes(Klass::vtable_start_offset()); 172 Klass_vtable_length_offset = in_bytes(Klass::vtable_length_offset()); 173 174 Method_extra_stack_entries = Method::extra_stack_entries(); 175 176 SharedRuntime_ic_miss_stub = SharedRuntime::get_ic_miss_stub(); 177 SharedRuntime_handle_wrong_method_stub = SharedRuntime::get_handle_wrong_method_stub(); 178 SharedRuntime_deopt_blob_unpack = SharedRuntime::deopt_blob()->unpack(); 179 SharedRuntime_deopt_blob_uncommon_trap = SharedRuntime::deopt_blob()->uncommon_trap(); 180 181 ThreadLocalAllocBuffer_alignment_reserve = ThreadLocalAllocBuffer::alignment_reserve(); 182 183 Universe_collectedHeap = Universe::heap(); 184 Universe_base_vtable_size = Universe::base_vtable_size(); 185 Universe_narrow_oop_base = Universe::narrow_oop_base(); 186 Universe_narrow_oop_shift = Universe::narrow_oop_shift(); 187 Universe_narrow_klass_base = Universe::narrow_klass_base(); 188 Universe_narrow_klass_shift = Universe::narrow_klass_shift(); 189 Universe_non_oop_bits = Universe::non_oop_word(); 190 Universe_verify_oop_mask = Universe::verify_oop_mask(); 191 Universe_verify_oop_bits = Universe::verify_oop_bits(); 192 193 _supports_inline_contig_alloc = Universe::heap()->supports_inline_contig_alloc(); 194 _heap_end_addr = _supports_inline_contig_alloc ? Universe::heap()->end_addr() : (HeapWord**) -1; 195 _heap_top_addr = _supports_inline_contig_alloc ? Universe::heap()->top_addr() : (HeapWord* volatile*) -1; 196 197 _max_oop_map_stack_offset = (OopMapValue::register_mask - VMRegImpl::stack2reg(0)->value()) * VMRegImpl::stack_slot_size; 198 int max_oop_map_stack_index = _max_oop_map_stack_offset / VMRegImpl::stack_slot_size; 199 assert(OopMapValue::legal_vm_reg_name(VMRegImpl::stack2reg(max_oop_map_stack_index)), "should be valid"); 200 assert(!OopMapValue::legal_vm_reg_name(VMRegImpl::stack2reg(max_oop_map_stack_index + 1)), "should be invalid"); 201 202 symbol_init = (address) vmSymbols::object_initializer_name(); 203 symbol_clinit = (address) vmSymbols::class_initializer_name(); 204 205 BarrierSet* bs = Universe::heap()->barrier_set(); 206 if (bs->is_a(BarrierSet::CardTableModRef)) { 207 jbyte* base = barrier_set_cast<CardTableModRefBS>(bs)->byte_map_base; 208 assert(base != 0, "unexpected byte_map_base"); 209 cardtable_start_address = base; 210 cardtable_shift = CardTableModRefBS::card_shift; 211 } else { 212 // No card mark barriers 213 cardtable_start_address = 0; 214 cardtable_shift = 0; 215 } 216 217 vm_page_size = os::vm_page_size(); 218 219 #define SET_TRIGFUNC(name) \ 220 if (StubRoutines::name() != NULL) { \ 221 name = StubRoutines::name(); \ 222 } else { \ 223 name = CAST_FROM_FN_PTR(address, SharedRuntime::name); \ 224 } 225 226 SET_TRIGFUNC(dsin); 227 SET_TRIGFUNC(dcos); 228 SET_TRIGFUNC(dtan); 229 SET_TRIGFUNC(dexp); 230 SET_TRIGFUNC(dlog10); 231 SET_TRIGFUNC(dlog); 232 SET_TRIGFUNC(dpow); 233 234 #undef SET_TRIGFUNC 235 } 236 237 objArrayHandle CompilerToVM::initialize_intrinsics(TRAPS) { 238 objArrayHandle vmIntrinsics = oopFactory::new_objArray_handle(VMIntrinsicMethod::klass(), (vmIntrinsics::ID_LIMIT - 1), CHECK_(objArrayHandle())); 239 int index = 0; 240 // The intrinsics for a class are usually adjacent to each other. 241 // When they are, the string for the class name can be reused. 242 vmSymbols::SID kls_sid = vmSymbols::NO_SID; 243 Handle kls_str; 244 #define SID_ENUM(n) vmSymbols::VM_SYMBOL_ENUM_NAME(n) 245 #define VM_SYMBOL_TO_STRING(s) \ 246 java_lang_String::create_from_symbol(vmSymbols::symbol_at(SID_ENUM(s)), CHECK_(objArrayHandle())) 247 #define VM_INTRINSIC_INFO(id, kls, name, sig, ignore_fcode) { \ 248 instanceHandle vmIntrinsicMethod = InstanceKlass::cast(VMIntrinsicMethod::klass())->allocate_instance_handle(CHECK_(objArrayHandle())); \ 249 if (kls_sid != SID_ENUM(kls)) { \ 250 kls_str = VM_SYMBOL_TO_STRING(kls); \ 251 kls_sid = SID_ENUM(kls); \ 252 } \ 253 Handle name_str = VM_SYMBOL_TO_STRING(name); \ 254 Handle sig_str = VM_SYMBOL_TO_STRING(sig); \ 255 VMIntrinsicMethod::set_declaringClass(vmIntrinsicMethod, kls_str()); \ 256 VMIntrinsicMethod::set_name(vmIntrinsicMethod, name_str()); \ 257 VMIntrinsicMethod::set_descriptor(vmIntrinsicMethod, sig_str()); \ 258 VMIntrinsicMethod::set_id(vmIntrinsicMethod, vmIntrinsics::id); \ 259 vmIntrinsics->obj_at_put(index++, vmIntrinsicMethod()); \ 260 } 261 262 VM_INTRINSICS_DO(VM_INTRINSIC_INFO, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE) 263 #undef SID_ENUM 264 #undef VM_SYMBOL_TO_STRING 265 #undef VM_INTRINSIC_INFO 266 assert(index == vmIntrinsics::ID_LIMIT - 1, "must be"); 267 268 return vmIntrinsics; 269 } 270 271 /** 272 * The set of VM flags known to be used. 273 */ 274 #define PREDEFINED_CONFIG_FLAGS(do_bool_flag, do_intx_flag, do_uintx_flag) \ 275 do_intx_flag(AllocateInstancePrefetchLines) \ 276 do_intx_flag(AllocatePrefetchDistance) \ 277 do_intx_flag(AllocatePrefetchInstr) \ 278 do_intx_flag(AllocatePrefetchLines) \ 279 do_intx_flag(AllocatePrefetchStepSize) \ 280 do_intx_flag(AllocatePrefetchStyle) \ 281 do_intx_flag(BciProfileWidth) \ 282 do_bool_flag(BootstrapJVMCI) \ 283 do_bool_flag(CITime) \ 284 do_bool_flag(CITimeEach) \ 285 do_uintx_flag(CodeCacheSegmentSize) \ 286 do_intx_flag(CodeEntryAlignment) \ 287 do_bool_flag(CompactFields) \ 288 NOT_PRODUCT(do_intx_flag(CompileTheWorldStartAt)) \ 289 NOT_PRODUCT(do_intx_flag(CompileTheWorldStopAt)) \ 290 do_intx_flag(ContendedPaddingWidth) \ 291 do_bool_flag(DontCompileHugeMethods) \ 292 do_bool_flag(EnableContended) \ 293 do_intx_flag(FieldsAllocationStyle) \ 294 do_bool_flag(FoldStableValues) \ 295 do_bool_flag(ForceUnreachable) \ 296 do_intx_flag(HugeMethodLimit) \ 297 do_bool_flag(Inline) \ 298 do_intx_flag(JVMCICounterSize) \ 299 do_bool_flag(JVMCIPrintProperties) \ 300 do_bool_flag(JVMCIUseFastLocking) \ 301 do_intx_flag(MethodProfileWidth) \ 302 do_intx_flag(ObjectAlignmentInBytes) \ 303 do_bool_flag(PrintInlining) \ 304 do_bool_flag(ReduceInitialCardMarks) \ 305 do_bool_flag(RestrictContended) \ 306 do_intx_flag(StackReservedPages) \ 307 do_intx_flag(StackShadowPages) \ 308 do_bool_flag(TLABStats) \ 309 do_uintx_flag(TLABWasteIncrement) \ 310 do_intx_flag(TypeProfileWidth) \ 311 do_bool_flag(UseAESIntrinsics) \ 312 X86_ONLY(do_intx_flag(UseAVX)) \ 313 do_bool_flag(UseBiasedLocking) \ 314 do_bool_flag(UseCRC32Intrinsics) \ 315 do_bool_flag(UseCompressedClassPointers) \ 316 do_bool_flag(UseCompressedOops) \ 317 do_bool_flag(UseConcMarkSweepGC) \ 318 X86_ONLY(do_bool_flag(UseCountLeadingZerosInstruction)) \ 319 X86_ONLY(do_bool_flag(UseCountTrailingZerosInstruction)) \ 320 do_bool_flag(UseG1GC) \ 321 COMPILER2_PRESENT(do_bool_flag(UseMontgomeryMultiplyIntrinsic)) \ 322 COMPILER2_PRESENT(do_bool_flag(UseMontgomerySquareIntrinsic)) \ 323 COMPILER2_PRESENT(do_bool_flag(UseMulAddIntrinsic)) \ 324 COMPILER2_PRESENT(do_bool_flag(UseMultiplyToLenIntrinsic)) \ 325 do_bool_flag(UsePopCountInstruction) \ 326 do_bool_flag(UseSHA1Intrinsics) \ 327 do_bool_flag(UseSHA256Intrinsics) \ 328 do_bool_flag(UseSHA512Intrinsics) \ 329 do_intx_flag(UseSSE) \ 330 COMPILER2_PRESENT(do_bool_flag(UseSquareToLenIntrinsic)) \ 331 do_bool_flag(UseStackBanging) \ 332 do_bool_flag(UseTLAB) \ 333 do_bool_flag(VerifyOops) \ 334 335 #define BOXED_BOOLEAN(name, value) oop name = ((jboolean)(value) ? boxedTrue() : boxedFalse()) 336 #define BOXED_DOUBLE(name, value) oop name; do { jvalue p; p.d = (jdouble) (value); name = java_lang_boxing_object::create(T_DOUBLE, &p, CHECK_NULL);} while(0) 337 #define BOXED_LONG(name, value) \ 338 oop name; \ 339 do { \ 340 jvalue p; p.j = (jlong) (value); \ 341 Handle* e = longs.get(p.j); \ 342 if (e == NULL) { \ 343 oop o = java_lang_boxing_object::create(T_LONG, &p, CHECK_NULL); \ 344 Handle h(THREAD, o); \ 345 longs.put(p.j, h); \ 346 name = h(); \ 347 } else { \ 348 name = (*e)(); \ 349 } \ 350 } while (0) 351 352 #define CSTRING_TO_JSTRING(name, value) \ 353 Handle name; \ 354 do { \ 355 if (value != NULL) { \ 356 Handle* e = strings.get(value); \ 357 if (e == NULL) { \ 358 Handle h = java_lang_String::create_from_str(value, CHECK_NULL); \ 359 strings.put(value, h); \ 360 name = h; \ 361 } else { \ 362 name = (*e); \ 363 } \ 364 } \ 365 } while (0) 366 367 C2V_VMENTRY(jobjectArray, readConfiguration, (JNIEnv *env)) 368 ResourceMark rm; 369 HandleMark hm; 370 371 // Used to canonicalize Long and String values. 