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 57 58 // Entry to native method implementation that transitions current thread to '_thread_in_vm'. 59 #define C2V_VMENTRY(result_type, name, signature) \ 60 JNIEXPORT result_type JNICALL c2v_ ## name signature { \ 61 TRACE_jvmci_1("CompilerToVM::" #name); \ 62 TRACE_CALL(result_type, jvmci_ ## name signature) \ 63 JVMCI_VM_ENTRY_MARK; \ 64 65 #define C2V_END } 66 67 oop CompilerToVM::get_jvmci_method(const methodHandle& method, TRAPS) { 68 if (method() != NULL) { 69 JavaValue result(T_OBJECT); 70 JavaCallArguments args; 71 args.push_long((jlong) (address) method()); 72 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedJavaMethodImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::method_fromMetaspace_signature(), &args, CHECK_NULL); 73 74 return (oop)result.get_jobject(); 75 } 76 return NULL; 77 } 78 79 oop CompilerToVM::get_jvmci_type(KlassHandle klass, TRAPS) { 80 if (klass() != NULL) { 81 JavaValue result(T_OBJECT); 82 JavaCallArguments args; 83 args.push_oop(Handle(THREAD, klass->java_mirror())); 84 JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedObjectTypeImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::klass_fromMetaspace_signature(), &args, CHECK_NULL); 85 86 return (oop)result.get_jobject(); 87 } 88 return NULL; 89 } 90 91 int CompilerToVM::Data::Klass_vtable_start_offset; 92 int CompilerToVM::Data::Klass_vtable_length_offset; 93 94 int CompilerToVM::Data::Method_extra_stack_entries; 95 96 address CompilerToVM::Data::SharedRuntime_ic_miss_stub; 97 address CompilerToVM::Data::SharedRuntime_handle_wrong_method_stub; 98 address CompilerToVM::Data::SharedRuntime_deopt_blob_unpack; 99 address CompilerToVM::Data::SharedRuntime_deopt_blob_uncommon_trap; 100 101 size_t CompilerToVM::Data::ThreadLocalAllocBuffer_alignment_reserve; 102 103 CollectedHeap* CompilerToVM::Data::Universe_collectedHeap; 104 int CompilerToVM::Data::Universe_base_vtable_size; 105 address CompilerToVM::Data::Universe_narrow_oop_base; 106 int CompilerToVM::Data::Universe_narrow_oop_shift; 107 address CompilerToVM::Data::Universe_narrow_klass_base; 108 int CompilerToVM::Data::Universe_narrow_klass_shift; 109 void* CompilerToVM::Data::Universe_non_oop_bits; 110 uintptr_t CompilerToVM::Data::Universe_verify_oop_mask; 111 uintptr_t CompilerToVM::Data::Universe_verify_oop_bits; 112 113 bool CompilerToVM::Data::_supports_inline_contig_alloc; 114 HeapWord** CompilerToVM::Data::_heap_end_addr; 115 HeapWord* volatile* CompilerToVM::Data::_heap_top_addr; 116 int CompilerToVM::Data::_max_oop_map_stack_offset; 117 118 jbyte* CompilerToVM::Data::cardtable_start_address; 119 int CompilerToVM::Data::cardtable_shift; 120 121 int CompilerToVM::Data::vm_page_size; 122 123 address CompilerToVM::Data::dsin; 124 address CompilerToVM::Data::dcos; 125 address CompilerToVM::Data::dtan; 126 address CompilerToVM::Data::dexp; 127 address CompilerToVM::Data::dlog; 128 address CompilerToVM::Data::dlog10; 129 address CompilerToVM::Data::dpow; 130 131 void CompilerToVM::Data::initialize() { 132 Klass_vtable_start_offset = in_bytes(Klass::vtable_start_offset()); 133 Klass_vtable_length_offset = in_bytes(Klass::vtable_length_offset()); 134 135 Method_extra_stack_entries = Method::extra_stack_entries(); 136 137 SharedRuntime_ic_miss_stub = SharedRuntime::get_ic_miss_stub(); 138 SharedRuntime_handle_wrong_method_stub = SharedRuntime::get_handle_wrong_method_stub(); 139 SharedRuntime_deopt_blob_unpack = SharedRuntime::deopt_blob()->unpack(); 140 SharedRuntime_deopt_blob_uncommon_trap = SharedRuntime::deopt_blob()->uncommon_trap(); 141 142 ThreadLocalAllocBuffer_alignment_reserve = ThreadLocalAllocBuffer::alignment_reserve(); 143 144 Universe_collectedHeap = Universe::heap(); 145 Universe_base_vtable_size = Universe::base_vtable_size(); 146 Universe_narrow_oop_base = Universe::narrow_oop_base(); 147 Universe_narrow_oop_shift = Universe::narrow_oop_shift(); 148 Universe_narrow_klass_base = Universe::narrow_klass_base(); 149 Universe_narrow_klass_shift = Universe::narrow_klass_shift(); 150 Universe_non_oop_bits = Universe::non_oop_word(); 151 Universe_verify_oop_mask = Universe::verify_oop_mask(); 152 Universe_verify_oop_bits = Universe::verify_oop_bits(); 153 154 _supports_inline_contig_alloc = Universe::heap()->supports_inline_contig_alloc(); 155 _heap_end_addr = _supports_inline_contig_alloc ? Universe::heap()->end_addr() : (HeapWord**) -1; 156 _heap_top_addr = _supports_inline_contig_alloc ? Universe::heap()->top_addr() : (HeapWord* volatile*) -1; 157 158 _max_oop_map_stack_offset = (OopMapValue::register_mask - VMRegImpl::stack2reg(0)->value()) * VMRegImpl::stack_slot_size; 159 int max_oop_map_stack_index = _max_oop_map_stack_offset / VMRegImpl::stack_slot_size; 160 assert(OopMapValue::legal_vm_reg_name(VMRegImpl::stack2reg(max_oop_map_stack_index)), "should be valid"); 161 assert(!OopMapValue::legal_vm_reg_name(VMRegImpl::stack2reg(max_oop_map_stack_index + 1)), "should be invalid"); 162 163 BarrierSet* bs = Universe::heap()->barrier_set(); 164 switch (bs->kind()) { 165 case BarrierSet::CardTableModRef: 166 case BarrierSet::CardTableForRS: 167 case BarrierSet::CardTableExtension: 168 case BarrierSet::G1SATBCT: 169 case BarrierSet::G1SATBCTLogging: { 170 jbyte* base = barrier_set_cast<CardTableModRefBS>(bs)->byte_map_base; 171 assert(base != 0, "unexpected byte_map_base"); 172 cardtable_start_address = base; 173 cardtable_shift = CardTableModRefBS::card_shift; 174 break; 175 } 176 case BarrierSet::ModRef: 177 case BarrierSet::Epsilon: 178 cardtable_start_address = 0; 179 cardtable_shift = 0; 180 // No post barriers 181 break; 182 default: 183 ShouldNotReachHere(); 184 break; 185 } 186 187 vm_page_size = os::vm_page_size(); 188 189 #define SET_TRIGFUNC(name) \ 190 if (StubRoutines::name() != NULL) { \ 191 name = StubRoutines::name(); \ 192 } else { \ 193 name = CAST_FROM_FN_PTR(address, SharedRuntime::name); \ 194 } 195 196 SET_TRIGFUNC(dsin); 197 SET_TRIGFUNC(dcos); 198 SET_TRIGFUNC(dtan); 199 SET_TRIGFUNC(dexp); 200 SET_TRIGFUNC(dlog10); 201 SET_TRIGFUNC(dlog); 202 SET_TRIGFUNC(dpow); 203 204 #undef SET_TRIGFUNC 205 } 206 207 objArrayHandle CompilerToVM::initialize_intrinsics(TRAPS) { 208 objArrayHandle vmIntrinsics = oopFactory::new_objArray_handle(VMIntrinsicMethod::klass(), (vmIntrinsics::ID_LIMIT - 1), CHECK_(objArrayHandle())); 209 int index = 0; 210 // The intrinsics for a class are usually adjacent to each other. 211 // When they are, the string for the class name can be reused. 212 vmSymbols::SID kls_sid = vmSymbols::NO_SID; 213 Handle kls_str; 214 #define SID_ENUM(n) vmSymbols::VM_SYMBOL_ENUM_NAME(n) 215 #define VM_SYMBOL_TO_STRING(s) \ 216 java_lang_String::create_from_symbol(vmSymbols::symbol_at(SID_ENUM(s)), CHECK_(objArrayHandle())) 217 #define VM_INTRINSIC_INFO(id, kls, name, sig, ignore_fcode) { \ 218 instanceHandle vmIntrinsicMethod = InstanceKlass::cast(VMIntrinsicMethod::klass())->allocate_instance_handle(CHECK_(objArrayHandle())); \ 219 if (kls_sid != SID_ENUM(kls)) { \ 220 kls_str = VM_SYMBOL_TO_STRING(kls); \ 221 kls_sid = SID_ENUM(kls); \ 222 } \ 223 Handle name_str = VM_SYMBOL_TO_STRING(name); \ 224 Handle sig_str = VM_SYMBOL_TO_STRING(sig); \ 225 VMIntrinsicMethod::set_declaringClass(vmIntrinsicMethod, kls_str()); \ 226 VMIntrinsicMethod::set_name(vmIntrinsicMethod, name_str()); \ 227 VMIntrinsicMethod::set_descriptor(vmIntrinsicMethod, sig_str()); \ 228 VMIntrinsicMethod::set_id(vmIntrinsicMethod, vmIntrinsics::id); \ 229 vmIntrinsics->obj_at_put(index++, vmIntrinsicMethod()); \ 230 } 231 232 VM_INTRINSICS_DO(VM_INTRINSIC_INFO, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE) 233 #undef SID_ENUM 234 #undef VM_SYMBOL_TO_STRING 235 #undef VM_INTRINSIC_INFO 236 assert(index == vmIntrinsics::ID_LIMIT - 1, "must be"); 237 238 return vmIntrinsics; 239 } 240 241 C2V_VMENTRY(jobjectArray, readConfiguration, (JNIEnv *env)) 242 #define BOXED_LONG(name, value) oop name; do { jvalue p; p.j = (jlong) (value); name = java_lang_boxing_object::create(T_LONG, &p, CHECK_NULL);} while(0) 243 #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) 244 ResourceMark rm; 245 HandleMark hm; 246 247 CompilerToVM::Data::initialize(); 248 249 VMField::klass()->initialize(CHECK_NULL); 250 