1 /* 2 * Copyright (c) 2011, 2025, 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 #ifdef COMPILER1 25 #include "c1/c1_Compiler.hpp" 26 #endif 27 #include "ci/ciUtilities.hpp" 28 #include "compiler/compiler_globals.hpp" 29 #include "compiler/oopMap.hpp" 30 #include "gc/shared/barrierSet.hpp" 31 #include "gc/shared/barrierSetAssembler.hpp" 32 #include "gc/shared/barrierSetNMethod.hpp" 33 #include "gc/shared/cardTable.hpp" 34 #include "gc/shared/collectedHeap.hpp" 35 #include "gc/shared/gc_globals.hpp" 36 #include "gc/shared/tlab_globals.hpp" 37 #if INCLUDE_ZGC 38 #include "gc/z/zBarrierSetRuntime.hpp" 39 #include "gc/z/zThreadLocalData.hpp" 40 #endif 41 #include "jvmci/jvmciCompilerToVM.hpp" 42 #include "jvmci/jvmciEnv.hpp" 43 #include "jvmci/vmStructs_jvmci.hpp" 44 #include "memory/universe.hpp" 45 #include "oops/compressedOops.hpp" 46 #include "oops/klass.inline.hpp" 47 #include "prims/jvmtiExport.hpp" 48 #ifdef COMPILER2 49 #include "opto/c2compiler.hpp" 50 #endif 51 #include "runtime/flags/jvmFlag.hpp" 52 #include "runtime/sharedRuntime.hpp" 53 #include "runtime/stubRoutines.hpp" 54 #include "utilities/resourceHash.hpp" 55 56 int CompilerToVM::Data::oopDesc_klass_offset_in_bytes; 57 int CompilerToVM::Data::arrayOopDesc_length_offset_in_bytes; 58 59 int CompilerToVM::Data::Klass_vtable_start_offset; 60 int CompilerToVM::Data::Klass_vtable_length_offset; 61 62 int CompilerToVM::Data::Method_extra_stack_entries; 63 64 address CompilerToVM::Data::SharedRuntime_ic_miss_stub; 65 address CompilerToVM::Data::SharedRuntime_handle_wrong_method_stub; 66 address CompilerToVM::Data::SharedRuntime_deopt_blob_unpack; 67 address CompilerToVM::Data::SharedRuntime_deopt_blob_unpack_with_exception_in_tls; 68 address CompilerToVM::Data::SharedRuntime_deopt_blob_uncommon_trap; 69 address CompilerToVM::Data::SharedRuntime_polling_page_return_handler; 70 address CompilerToVM::Data::SharedRuntime_throw_delayed_StackOverflowError_entry; 71 72 address CompilerToVM::Data::nmethod_entry_barrier; 73 int CompilerToVM::Data::thread_disarmed_guard_value_offset; 74 int CompilerToVM::Data::thread_address_bad_mask_offset; 75 76 address CompilerToVM::Data::ZBarrierSetRuntime_load_barrier_on_oop_field_preloaded; 77 address CompilerToVM::Data::ZBarrierSetRuntime_load_barrier_on_weak_oop_field_preloaded; 78 address CompilerToVM::Data::ZBarrierSetRuntime_load_barrier_on_phantom_oop_field_preloaded; 79 address CompilerToVM::Data::ZBarrierSetRuntime_weak_load_barrier_on_oop_field_preloaded; 80 address CompilerToVM::Data::ZBarrierSetRuntime_weak_load_barrier_on_weak_oop_field_preloaded; 81 address CompilerToVM::Data::ZBarrierSetRuntime_weak_load_barrier_on_phantom_oop_field_preloaded; 82 address CompilerToVM::Data::ZBarrierSetRuntime_load_barrier_on_oop_array; 83 address CompilerToVM::Data::ZBarrierSetRuntime_clone; 84 85 address CompilerToVM::Data::ZPointerVectorLoadBadMask_address; 86 address CompilerToVM::Data::ZPointerVectorStoreBadMask_address; 87 address CompilerToVM::Data::ZPointerVectorStoreGoodMask_address; 88 89 bool CompilerToVM::Data::continuations_enabled; 90 91 #ifdef AARCH64 92 int