372 ResourceHashtable<jlong, Handle> longs; 373 ResourceHashtable<const char*, Handle, &CompilerToVM::cstring_hash, &CompilerToVM::cstring_equals> strings; 374 375 jvalue prim; 376 prim.z = true; oop boxedTrueOop = java_lang_boxing_object::create(T_BOOLEAN, &prim, CHECK_NULL); 377 Handle boxedTrue(THREAD, boxedTrueOop); 378 prim.z = false; oop boxedFalseOop = java_lang_boxing_object::create(T_BOOLEAN, &prim, CHECK_NULL); 379 Handle boxedFalse(THREAD, boxedFalseOop); 380 381 CompilerToVM::Data::initialize(CHECK_NULL); 382 383 VMField::klass()->initialize(CHECK_NULL); 384 VMFlag::klass()->initialize(CHECK_NULL); 385 VMIntrinsicMethod::klass()->initialize(CHECK_NULL); 386 387 int len = JVMCIVMStructs::localHotSpotVMStructs_count(); 388 objArrayHandle vmFields = oopFactory::new_objArray_handle(VMField::klass(), len, CHECK_NULL); 389 for (int i = 0; i < len ; i++) { 390 VMStructEntry vmField = JVMCIVMStructs::localHotSpotVMStructs[i]; 391 instanceHandle vmFieldObj = InstanceKlass::cast(VMField::klass())->allocate_instance_handle(CHECK_NULL); 392 size_t name_buf_len = strlen(vmField.typeName) + strlen(vmField.fieldName) + 2 /* "::" */; 393 char* name_buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, name_buf_len + 1); 394 sprintf(name_buf, "%s::%s", vmField.typeName, vmField.fieldName); 395 CSTRING_TO_JSTRING(name, name_buf); 396 CSTRING_TO_JSTRING(type, vmField.typeString); 397 VMField::set_name(vmFieldObj, name()); 398 VMField::set_type(vmFieldObj, type()); 399 VMField::set_offset(vmFieldObj, vmField.offset); 400 VMField::set_address(vmFieldObj, (jlong) vmField.address); 401 if (vmField.isStatic && vmField.typeString != NULL) { 402 if (strcmp(vmField.typeString, "bool") == 0) { 403 BOXED_BOOLEAN(box, *(jbyte*) vmField.address); 404 VMField::set_value(vmFieldObj, box); 405 } else if (strcmp(vmField.typeString, "int") == 0 || 406 strcmp(vmField.typeString, "jint") == 0) { 407 BOXED_LONG(box, *(jint*) vmField.address); 408 VMField::set_value(vmFieldObj, box); 409 } else if (strcmp(vmField.typeString, "uint64_t") == 0) { 410 BOXED_LONG(box, *(uint64_t*) vmField.address); 411 VMField::set_value(vmFieldObj, box); 412 } else if (strcmp(vmField.typeString, "address") == 0 || 413 strcmp(vmField.typeString, "intptr_t") == 0 || 414 strcmp(vmField.typeString, "uintptr_t") == 0 || 415 strcmp(vmField.typeString, "OopHandle") == 0 || 416 strcmp(vmField.typeString, "size_t") == 0 || 417 // All foo* types are addresses. 418 vmField.typeString[strlen(vmField.typeString) - 1] == '*') { 419 BOXED_LONG(box, *((address*) vmField.address)); 420 VMField::set_value(vmFieldObj, box); 421 } else { 422 JVMCI_ERROR_NULL("VM field %s has unsupported type %s", name_buf, vmField.typeString); 423 } 424 } 425 vmFields->obj_at_put(i, vmFieldObj()); 426 } 427 428 int ints_len = JVMCIVMStructs::localHotSpotVMIntConstants_count(); 429 int longs_len = JVMCIVMStructs::localHotSpotVMLongConstants_count(); 430 len = ints_len + longs_len; 431 objArrayHandle vmConstants = oopFactory::new_objArray_handle(SystemDictionary::Object_klass(), len * 2, CHECK_NULL); 432 int insert = 0; 433 for (int i = 0; i < ints_len ; i++) { 434 VMIntConstantEntry c = JVMCIVMStructs::localHotSpotVMIntConstants[i]; 435 CSTRING_TO_JSTRING(name, c.name); 436 BOXED_LONG(value, c.value); 437 vmConstants->obj_at_put(insert++, name()); 438 vmConstants->obj_at_put(insert++, value); 439 } 440 for (int i = 0; i < longs_len ; i++) { 441 VMLongConstantEntry c = JVMCIVMStructs::localHotSpotVMLongConstants[i]; 442 CSTRING_TO_JSTRING(name, c.name); 443 BOXED_LONG(value, c.value); 444 vmConstants->obj_at_put(insert++, name()); 445 vmConstants->obj_at_put(insert++, value); 446 } 447 assert(insert == len * 2, "must be"); 448 449 len = JVMCIVMStructs::localHotSpotVMAddresses_count(); 450 objArrayHandle vmAddresses = oopFactory::new_objArray_handle(SystemDictionary::Object_klass(), len * 2, CHECK_NULL); 451 for (int i = 0; i < len ; i++) { 452 VMAddressEntry a = JVMCIVMStructs::localHotSpotVMAddresses[i]; 453 CSTRING_TO_JSTRING(name, a.name); 454 BOXED_LONG(value, a.value); 455 vmAddresses->obj_at_put(i * 2, name()); 456 vmAddresses->obj_at_put(i * 2 + 1, value); 457 } 458 459 #define COUNT_FLAG(ignore) +1 460 #ifdef ASSERT 461 #define CHECK_FLAG(type, name) { \ 462 Flag* flag = Flag::find_flag(#name, strlen(#name), /*allow_locked*/ true, /* return_flag */ true); \ 463 assert(flag != NULL, "No such flag named " #name); \ 464 assert(flag->is_##type(), "Flag " #name " is not of type " #type); \ 465 } 466 #else 467 #define CHECK_FLAG(type, name) 468 #endif 469 470 #define ADD_FLAG(type, name, convert) { \ 471 CHECK_FLAG(type, name) \ 472 instanceHandle vmFlagObj = InstanceKlass::cast(VMFlag::klass())->allocate_instance_handle(CHECK_NULL); \ 473 CSTRING_TO_JSTRING(fname, #name); \ 474 CSTRING_TO_JSTRING(ftype, #type); \ 475 VMFlag::set_name(vmFlagObj, fname()); \ 476 VMFlag::set_type(vmFlagObj, ftype()); \ 477 convert(value, name); \ 478 VMFlag::set_value(vmFlagObj, value); \ 479 vmFlags->obj_at_put(i++, vmFlagObj()); \ 480 } 481 #define ADD_BOOL_FLAG(name) ADD_FLAG(bool, name, BOXED_BOOLEAN) 482 #define ADD_INTX_FLAG(name) ADD_FLAG(intx, name, BOXED_LONG) 483 #define ADD_UINTX_FLAG(name) ADD_FLAG(uintx, name, BOXED_LONG) 484 485 len = 0 + PREDEFINED_CONFIG_FLAGS(COUNT_FLAG, COUNT_FLAG, COUNT_FLAG); 486 objArrayHandle vmFlags = oopFactory::new_objArray_handle(VMFlag::klass(), len, CHECK_NULL); 487 int i = 0; 488 PREDEFINED_CONFIG_FLAGS(ADD_BOOL_FLAG, ADD_INTX_FLAG, ADD_UINTX_FLAG) 489 490 objArrayHandle vmIntrinsics = CompilerToVM::initialize_intrinsics(CHECK_NULL); 491 492 objArrayOop data = oopFactory::new_objArray(SystemDictionary::Object_klass(), 5, CHECK_NULL); 493 data->obj_at_put(0, vmFields()); 494 data->obj_at_put(1, vmConstants()); 495 data->obj_at_put(2, vmAddresses()); 496 data->obj_at_put(3, vmFlags()); 497 data->obj_at_put(4, vmIntrinsics()); 498 499 return (jobjectArray) JNIHandles::make_local(THREAD, data); 500 #undef COUNT_FLAG 501 #undef ADD_FLAG 502 #undef ADD_BOOL_FLAG 503 #undef ADD_INTX_FLAG 504 #undef ADD_UINTX_FLAG 505 #undef CHECK_FLAG 506 C2V_END 507 508 C2V_VMENTRY(jobject, getFlagValue, (JNIEnv *, jobject c2vm, jobject name_handle)) 509 #define RETURN_BOXED_LONG(value) oop box; jvalue p; p.j = (jlong) (value); box = java_lang_boxing_object::create(T_LONG, &p, CHECK_NULL); return JNIHandles::make_local(THREAD, box); 510 #define RETURN_BOXED_DOUBLE(value) oop box; jvalue p; p.d = (jdouble) (value); box = java_lang_boxing_object::create(T_DOUBLE, &p, CHECK_NULL); return JNIHandles::make_local(THREAD, box); 511 Handle name(THREAD, JNIHandles::resolve(name_handle)); 512 if (name.is_null()) { 513 THROW_0(vmSymbols::java_lang_NullPointerException()); 514 } 515 ResourceMark rm; 516 const char* cstring = java_lang_String::as_utf8_string(name()); 517 Flag* flag = Flag::find_flag(cstring, strlen(cstring), /* allow_locked */ true, /* return_flag */ true); 518 if (flag == NULL) { 519 return c2vm; 520 } 521 if (flag->is_bool()) { 522 jvalue prim; 523 prim.z = flag->get_bool(); 524 oop box = java_lang_boxing_object::create(T_BOOLEAN, &prim, CHECK_NULL); 525 return JNIHandles::make_local(THREAD, box); 526 } else if (flag->is_ccstr()) { 527 Handle value = java_lang_String::create_from_str(flag->get_ccstr(), CHECK_NULL); 528 return JNIHandles::make_local(THREAD, value()); 529 } else if (flag->is_intx()) { 530 RETURN_BOXED_LONG(flag->get_intx()); 531 } else if (flag->is_int()) { 532 RETURN_BOXED_LONG(flag->get_int()); 533 } else if (flag->is_uint()) { 534 RETURN_BOXED_LONG(flag->get_uint()); 535 } else if (flag->is_uint64_t()) { 536 RETURN_BOXED_LONG(flag->get_uint64_t()); 537 } else if (flag->is_size_t()) { 538 RETURN_BOXED_LONG(flag->get_size_t()); 539 } else if (flag->is_uintx()) { 540 RETURN_BOXED_LONG(flag->get_uintx()); 541 } else if (flag->is_double()) { 542 RETURN_BOXED_DOUBLE(flag->get_double()); 543 } else { 544 JVMCI_ERROR_NULL("VM flag %s has unsupported type %s", flag->_name, flag->_type); 545 } 546 C2V_END 547 548 #undef BOXED_LONG 549 #undef BOXED_DOUBLE 550 #undef CSTRING_TO_JSTRING 551 552 C2V_VMENTRY(jbyteArray, getBytecode, (JNIEnv *, jobject, jobject jvmci_method)) 553 methodHandle method = CompilerToVM::asMethod(jvmci_method); 554 ResourceMark rm; 555 556 int code_size = method->code_size(); 557 typeArrayOop reconstituted_code = oopFactory::new_byteArray(code_size, CHECK_NULL); 558 559 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten"); 560 // iterate over all bytecodes and replace non-Java bytecodes 561 562 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) { 563 Bytecodes::Code code = s.code(); 564 Bytecodes::Code raw_code = s.raw_code(); 565 int bci = s.bci(); 566 int len = s.instruction_size(); 567 568 // Restore original byte code. 569 reconstituted_code->byte_at_put(bci, (jbyte) (s.is_wide()? Bytecodes::_wide : code)); 570 if (len > 1) { 571 memcpy(reconstituted_code->byte_at_addr(bci + 1), s.bcp()+1, len-1); 572 } 573 574 if (len > 1) { 575 // Restore the big-endian constant pool indexes. 576 // Cf. Rewriter::scan_method 577 switch (code) { 578 case Bytecodes::_getstatic: 579 case Bytecodes::_putstatic: 580 case Bytecodes::_getfield: 581 case Bytecodes::_putfield: 582 case Bytecodes::_invokevirtual: 583 case Bytecodes::_invokespecial: 584 case Bytecodes::_invokestatic: 585 case Bytecodes::_invokeinterface: 586 case Bytecodes::_invokehandle: { 587 int cp_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1)); 588 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index); 589 break; 590 } 591 592 case Bytecodes::_invokedynamic: { 593 int cp_index = Bytes::get_native_u4((address) reconstituted_code->byte_at_addr(bci + 1)); 594 Bytes::put_Java_u4((address) reconstituted_code->byte_at_addr(bci + 1), (u4) cp_index); 595 break; 596 } 597 598 default: 599 break; 600 } 601 602 // Not all ldc byte code are rewritten. 