VMFlag::klass()->initialize(CHECK_NULL); 251 VMIntrinsicMethod::klass()->initialize(CHECK_NULL); 252 253 int len = JVMCIVMStructs::localHotSpotVMStructs_count(); 254 objArrayHandle vmFields = oopFactory::new_objArray_handle(VMField::klass(), len, CHECK_NULL); 255 for (int i = 0; i < len ; i++) { 256 HandleMark hm(THREAD); 257 VMStructEntry vmField = JVMCIVMStructs::localHotSpotVMStructs[i]; 258 instanceHandle vmFieldObj = InstanceKlass::cast(VMField::klass())->allocate_instance_handle(CHECK_NULL); 259 size_t name_buf_len = strlen(vmField.typeName) + strlen(vmField.fieldName) + 2 /* "::" */; 260 char* name_buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, name_buf_len + 1); 261 sprintf(name_buf, "%s::%s", vmField.typeName, vmField.fieldName); 262 Handle name = java_lang_String::create_from_str(name_buf, CHECK_NULL); 263 Handle type = java_lang_String::create_from_str(vmField.typeString, CHECK_NULL); 264 VMField::set_name(vmFieldObj, name()); 265 VMField::set_type(vmFieldObj, type()); 266 VMField::set_offset(vmFieldObj, vmField.offset); 267 VMField::set_address(vmFieldObj, (jlong) vmField.address); 268 if (vmField.isStatic) { 269 if (strcmp(vmField.typeString, "bool") == 0) { 270 BOXED_LONG(value, *(jbyte*) vmField.address); 271 VMField::set_value(vmFieldObj, value); 272 } else if (strcmp(vmField.typeString, "int") == 0 || 273 strcmp(vmField.typeString, "jint") == 0) { 274 BOXED_LONG(value, *(jint*) vmField.address); 275 VMField::set_value(vmFieldObj, value); 276 } else if (strcmp(vmField.typeString, "uint64_t") == 0) { 277 BOXED_LONG(value, *(uint64_t*) vmField.address); 278 VMField::set_value(vmFieldObj, value); 279 } else if (strcmp(vmField.typeString, "address") == 0 || 280 strcmp(vmField.typeString, "intptr_t") == 0 || 281 strcmp(vmField.typeString, "uintptr_t") == 0 || 282 strcmp(vmField.typeString, "size_t") == 0 || 283 // All foo* types are addresses. 284 vmField.typeString[strlen(vmField.typeString) - 1] == '*') { 285 BOXED_LONG(value, *((address*) vmField.address)); 286 VMField::set_value(vmFieldObj, value); 287 } else { 288 JVMCI_ERROR_NULL("VM field %s has unsupported type %s", name_buf, vmField.typeString); 289 } 290 } 291 vmFields->obj_at_put(i, vmFieldObj()); 292 } 293 294 len = JVMCIVMStructs::localHotSpotVMTypes_count(); 295 objArrayHandle vmTypes = oopFactory::new_objArray_handle(SystemDictionary::Object_klass(), len * 2, CHECK_NULL); 296 for (int i = 0; i < len ; i++) { 297 HandleMark hm(THREAD); 298 VMTypeEntry vmType = JVMCIVMStructs::localHotSpotVMTypes[i]; 299 Handle name = java_lang_String::create_from_str(vmType.typeName, CHECK_NULL); 300 BOXED_LONG(size, vmType.size); 301 vmTypes->obj_at_put(i * 2, name()); 302 vmTypes->obj_at_put(i * 2 + 1, size); 303 } 304 305 int ints_len = JVMCIVMStructs::localHotSpotVMIntConstants_count(); 306 int longs_len = JVMCIVMStructs::localHotSpotVMLongConstants_count(); 307 len = ints_len + longs_len; 308 objArrayHandle vmConstants = oopFactory::new_objArray_handle(SystemDictionary::Object_klass(), len * 2, CHECK_NULL); 309 int insert = 0; 310 for (int i = 0; i < ints_len ; i++) { 311 HandleMark hm(THREAD); 312 VMIntConstantEntry c = JVMCIVMStructs::localHotSpotVMIntConstants[i]; 313 Handle name = java_lang_String::create_from_str(c.name, CHECK_NULL); 314 BOXED_LONG(value, c.value); 315 vmConstants->obj_at_put(insert++, name()); 316 vmConstants->obj_at_put(insert++, value); 317 } 318 for (int i = 0; i < longs_len ; i++) { 319 HandleMark hm(THREAD); 320 VMLongConstantEntry c = JVMCIVMStructs::localHotSpotVMLongConstants[i]; 321 Handle name = java_lang_String::create_from_str(c.name, CHECK_NULL); 322 BOXED_LONG(value, c.value); 323 vmConstants->obj_at_put(insert++, name()); 324 vmConstants->obj_at_put(insert++, value); 325 } 326 assert(insert == len * 2, "must be"); 327 328 len = JVMCIVMStructs::localHotSpotVMAddresses_count(); 329 objArrayHandle vmAddresses = oopFactory::new_objArray_handle(SystemDictionary::Object_klass(), len * 2, CHECK_NULL); 330 for (int i = 0; i < len ; i++) { 331 HandleMark hm(THREAD); 332 VMAddressEntry a = JVMCIVMStructs::localHotSpotVMAddresses[i]; 333 Handle name = java_lang_String::create_from_str(a.name, CHECK_NULL); 334 BOXED_LONG(value, a.value); 335 vmAddresses->obj_at_put(i * 2, name()); 336 vmAddresses->obj_at_put(i * 2 + 1, value); 337 } 338 339 // The last entry is the null entry. 340 len = (int) Flag::numFlags - 1; 341 objArrayHandle vmFlags = oopFactory::new_objArray_handle(VMFlag::klass(), len, CHECK_NULL); 342 for (int i = 0; i < len; i++) { 343 HandleMark hm(THREAD); 344 Flag* flag = &Flag::flags[i]; 345 instanceHandle vmFlagObj = InstanceKlass::cast(VMFlag::klass())->allocate_instance_handle(CHECK_NULL); 346 Handle name = java_lang_String::create_from_str(flag->_name, CHECK_NULL); 347 Handle type = java_lang_String::create_from_str(flag->_type, CHECK_NULL); 348 VMFlag::set_name(vmFlagObj, name()); 349 VMFlag::set_type(vmFlagObj, type()); 350 if (flag->is_bool()) { 351 BOXED_LONG(value, flag->get_bool()); 352 VMFlag::set_value(vmFlagObj, value); 353 } else if (flag->is_ccstr()) { 354 Handle value = java_lang_String::create_from_str(flag->get_ccstr(), CHECK_NULL); 355 VMFlag::set_value(vmFlagObj, value()); 356 } else if (flag->is_int()) { 357 BOXED_LONG(value, flag->get_int()); 358 VMFlag::set_value(vmFlagObj, value); 359 } else if (flag->is_intx()) { 360 BOXED_LONG(value, flag->get_intx()); 361 VMFlag::set_value(vmFlagObj, value); 362 } else if (flag->is_uint()) { 363 BOXED_LONG(value, flag->get_uint()); 364 VMFlag::set_value(vmFlagObj, value); 365 } else if (flag->is_uint64_t()) { 366 BOXED_LONG(value, flag->get_uint64_t()); 367 VMFlag::set_value(vmFlagObj, value); 368 } else if (flag->is_uintx()) { 369 BOXED_LONG(value, flag->get_uintx()); 370 VMFlag::set_value(vmFlagObj, value); 371 } else if (flag->is_double()) { 372 BOXED_DOUBLE(value, flag->get_double()); 373 VMFlag::set_value(vmFlagObj, value); 374 } else if (flag->is_size_t()) { 375 BOXED_LONG(value, flag->get_size_t()); 376 VMFlag::set_value(vmFlagObj, value); 377 } else { 378 JVMCI_ERROR_NULL("VM flag %s has unsupported type %s", flag->_name, flag->_type); 379 } 380 vmFlags->obj_at_put(i, vmFlagObj()); 381 } 382 383 objArrayHandle vmIntrinsics = CompilerToVM::initialize_intrinsics(CHECK_NULL); 384 385 objArrayOop data = oopFactory::new_objArray(SystemDictionary::Object_klass(), 6, CHECK_NULL); 386 data->obj_at_put(0, vmFields()); 387 data->obj_at_put(1, vmTypes()); 388 data->obj_at_put(2, vmConstants()); 389 data->obj_at_put(3, vmAddresses()); 390 data->obj_at_put(4, vmFlags()); 391 data->obj_at_put(5, vmIntrinsics()); 392 393 return (jobjectArray) JNIHandles::make_local(THREAD, data); 394 #undef BOXED_LONG 395 #undef BOXED_DOUBLE 396 C2V_END 397 398 C2V_VMENTRY(jbyteArray, getBytecode, (JNIEnv *, jobject, jobject jvmci_method)) 399 methodHandle method = CompilerToVM::asMethod(jvmci_method); 400 ResourceMark rm; 401 402 int code_size = method->code_size(); 403 typeArrayOop reconstituted_code = oopFactory::new_byteArray(code_size, CHECK_NULL); 404 405 guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten"); 406 // iterate over all bytecodes and replace non-Java bytecodes 407 408 for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) { 409 Bytecodes::Code code = s.code(); 410 Bytecodes::Code raw_code = s.raw_code(); 411 int bci = s.bci(); 412 int len = s.instruction_size(); 413 414 // Restore original byte code. 415 reconstituted_code->byte_at_put(bci, (jbyte) (s.is_wide()? Bytecodes::_wide : code)); 416 if (len > 1) { 417 memcpy(reconstituted_code->byte_at_addr(bci + 1), s.bcp()+1, len-1); 418 } 419 420 if (len > 1) { 421 // Restore the big-endian constant pool indexes. 422 // Cf. Rewriter::scan_method 423 switch (code) { 424 case Bytecodes::_getstatic: 425 case Bytecodes::_putstatic: 426 case Bytecodes::_getfield: 427 case Bytecodes::_putfield: 428 case Bytecodes::_invokevirtual: 429 case Bytecodes::_invokespecial: 430 case Bytecodes::_invokestatic: 431 case Bytecodes::_invokeinterface: 432 case Bytecodes::_invokehandle: { 433 int cp_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1)); 434 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index); 435 break; 436 } 437 438 case Bytecodes::_invokedynamic: 439 int cp_index = Bytes::get_native_u4((address) reconstituted_code->byte_at_addr(bci + 1)); 440 Bytes::put_Java_u4((address) reconstituted_code->byte_at_addr(bci + 1), (u4) cp_index); 441 break; 442 } 443 444 // Not all ldc byte code are rewritten. 