CompilerToVM::Data::BarrierSetAssembler_nmethod_patching_type; 93 address CompilerToVM::Data::BarrierSetAssembler_patching_epoch_addr; 94 #endif 95 96 size_t CompilerToVM::Data::ThreadLocalAllocBuffer_alignment_reserve; 97 98 CollectedHeap* CompilerToVM::Data::Universe_collectedHeap; 99 int CompilerToVM::Data::Universe_base_vtable_size; 100 address CompilerToVM::Data::Universe_narrow_oop_base; 101 int CompilerToVM::Data::Universe_narrow_oop_shift; 102 address CompilerToVM::Data::Universe_narrow_klass_base; 103 int CompilerToVM::Data::Universe_narrow_klass_shift; 104 void* CompilerToVM::Data::Universe_non_oop_bits; 105 uintptr_t CompilerToVM::Data::Universe_verify_oop_mask; 106 uintptr_t CompilerToVM::Data::Universe_verify_oop_bits; 107 108 bool CompilerToVM::Data::_supports_inline_contig_alloc; 109 HeapWord** CompilerToVM::Data::_heap_end_addr; 110 HeapWord* volatile* CompilerToVM::Data::_heap_top_addr; 111 int CompilerToVM::Data::_max_oop_map_stack_offset; 112 int CompilerToVM::Data::_fields_annotations_base_offset; 113 114 CardTable::CardValue* CompilerToVM::Data::cardtable_start_address; 115 int CompilerToVM::Data::cardtable_shift; 116 117 #ifdef X86 118 int CompilerToVM::Data::L1_line_size; 119 #endif 120 121 size_t CompilerToVM::Data::vm_page_size; 122 123 int CompilerToVM::Data::sizeof_vtableEntry = sizeof(vtableEntry); 124 int CompilerToVM::Data::sizeof_ExceptionTableElement = sizeof(ExceptionTableElement); 125 int CompilerToVM::Data::sizeof_LocalVariableTableElement = sizeof(LocalVariableTableElement); 126 int CompilerToVM::Data::sizeof_ConstantPool = sizeof(ConstantPool); 127 int CompilerToVM::Data::sizeof_narrowKlass = sizeof(narrowKlass); 128 int CompilerToVM::Data::sizeof_arrayOopDesc = sizeof(arrayOopDesc); 129 int CompilerToVM::Data::sizeof_BasicLock = sizeof(BasicLock); 130 #if INCLUDE_ZGC 131 int CompilerToVM::Data::sizeof_ZStoreBarrierEntry = sizeof(ZStoreBarrierEntry); 132 #endif 133 134 address CompilerToVM::Data::dsin; 135 address CompilerToVM::Data::dcos; 136 address CompilerToVM::Data::dtan; 137 address CompilerToVM::Data::dtanh; 138 address CompilerToVM::Data::dexp; 139 address CompilerToVM::Data::dlog; 140 address CompilerToVM::Data::dlog10; 141 address CompilerToVM::Data::dpow; 142 143 address CompilerToVM::Data::symbol_init; 144 address CompilerToVM::Data::symbol_clinit; 145 146 int CompilerToVM::Data::data_section_item_alignment; 147 148 JVMTI_ONLY( int* CompilerToVM::Data::_should_notify_object_alloc; ) 149 150 void CompilerToVM::Data::initialize(JVMCI_TRAPS) { 151 oopDesc_klass_offset_in_bytes = 1; //oopDesc::klass_offset_in_bytes(); 152 arrayOopDesc_length_offset_in_bytes = arrayOopDesc::length_offset_in_bytes(); 153 154 Klass_vtable_start_offset = in_bytes(Klass::vtable_start_offset()); 155 Klass_vtable_length_offset = in_bytes(Klass::vtable_length_offset()); 156 157 Method_extra_stack_entries = Method::extra_stack_entries(); 158 159 SharedRuntime_ic_miss_stub = SharedRuntime::get_ic_miss_stub(); 160 SharedRuntime_handle_wrong_method_stub = SharedRuntime::get_handle_wrong_method_stub(); 161 SharedRuntime_deopt_blob_unpack = SharedRuntime::deopt_blob()->unpack(); 162 