603 switch (raw_code) { 604 case Bytecodes::_fast_aldc: { 605 int cpc_index = reconstituted_code->byte_at(bci + 1) & 0xff; 606 int cp_index = method->constants()->object_to_cp_index(cpc_index); 607 assert(cp_index < method->constants()->length(), "sanity check"); 608 reconstituted_code->byte_at_put(bci + 1, (jbyte) cp_index); 609 break; 610 } 611 612 case Bytecodes::_fast_aldc_w: { 613 int cpc_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1)); 614 int cp_index = method->constants()->object_to_cp_index(cpc_index); 615 assert(cp_index < method->constants()->length(), "sanity check"); 616 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index); 617 break; 618 } 619 620 default: 621 break; 622 } 623 } 624 } 625 626 return (jbyteArray) JNIHandles::make_local(THREAD, reconstituted_code); 627 C2V_END 628 629 C2V_VMENTRY(jint, getExceptionTableLength, (JNIEnv *, jobject, jobject jvmci_method)) 630 ResourceMark rm; 631 methodHandle method = CompilerToVM::asMethod(jvmci_method); 632 return method->exception_table_length(); 633 C2V_END 634 635 C2V_VMENTRY(jlong, getExceptionTableStart, (JNIEnv *, jobject, jobject jvmci_method)) 636 ResourceMark rm; 637 methodHandle method = CompilerToVM::asMethod(jvmci_method); 638 if (method->exception_table_length() == 0) { 639 return 0L; 640 } 641 return (jlong) (address) method->exception_table_start(); 642 C2V_END 643 644 C2V_VMENTRY(jobject, asResolvedJavaMethod, (JNIEnv *, jobject, jobject executable_handle)) 645 oop executable = JNIHandles::resolve(executable_handle); 646 oop mirror = NULL; 647 int slot = 0; 648 649 if (executable->klass() == SystemDictionary::reflect_Constructor_klass()) { 650 mirror = java_lang_reflect_Constructor::clazz(executable); 651 slot = java_lang_reflect_Constructor::slot(executable); 652 } else { 653 assert(executable->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); 654 mirror = java_lang_reflect_Method::clazz(executable); 655 slot = java_lang_reflect_Method::slot(executable); 656 } 657 Klass* holder = java_lang_Class::as_Klass(mirror); 658 methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot); 659 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL); 660 return JNIHandles::make_local(THREAD, result); 661 } 662 663 C2V_VMENTRY(jobject, getResolvedJavaMethod, (JNIEnv *, jobject, jobject base, jlong offset)) 664 methodHandle method; 665 oop base_object = JNIHandles::resolve(base); 666 if (base_object == NULL) { 667 method = *((Method**)(offset)); 668 } else if (base_object->is_a(SystemDictionary::ResolvedMethodName_klass())) { 669 method = (Method*) (intptr_t) base_object->long_field(offset); 670 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) { 671 method = *((Method**)(HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object) + offset)); 672 } else { 673 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), 674 err_msg("Unexpected type: %s", base_object->klass()->external_name())); 675 } 676 assert (method.is_null() || method->is_method(), "invalid read"); 677 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL); 678 return JNIHandles::make_local(THREAD, result); 679 } 680 681 C2V_VMENTRY(jobject, getConstantPool, (JNIEnv *, jobject, jobject object_handle)) 682 constantPoolHandle cp; 683 oop object = JNIHandles::resolve(object_handle); 684 if (object == NULL) { 685 THROW_0(vmSymbols::java_lang_NullPointerException()); 686 } 687 if (object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) { 688 cp = CompilerToVM::asMethod(object)->constMethod()->constants(); 689 } else if (object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) { 690 cp = InstanceKlass::cast(CompilerToVM::asKlass(object))->constants(); 691 } else { 692 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), 693 err_msg("Unexpected type: %s", object->klass()->external_name())); 694 } 695 assert(!cp.is_null(), "npe"); 696 JavaValue method_result(T_OBJECT); 697 JavaCallArguments args; 698 args.push_long((jlong) (address) cp()); 699 JavaCalls::call_static(&method_result, SystemDictionary::HotSpotConstantPool_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::constantPool_fromMetaspace_signature(), &args, CHECK_NULL); 700 return JNIHandles::make_local(THREAD, (oop)method_result.get_jobject()); 701 } 702 703 C2V_VMENTRY(jobject, getResolvedJavaType, (JNIEnv *, jobject, jobject base, jlong offset, jboolean compressed)) 704 Klass* klass = NULL; 705 oop base_object = JNIHandles::resolve(base); 706 jlong base_address = 0; 707 if (base_object != NULL && offset == oopDesc::klass_offset_in_bytes()) { 708 klass = base_object->klass(); 709 } else if (!compressed) { 710 if (base_object != NULL) { 711 if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) { 712 base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object); 713 } else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) { 714 base_address = HotSpotConstantPool::metaspaceConstantPool(base_object); 715 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) { 716 base_address = (jlong) CompilerToVM::asKlass(base_object); 717 } else if (base_object->is_a(SystemDictionary::Class_klass())) { 718 base_address = (jlong) (address) base_object; 719 } else { 720 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), 721 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false")); 722 } 723 } 724 klass = *((Klass**) (intptr_t) (base_address + offset)); 725 } else { 726 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), 727 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false")); 728 } 729 assert (klass == NULL || klass->is_klass(), "invalid read"); 730 oop result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL); 731 return JNIHandles::make_local(THREAD, result); 732 } 733 734 C2V_VMENTRY(jobject, findUniqueConcreteMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method)) 735 ResourceMark rm; 736 methodHandle method = CompilerToVM::asMethod(jvmci_method); 737 Klass* holder = CompilerToVM::asKlass(jvmci_type); 738 if (holder->is_interface()) { 739 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", holder->external_name())); 740 } 741 742 methodHandle ucm; 743 { 744 MutexLocker locker(Compile_lock); 745 ucm = Dependencies::find_unique_concrete_method(holder, method()); 746 } 747 oop result = CompilerToVM::get_jvmci_method(ucm, CHECK_NULL); 748 return JNIHandles::make_local(THREAD, result); 749 C2V_END 750 751 C2V_VMENTRY(jobject, getImplementor, (JNIEnv *, jobject, jobject jvmci_type)) 752 InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type); 753 oop implementor = CompilerToVM::get_jvmci_type(klass->implementor(), CHECK_NULL); 754 return JNIHandles::make_local(THREAD, implementor); 755 C2V_END 756 757 C2V_VMENTRY(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv *, jobject, jobject jvmci_method)) 758 methodHandle method = CompilerToVM::asMethod(jvmci_method); 759 return method->is_ignored_by_security_stack_walk(); 760 C2V_END 761 762 C2V_VMENTRY(jboolean, isCompilable,(JNIEnv *, jobject, jobject jvmci_method)) 763 methodHandle method = CompilerToVM::asMethod(jvmci_method); 764 return !method->is_not_compilable(CompLevel_full_optimization); 765 C2V_END 766 767 C2V_VMENTRY(jboolean, hasNeverInlineDirective,(JNIEnv *, jobject, jobject jvmci_method)) 768 methodHandle method = CompilerToVM::asMethod(jvmci_method); 769 return !Inline || CompilerOracle::should_not_inline(method) || method->dont_inline(); 770 C2V_END 771 772 C2V_VMENTRY(jboolean, shouldInlineMethod,(JNIEnv *, jobject, jobject jvmci_method)) 773 methodHandle method = CompilerToVM::asMethod(jvmci_method); 774 return CompilerOracle::should_inline(method) || method->force_inline(); 775 C2V_END 776 777 C2V_VMENTRY(jobject, lookupType, (JNIEnv*, jobject, jstring jname, jclass accessing_class, jboolean resolve)) 778 ResourceMark rm; 779 Handle name(THREAD, JNIHandles::resolve(jname)); 780 Symbol* class_name = java_lang_String::as_symbol(name(), CHECK_0); 781 if (java_lang_String::length(name()) <= 1) { 782 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string())); 783 } 784 785 Klass* resolved_klass = NULL; 786 if (JNIHandles::resolve(accessing_class) == NULL) { 787 THROW_0(vmSymbols::java_lang_NullPointerException()); 788 } 789 Klass* accessing_klass = java_lang_Class::as_Klass(JNIHandles::resolve(accessing_class)); 790 Handle class_loader(THREAD, accessing_klass->class_loader()); 791 Handle protection_domain(THREAD, accessing_klass->protection_domain()); 792 793 if (resolve) { 794 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0); 795 } else { 796 if (class_name->byte_at(0) == 'L' && 797 class_name->byte_at(class_name->utf8_length()-1) == ';') { 798 // This is a name from a signature. Strip off the trimmings. 