445 switch (raw_code) { 446 case Bytecodes::_fast_aldc: { 447 int cpc_index = reconstituted_code->byte_at(bci + 1) & 0xff; 448 int cp_index = method->constants()->object_to_cp_index(cpc_index); 449 assert(cp_index < method->constants()->length(), "sanity check"); 450 reconstituted_code->byte_at_put(bci + 1, (jbyte) cp_index); 451 break; 452 } 453 454 case Bytecodes::_fast_aldc_w: { 455 int cpc_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1)); 456 int cp_index = method->constants()->object_to_cp_index(cpc_index); 457 assert(cp_index < method->constants()->length(), "sanity check"); 458 Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index); 459 break; 460 } 461 } 462 } 463 } 464 465 return (jbyteArray) JNIHandles::make_local(THREAD, reconstituted_code); 466 C2V_END 467 468 C2V_VMENTRY(jint, getExceptionTableLength, (JNIEnv *, jobject, jobject jvmci_method)) 469 ResourceMark rm; 470 methodHandle method = CompilerToVM::asMethod(jvmci_method); 471 return method->exception_table_length(); 472 C2V_END 473 474 C2V_VMENTRY(jlong, getExceptionTableStart, (JNIEnv *, jobject, jobject jvmci_method)) 475 ResourceMark rm; 476 methodHandle method = CompilerToVM::asMethod(jvmci_method); 477 if (method->exception_table_length() == 0) { 478 return 0L; 479 } 480 return (jlong) (address) method->exception_table_start(); 481 C2V_END 482 483 C2V_VMENTRY(jobject, asResolvedJavaMethod, (JNIEnv *, jobject, jobject executable_handle)) 484 oop executable = JNIHandles::resolve(executable_handle); 485 oop mirror = NULL; 486 int slot = 0; 487 488 if (executable->klass() == SystemDictionary::reflect_Constructor_klass()) { 489 mirror = java_lang_reflect_Constructor::clazz(executable); 490 slot = java_lang_reflect_Constructor::slot(executable); 491 } else { 492 assert(executable->klass() == SystemDictionary::reflect_Method_klass(), "wrong type"); 493 mirror = java_lang_reflect_Method::clazz(executable); 494 slot = java_lang_reflect_Method::slot(executable); 495 } 496 Klass* holder = java_lang_Class::as_Klass(mirror); 497 methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot); 498 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL); 499 return JNIHandles::make_local(THREAD, result); 500 } 501 502 C2V_VMENTRY(jobject, getResolvedJavaMethod, (JNIEnv *, jobject, jobject base, jlong offset)) 503 methodHandle method; 504 oop base_object = JNIHandles::resolve(base); 505 if (base_object == NULL) { 506 method = *((Method**)(offset)); 507 } else if (base_object->is_a(SystemDictionary::MemberName_klass())) { 508 method = (Method*) (intptr_t) base_object->long_field(offset); 509 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) { 510 method = *((Method**)(HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object) + offset)); 511 } else { 512 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), 513 err_msg("Unexpected type: %s", base_object->klass()->external_name())); 514 } 515 assert (method.is_null() || method->is_method(), "invalid read"); 516 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL); 517 return JNIHandles::make_local(THREAD, result); 518 } 519 520 C2V_VMENTRY(jobject, getConstantPool, (JNIEnv *, jobject, jobject object_handle)) 521 constantPoolHandle cp; 522 oop object = JNIHandles::resolve(object_handle); 523 if (object == NULL) { 524 THROW_0(vmSymbols::java_lang_NullPointerException()); 525 } 526 if (object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) { 527 cp = CompilerToVM::asMethod(object)->constMethod()->constants(); 528 } else if (object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) { 529 cp = InstanceKlass::cast(CompilerToVM::asKlass(object))->constants(); 530 } else { 531 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), 532 err_msg("Unexpected type: %s", object->klass()->external_name())); 533 } 534 assert(!cp.is_null(), "npe"); 535 JavaValue method_result(T_OBJECT); 536 JavaCallArguments args; 537 args.push_long((jlong) (address) cp()); 538 JavaCalls::call_static(&method_result, SystemDictionary::HotSpotConstantPool_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::constantPool_fromMetaspace_signature(), &args, CHECK_NULL); 539 return JNIHandles::make_local(THREAD, (oop)method_result.get_jobject()); 540 } 541 542 C2V_VMENTRY(jobject, getResolvedJavaType, (JNIEnv *, jobject, jobject base, jlong offset, jboolean compressed)) 543 KlassHandle klass; 544 oop base_object = JNIHandles::resolve(base); 545 jlong base_address = 0; 546 if (base_object != NULL && offset == oopDesc::klass_offset_in_bytes()) { 547 klass = base_object->klass(); 548 } else if (!compressed) { 549 if (base_object != NULL) { 550 if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) { 551 base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object); 552 } else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) { 553 base_address = HotSpotConstantPool::metaspaceConstantPool(base_object); 554 } else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) { 555 base_address = (jlong) CompilerToVM::asKlass(base_object); 556 } else if (base_object->is_a(SystemDictionary::Class_klass())) { 557 base_address = (jlong) (address) base_object; 558 } else { 559 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), 560 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false")); 561 } 562 } 563 klass = *((Klass**) (intptr_t) (base_address + offset)); 564 } else { 565 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), 566 err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false")); 567 } 568 assert (klass.is_null() || klass->is_klass(), "invalid read"); 569 oop result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL); 570 return JNIHandles::make_local(THREAD, result); 571 } 572 573 C2V_VMENTRY(jobject, findUniqueConcreteMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method)) 574 ResourceMark rm; 575 methodHandle method = CompilerToVM::asMethod(jvmci_method); 576 KlassHandle holder = CompilerToVM::asKlass(jvmci_type); 577 if (holder->is_interface()) { 578 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", holder->external_name())); 579 } 580 581 methodHandle ucm; 582 { 583 MutexLocker locker(Compile_lock); 584 ucm = Dependencies::find_unique_concrete_method(holder(), method()); 585 } 586 oop result = CompilerToVM::get_jvmci_method(ucm, CHECK_NULL); 587 return JNIHandles::make_local(THREAD, result); 588 C2V_END 589 590 C2V_VMENTRY(jobject, getImplementor, (JNIEnv *, jobject, jobject jvmci_type)) 591 InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type); 592 oop implementor = CompilerToVM::get_jvmci_type(klass->implementor(), CHECK_NULL); 593 return JNIHandles::make_local(THREAD, implementor); 594 C2V_END 595 596 C2V_VMENTRY(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv *, jobject, jobject jvmci_method)) 597 methodHandle method = CompilerToVM::asMethod(jvmci_method); 598 return method->is_ignored_by_security_stack_walk(); 599 C2V_END 600 601 C2V_VMENTRY(jboolean, isCompilable,(JNIEnv *, jobject, jobject jvmci_method)) 602 methodHandle method = CompilerToVM::asMethod(jvmci_method); 603 // Ignore the not_compilable flags in hosted mode since they are never set by 604 // the JVMCI compiler. 605 return UseJVMCICompiler || !method->is_not_compilable(CompLevel_full_optimization); 606 C2V_END 607 608 C2V_VMENTRY(jboolean, hasNeverInlineDirective,(JNIEnv *, jobject, jobject jvmci_method)) 609 methodHandle method = CompilerToVM::asMethod(jvmci_method); 610 return CompilerOracle::should_not_inline(method) || method->dont_inline(); 611 C2V_END 612 613 C2V_VMENTRY(jboolean, shouldInlineMethod,(JNIEnv *, jobject, jobject jvmci_method)) 614 methodHandle method = CompilerToVM::asMethod(jvmci_method); 615 return CompilerOracle::should_inline(method) || method->force_inline(); 616 C2V_END 617 618 C2V_VMENTRY(jobject, lookupType, (JNIEnv*, jobject, jstring jname, jclass accessing_class, jboolean resolve)) 619 ResourceMark rm; 620 Handle name(THREAD, JNIHandles::resolve(jname)); 621 Symbol* class_name = java_lang_String::as_symbol(name(), CHECK_0); 622 if (java_lang_String::length(name()) <= 1) { 623 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string())); 624 } 625 626 Klass* resolved_klass = NULL; 627 if (JNIHandles::resolve(accessing_class) == NULL) { 628 THROW_0(vmSymbols::java_lang_NullPointerException()); 629 } 630 Klass* accessing_klass = java_lang_Class::as_Klass(JNIHandles::resolve(accessing_class)); 631 Handle class_loader(THREAD, accessing_klass->class_loader()); 632 Handle protection_domain(THREAD, accessing_klass->protection_domain()); 633 634 if (resolve) { 635 resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0); 636 } else { 637 if (class_name->byte_at(0) == 'L' && 638 class_name->byte_at(class_name->utf8_length()-1) == ';') { 639 // This is a name from a signature. Strip off the trimmings. 