SharedRuntime_deopt_blob_unpack_with_exception_in_tls = SharedRuntime::deopt_blob()->unpack_with_exception_in_tls(); 163 SharedRuntime_deopt_blob_uncommon_trap = SharedRuntime::deopt_blob()->uncommon_trap(); 164 SharedRuntime_polling_page_return_handler = SharedRuntime::polling_page_return_handler_blob()->entry_point(); 165 SharedRuntime_throw_delayed_StackOverflowError_entry = SharedRuntime::throw_delayed_StackOverflowError_entry(); 166 167 BarrierSetNMethod* bs_nm = BarrierSet::barrier_set()->barrier_set_nmethod(); 168 if (bs_nm != nullptr) { 169 thread_disarmed_guard_value_offset = in_bytes(bs_nm->thread_disarmed_guard_value_offset()); 170 nmethod_entry_barrier = StubRoutines::method_entry_barrier(); 171 BarrierSetAssembler* bs_asm = BarrierSet::barrier_set()->barrier_set_assembler(); 172 AARCH64_ONLY(BarrierSetAssembler_nmethod_patching_type = (int) bs_asm->nmethod_patching_type()); 173 AARCH64_ONLY(BarrierSetAssembler_patching_epoch_addr = bs_asm->patching_epoch_addr()); 174 } 175 176 #if INCLUDE_ZGC 177 if (UseZGC) { 178 ZPointerVectorLoadBadMask_address = (address) &ZPointerVectorLoadBadMask; 179 ZPointerVectorStoreBadMask_address = (address) &ZPointerVectorStoreBadMask; 180 ZPointerVectorStoreGoodMask_address = (address) &ZPointerVectorStoreGoodMask; 181 } 182 #endif 183 184 continuations_enabled = Continuations::enabled(); 185 186 ThreadLocalAllocBuffer_alignment_reserve = ThreadLocalAllocBuffer::alignment_reserve(); 187 188 Universe_collectedHeap = Universe::heap(); 189 Universe_base_vtable_size = Universe::base_vtable_size(); 190 if (UseCompressedOops) { 191 Universe_narrow_oop_base = CompressedOops::base(); 192 Universe_narrow_oop_shift = CompressedOops::shift(); 193 } else { 194 Universe_narrow_oop_base = nullptr; 195 Universe_narrow_oop_shift = 0; 196 } 197 if (UseCompressedClassPointers) { 198 Universe_narrow_klass_base = CompressedKlassPointers::base(); 199 Universe_narrow_klass_shift = CompressedKlassPointers::shift(); 200 } else { 201 Universe_narrow_klass_base = nullptr; 202 Universe_narrow_klass_shift = 0; 203 } 204 Universe_non_oop_bits = Universe::non_oop_word(); 205 Universe_verify_oop_mask = Universe::verify_oop_mask(); 206 Universe_verify_oop_bits = Universe::verify_oop_bits(); 207 208 _supports_inline_contig_alloc = false; 209 _heap_end_addr = (HeapWord**) -1; 210 _heap_top_addr = (HeapWord* volatile*) -1; 211 212 _max_oop_map_stack_offset = (OopMapValue::register_mask - VMRegImpl::stack2reg(0)->value()) * VMRegImpl::stack_slot_size; 213 int max_oop_map_stack_index = _max_oop_map_stack_offset / VMRegImpl::stack_slot_size; 214 assert(OopMapValue::legal_vm_reg_name(VMRegImpl::stack2reg(max_oop_map_stack_index)), "should be valid"); 215 assert(!OopMapValue::legal_vm_reg_name(VMRegImpl::stack2reg(max_oop_map_stack_index + 1)), "should be invalid"); 216 217 symbol_init = (address) vmSymbols::object_initializer_name(); 218 symbol_clinit = (address) vmSymbols::class_initializer_name(); 219 220 _fields_annotations_base_offset = Array<AnnotationArray*>::base_offset_in_bytes(); 221 222 data_section_item_alignment = relocInfo::addr_unit(); 223 224 JVMTI_ONLY( _should_notify_object_alloc = &JvmtiExport::_should_notify_object_alloc; ) 225 226 BarrierSet* bs = BarrierSet::barrier_set(); 227 if (bs->is_a(BarrierSet::CardTableBarrierSet)) { 228 CardTable::CardValue* base = ci_card_table_address(); 229 assert(base != nullptr, "unexpected byte_map_base"); 230 cardtable_start_address = base; 231 cardtable_shift = CardTable::card_shift(); 232 } else { 233 // No card mark barriers 234 cardtable_start_address = nullptr; 235 cardtable_shift = 0; 236 } 237 238 #ifdef X86 239 L1_line_size = VM_Version::L1_line_size(); 240 #endif 241 242 vm_page_size = os::vm_page_size(); 243 244 #define SET_TRIGFUNC(name) \ 245 if (StubRoutines::name() != nullptr) { \ 246 name = StubRoutines::name(); \ 247 } else { \ 248 name = CAST_FROM_FN_PTR(address, SharedRuntime::name); \ 249 } 250 251 SET_TRIGFUNC(dsin); 252 SET_TRIGFUNC(dcos); 253 SET_TRIGFUNC(dtan); 254 SET_TRIGFUNC(dexp); 255 SET_TRIGFUNC(dlog10); 256 SET_TRIGFUNC(dlog); 257 SET_TRIGFUNC(dpow); 258 259 #undef SET_TRIGFUNC 260 261 #define SET_TRIGFUNC_OR_NULL(name) \ 262 if (StubRoutines::name() != nullptr) { \ 263 name = StubRoutines::name(); \ 264 } else { \ 265 name = nullptr; \ 266 } 267 268 SET_TRIGFUNC_OR_NULL(dtanh); 269 270 #undef SET_TRIGFUNC_OR_NULL 271 272 273 } 274 275 static jboolean is_c1_supported(vmIntrinsics::ID id){ 276 jboolean supported = false; 277 #ifdef COMPILER1 278 supported = (jboolean) Compiler::is_intrinsic_supported(id); 279 #endif 280 return supported; 281 } 282 283 static jboolean is_c2_supported(vmIntrinsics::ID id){ 284 jboolean supported = false; 285 #ifdef COMPILER2 286 supported = (jboolean) C2Compiler::is_intrinsic_supported(id); 287 #endif 288 return supported; 289 } 290 291 JVMCIObjectArray CompilerToVM::initialize_intrinsics(JVMCI_TRAPS) { 292 int len = vmIntrinsics::number_of_intrinsics() - 1; // Exclude vmIntrinsics::_none, which is 0 293 JVMCIObjectArray vmIntrinsics = JVMCIENV->new_VMIntrinsicMethod_array(len, JVMCI_CHECK_NULL); 294 int index = 0; 295 vmSymbolID kls_sid = vmSymbolID::NO_SID; 296 JVMCIObject kls_str; 297 #define VM_SYMBOL_TO_STRING(s) \ 298 JVMCIENV->create_string(vmSymbols::symbol_at(VM_SYMBOL_ENUM_NAME(s)), JVMCI_CHECK_NULL) 299 #define VM_INTRINSIC_INFO(id, kls, name, sig, ignore_fcode) { \ 300 vmSymbolID sid = VM_SYMBOL_ENUM_NAME(kls); \ 301 if (kls_sid != sid) { \ 302 kls_str = VM_SYMBOL_TO_STRING(kls); \ 303 kls_sid = sid; \ 304 } \ 305 JVMCIObject name_str = VM_SYMBOL_TO_STRING(name); \ 306 JVMCIObject sig_str = VM_SYMBOL_TO_STRING(sig); \ 307 JVMCIObject vmIntrinsicMethod = JVMCIENV->new_VMIntrinsicMethod(kls_str, name_str, sig_str, (jint) vmIntrinsics::id, \ 308 (jboolean) vmIntrinsics::is_intrinsic_available(vmIntrinsics::id), \ 309 is_c1_supported(vmIntrinsics::id), \ 310 is_c2_supported(vmIntrinsics::id), JVMCI_CHECK_NULL); \ 311 JVMCIENV->put_object_at(vmIntrinsics, index++, vmIntrinsicMethod); \ 312 } 313 314 // VM_INTRINSICS_DO does *not* iterate over vmIntrinsics::_none 315 VM_INTRINSICS_DO(VM_INTRINSIC_INFO, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE) 316 #undef VM_SYMBOL_TO_STRING 317 #undef VM_INTRINSIC_INFO 318 319 assert(index == len, "must be"); 