799 // Call recursive to keep scope of strippedsym. 800 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1, 801 class_name->utf8_length()-2, 802 CHECK_0); 803 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0); 804 } else if (FieldType::is_array(class_name)) { 805 FieldArrayInfo fd; 806 // dimension and object_key in FieldArrayInfo are assigned as a side-effect 807 // of this call 808 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0); 809 if (t == T_OBJECT) { 810 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(), 811 class_name->utf8_length()-2-fd.dimension(), 812 CHECK_0); 813 // naked oop "k" is OK here -- we assign back into it 814 resolved_klass = SystemDictionary::find(strippedsym, 815 class_loader, 816 protection_domain, 817 CHECK_0); 818 if (resolved_klass != NULL) { 819 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0); 820 } 821 } else { 822 resolved_klass = Universe::typeArrayKlassObj(t); 823 resolved_klass = TypeArrayKlass::cast(resolved_klass)->array_klass(fd.dimension(), CHECK_0); 824 } 825 } 826 } 827 oop result = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL); 828 return JNIHandles::make_local(THREAD, result); 829 C2V_END 830 831 C2V_VMENTRY(jobject, resolveConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 832 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 833 oop result = cp->resolve_constant_at(index, CHECK_NULL); 834 return JNIHandles::make_local(THREAD, result); 835 C2V_END 836 837 C2V_VMENTRY(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 838 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 839 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL); 840 return JNIHandles::make_local(THREAD, result); 841 C2V_END 842 843 C2V_VMENTRY(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 844 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 845 return cp->name_and_type_ref_index_at(index); 846 C2V_END 847 848 C2V_VMENTRY(jobject, lookupNameInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which)) 849 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 850 Handle sym = java_lang_String::create_from_symbol(cp->name_ref_at(which), CHECK_NULL); 851 return JNIHandles::make_local(THREAD, sym()); 852 C2V_END 853 854 C2V_VMENTRY(jobject, lookupSignatureInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which)) 855 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 856 Handle sym = java_lang_String::create_from_symbol(cp->signature_ref_at(which), CHECK_NULL); 857 return JNIHandles::make_local(THREAD, sym()); 858 C2V_END 859 860 C2V_VMENTRY(jint, lookupKlassRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 861 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 862 return cp->klass_ref_index_at(index); 863 C2V_END 864 865 C2V_VMENTRY(jobject, resolveTypeInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 866 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 867 Klass* resolved_klass = cp->klass_at(index, CHECK_NULL); 868 oop klass = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL); 869 return JNIHandles::make_local(THREAD, klass); 870 C2V_END 871 872 C2V_VMENTRY(jobject, lookupKlassInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode)) 873 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 874 Klass* loading_klass = cp->pool_holder(); 875 bool is_accessible = false; 876 Klass* klass = JVMCIEnv::get_klass_by_index(cp, index, is_accessible, loading_klass); 877 Symbol* symbol = NULL; 878 if (klass == NULL) { 879 symbol = cp->klass_name_at(index); 880 } 881 oop result_oop; 882 if (klass != NULL) { 883 result_oop = CompilerToVM::get_jvmci_type(klass, CHECK_NULL); 884 } else { 885 Handle result = java_lang_String::create_from_symbol(symbol, CHECK_NULL); 886 result_oop = result(); 887 } 888 return JNIHandles::make_local(THREAD, result_oop); 889 C2V_END 890 891 C2V_VMENTRY(jobject, lookupAppendixInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 892 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 893 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index); 894 return JNIHandles::make_local(THREAD, appendix_oop); 895 C2V_END 896 897 C2V_VMENTRY(jobject, lookupMethodInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode)) 898 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 899 InstanceKlass* pool_holder = cp->pool_holder(); 900 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF); 901 methodHandle method = JVMCIEnv::get_method_by_index(cp, index, bc, pool_holder); 902 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL); 903 return JNIHandles::make_local(THREAD, result); 904 C2V_END 905 906 C2V_VMENTRY(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 907 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 908 return cp->remap_instruction_operand_from_cache(index); 909 C2V_END 910 911 C2V_VMENTRY(jobject, resolveFieldInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jintArray info_handle)) 912 ResourceMark rm; 913 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 914 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF); 915 fieldDescriptor fd; 916 LinkInfo link_info(cp, index, (jvmci_method != NULL) ? CompilerToVM::asMethod(jvmci_method) : NULL, CHECK_0); 917 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0); 918 typeArrayOop info = (typeArrayOop) JNIHandles::resolve(info_handle); 919 if (info == NULL || info->length() != 3) { 920 JVMCI_ERROR_NULL("info must not be null and have a length of 3"); 921 } 922 info->int_at_put(0, fd.access_flags().as_int()); 923 info->int_at_put(1, fd.offset()); 924 info->int_at_put(2, fd.index()); 925 oop field_holder = CompilerToVM::get_jvmci_type(fd.field_holder(), CHECK_NULL); 926 return JNIHandles::make_local(THREAD, field_holder); 927 C2V_END 928 929 C2V_VMENTRY(jint, getVtableIndexForInterfaceMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method)) 930 ResourceMark rm; 931 Klass* klass = CompilerToVM::asKlass(jvmci_type); 932 Method* method = CompilerToVM::asMethod(jvmci_method); 933 if (klass->is_interface()) { 934 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", klass->external_name())); 935 } 936 if (!method->method_holder()->is_interface()) { 937 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())); 938 } 939 if (!InstanceKlass::cast(klass)->is_linked()) { 940 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Class %s must be linked", klass->external_name())); 941 } 942 return LinkResolver::vtable_index_of_interface_method(klass, method); 943 C2V_END 944 945 C2V_VMENTRY(jobject, resolveMethod, (JNIEnv *, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type)) 946 Klass* recv_klass = CompilerToVM::asKlass(receiver_jvmci_type); 947 Klass* caller_klass = CompilerToVM::asKlass(caller_jvmci_type); 948 methodHandle method = CompilerToVM::asMethod(jvmci_method); 949 950 Klass* resolved = method->method_holder(); 951 Symbol* h_name = method->name(); 952 Symbol* h_signature = method->signature(); 953 954 if (MethodHandles::is_signature_polymorphic_method(method())) { 955 // Signature polymorphic methods are already resolved, JVMCI just returns NULL in this case. 956 return NULL; 957 } 958 959 LinkInfo link_info(resolved, h_name, h_signature, caller_klass); 960 methodHandle m; 961 // Only do exact lookup if receiver klass has been linked. Otherwise, 962 // the vtable has not been setup, and the LinkResolver will fail. 963 if (recv_klass->is_array_klass() || 964 (InstanceKlass::cast(recv_klass)->is_linked() && !recv_klass->is_interface())) { 965 if (resolved->is_interface()) { 966 m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info); 967 } else { 968 m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info); 969 } 970 } 971 972 if (m.is_null()) { 973 // Return NULL if there was a problem with lookup (uninitialized class, etc.) 974 return NULL; 975 } 976 977 oop result = CompilerToVM::get_jvmci_method(m, CHECK_NULL); 978 return JNIHandles::make_local(THREAD, result); 979 C2V_END 980 981 C2V_VMENTRY(jboolean, hasFinalizableSubclass,(JNIEnv *, jobject, jobject jvmci_type)) 982 Klass* klass = CompilerToVM::asKlass(jvmci_type); 983 assert(klass != NULL, "method must not be called for primitive types"); 984 return Dependencies::find_finalizable_subclass(klass) != NULL; 985 C2V_END 986 987 C2V_VMENTRY(jobject, getClassInitializer, (JNIEnv *, jobject, jobject jvmci_type)) 988 InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type); 989 oop result = CompilerToVM::get_jvmci_method(klass->class_initializer(), CHECK_NULL); 990 return JNIHandles::make_local(THREAD, result); 991 C2V_END 992 993 C2V_VMENTRY(jlong, getMaxCallTargetOffset, (JNIEnv*, jobject, jlong addr)) 994 address target_addr = (address) addr; 995 if (target_addr != 0x0) { 996 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int)); 997 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int)); 998 return MAX2(ABS(off_low), ABS(off_high)); 999 } 1000 return -1; 1001 C2V_END 1002 1003 C2V_VMENTRY(void, setNotInlineableOrCompileable,(JNIEnv *, jobject, jobject jvmci_method)) 1004 methodHandle method = CompilerToVM::asMethod(jvmci_method); 1005 method->set_not_c1_compilable(); 1006 method->set_not_c2_compilable(); 1007 method->set_dont_inline(true); 1008 C2V_END 1009 1010 C2V_VMENTRY(jint, installCode, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject installed_code, jobject speculation_log)) 1011 ResourceMark rm; 1012 HandleMark hm; 1013 JNIHandleMark jni_hm; 1014 1015 Handle target_handle(THREAD, JNIHandles::resolve(target)); 1016 Handle compiled_code_handle(THREAD, JNIHandles::resolve(compiled_code)); 1017 CodeBlob* cb = NULL; 1018 Handle installed_code_handle(THREAD, JNIHandles::resolve(installed_code)); 1019 Handle speculation_log_handle(THREAD, JNIHandles::resolve(speculation_log)); 1020 1021 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK_JNI_ERR); 1022 1023 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer()); 1024 bool is_immutable_PIC = HotSpotCompiledCode::isImmutablePIC(compiled_code_handle) > 0; 1025 CodeInstaller installer(is_immutable_PIC); 1026 JVMCIEnv::CodeInstallResult result = installer.install(compiler, target_handle, compiled_code_handle, cb, installed_code_handle, speculation_log_handle, CHECK_0); 1027 1028 if (PrintCodeCacheOnCompilation) { 1029 stringStream s; 1030 // Dump code cache into a buffer before locking the tty, 1031 { 1032 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); 1033 CodeCache::print_summary(&s, false); 1034 } 1035 ttyLocker ttyl; 1036 tty->print_raw_cr(s.as_string()); 1037 } 1038 1039 if (result != JVMCIEnv::ok) { 1040 assert(cb == NULL, "should be"); 1041 } else { 1042 if (!installed_code_handle.is_null()) { 1043 assert(installed_code_handle->is_a(InstalledCode::klass()), "wrong type"); 1044 nmethod::invalidate_installed_code(installed_code_handle, CHECK_0); 1045 { 1046 // Ensure that all updates to the InstalledCode fields are consistent. 1047 MutexLockerEx pl(Patching_lock, Mutex::_no_safepoint_check_flag); 1048 InstalledCode::set_address(installed_code_handle, (jlong) cb); 1049 InstalledCode::set_version(installed_code_handle, InstalledCode::version(installed_code_handle) + 1); 1050 if (cb->is_nmethod()) { 1051 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->as_nmethod_or_null()->verified_entry_point()); 1052 } else { 1053 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->code_begin()); 1054 } 1055 if (installed_code_handle->is_a(HotSpotInstalledCode::klass())) { 1056 HotSpotInstalledCode::set_size(installed_code_handle, cb->size()); 1057 HotSpotInstalledCode::set_codeStart(installed_code_handle, (jlong) cb->code_begin()); 1058 HotSpotInstalledCode::set_codeSize(installed_code_handle, cb->code_size()); 1059 } 1060 } 1061 nmethod* nm = cb->as_nmethod_or_null(); 1062 if (nm != NULL && installed_code_handle->is_scavengable()) { 1063 assert(nm->detect_scavenge_root_oops(), "nm should be scavengable if installed_code is scavengable"); 1064 if (!UseG1GC) { 1065 assert(nm->on_scavenge_root_list(), "nm should be on scavengable list"); 1066 } 1067 } 1068 } 1069 } 1070 return result; 1071 C2V_END 1072 1073 C2V_VMENTRY(jint, getMetadata, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject metadata)) 1074 ResourceMark rm; 1075 HandleMark hm; 1076 1077 Handle target_handle(THREAD, JNIHandles::resolve(target)); 1078 Handle compiled_code_handle(THREAD, JNIHandles::resolve(compiled_code)); 1079 Handle metadata_handle(THREAD, JNIHandles::resolve(metadata)); 1080 1081 CodeMetadata code_metadata; 1082 CodeBlob *cb = NULL; 1083 CodeInstaller installer(true /* immutable PIC compilation */); 1084 1085 JVMCIEnv::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, CHECK_0); 1086 if (result != JVMCIEnv::ok) { 1087 return result; 1088 } 1089 1090 if (code_metadata.get_nr_pc_desc() > 0) { 1091 typeArrayHandle pcArrayOop = oopFactory::new_byteArray_handle(sizeof(PcDesc) * code_metadata.get_nr_pc_desc(), CHECK_(JVMCIEnv::cache_full)); 1092 memcpy(pcArrayOop->byte_at_addr(0), code_metadata.get_pc_desc(), sizeof(PcDesc) * code_metadata.get_nr_pc_desc()); 1093 HotSpotMetaData::set_pcDescBytes(metadata_handle, pcArrayOop()); 1094 } 1095 1096 if (code_metadata.get_scopes_size() > 0) { 1097 typeArrayHandle scopesArrayOop = oopFactory::new_byteArray_handle(code_metadata.get_scopes_size(), CHECK_(JVMCIEnv::cache_full)); 1098 memcpy(scopesArrayOop->byte_at_addr(0), code_metadata.get_scopes_desc(), code_metadata.get_scopes_size()); 1099 HotSpotMetaData::set_scopesDescBytes(metadata_handle, scopesArrayOop()); 1100 } 1101 1102 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer(); 1103 typeArrayHandle relocArrayOop = oopFactory::new_byteArray_handle((int) reloc_buffer->size(), CHECK_(JVMCIEnv::cache_full)); 1104 if (reloc_buffer->size() > 0) { 1105 memcpy(relocArrayOop->byte_at_addr(0), reloc_buffer->begin(), reloc_buffer->size()); 1106 } 1107 HotSpotMetaData::set_relocBytes(metadata_handle, relocArrayOop()); 1108 1109 const OopMapSet* oopMapSet = installer.oopMapSet(); 1110 { 1111 ResourceMark mark; 1112 ImmutableOopMapBuilder builder(oopMapSet); 1113 int oopmap_size = builder.heap_size(); 1114 typeArrayHandle oopMapArrayHandle = oopFactory::new_byteArray_handle(oopmap_size, CHECK_(JVMCIEnv::cache_full)); 1115 builder.generate_into((address) oopMapArrayHandle->byte_at_addr(0)); 1116 HotSpotMetaData::set_oopMaps(metadata_handle, oopMapArrayHandle()); 1117 } 1118 1119 AOTOopRecorder* recorder = code_metadata.get_oop_recorder(); 1120 1121 int nr_meta_strings = recorder->nr_meta_strings(); 1122 objArrayOop metadataArray = oopFactory::new_objectArray(nr_meta_strings, CHECK_(JVMCIEnv::cache_full)); 1123 objArrayHandle metadataArrayHandle(THREAD, metadataArray); 1124 for (int i = 0; i < nr_meta_strings; ++i) { 1125 const char* element = recorder->meta_element(i); 1126 Handle java_string = java_lang_String::create_from_str(element, CHECK_(JVMCIEnv::cache_full)); 1127 metadataArrayHandle->obj_at_put(i, java_string()); 1128 } 1129 HotSpotMetaData::set_metadata(metadata_handle, metadataArrayHandle()); 1130 1131 ExceptionHandlerTable* handler = code_metadata.get_exception_table(); 1132 int table_size = handler->size_in_bytes(); 1133 typeArrayHandle exceptionArrayOop = oopFactory::new_byteArray_handle(table_size, CHECK_(JVMCIEnv::cache_full)); 1134 1135 if (table_size > 0) { 1136 handler->copy_bytes_to((address) exceptionArrayOop->byte_at_addr(0)); 1137 } 1138 HotSpotMetaData::set_exceptionBytes(metadata_handle, exceptionArrayOop()); 1139 1140 return result; 1141 C2V_END 1142 1143 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv *jniEnv, jobject)) 1144 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK); 1145 CompilerStatistics* stats = compiler->stats(); 1146 stats->_standard.reset(); 1147 stats->_osr.reset(); 1148 C2V_END 1149 1150 C2V_VMENTRY(jobject, disassembleCodeBlob, (JNIEnv *jniEnv, jobject, jobject installedCode)) 1151 ResourceMark rm; 1152 HandleMark hm; 1153 1154 if (installedCode == NULL) { 1155 THROW_MSG_NULL(vmSymbols::java_lang_NullPointerException(), "installedCode is null"); 1156 } 1157 1158 jlong codeBlob = InstalledCode::address(installedCode); 1159 if (codeBlob == 0L) { 1160 return NULL; 1161 } 1162 1163 CodeBlob* cb = (CodeBlob*) (address) codeBlob; 1164 if (cb == NULL) { 1165 return NULL; 1166 } 1167 1168 // We don't want the stringStream buffer to resize during disassembly as it 1169 // uses scoped resource memory. If a nested function called during disassembly uses 1170 // a ResourceMark and the buffer expands within the scope of the mark, 1171 // the buffer becomes garbage when that scope is exited. Experience shows that 1172 // the disassembled code is typically about 10x the code size so a fixed buffer 1173 // sized to 20x code size plus a fixed amount for header info should be sufficient. 