640 // Call recursive to keep scope of strippedsym. 641 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1, 642 class_name->utf8_length()-2, 643 CHECK_0); 644 resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0); 645 } else if (FieldType::is_array(class_name)) { 646 FieldArrayInfo fd; 647 // dimension and object_key in FieldArrayInfo are assigned as a side-effect 648 // of this call 649 BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0); 650 if (t == T_OBJECT) { 651 TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(), 652 class_name->utf8_length()-2-fd.dimension(), 653 CHECK_0); 654 // naked oop "k" is OK here -- we assign back into it 655 resolved_klass = SystemDictionary::find(strippedsym, 656 class_loader, 657 protection_domain, 658 CHECK_0); 659 if (resolved_klass != NULL) { 660 resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0); 661 } 662 } else { 663 resolved_klass = Universe::typeArrayKlassObj(t); 664 resolved_klass = TypeArrayKlass::cast(resolved_klass)->array_klass(fd.dimension(), CHECK_0); 665 } 666 } 667 } 668 oop result = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL); 669 return JNIHandles::make_local(THREAD, result); 670 C2V_END 671 672 C2V_VMENTRY(jobject, resolveConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 673 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 674 oop result = cp->resolve_constant_at(index, CHECK_NULL); 675 return JNIHandles::make_local(THREAD, result); 676 C2V_END 677 678 C2V_VMENTRY(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 679 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 680 oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL); 681 return JNIHandles::make_local(THREAD, result); 682 C2V_END 683 684 C2V_VMENTRY(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 685 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 686 return cp->name_and_type_ref_index_at(index); 687 C2V_END 688 689 C2V_VMENTRY(jobject, lookupNameInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which)) 690 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 691 Handle sym = java_lang_String::create_from_symbol(cp->name_ref_at(which), CHECK_NULL); 692 return JNIHandles::make_local(THREAD, sym()); 693 C2V_END 694 695 C2V_VMENTRY(jobject, lookupSignatureInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which)) 696 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 697 Handle sym = java_lang_String::create_from_symbol(cp->signature_ref_at(which), CHECK_NULL); 698 return JNIHandles::make_local(THREAD, sym()); 699 C2V_END 700 701 C2V_VMENTRY(jint, lookupKlassRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 702 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 703 return cp->klass_ref_index_at(index); 704 C2V_END 705 706 C2V_VMENTRY(jobject, resolveTypeInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 707 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 708 Klass* resolved_klass = cp->klass_at(index, CHECK_NULL); 709 oop klass = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL); 710 return JNIHandles::make_local(THREAD, klass); 711 C2V_END 712 713 C2V_VMENTRY(jobject, lookupKlassInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode)) 714 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 715 KlassHandle loading_klass(cp->pool_holder()); 716 bool is_accessible = false; 717 KlassHandle klass = JVMCIEnv::get_klass_by_index(cp, index, is_accessible, loading_klass); 718 Symbol* symbol = NULL; 719 if (klass.is_null()) { 720 symbol = cp->klass_name_at(index); 721 } 722 oop result_oop; 723 if (!klass.is_null()) { 724 result_oop = CompilerToVM::get_jvmci_type(klass, CHECK_NULL); 725 } else { 726 Handle result = java_lang_String::create_from_symbol(symbol, CHECK_NULL); 727 result_oop = result(); 728 } 729 return JNIHandles::make_local(THREAD, result_oop); 730 C2V_END 731 732 C2V_VMENTRY(jobject, lookupAppendixInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 733 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 734 oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index); 735 return JNIHandles::make_local(THREAD, appendix_oop); 736 C2V_END 737 738 C2V_VMENTRY(jobject, lookupMethodInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode)) 739 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 740 instanceKlassHandle pool_holder(cp->pool_holder()); 741 Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF); 742 methodHandle method = JVMCIEnv::get_method_by_index(cp, index, bc, pool_holder); 743 oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL); 744 return JNIHandles::make_local(THREAD, result); 745 C2V_END 746 747 C2V_VMENTRY(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 748 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 749 return cp->remap_instruction_operand_from_cache(index); 750 C2V_END 751 752 C2V_VMENTRY(jobject, resolveFieldInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jlongArray info_handle)) 753 ResourceMark rm; 754 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 755 Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF); 756 fieldDescriptor fd; 757 LinkInfo link_info(cp, index, (jvmci_method != NULL) ? CompilerToVM::asMethod(jvmci_method) : NULL, CHECK_0); 758 LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0); 759 typeArrayOop info = (typeArrayOop) JNIHandles::resolve(info_handle); 760 assert(info != NULL && info->length() == 2, "must be"); 761 info->long_at_put(0, (jlong) fd.access_flags().as_int()); 762 info->long_at_put(1, (jlong) fd.offset()); 763 oop field_holder = CompilerToVM::get_jvmci_type(fd.field_holder(), CHECK_NULL); 764 return JNIHandles::make_local(THREAD, field_holder); 765 C2V_END 766 767 C2V_VMENTRY(jint, getVtableIndexForInterfaceMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method)) 768 ResourceMark rm; 769 Klass* klass = CompilerToVM::asKlass(jvmci_type); 770 Method* method = CompilerToVM::asMethod(jvmci_method); 771 if (klass->is_interface()) { 772 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", klass->external_name())); 773 } 774 if (!method->method_holder()->is_interface()) { 775 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())); 776 } 777 if (!InstanceKlass::cast(klass)->is_linked()) { 778 THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Class %s must be linked", klass->external_name())); 779 } 780 return LinkResolver::vtable_index_of_interface_method(klass, method); 781 C2V_END 782 783 C2V_VMENTRY(jobject, resolveMethod, (JNIEnv *, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type)) 784 KlassHandle recv_klass = CompilerToVM::asKlass(receiver_jvmci_type); 785 KlassHandle caller_klass = CompilerToVM::asKlass(caller_jvmci_type); 786 methodHandle method = CompilerToVM::asMethod(jvmci_method); 787 788 KlassHandle h_resolved (THREAD, method->method_holder()); 789 Symbol* h_name = method->name(); 790 Symbol* h_signature = method->signature(); 791 792 if (MethodHandles::is_signature_polymorphic_method(method())) { 793 // Signature polymorphic methods are already resolved, JVMCI just returns NULL in this case. 794 return NULL; 795 } 796 797 LinkInfo link_info(h_resolved, h_name, h_signature, caller_klass); 798 methodHandle m; 799 // Only do exact lookup if receiver klass has been linked. Otherwise, 800 // the vtable has not been setup, and the LinkResolver will fail. 801 if (recv_klass->is_array_klass() || 802 InstanceKlass::cast(recv_klass())->is_linked() && !recv_klass->is_interface()) { 803 if (h_resolved->is_interface()) { 804 