320 return vmIntrinsics; 321 } 322 323 #define PREDEFINED_CONFIG_FLAGS(do_bool_flag, do_int_flag, do_intx_flag, do_uintx_flag) \ 324 do_int_flag(AllocateInstancePrefetchLines) \ 325 do_int_flag(AllocatePrefetchDistance) \ 326 do_intx_flag(AllocatePrefetchInstr) \ 327 do_int_flag(AllocatePrefetchLines) \ 328 do_int_flag(AllocatePrefetchStepSize) \ 329 do_int_flag(AllocatePrefetchStyle) \ 330 do_intx_flag(BciProfileWidth) \ 331 do_bool_flag(BootstrapJVMCI) \ 332 do_bool_flag(CITime) \ 333 do_bool_flag(CITimeEach) \ 334 do_uintx_flag(CodeCacheSegmentSize) \ 335 do_intx_flag(CodeEntryAlignment) \ 336 do_int_flag(ContendedPaddingWidth) \ 337 do_bool_flag(DontCompileHugeMethods) \ 338 do_bool_flag(EagerJVMCI) \ 339 do_bool_flag(EnableContended) \ 340 do_bool_flag(FoldStableValues) \ 341 do_bool_flag(ForceUnreachable) \ 342 do_intx_flag(HugeMethodLimit) \ 343 do_bool_flag(Inline) \ 344 do_intx_flag(JVMCICounterSize) \ 345 do_bool_flag(JVMCIPrintProperties) \ 346 do_int_flag(ObjectAlignmentInBytes) \ 347 do_bool_flag(PrintInlining) \ 348 do_bool_flag(ReduceInitialCardMarks) \ 349 do_bool_flag(RestrictContended) \ 350 do_intx_flag(StackReservedPages) \ 351 do_intx_flag(StackShadowPages) \ 352 do_uintx_flag(TLABWasteIncrement) \ 353 do_intx_flag(TypeProfileWidth) \ 354 do_bool_flag(UseAESIntrinsics) \ 355 X86_ONLY(do_int_flag(UseAVX)) \ 356 do_bool_flag(UseCRC32Intrinsics) \ 357 do_bool_flag(UseAdler32Intrinsics) \ 358 do_bool_flag(UseCompressedClassPointers) \ 359 do_bool_flag(UseCompressedOops) \ 360 X86_ONLY(do_bool_flag(UseCountLeadingZerosInstruction)) \ 361 X86_ONLY(do_bool_flag(UseCountTrailingZerosInstruction)) \ 362 do_bool_flag(UseG1GC) \ 363 do_bool_flag(UseParallelGC) \ 364 do_bool_flag(UseSerialGC) \ 365 do_bool_flag(UseZGC) \ 366 do_bool_flag(UseEpsilonGC) \ 367 COMPILER2_PRESENT(do_bool_flag(UseMontgomeryMultiplyIntrinsic)) \ 368 COMPILER2_PRESENT(do_bool_flag(UseMontgomerySquareIntrinsic)) \ 369 COMPILER2_PRESENT(do_bool_flag(UseMulAddIntrinsic)) \ 370 COMPILER2_PRESENT(do_bool_flag(UseMultiplyToLenIntrinsic)) \ 371 do_bool_flag(UsePopCountInstruction) \ 372 do_bool_flag(UseSHA1Intrinsics) \ 373 do_bool_flag(UseSHA256Intrinsics) \ 374 do_bool_flag(UseSHA512Intrinsics) \ 375 X86_ONLY(do_int_flag(UseSSE)) \ 376 COMPILER2_PRESENT(do_bool_flag(UseSquareToLenIntrinsic)) \ 377 do_bool_flag(UseTLAB) \ 378 do_bool_flag(VerifyOops) \ 379 380 #define BOXED_BOOLEAN(name, value) name = ((jboolean)(value) ? boxedTrue : boxedFalse) 381 #define BOXED_DOUBLE(name, value) do { jvalue p; p.d = (jdouble) (value); name = JVMCIENV->create_box(T_DOUBLE, &p, JVMCI_CHECK_NULL);} while(0) 382 #define BOXED_LONG(name, value) \ 383 do { \ 384 jvalue p; p.j = (jlong) (value); \ 385 JVMCIObject* e = longs.get(p.j); \ 386 if (e == nullptr) { \ 387 JVMCIObject h = JVMCIENV->create_box(T_LONG, &p, JVMCI_CHECK_NULL); \ 388 longs.put(p.j, h); \ 389 name = h; \ 390 } else { \ 391 name = (*e); \ 392 } \ 393 } while (0) 394 395 #define CSTRING_TO_JSTRING(name, value) \ 396 JVMCIObject name; \ 397 do { \ 398 if (value != nullptr) { \ 399 JVMCIObject* e = strings.get(value); \ 400 if (e == nullptr) { \ 401 JVMCIObject h = JVMCIENV->create_string(value, JVMCI_CHECK_NULL); \ 402 strings.put(value, h); \ 403 name = h; \ 404 } else { \ 405 name = (*e); \ 406 } \ 407 } \ 408 } while (0) 409 410 jobjectArray readConfiguration0(JNIEnv *env, JVMCI_TRAPS) { 411 JavaThread* THREAD = JavaThread::current(); // For exception macros. 