1174 int bufferSize = cb->code_size() * 20 + 1024; 1175 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize); 1176 stringStream st(buffer, bufferSize); 1177 if (cb->is_nmethod()) { 1178 nmethod* nm = (nmethod*) cb; 1179 if (!nm->is_alive()) { 1180 return NULL; 1181 } 1182 } 1183 Disassembler::decode(cb, &st); 1184 if (st.size() <= 0) { 1185 return NULL; 1186 } 1187 1188 Handle result = java_lang_String::create_from_platform_dependent_str(st.as_string(), CHECK_NULL); 1189 return JNIHandles::make_local(THREAD, result()); 1190 C2V_END 1191 1192 C2V_VMENTRY(jobject, getStackTraceElement, (JNIEnv*, jobject, jobject jvmci_method, int bci)) 1193 ResourceMark rm; 1194 HandleMark hm; 1195 1196 methodHandle method = CompilerToVM::asMethod(jvmci_method); 1197 oop element = java_lang_StackTraceElement::create(method, bci, CHECK_NULL); 1198 return JNIHandles::make_local(THREAD, element); 1199 C2V_END 1200 1201 C2V_VMENTRY(jobject, executeInstalledCode, (JNIEnv*, jobject, jobject args, jobject hotspotInstalledCode)) 1202 ResourceMark rm; 1203 HandleMark hm; 1204 1205 jlong nmethodValue = InstalledCode::address(hotspotInstalledCode); 1206 if (nmethodValue == 0L) { 1207 THROW_NULL(vmSymbols::jdk_vm_ci_code_InvalidInstalledCodeException()); 1208 } 1209 nmethod* nm = (nmethod*) (address) nmethodValue; 1210 methodHandle mh = nm->method(); 1211 Symbol* signature = mh->signature(); 1212 JavaCallArguments jca(mh->size_of_parameters()); 1213 1214 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static()); 1215 JavaValue result(jap.get_ret_type()); 1216 jca.set_alternative_target(nm); 1217 JavaCalls::call(&result, mh, &jca, CHECK_NULL); 1218 1219 if (jap.get_ret_type() == T_VOID) { 1220 return NULL; 1221 } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) { 1222 return JNIHandles::make_local(THREAD, (oop) result.get_jobject()); 1223 } else { 1224 jvalue *value = (jvalue *) result.get_value_addr(); 1225 // Narrow the value down if required (Important on big endian machines) 1226 switch (jap.get_ret_type()) { 1227 case T_BOOLEAN: 1228 value->z = (jboolean) value->i; 1229 break; 1230 case T_BYTE: 1231 value->b = (jbyte) value->i; 1232 break; 1233 case T_CHAR: 1234 value->c = (jchar) value->i; 1235 break; 1236 case T_SHORT: 1237 value->s = (jshort) value->i; 1238 break; 1239 default: 1240 break; 1241 } 1242 oop o = java_lang_boxing_object::create(jap.get_ret_type(), value, CHECK_NULL); 1243 return JNIHandles::make_local(THREAD, o); 1244 } 1245 C2V_END 1246 1247 C2V_VMENTRY(jlongArray, getLineNumberTable, (JNIEnv *, jobject, jobject jvmci_method)) 1248 Method* method = CompilerToVM::asMethod(jvmci_method); 1249 if (!method->has_linenumber_table()) { 1250 return NULL; 1251 } 1252 u2 num_entries = 0; 1253 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table()); 1254 while (streamForSize.read_pair()) { 1255 num_entries++; 1256 } 1257 1258 CompressedLineNumberReadStream stream(method->compressed_linenumber_table()); 1259 typeArrayOop result = oopFactory::new_longArray(2 * num_entries, CHECK_NULL); 1260 1261 int i = 0; 1262 jlong value; 1263 while (stream.read_pair()) { 1264 value = ((long) stream.bci()); 1265 result->long_at_put(i, value); 1266 value = ((long) stream.line()); 1267 result->long_at_put(i + 1, value); 1268 i += 2; 1269 } 1270 1271 return (jlongArray) JNIHandles::make_local(THREAD, result); 1272 C2V_END 1273 1274 C2V_VMENTRY(jlong, getLocalVariableTableStart, (JNIEnv *, jobject, jobject jvmci_method)) 1275 ResourceMark rm; 1276 Method* method = CompilerToVM::asMethod(jvmci_method); 1277 if (!method->has_localvariable_table()) { 1278 return 0; 1279 } 1280 return (jlong) (address) method->localvariable_table_start(); 1281 C2V_END 1282 1283 C2V_VMENTRY(jint, getLocalVariableTableLength, (JNIEnv *, jobject, jobject jvmci_method)) 1284 ResourceMark rm; 1285 Method* method = CompilerToVM::asMethod(jvmci_method); 1286 return method->localvariable_table_length(); 1287 C2V_END 1288 1289 C2V_VMENTRY(void, reprofile, (JNIEnv*, jobject, jobject jvmci_method)) 1290 Method* method = CompilerToVM::asMethod(jvmci_method); 1291 MethodCounters* mcs = method->method_counters(); 1292 if (mcs != NULL) { 1293 mcs->clear_counters(); 1294 } 1295 NOT_PRODUCT(method->set_compiled_invocation_count(0)); 1296 1297 CompiledMethod* code = method->code(); 1298 if (code != NULL) { 1299 code->make_not_entrant(); 1300 } 1301 1302 MethodData* method_data = method->method_data(); 1303 if (method_data == NULL) { 1304 ClassLoaderData* loader_data = method->method_holder()->class_loader_data(); 1305 method_data = MethodData::allocate(loader_data, method, CHECK); 1306 method->set_method_data(method_data); 1307 } else { 1308 method_data->initialize(); 1309 } 1310 C2V_END 1311 1312 1313 C2V_VMENTRY(void, invalidateInstalledCode, (JNIEnv*, jobject, jobject installed_code)) 1314 Handle installed_code_handle(THREAD, JNIHandles::resolve(installed_code)); 1315 nmethod::invalidate_installed_code(installed_code_handle, CHECK); 1316 C2V_END 1317 1318 C2V_VMENTRY(jlongArray, collectCounters, (JNIEnv*, jobject)) 1319 typeArrayOop arrayOop = oopFactory::new_longArray(JVMCICounterSize, CHECK_NULL); 1320 JavaThread::collect_counters(arrayOop); 1321 return (jlongArray) JNIHandles::make_local(THREAD, arrayOop); 1322 C2V_END 1323 1324 C2V_VMENTRY(int, allocateCompileId, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci)) 1325 HandleMark hm; 1326 ResourceMark rm; 1327 if (JNIHandles::resolve(jvmci_method) == NULL) { 1328 THROW_0(vmSymbols::java_lang_NullPointerException()); 1329 } 1330 Method* method = CompilerToVM::asMethod(jvmci_method); 1331 if (entry_bci >= method->code_size() || entry_bci < -1) { 1332 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Unexpected bci %d", entry_bci)); 1333 } 1334 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci); 1335 C2V_END 1336 1337 1338 C2V_VMENTRY(jboolean, isMature, (JNIEnv*, jobject, jlong metaspace_method_data)) 1339 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data); 1340 return mdo != NULL && mdo->is_mature(); 1341 C2V_END 1342 1343 C2V_VMENTRY(jboolean, hasCompiledCodeForOSR, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci, int comp_level)) 1344 Method* method = CompilerToVM::asMethod(jvmci_method); 1345 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL; 1346 C2V_END 1347 1348 C2V_VMENTRY(jobject, getSymbol, (JNIEnv*, jobject, jlong symbol)) 1349 Handle sym = java_lang_String::create_from_symbol((Symbol*)(address)symbol, CHECK_NULL); 1350 return JNIHandles::make_local(THREAD, sym()); 1351 C2V_END 1352 1353 bool matches(jobjectArray methods, Method* method) { 1354 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods); 1355 1356 for (int i = 0; i < methods_oop->length(); i++) { 1357 oop resolved = methods_oop->obj_at(i); 1358 if (resolved->is_a(HotSpotResolvedJavaMethodImpl::klass()) && CompilerToVM::asMethod(resolved) == method) { 1359 return true; 1360 } 1361 } 1362 return false; 1363 } 1364 1365 C2V_VMENTRY(jobject, getNextStackFrame, (JNIEnv*, jobject compilerToVM, jobject hs_frame, jobjectArray methods, jint initialSkip)) 1366 ResourceMark rm; 1367 1368 if (!thread->has_last_Java_frame()) return NULL; 1369 Handle result = HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL); 1370 HotSpotStackFrameReference::klass()->initialize(CHECK_NULL); 1371 1372 StackFrameStream fst(thread); 1373 if (hs_frame != NULL) { 1374 // look for the correct stack frame if one is given 1375 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame); 1376 while (fst.current()->sp() != stack_pointer && !fst.is_done()) { 1377 fst.next(); 1378 } 1379 if (fst.current()->sp() != stack_pointer) { 1380 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found") 1381 } 1382 } 1383 1384 int frame_number = 0; 1385 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); 1386 if (hs_frame != NULL) { 1387 // look for the correct vframe within the stack frame if one is given 1388 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame); 1389 while (frame_number < last_frame_number) { 1390 if (vf->is_top()) { 1391 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "invalid frame number") 1392 } 1393 vf = vf->sender(); 1394 frame_number ++; 1395 } 1396 // move one frame forward 1397 if (vf->is_top()) { 1398 if (fst.is_done()) { 1399 return NULL; 1400 } 1401 fst.next(); 1402 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); 1403 frame_number = 0; 1404 } else { 1405 vf = vf->sender(); 1406 frame_number++; 1407 } 1408 } 1409 1410 while (true) { 1411 // look for the given method 1412 while (true) { 1413 StackValueCollection* locals = NULL; 1414 if (vf->is_compiled_frame()) { 1415 // compiled method frame 1416 compiledVFrame* cvf = compiledVFrame::cast(vf); 1417 if (methods == NULL || matches(methods, cvf->method())) { 1418 if (initialSkip > 0) { 1419 initialSkip --; 1420 } else { 1421 ScopeDesc* scope = cvf->scope(); 1422 // native wrappers do not have a scope 1423 if (scope != NULL && scope->objects() != NULL) { 1424 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), scope->objects(), CHECK_NULL); 1425 Deoptimization::reassign_fields(fst.current(), fst.register_map(), scope->objects(), realloc_failures, false); 1426 1427 GrowableArray<ScopeValue*>* local_values = scope->locals(); 1428 typeArrayOop array_oop = oopFactory::new_boolArray(local_values->length(), CHECK_NULL); 1429 typeArrayHandle array(THREAD, array_oop); 1430 for (int i = 0; i < local_values->length(); i++) { 1431 ScopeValue* value = local_values->at(i); 1432 if (value->is_object()) { 1433 array->bool_at_put(i, true); 1434 } 1435 } 1436 HotSpotStackFrameReference::set_localIsVirtual(result, array()); 1437 } else { 1438 