m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info); 805 } else { 806 m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info); 807 } 808 } 809 810 if (m.is_null()) { 811 // Return NULL if there was a problem with lookup (uninitialized class, etc.) 812 return NULL; 813 } 814 815 oop result = CompilerToVM::get_jvmci_method(m, CHECK_NULL); 816 return JNIHandles::make_local(THREAD, result); 817 C2V_END 818 819 C2V_VMENTRY(jboolean, hasFinalizableSubclass,(JNIEnv *, jobject, jobject jvmci_type)) 820 Klass* klass = CompilerToVM::asKlass(jvmci_type); 821 assert(klass != NULL, "method must not be called for primitive types"); 822 return Dependencies::find_finalizable_subclass(klass) != NULL; 823 C2V_END 824 825 C2V_VMENTRY(jobject, getClassInitializer, (JNIEnv *, jobject, jobject jvmci_type)) 826 InstanceKlass* klass = (InstanceKlass*) CompilerToVM::asKlass(jvmci_type); 827 oop result = CompilerToVM::get_jvmci_method(klass->class_initializer(), CHECK_NULL); 828 return JNIHandles::make_local(THREAD, result); 829 C2V_END 830 831 C2V_VMENTRY(jlong, getMaxCallTargetOffset, (JNIEnv*, jobject, jlong addr)) 832 address target_addr = (address) addr; 833 if (target_addr != 0x0) { 834 int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int)); 835 int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int)); 836 return MAX2(ABS(off_low), ABS(off_high)); 837 } 838 return -1; 839 C2V_END 840 841 C2V_VMENTRY(void, doNotInlineOrCompile,(JNIEnv *, jobject, jobject jvmci_method)) 842 methodHandle method = CompilerToVM::asMethod(jvmci_method); 843 method->set_not_c1_compilable(); 844 method->set_not_c2_compilable(); 845 method->set_dont_inline(true); 846 C2V_END 847 848 C2V_VMENTRY(jint, installCode, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject installed_code, jobject speculation_log)) 849 ResourceMark rm; 850 HandleMark hm; 851 Handle target_handle(THREAD, JNIHandles::resolve(target)); 852 Handle compiled_code_handle(THREAD, JNIHandles::resolve(compiled_code)); 853 CodeBlob* cb = NULL; 854 Handle installed_code_handle(THREAD, JNIHandles::resolve(installed_code)); 855 Handle speculation_log_handle(THREAD, JNIHandles::resolve(speculation_log)); 856 857 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK_JNI_ERR); 858 859 TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer()); 860 bool is_immutable_PIC = HotSpotCompiledCode::isImmutablePIC(compiled_code_handle) > 0; 861 CodeInstaller installer(is_immutable_PIC); 862 JVMCIEnv::CodeInstallResult result = installer.install(compiler, target_handle, compiled_code_handle, cb, installed_code_handle, speculation_log_handle, CHECK_0); 863 864 if (PrintCodeCacheOnCompilation) { 865 stringStream s; 866 // Dump code cache into a buffer before locking the tty, 867 { 868 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); 869 CodeCache::print_summary(&s, false); 870 } 871 ttyLocker ttyl; 872 tty->print_raw_cr(s.as_string()); 873 } 874 875 if (result != JVMCIEnv::ok) { 876 assert(cb == NULL, "should be"); 877 } else { 878 if (!installed_code_handle.is_null()) { 879 assert(installed_code_handle->is_a(InstalledCode::klass()), "wrong type"); 880 nmethod::invalidate_installed_code(installed_code_handle, CHECK_0); 881 { 882 // Ensure that all updates to the InstalledCode fields are consistent. 883 MutexLockerEx pl(Patching_lock, Mutex::_no_safepoint_check_flag); 884 InstalledCode::set_address(installed_code_handle, (jlong) cb); 885 InstalledCode::set_version(installed_code_handle, InstalledCode::version(installed_code_handle) + 1); 886 if (cb->is_nmethod()) { 887 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->as_nmethod_or_null()->verified_entry_point()); 888 } else { 889 InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->code_begin()); 890 } 891 if (installed_code_handle->is_a(HotSpotInstalledCode::klass())) { 892 HotSpotInstalledCode::set_size(installed_code_handle, cb->size()); 893 HotSpotInstalledCode::set_codeStart(installed_code_handle, (jlong) cb->code_begin()); 894 HotSpotInstalledCode::set_codeSize(installed_code_handle, cb->code_size()); 895 } 896 } 897 nmethod* nm = cb->as_nmethod_or_null(); 898 if (nm != NULL && installed_code_handle->is_scavengable()) { 899 assert(nm->detect_scavenge_root_oops(), "nm should be scavengable if installed_code is scavengable"); 900 if (!UseG1GC) { 901 assert(nm->on_scavenge_root_list(), "nm should be on scavengable list"); 902 } 903 } 904 } 905 } 906 return result; 907 C2V_END 908 909 C2V_VMENTRY(jint, getMetadata, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject metadata)) 910 ResourceMark rm; 911 HandleMark hm; 912 913 Handle target_handle(THREAD, JNIHandles::resolve(target)); 914 Handle compiled_code_handle(THREAD, JNIHandles::resolve(compiled_code)); 915 Handle metadata_handle(THREAD, JNIHandles::resolve(metadata)); 916 917 CodeMetadata code_metadata; 918 CodeBlob *cb = NULL; 919 CodeInstaller installer(true /* immutable PIC compilation */); 920 921 JVMCIEnv::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, CHECK_0); 922 if (result != JVMCIEnv::ok) { 923 return result; 924 } 925 926 if (code_metadata.get_nr_pc_desc() > 0) { 927 typeArrayHandle pcArrayOop = oopFactory::new_byteArray_handle(sizeof(PcDesc) * code_metadata.get_nr_pc_desc(), CHECK_(JVMCIEnv::cache_full)); 928 memcpy(pcArrayOop->byte_at_addr(0), code_metadata.get_pc_desc(), sizeof(PcDesc) * code_metadata.get_nr_pc_desc()); 929 HotSpotMetaData::set_pcDescBytes(metadata_handle, pcArrayOop()); 930 } 931 932 if (code_metadata.get_scopes_size() > 0) { 933 typeArrayHandle scopesArrayOop = oopFactory::new_byteArray_handle(code_metadata.get_scopes_size(), CHECK_(JVMCIEnv::cache_full)); 934 memcpy(scopesArrayOop->byte_at_addr(0), code_metadata.get_scopes_desc(), code_metadata.get_scopes_size()); 935 HotSpotMetaData::set_scopesDescBytes(metadata_handle, scopesArrayOop()); 936 } 937 938 RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer(); 939 typeArrayHandle relocArrayOop = oopFactory::new_byteArray_handle((int) reloc_buffer->size(), CHECK_(JVMCIEnv::cache_full)); 940 if (reloc_buffer->size() > 0) { 941 memcpy(relocArrayOop->byte_at_addr(0), reloc_buffer->begin(), reloc_buffer->size()); 942 } 943 HotSpotMetaData::set_relocBytes(metadata_handle, relocArrayOop()); 944 945 const OopMapSet* oopMapSet = installer.oopMapSet(); 946 { 947 ResourceMark mark; 948 ImmutableOopMapBuilder builder(oopMapSet); 949 int oopmap_size = builder.heap_size(); 950 typeArrayHandle oopMapArrayHandle = oopFactory::new_byteArray_handle(oopmap_size, CHECK_(JVMCIEnv::cache_full)); 951 builder.generate_into((address) oopMapArrayHandle->byte_at_addr(0)); 952 HotSpotMetaData::set_oopMaps(metadata_handle, oopMapArrayHandle()); 953 } 954 955 AOTOopRecorder* recorder = code_metadata.get_oop_recorder(); 956 957 int nr_meta_strings = recorder->nr_meta_strings(); 958 objArrayOop metadataArray = oopFactory::new_objectArray(nr_meta_strings, CHECK_(JVMCIEnv::cache_full)); 959 objArrayHandle metadataArrayHandle(THREAD, metadataArray); 960 for (int i = 0; i < nr_meta_strings; ++i) { 961 const char* element = recorder->meta_element(i); 962 Handle java_string = java_lang_String::create_from_str(element, CHECK_(JVMCIEnv::cache_full)); 963 metadataArrayHandle->obj_at_put(i, java_string()); 964 } 965 HotSpotMetaData::set_metadata(metadata_handle, metadataArrayHandle()); 966 967 ExceptionHandlerTable* handler = code_metadata.get_exception_table(); 968 int table_size = handler->size_in_bytes(); 969 typeArrayHandle exceptionArrayOop = oopFactory::new_byteArray_handle(table_size, CHECK_(JVMCIEnv::cache_full)); 970 971 if (table_size > 0) { 972 handler->copy_bytes_to((address) exceptionArrayOop->byte_at_addr(0)); 973 } 974 HotSpotMetaData::set_exceptionBytes(metadata_handle, exceptionArrayOop()); 975 976 return result; 977 C2V_END 978 979 C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv *jniEnv, jobject)) 980 JVMCICompiler* compiler = JVMCICompiler::instance(CHECK); 981 CompilerStatistics* stats = compiler->stats(); 982 stats->_standard.reset(); 983 stats->_osr.reset(); 984 C2V_END 985 986 C2V_VMENTRY(jobject, disassembleCodeBlob, (JNIEnv *jniEnv, jobject, jobject installedCode)) 987 ResourceMark rm; 988 HandleMark hm; 989 990 if (installedCode == NULL) { 991 THROW_MSG_NULL(vmSymbols::java_lang_NullPointerException(), "installedCode is null"); 992 } 993 994 jlong codeBlob = InstalledCode::address(installedCode); 995 if (codeBlob == 0L) { 996 return NULL; 997 } 998 999 CodeBlob* cb = (CodeBlob*) (address) codeBlob; 1000 if (cb == NULL) { 1001 return NULL; 1002 } 1003 1004 // We don't want the stringStream buffer to resize during disassembly as it 1005 // uses scoped resource memory. If a nested function called during disassembly uses 1006 // a ResourceMark and the buffer expands within the scope of the mark, 1007 // the buffer becomes garbage when that scope is exited. Experience shows that 1008 // the disassembled code is typically about 10x the code size so a fixed buffer 1009 // sized to 20x code size plus a fixed amount for header info should be sufficient. 