412 ResourceHashtable<jlong, JVMCIObject> longs; 413 ResourceHashtable<const char*, JVMCIObject, 414 256, AnyObj::RESOURCE_AREA, mtInternal, 415 &CompilerToVM::cstring_hash, &CompilerToVM::cstring_equals> strings; 416 417 jvalue prim; 418 prim.z = true; JVMCIObject boxedTrue = JVMCIENV->create_box(T_BOOLEAN, &prim, JVMCI_CHECK_NULL); 419 prim.z = false; JVMCIObject boxedFalse = JVMCIENV->create_box(T_BOOLEAN, &prim, JVMCI_CHECK_NULL); 420 421 CompilerToVM::Data::initialize(JVMCI_CHECK_NULL); 422 423 JVMCIENV->VMField_initialize(JVMCI_CHECK_NULL); 424 JVMCIENV->VMFlag_initialize(JVMCI_CHECK_NULL); 425 JVMCIENV->VMIntrinsicMethod_initialize(JVMCI_CHECK_NULL); 426 427 int len = JVMCIVMStructs::localHotSpotVMStructs_count(); 428 JVMCIObjectArray vmFields = JVMCIENV->new_VMField_array(len, JVMCI_CHECK_NULL); 429 for (int i = 0; i < len ; i++) { 430 VMStructEntry vmField = JVMCIVMStructs::localHotSpotVMStructs[i]; 431 const size_t name_buf_size = strlen(vmField.typeName) + strlen(vmField.fieldName) + 2 + 1 /* "::" */; 432 char* name_buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, name_buf_size); 433 os::snprintf_checked(name_buf, name_buf_size, "%s::%s", vmField.typeName, vmField.fieldName); 434 CSTRING_TO_JSTRING(name, name_buf); 435 CSTRING_TO_JSTRING(type, vmField.typeString); 436 JVMCIObject box; 437 if (vmField.isStatic && vmField.typeString != nullptr) { 438 if (strcmp(vmField.typeString, "bool") == 0) { 439 BOXED_BOOLEAN(box, *(jbyte*) vmField.address); 440 assert(box.is_non_null(), "must have a box"); 441 } else if (strcmp(vmField.typeString, "int") == 0 || 442 strcmp(vmField.typeString, "jint") == 0 || 443 strcmp(vmField.typeString, "uint") == 0 || 444 strcmp(vmField.typeString, "uint32_t") == 0) { 445 BOXED_LONG(box, *(jint*) vmField.address); 446 assert(box.is_non_null(), "must have a box"); 447 } else if (strcmp(vmField.typeString, "uint64_t") == 0) { 448 BOXED_LONG(box, *(uint64_t*) vmField.address); 449 assert(box.is_non_null(), "must have a box"); 450 } else if (strcmp(vmField.typeString, "address") == 0 || 451 strcmp(vmField.typeString, "intptr_t") == 0 || 452 strcmp(vmField.typeString, "uintptr_t") == 0 || 453 strcmp(vmField.typeString, "OopHandle") == 0 || 454 strcmp(vmField.typeString, "size_t") == 0 || 455 // All foo* types are addresses. 456 vmField.typeString[strlen(vmField.typeString) - 1] == '*') { 457 BOXED_LONG(box, *((address*) vmField.address)); 458 assert(box.is_non_null(), "must have a box"); 459 } else { 460 JVMCI_ERROR_NULL("VM field %s has unsupported type %s", name_buf, vmField.typeString); 461 } 462 } 463 JVMCIObject vmFieldObj = JVMCIENV->new_VMField(name, type, vmField.offset, (jlong) vmField.address, box, JVMCI_CHECK_NULL); 464 JVMCIENV->put_object_at(vmFields, i, vmFieldObj); 465 } 466 467 int ints_len = JVMCIVMStructs::localHotSpotVMIntConstants_count(); 