HotSpotStackFrameReference::set_localIsVirtual(result, NULL); 1439 } 1440 1441 locals = cvf->locals(); 1442 HotSpotStackFrameReference::set_bci(result, cvf->bci()); 1443 oop method = CompilerToVM::get_jvmci_method(cvf->method(), CHECK_NULL); 1444 HotSpotStackFrameReference::set_method(result, method); 1445 } 1446 } 1447 } else if (vf->is_interpreted_frame()) { 1448 // interpreted method frame 1449 interpretedVFrame* ivf = interpretedVFrame::cast(vf); 1450 if (methods == NULL || matches(methods, ivf->method())) { 1451 if (initialSkip > 0) { 1452 initialSkip --; 1453 } else { 1454 locals = ivf->locals(); 1455 HotSpotStackFrameReference::set_bci(result, ivf->bci()); 1456 oop method = CompilerToVM::get_jvmci_method(ivf->method(), CHECK_NULL); 1457 HotSpotStackFrameReference::set_method(result, method); 1458 HotSpotStackFrameReference::set_localIsVirtual(result, NULL); 1459 } 1460 } 1461 } 1462 1463 // locals != NULL means that we found a matching frame and result is already partially initialized 1464 if (locals != NULL) { 1465 HotSpotStackFrameReference::set_compilerToVM(result, JNIHandles::resolve(compilerToVM)); 1466 HotSpotStackFrameReference::set_stackPointer(result, (jlong) fst.current()->sp()); 1467 HotSpotStackFrameReference::set_frameNumber(result, frame_number); 1468 1469 // initialize the locals array 1470 objArrayOop array_oop = oopFactory::new_objectArray(locals->size(), CHECK_NULL); 1471 objArrayHandle array(THREAD, array_oop); 1472 for (int i = 0; i < locals->size(); i++) { 1473 StackValue* var = locals->at(i); 1474 if (var->type() == T_OBJECT) { 1475 array->obj_at_put(i, locals->at(i)->get_obj()()); 1476 } 1477 } 1478 HotSpotStackFrameReference::set_locals(result, array()); 1479 1480 return JNIHandles::make_local(thread, result()); 1481 } 1482 1483 if (vf->is_top()) { 1484 break; 1485 } 1486 frame_number++; 1487 vf = vf->sender(); 1488 } // end of vframe loop 1489 1490 if (fst.is_done()) { 1491 break; 1492 } 1493 fst.next(); 1494 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); 1495 frame_number = 0; 1496 } // end of frame loop 1497 1498 // the end was reached without finding a matching method 1499 return NULL; 1500 C2V_END 1501 1502 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 1503 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 1504 CallInfo callInfo; 1505 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK); 1506 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index); 1507 cp_cache_entry->set_dynamic_call(cp, callInfo); 1508 C2V_END 1509 1510 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 1511 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 1512 Klass* holder = cp->klass_ref_at(index, CHECK); 1513 Symbol* name = cp->name_ref_at(index); 1514 if (MethodHandles::is_signature_polymorphic_name(holder, name)) { 1515 CallInfo callInfo; 1516 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK); 1517 ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index)); 1518 cp_cache_entry->set_method_handle(cp, callInfo); 1519 } 1520 C2V_END 1521 1522 C2V_VMENTRY(jobject, getSignaturePolymorphicHolders, (JNIEnv*, jobject)) 1523 objArrayHandle holders = oopFactory::new_objArray_handle(SystemDictionary::String_klass(), 2, CHECK_NULL); 1524 Handle mh = java_lang_String::create_from_str("Ljava/lang/invoke/MethodHandle;", CHECK_NULL); 1525 Handle vh = java_lang_String::create_from_str("Ljava/lang/invoke/VarHandle;", CHECK_NULL); 1526 holders->obj_at_put(0, mh()); 1527 holders->obj_at_put(1, vh()); 1528 return JNIHandles::make_local(THREAD, holders()); 1529 C2V_END 1530 1531 C2V_VMENTRY(jboolean, shouldDebugNonSafepoints, (JNIEnv*, jobject)) 1532 //see compute_recording_non_safepoints in debugInfroRec.cpp 1533 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) { 1534 return true; 1535 } 1536 return DebugNonSafepoints; 1537 C2V_END 1538 1539 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate); 1540 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv*, jobject, jobject hs_frame, bool invalidate)) 1541 ResourceMark rm; 1542 1543 if (hs_frame == NULL) { 1544 THROW_MSG(vmSymbols::java_lang_NullPointerException(), "stack frame is null") 1545 } 1546 1547 HotSpotStackFrameReference::klass()->initialize(CHECK); 1548 1549 // look for the given stack frame 1550 StackFrameStream fst(thread); 1551 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame); 1552 while (fst.current()->sp() != stack_pointer && !fst.is_done()) { 1553 fst.next(); 1554 } 1555 if (fst.current()->sp() != stack_pointer) { 1556 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found") 1557 } 1558 1559 if (invalidate) { 1560 if (!fst.current()->is_compiled_frame()) { 1561 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected") 1562 } 1563 assert(fst.current()->cb()->is_nmethod(), "nmethod expected"); 1564 ((nmethod*) fst.current()->cb())->make_not_entrant(); 1565 } 1566 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none); 1567 // look for the frame again as it has been updated by deopt (pc, deopt state...) 1568 StackFrameStream fstAfterDeopt(thread); 1569 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) { 1570 fstAfterDeopt.next(); 1571 } 1572 if (fstAfterDeopt.current()->sp() != stack_pointer) { 1573 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt") 1574 } 1575 1576 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread); 1577 if (!vf->is_compiled_frame()) { 1578 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected") 1579 } 1580 1581 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10); 1582 while (true) { 1583 assert(vf->is_compiled_frame(), "Wrong frame type"); 1584 virtualFrames->push(compiledVFrame::cast(vf)); 1585 if (vf->is_top()) { 1586 break; 1587 } 1588 vf = vf->sender(); 1589 } 1590 1591 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame); 1592 if (last_frame_number >= virtualFrames->length()) { 1593 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "invalid frame number") 1594 } 1595 1596 // Reallocate the non-escaping objects and restore their fields. 1597 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope"); 1598 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects(); 1599 1600 if (objects == NULL) { 1601 // no objects to materialize 1602 return; 1603 } 1604 1605 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), objects, CHECK); 1606 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false); 1607 1608 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) { 1609 compiledVFrame* cvf = virtualFrames->at(frame_index); 1610 1611 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals(); 1612 StackValueCollection* locals = cvf->locals(); 1613 1614 if (locals != NULL) { 1615 for (int i2 = 0; i2 < locals->size(); i2++) { 1616 StackValue* var = locals->at(i2); 1617 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) { 1618 jvalue val; 1619 val.l = (jobject) locals->at(i2)->get_obj()(); 1620 cvf->update_local(T_OBJECT, i2, val); 1621 } 1622 } 1623 } 1624 } 1625 1626 // all locals are materialized by now 1627 HotSpotStackFrameReference::set_localIsVirtual(hs_frame, NULL); 1628 1629 // update the locals array 1630 objArrayHandle array(THREAD, HotSpotStackFrameReference::locals(hs_frame)); 1631 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals(); 1632 for (int i = 0; i < locals->size(); i++) { 1633 StackValue* var = locals->at(i); 1634 if (var->type() == T_OBJECT) { 1635 array->obj_at_put(i, locals->at(i)->get_obj()()); 1636 } 1637 } 1638 C2V_END 1639 1640 C2V_VMENTRY(void, writeDebugOutput, (JNIEnv*, jobject, jbyteArray bytes, jint offset, jint length)) 1641 if (bytes == NULL) { 1642 THROW(vmSymbols::java_lang_NullPointerException()); 1643 } 1644 typeArrayOop array = (typeArrayOop) JNIHandles::resolve(bytes); 1645 1646 // Check if offset and length are non negative. 1647 if (offset < 0 || length < 0) { 1648 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); 1649 } 1650 // Check if the range is valid. 