1010 int bufferSize = cb->code_size() * 20 + 1024; 1011 char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize); 1012 stringStream st(buffer, bufferSize); 1013 if (cb->is_nmethod()) { 1014 nmethod* nm = (nmethod*) cb; 1015 if (!nm->is_alive()) { 1016 return NULL; 1017 } 1018 } 1019 Disassembler::decode(cb, &st); 1020 if (st.size() <= 0) { 1021 return NULL; 1022 } 1023 1024 Handle result = java_lang_String::create_from_platform_dependent_str(st.as_string(), CHECK_NULL); 1025 return JNIHandles::make_local(THREAD, result()); 1026 C2V_END 1027 1028 C2V_VMENTRY(jobject, getStackTraceElement, (JNIEnv*, jobject, jobject jvmci_method, int bci)) 1029 ResourceMark rm; 1030 HandleMark hm; 1031 1032 methodHandle method = CompilerToVM::asMethod(jvmci_method); 1033 oop element = java_lang_StackTraceElement::create(method, bci, CHECK_NULL); 1034 return JNIHandles::make_local(THREAD, element); 1035 C2V_END 1036 1037 C2V_VMENTRY(jobject, executeInstalledCode, (JNIEnv*, jobject, jobject args, jobject hotspotInstalledCode)) 1038 ResourceMark rm; 1039 HandleMark hm; 1040 1041 jlong nmethodValue = InstalledCode::address(hotspotInstalledCode); 1042 if (nmethodValue == 0L) { 1043 THROW_NULL(vmSymbols::jdk_vm_ci_code_InvalidInstalledCodeException()); 1044 } 1045 nmethod* nm = (nmethod*) (address) nmethodValue; 1046 methodHandle mh = nm->method(); 1047 Symbol* signature = mh->signature(); 1048 JavaCallArguments jca(mh->size_of_parameters()); 1049 1050 JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static()); 1051 JavaValue result(jap.get_ret_type()); 1052 jca.set_alternative_target(nm); 1053 JavaCalls::call(&result, mh, &jca, CHECK_NULL); 1054 1055 if (jap.get_ret_type() == T_VOID) { 1056 return NULL; 1057 } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) { 1058 return JNIHandles::make_local(THREAD, (oop) result.get_jobject()); 1059 } else { 1060 jvalue *value = (jvalue *) result.get_value_addr(); 1061 // Narrow the value down if required (Important on big endian machines) 1062 switch (jap.get_ret_type()) { 1063 case T_BOOLEAN: 1064 value->z = (jboolean) value->i; 1065 break; 1066 case T_BYTE: 1067 value->b = (jbyte) value->i; 1068 break; 1069 case T_CHAR: 1070 value->c = (jchar) value->i; 1071 break; 1072 case T_SHORT: 1073 value->s = (jshort) value->i; 1074 break; 1075 } 1076 oop o = java_lang_boxing_object::create(jap.get_ret_type(), value, CHECK_NULL); 1077 return JNIHandles::make_local(THREAD, o); 1078 } 1079 C2V_END 1080 1081 C2V_VMENTRY(jlongArray, getLineNumberTable, (JNIEnv *, jobject, jobject jvmci_method)) 1082 Method* method = CompilerToVM::asMethod(jvmci_method); 1083 if (!method->has_linenumber_table()) { 1084 return NULL; 1085 } 1086 u2 num_entries = 0; 1087 CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table()); 1088 while (streamForSize.read_pair()) { 1089 num_entries++; 1090 } 1091 1092 CompressedLineNumberReadStream stream(method->compressed_linenumber_table()); 1093 typeArrayOop result = oopFactory::new_longArray(2 * num_entries, CHECK_NULL); 1094 1095 int i = 0; 1096 jlong value; 1097 while (stream.read_pair()) { 1098 value = ((long) stream.bci()); 1099 result->long_at_put(i, value); 1100 value = ((long) stream.line()); 1101 result->long_at_put(i + 1, value); 1102 i += 2; 1103 } 1104 1105 return (jlongArray) JNIHandles::make_local(THREAD, result); 1106 C2V_END 1107 1108 C2V_VMENTRY(jlong, getLocalVariableTableStart, (JNIEnv *, jobject, jobject jvmci_method)) 1109 ResourceMark rm; 1110 Method* method = CompilerToVM::asMethod(jvmci_method); 1111 if (!method->has_localvariable_table()) { 1112 return 0; 1113 } 1114 return (jlong) (address) method->localvariable_table_start(); 1115 C2V_END 1116 1117 C2V_VMENTRY(jint, getLocalVariableTableLength, (JNIEnv *, jobject, jobject jvmci_method)) 1118 ResourceMark rm; 1119 Method* method = CompilerToVM::asMethod(jvmci_method); 1120 return method->localvariable_table_length(); 1121 C2V_END 1122 1123 C2V_VMENTRY(void, reprofile, (JNIEnv*, jobject, jobject jvmci_method)) 1124 Method* method = CompilerToVM::asMethod(jvmci_method); 1125 MethodCounters* mcs = method->method_counters(); 1126 if (mcs != NULL) { 1127 mcs->clear_counters(); 1128 } 1129 NOT_PRODUCT(method->set_compiled_invocation_count(0)); 1130 1131 CompiledMethod* code = method->code(); 1132 if (code != NULL) { 1133 code->make_not_entrant(); 1134 } 1135 1136 MethodData* method_data = method->method_data(); 1137 if (method_data == NULL) { 1138 ClassLoaderData* loader_data = method->method_holder()->class_loader_data(); 1139 method_data = MethodData::allocate(loader_data, method, CHECK); 1140 method->set_method_data(method_data); 1141 } else { 1142 method_data->initialize(); 1143 } 1144 C2V_END 1145 1146 1147 C2V_VMENTRY(void, invalidateInstalledCode, (JNIEnv*, jobject, jobject installed_code)) 1148 Handle installed_code_handle(THREAD, JNIHandles::resolve(installed_code)); 1149 nmethod::invalidate_installed_code(installed_code_handle, CHECK); 1150 C2V_END 1151 1152 C2V_VMENTRY(jlongArray, collectCounters, (JNIEnv*, jobject)) 1153 typeArrayOop arrayOop = oopFactory::new_longArray(JVMCICounterSize, CHECK_NULL); 1154 JavaThread::collect_counters(arrayOop); 1155 return (jlongArray) JNIHandles::make_local(THREAD, arrayOop); 1156 C2V_END 1157 1158 C2V_VMENTRY(int, allocateCompileId, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci)) 1159 HandleMark hm; 1160 ResourceMark rm; 1161 if (JNIHandles::resolve(jvmci_method) == NULL) { 1162 THROW_0(vmSymbols::java_lang_NullPointerException()); 1163 } 1164 Method* method = CompilerToVM::asMethod(jvmci_method); 1165 if (entry_bci >= method->code_size() || entry_bci < -1) { 1166 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Unexpected bci %d", entry_bci)); 1167 } 1168 return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci); 1169 C2V_END 1170 1171 1172 C2V_VMENTRY(jboolean, isMature, (JNIEnv*, jobject, jlong metaspace_method_data)) 1173 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data); 1174 return mdo != NULL && mdo->is_mature(); 1175 C2V_END 1176 1177 C2V_VMENTRY(jboolean, hasCompiledCodeForOSR, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci, int comp_level)) 1178 Method* method = CompilerToVM::asMethod(jvmci_method); 1179 return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL; 1180 C2V_END 1181 1182 C2V_VMENTRY(jobject, getSymbol, (JNIEnv*, jobject, jlong symbol)) 1183 Handle sym = java_lang_String::create_from_symbol((Symbol*)(address)symbol, CHECK_NULL); 1184 return JNIHandles::make_local(THREAD, sym()); 1185 C2V_END 1186 1187 bool matches(jobjectArray methods, Method* method) { 1188 objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods); 1189 1190 for (int i = 0; i < methods_oop->length(); i++) { 1191 oop resolved = methods_oop->obj_at(i); 1192 if (resolved->is_a(HotSpotResolvedJavaMethodImpl::klass()) && CompilerToVM::asMethod(resolved) == method) { 1193 return true; 1194 } 1195 } 1196 return false; 1197 } 1198 1199 C2V_VMENTRY(jobject, getNextStackFrame, (JNIEnv*, jobject compilerToVM, jobject hs_frame, jobjectArray methods, jint initialSkip)) 1200 ResourceMark rm; 1201 1202 if (!thread->has_last_Java_frame()) return NULL; 1203 Handle result = HotSpotStackFrameReference::klass()->allocate_instance_handle(thread); 1204 HotSpotStackFrameReference::klass()->initialize(thread); 1205 1206 StackFrameStream fst(thread); 1207 if (hs_frame != NULL) { 1208 // look for the correct stack frame if one is given 1209 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame); 