468 int longs_len = JVMCIVMStructs::localHotSpotVMLongConstants_count(); 469 len = ints_len + longs_len; 470 JVMCIObjectArray vmConstants = JVMCIENV->new_Object_array(len * 2, JVMCI_CHECK_NULL); 471 int insert = 0; 472 for (int i = 0; i < ints_len ; i++) { 473 VMIntConstantEntry c = JVMCIVMStructs::localHotSpotVMIntConstants[i]; 474 CSTRING_TO_JSTRING(name, c.name); 475 JVMCIObject value; 476 BOXED_LONG(value, c.value); 477 JVMCIENV->put_object_at(vmConstants, insert++, name); 478 JVMCIENV->put_object_at(vmConstants, insert++, value); 479 } 480 for (int i = 0; i < longs_len ; i++) { 481 VMLongConstantEntry c = JVMCIVMStructs::localHotSpotVMLongConstants[i]; 482 CSTRING_TO_JSTRING(name, c.name); 483 JVMCIObject value; 484 BOXED_LONG(value, c.value); 485 JVMCIENV->put_object_at(vmConstants, insert++, name); 486 JVMCIENV->put_object_at(vmConstants, insert++, value); 487 } 488 assert(insert == len * 2, "must be"); 489 490 len = JVMCIVMStructs::localHotSpotVMAddresses_count(); 491 JVMCIObjectArray vmAddresses = JVMCIENV->new_Object_array(len * 2, JVMCI_CHECK_NULL); 492 for (int i = 0; i < len ; i++) { 493 VMAddressEntry a = JVMCIVMStructs::localHotSpotVMAddresses[i]; 494 CSTRING_TO_JSTRING(name, a.name); 495 JVMCIObject value; 496 BOXED_LONG(value, a.value); 497 JVMCIENV->put_object_at(vmAddresses, i * 2, name); 498 JVMCIENV->put_object_at(vmAddresses, i * 2 + 1, value); 499 } 500 501 #define COUNT_FLAG(ignore) +1 502 #ifdef ASSERT 503 #define CHECK_FLAG(type, name) { \ 504 const JVMFlag* flag = JVMFlag::find_declared_flag(#name); \ 505 assert(flag != nullptr, "No such flag named " #name); \ 506 assert(flag->is_##type(), "JVMFlag " #name " is not of type " #type); \ 507 } 508 #else 509 #define CHECK_FLAG(type, name) 510 #endif 511 512 #define ADD_FLAG(type, name, convert) { \ 513 CHECK_FLAG(type, name) \ 514 CSTRING_TO_JSTRING(fname, #name); \ 515 CSTRING_TO_JSTRING(ftype, #type); \ 516 convert(value, name); \ 517 JVMCIObject vmFlagObj = JVMCIENV->new_VMFlag(fname, ftype, value, JVMCI_CHECK_NULL); \ 518 JVMCIENV->put_object_at(vmFlags, i++, vmFlagObj); \ 519 } 520 #define ADD_BOOL_FLAG(name) ADD_FLAG(bool, name, BOXED_BOOLEAN) 521 #define ADD_INT_FLAG(name) ADD_FLAG(int, name, BOXED_LONG) 522 #define ADD_INTX_FLAG(name) ADD_FLAG(intx, name, BOXED_LONG) 523 #define ADD_UINTX_FLAG(name) ADD_FLAG(uintx, name, BOXED_LONG) 524 525 len = 0 + PREDEFINED_CONFIG_FLAGS(COUNT_FLAG, COUNT_FLAG, COUNT_FLAG, COUNT_FLAG); 526 JVMCIObjectArray vmFlags = JVMCIENV->new_VMFlag_array(len, JVMCI_CHECK_NULL); 527 int i = 0; 528 JVMCIObject value; 529 PREDEFINED_CONFIG_FLAGS(ADD_BOOL_FLAG, ADD_INT_FLAG, ADD_INTX_FLAG, ADD_UINTX_FLAG) 530 531 JVMCIObjectArray vmIntrinsics = CompilerToVM::initialize_intrinsics(JVMCI_CHECK_NULL); 532 533 JVMCIObjectArray data = JVMCIENV->new_Object_array(5, JVMCI_CHECK_NULL); 534 JVMCIENV->put_object_at(data, 0, vmFields); 535 JVMCIENV->put_object_at(data, 1, vmConstants); 536 JVMCIENV->put_object_at(data, 2, vmAddresses); 537 JVMCIENV->put_object_at(data, 3, vmFlags); 538 JVMCIENV->put_object_at(data, 4, vmIntrinsics); 539 540 return JVMCIENV->get_jobjectArray(data); 541 }