1651 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array->length())) { 1652 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); 1653 } 1654 while (length > 0) { 1655 jbyte* start = array->byte_at_addr(offset); 1656 tty->write((char*) start, MIN2(length, O_BUFLEN)); 1657 length -= O_BUFLEN; 1658 offset += O_BUFLEN; 1659 } 1660 C2V_END 1661 1662 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv*, jobject)) 1663 tty->flush(); 1664 C2V_END 1665 1666 C2V_VMENTRY(int, methodDataProfileDataSize, (JNIEnv*, jobject, jlong metaspace_method_data, jint position)) 1667 ResourceMark rm; 1668 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data); 1669 ProfileData* profile_data = mdo->data_at(position); 1670 if (mdo->is_valid(profile_data)) { 1671 return profile_data->size_in_bytes(); 1672 } 1673 DataLayout* data = mdo->extra_data_base(); 1674 DataLayout* end = mdo->extra_data_limit(); 1675 for (;; data = mdo->next_extra(data)) { 1676 assert(data < end, "moved past end of extra data"); 1677 profile_data = data->data_in(); 1678 if (mdo->dp_to_di(profile_data->dp()) == position) { 1679 return profile_data->size_in_bytes(); 1680 } 1681 } 1682 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Invalid profile data position %d", position)); 1683 C2V_END 1684 1685 C2V_VMENTRY(jlong, getFingerprint, (JNIEnv*, jobject, jlong metaspace_klass)) 1686 Klass *k = CompilerToVM::asKlass(metaspace_klass); 1687 if (k->is_instance_klass()) { 1688 return InstanceKlass::cast(k)->get_stored_fingerprint(); 1689 } else { 1690 return 0; 1691 } 1692 C2V_END 1693 1694 C2V_VMENTRY(jobject, getHostClass, (JNIEnv*, jobject, jobject jvmci_type)) 1695 InstanceKlass* k = InstanceKlass::cast(CompilerToVM::asKlass(jvmci_type)); 1696 InstanceKlass* host = k->host_klass(); 1697 oop result = CompilerToVM::get_jvmci_type(host, CHECK_NULL); 1698 return JNIHandles::make_local(THREAD, result); 1699 C2V_END 1700 1701 C2V_VMENTRY(int, interpreterFrameSize, (JNIEnv*, jobject, jobject bytecode_frame_handle)) 1702 if (bytecode_frame_handle == NULL) { 1703 THROW_0(vmSymbols::java_lang_NullPointerException()); 1704 } 1705 1706 oop top_bytecode_frame = JNIHandles::resolve_non_null(bytecode_frame_handle); 1707 oop bytecode_frame = top_bytecode_frame; 1708 int size = 0; 1709 int callee_parameters = 0; 1710 int callee_locals = 0; 1711 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame)); 1712 int extra_args = method->max_stack() - BytecodeFrame::numStack(bytecode_frame); 1713 1714 while (bytecode_frame != NULL) { 1715 int locks = BytecodeFrame::numLocks(bytecode_frame); 1716 int temps = BytecodeFrame::numStack(bytecode_frame); 1717 bool is_top_frame = (bytecode_frame == top_bytecode_frame); 1718 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame)); 1719 1720 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(), 1721 temps + callee_parameters, 1722 extra_args, 1723 locks, 1724 callee_parameters, 1725 callee_locals, 1726 is_top_frame); 1727 size += frame_size; 1728 1729 callee_parameters = method->size_of_parameters(); 1730 callee_locals = method->max_locals(); 1731 extra_args = 0; 1732 bytecode_frame = BytecodePosition::caller(bytecode_frame); 1733 } 1734 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord; 1735 C2V_END 1736 1737 C2V_VMENTRY(void, compileToBytecode, (JNIEnv*, jobject, jobject lambda_form_handle)) 1738 Handle lambda_form(THREAD, JNIHandles::resolve_non_null(lambda_form_handle)); 1739 if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) { 1740 TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode", CHECK); 1741 JavaValue result(T_VOID); 1742 JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK); 1743 } else { 1744 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), 1745 err_msg("Unexpected type: %s", lambda_form->klass()->external_name())); 1746 } 1747 C2V_END 1748 1749 #define CC (char*) /*cast a literal from (const char*)*/ 1750 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f)) 1751 1752 #define STRING "Ljava/lang/String;" 1753 #define OBJECT "Ljava/lang/Object;" 1754 #define CLASS "Ljava/lang/Class;" 1755 #define EXECUTABLE "Ljava/lang/reflect/Executable;" 1756 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;" 1757 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;" 1758 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;" 1759 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;" 1760 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;" 1761 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;" 1762 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;" 1763 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;" 1764 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;" 1765 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;" 1766 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;" 1767 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;" 1768 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;" 1769 #define METASPACE_METHOD_DATA "J" 1770 1771 JNINativeMethod CompilerToVM::methods[] = { 1772 {CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)}, 1773 {CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)}, 1774 {CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)}, 1775 {CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)}, 1776 {CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)}, 1777 {CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)}, 1778 {CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)}, 1779 {CC "setNotInlineableOrCompileable", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(setNotInlineableOrCompileable)}, 1780 {CC "isCompilable", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(isCompilable)}, 1781 {CC "hasNeverInlineDirective", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(hasNeverInlineDirective)}, 1782 {CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)}, 1783 {CC "lookupType", CC "(" STRING CLASS "Z)" HS_RESOLVED_KLASS, FN_PTR(lookupType)}, 1784 {CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)}, 1785 {CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)}, 1786 {CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)}, 1787 {CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)}, 1788 {CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)}, 1789 {CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(lookupAppendixInPool)}, 1790 {CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)}, 1791 {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)}, 1792 {CC "resolveConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolveConstantInPool)}, 1793 {CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolvePossiblyCachedConstantInPool)}, 1794 {CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)}, 1795 {CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[I)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)}, 1796 {CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)}, 1797 {CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)}, 1798 {CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)}, 1799 {CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)}, 1800 {CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)}, 1801 {CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)}, 1802 {CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)}, 1803 {CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)}, 1804 {CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)}, 1805 {CC "getResolvedJavaMethod", CC "(Ljava/lang/Object;J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)}, 1806 {CC "getConstantPool", CC "(Ljava/lang/Object;)" HS_CONSTANT_POOL, FN_PTR(getConstantPool)}, 1807 {CC "getResolvedJavaType", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType)}, 1808 {CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)}, 1809 {CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE HS_SPECULATION_LOG ")I", FN_PTR(installCode)}, 1810 {CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)}, 1811 {CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)}, 1812 {CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)}, 1813 {CC "executeInstalledCode", CC "([" OBJECT INSTALLED_CODE ")" OBJECT, FN_PTR(executeInstalledCode)}, 1814 {CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)}, 1815 {CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)}, 1816 {CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)}, 1817 {CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)}, 1818 {CC "invalidateInstalledCode", CC "(" INSTALLED_CODE ")V", FN_PTR(invalidateInstalledCode)}, 1819 {CC "collectCounters", CC "()[J", FN_PTR(collectCounters)}, 1820 {CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)}, 1821 {CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)}, 1822 {CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)}, 1823 {CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)}, 1824 {CC "getNextStackFrame", CC "(" HS_STACK_FRAME_REF "[" RESOLVED_METHOD "I)" HS_STACK_FRAME_REF, FN_PTR(getNextStackFrame)}, 1825 {CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)}, 1826 {CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)}, 1827 {CC "writeDebugOutput", CC "([BII)V", FN_PTR(writeDebugOutput)}, 1828 {CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)}, 1829 {CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)}, 1830 {CC "getFingerprint", CC "(J)J", FN_PTR(getFingerprint)}, 1831 {CC "getHostClass", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getHostClass)}, 1832 {CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)}, 1833 {CC "compileToBytecode", CC "(" OBJECT ")V", FN_PTR(compileToBytecode)}, 1834 {CC "getFlagValue", CC "(" STRING ")" OBJECT, FN_PTR(getFlagValue)}, 1835 }; 1836 1837 int CompilerToVM::methods_count() { 1838 return sizeof(methods) / sizeof(JNINativeMethod); 1839 }