1210 while (fst.current()->sp() != stack_pointer && !fst.is_done()) { 1211 fst.next(); 1212 } 1213 if (fst.current()->sp() != stack_pointer) { 1214 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found") 1215 } 1216 } 1217 1218 int frame_number = 0; 1219 vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); 1220 if (hs_frame != NULL) { 1221 // look for the correct vframe within the stack frame if one is given 1222 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame); 1223 while (frame_number < last_frame_number) { 1224 if (vf->is_top()) { 1225 THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "invalid frame number") 1226 } 1227 vf = vf->sender(); 1228 frame_number ++; 1229 } 1230 // move one frame forward 1231 if (vf->is_top()) { 1232 if (fst.is_done()) { 1233 return NULL; 1234 } 1235 fst.next(); 1236 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); 1237 frame_number = 0; 1238 } else { 1239 vf = vf->sender(); 1240 frame_number++; 1241 } 1242 } 1243 1244 while (true) { 1245 // look for the given method 1246 while (true) { 1247 StackValueCollection* locals = NULL; 1248 if (vf->is_compiled_frame()) { 1249 // compiled method frame 1250 compiledVFrame* cvf = compiledVFrame::cast(vf); 1251 if (methods == NULL || matches(methods, cvf->method())) { 1252 if (initialSkip > 0) { 1253 initialSkip --; 1254 } else { 1255 ScopeDesc* scope = cvf->scope(); 1256 // native wrapper do not have a scope 1257 if (scope != NULL && scope->objects() != NULL) { 1258 bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), scope->objects(), THREAD); 1259 Deoptimization::reassign_fields(fst.current(), fst.register_map(), scope->objects(), realloc_failures, false); 1260 1261 GrowableArray<ScopeValue*>* local_values = scope->locals(); 1262 typeArrayOop array_oop = oopFactory::new_boolArray(local_values->length(), thread); 1263 typeArrayHandle array(THREAD, array_oop); 1264 for (int i = 0; i < local_values->length(); i++) { 1265 ScopeValue* value = local_values->at(i); 1266 if (value->is_object()) { 1267 array->bool_at_put(i, true); 1268 } 1269 } 1270 HotSpotStackFrameReference::set_localIsVirtual(result, array()); 1271 } else { 1272 HotSpotStackFrameReference::set_localIsVirtual(result, NULL); 1273 } 1274 1275 locals = cvf->locals(); 1276 HotSpotStackFrameReference::set_bci(result, cvf->bci()); 1277 oop method = CompilerToVM::get_jvmci_method(cvf->method(), CHECK_NULL); 1278 HotSpotStackFrameReference::set_method(result, method); 1279 } 1280 } 1281 } else if (vf->is_interpreted_frame()) { 1282 // interpreted method frame 1283 interpretedVFrame* ivf = interpretedVFrame::cast(vf); 1284 if (methods == NULL || matches(methods, ivf->method())) { 1285 if (initialSkip > 0) { 1286 initialSkip --; 1287 } else { 1288 locals = ivf->locals(); 1289 HotSpotStackFrameReference::set_bci(result, ivf->bci()); 1290 oop method = CompilerToVM::get_jvmci_method(ivf->method(), CHECK_NULL); 1291 HotSpotStackFrameReference::set_method(result, method); 1292 HotSpotStackFrameReference::set_localIsVirtual(result, NULL); 1293 } 1294 } 1295 } 1296 1297 // locals != NULL means that we found a matching frame and result is already partially initialized 1298 if (locals != NULL) { 1299 HotSpotStackFrameReference::set_compilerToVM(result, JNIHandles::resolve(compilerToVM)); 1300 HotSpotStackFrameReference::set_stackPointer(result, (jlong) fst.current()->sp()); 1301 HotSpotStackFrameReference::set_frameNumber(result, frame_number); 1302 1303 // initialize the locals array 1304 objArrayOop array_oop = oopFactory::new_objectArray(locals->size(), CHECK_NULL); 1305 objArrayHandle array(THREAD, array_oop); 1306 for (int i = 0; i < locals->size(); i++) { 1307 StackValue* var = locals->at(i); 1308 if (var->type() == T_OBJECT) { 1309 array->obj_at_put(i, locals->at(i)->get_obj()()); 1310 } 1311 } 1312 HotSpotStackFrameReference::set_locals(result, array()); 1313 1314 return JNIHandles::make_local(thread, result()); 1315 } 1316 1317 if (vf->is_top()) { 1318 break; 1319 } 1320 frame_number++; 1321 vf = vf->sender(); 1322 } // end of vframe loop 1323 1324 if (fst.is_done()) { 1325 break; 1326 } 1327 fst.next(); 1328 vf = vframe::new_vframe(fst.current(), fst.register_map(), thread); 1329 frame_number = 0; 1330 } // end of frame loop 1331 1332 // the end was reached without finding a matching method 1333 return NULL; 1334 C2V_END 1335 1336 C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 1337 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 1338 CallInfo callInfo; 1339 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK); 1340 ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index); 1341 cp_cache_entry->set_dynamic_call(cp, callInfo); 1342 C2V_END 1343 1344 C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index)) 1345 constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool); 1346 KlassHandle holder = cp->klass_ref_at(index, CHECK); 1347 Symbol* name = cp->name_ref_at(index); 1348 if (MethodHandles::is_signature_polymorphic_name(holder(), name)) { 1349 CallInfo callInfo; 1350 LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK); 1351 ConstantPoolCacheEntry* cp_cache_entry = cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index)); 1352 cp_cache_entry->set_method_handle(cp, callInfo); 1353 } 1354 C2V_END 1355 1356 C2V_VMENTRY(jobject, getSignaturePolymorphicHolders, (JNIEnv*, jobject)) 1357 objArrayHandle holders = oopFactory::new_objArray_handle(SystemDictionary::String_klass(), 2, CHECK_NULL); 1358 Handle mh = java_lang_String::create_from_str("Ljava/lang/invoke/MethodHandle;", CHECK_NULL); 1359 Handle vh = java_lang_String::create_from_str("Ljava/lang/invoke/VarHandle;", CHECK_NULL); 1360 holders->obj_at_put(0, mh()); 1361 holders->obj_at_put(1, vh()); 1362 return JNIHandles::make_local(THREAD, holders()); 1363 C2V_END 1364 1365 C2V_VMENTRY(jboolean, shouldDebugNonSafepoints, (JNIEnv*, jobject)) 1366 //see compute_recording_non_safepoints in debugInfroRec.cpp 1367 if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) { 1368 return true; 1369 } 1370 return DebugNonSafepoints; 1371 C2V_END 1372 1373 // public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate); 1374 C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv*, jobject, jobject hs_frame, bool invalidate)) 1375 ResourceMark rm; 1376 1377 if (hs_frame == NULL) { 1378 THROW_MSG(vmSymbols::java_lang_NullPointerException(), "stack frame is null") 1379 } 1380 1381 HotSpotStackFrameReference::klass()->initialize(thread); 1382 1383 // look for the given stack frame 1384 StackFrameStream fst(thread); 1385 intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame); 1386 while (fst.current()->sp() != stack_pointer && !fst.is_done()) { 1387 fst.next(); 1388 } 1389 if (fst.current()->sp() != stack_pointer) { 1390 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found") 1391 } 1392 1393 if (invalidate) { 1394 if (!fst.current()->is_compiled_frame()) { 1395 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected") 1396 } 1397 assert(fst.current()->cb()->is_nmethod(), "nmethod expected"); 1398 ((nmethod*) fst.current()->cb())->make_not_entrant(); 1399 } 1400 Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none); 1401 // look for the frame again as it has been updated by deopt (pc, deopt state...) 1402 StackFrameStream fstAfterDeopt(thread); 1403 while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) { 1404 fstAfterDeopt.next(); 1405 } 1406 if (fstAfterDeopt.current()->sp() != stack_pointer) { 1407 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt") 1408 } 1409 1410 vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread); 1411 if (!vf->is_compiled_frame()) { 1412 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected") 1413 } 1414 1415 GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10); 1416 while (true) { 1417 assert(vf->is_compiled_frame(), "Wrong frame type"); 1418 virtualFrames->push(compiledVFrame::cast(vf)); 1419 if (vf->is_top()) { 1420 break; 1421 } 1422 vf = vf->sender(); 1423 } 1424 1425 int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame); 1426 if (last_frame_number >= virtualFrames->length()) { 1427 THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "invalid frame number") 1428 } 1429 1430 // Reallocate the non-escaping objects and restore their fields. 1431 assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope"); 1432 GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects(); 1433 1434 if (objects == NULL) { 1435 // no objects to materialize 1436 return; 1437 } 1438 1439 bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), objects, THREAD); 1440 Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false); 1441 1442 for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) { 1443 compiledVFrame* cvf = virtualFrames->at(frame_index); 1444 1445 GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals(); 1446 StackValueCollection* locals = cvf->locals(); 1447 1448 if (locals != NULL) { 1449 for (int i2 = 0; i2 < locals->size(); i2++) { 1450 StackValue* var = locals->at(i2); 1451 if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) { 1452 jvalue val; 1453 val.l = (jobject) locals->at(i2)->get_obj()(); 1454 cvf->update_local(T_OBJECT, i2, val); 1455 } 1456 } 1457 } 1458 } 1459 1460 // all locals are materialized by now 1461 HotSpotStackFrameReference::set_localIsVirtual(hs_frame, NULL); 1462 1463 // update the locals array 1464 objArrayHandle array(THREAD, HotSpotStackFrameReference::locals(hs_frame)); 1465 StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals(); 1466 for (int i = 0; i < locals->size(); i++) { 1467 StackValue* var = locals->at(i); 1468 if (var->type() == T_OBJECT) { 1469 array->obj_at_put(i, locals->at(i)->get_obj()()); 1470 } 1471 } 1472 C2V_END 1473 1474 C2V_VMENTRY(void, writeDebugOutput, (JNIEnv*, jobject, jbyteArray bytes, jint offset, jint length)) 1475 if (bytes == NULL) { 1476 THROW(vmSymbols::java_lang_NullPointerException()); 1477 } 1478 typeArrayOop array = (typeArrayOop) JNIHandles::resolve(bytes); 1479 1480 // Check if offset and length are non negative. 1481 if (offset < 0 || length < 0) { 1482 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); 1483 } 1484 // Check if the range is valid. 1485 if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array->length())) { 1486 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException()); 1487 } 1488 while (length > 0) { 1489 jbyte* start = array->byte_at_addr(offset); 1490 tty->write((char*) start, MIN2(length, O_BUFLEN)); 1491 length -= O_BUFLEN; 1492 offset += O_BUFLEN; 1493 } 1494 C2V_END 1495 1496 C2V_VMENTRY(void, flushDebugOutput, (JNIEnv*, jobject)) 1497 tty->flush(); 1498 C2V_END 1499 1500 C2V_VMENTRY(int, methodDataProfileDataSize, (JNIEnv*, jobject, jlong metaspace_method_data, jint position)) 1501 ResourceMark rm; 1502 MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data); 1503 ProfileData* profile_data = mdo->data_at(position); 1504 if (mdo->is_valid(profile_data)) { 1505 return profile_data->size_in_bytes(); 1506 } 1507 DataLayout* data = mdo->extra_data_base(); 1508 DataLayout* end = mdo->extra_data_limit(); 1509 for (;; data = mdo->next_extra(data)) { 1510 assert(data < end, "moved past end of extra data"); 1511 profile_data = data->data_in(); 1512 if (mdo->dp_to_di(profile_data->dp()) == position) { 1513 return profile_data->size_in_bytes(); 1514 } 1515 } 1516 THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Invalid profile data position %d", position)); 1517 C2V_END 1518 1519 C2V_VMENTRY(jlong, getFingerprint, (JNIEnv*, jobject, jlong metaspace_klass)) 1520 Klass *k = CompilerToVM::asKlass(metaspace_klass); 1521 if (k->is_instance_klass()) { 1522 return InstanceKlass::cast(k)->get_stored_fingerprint(); 1523 } else { 1524 return 0; 1525 } 1526 C2V_END 1527 1528 C2V_VMENTRY(int, interpreterFrameSize, (JNIEnv*, jobject, jobject bytecode_frame_handle)) 1529 if (bytecode_frame_handle == NULL) { 1530 THROW_0(vmSymbols::java_lang_NullPointerException()); 1531 } 1532 1533 oop top_bytecode_frame = JNIHandles::resolve_non_null(bytecode_frame_handle); 1534 oop bytecode_frame = top_bytecode_frame; 1535 int size = 0; 1536 int callee_parameters = 0; 1537 int callee_locals = 0; 1538 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame)); 1539 int extra_args = method->max_stack() - BytecodeFrame::numStack(bytecode_frame); 1540 1541 while (bytecode_frame != NULL) { 1542 int locks = BytecodeFrame::numLocks(bytecode_frame); 1543 int temps = BytecodeFrame::numStack(bytecode_frame); 1544 bool is_top_frame = (bytecode_frame == top_bytecode_frame); 1545 Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame)); 1546 1547 int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(), 1548 temps + callee_parameters, 1549 extra_args, 1550 locks, 1551 callee_parameters, 1552 callee_locals, 1553 is_top_frame); 1554 size += frame_size; 1555 1556 callee_parameters = method->size_of_parameters(); 1557 callee_locals = method->max_locals(); 1558 extra_args = 0; 1559 bytecode_frame = BytecodePosition::caller(bytecode_frame); 1560 } 1561 return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord; 1562 C2V_END 1563 1564 C2V_VMENTRY(void, compileToBytecode, (JNIEnv*, jobject, jobject lambda_form_handle)) 1565 Handle lambda_form(THREAD, JNIHandles::resolve_non_null(lambda_form_handle)); 1566 if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) { 1567 TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode", CHECK); 1568 JavaValue result(T_VOID); 1569 JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK); 1570 } else { 1571 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), 1572 err_msg("Unexpected type: %s", lambda_form->klass()->external_name())); 1573 } 1574 C2V_END 1575 1576 #define CC (char*) /*cast a literal from (const char*)*/ 1577 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f)) 1578 1579 #define STRING "Ljava/lang/String;" 1580 #define OBJECT "Ljava/lang/Object;" 1581 #define CLASS "Ljava/lang/Class;" 1582 #define EXECUTABLE "Ljava/lang/reflect/Executable;" 1583 #define STACK_TRACE_ELEMENT "Ljava/lang/StackTraceElement;" 1584 #define INSTALLED_CODE "Ljdk/vm/ci/code/InstalledCode;" 1585 #define TARGET_DESCRIPTION "Ljdk/vm/ci/code/TargetDescription;" 1586 #define BYTECODE_FRAME "Ljdk/vm/ci/code/BytecodeFrame;" 1587 #define RESOLVED_METHOD "Ljdk/vm/ci/meta/ResolvedJavaMethod;" 1588 #define HS_RESOLVED_METHOD "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;" 1589 #define HS_RESOLVED_KLASS "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;" 1590 #define HS_CONSTANT_POOL "Ljdk/vm/ci/hotspot/HotSpotConstantPool;" 1591 #define HS_COMPILED_CODE "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;" 1592 #define HS_CONFIG "Ljdk/vm/ci/hotspot/HotSpotVMConfig;" 1593 #define HS_METADATA "Ljdk/vm/ci/hotspot/HotSpotMetaData;" 1594 #define HS_STACK_FRAME_REF "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;" 1595 #define HS_SPECULATION_LOG "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;" 1596 #define METASPACE_METHOD_DATA "J" 1597 1598 JNINativeMethod CompilerToVM::methods[] = { 1599 {CC "getBytecode", CC "(" HS_RESOLVED_METHOD ")[B", FN_PTR(getBytecode)}, 1600 {CC "getExceptionTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getExceptionTableStart)}, 1601 {CC "getExceptionTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getExceptionTableLength)}, 1602 {CC "findUniqueConcreteMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD, FN_PTR(findUniqueConcreteMethod)}, 1603 {CC "getImplementor", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS, FN_PTR(getImplementor)}, 1604 {CC "getStackTraceElement", CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT, FN_PTR(getStackTraceElement)}, 1605 {CC "methodIsIgnoredBySecurityStackWalk", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(methodIsIgnoredBySecurityStackWalk)}, 1606 {CC "doNotInlineOrCompile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(doNotInlineOrCompile)}, 1607 {CC "isCompilable", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(isCompilable)}, 1608 {CC "hasNeverInlineDirective", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(hasNeverInlineDirective)}, 1609 {CC "shouldInlineMethod", CC "(" HS_RESOLVED_METHOD ")Z", FN_PTR(shouldInlineMethod)}, 1610 {CC "lookupType", CC "(" STRING CLASS "Z)" HS_RESOLVED_KLASS, FN_PTR(lookupType)}, 1611 {CC "lookupNameInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupNameInPool)}, 1612 {CC "lookupNameAndTypeRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupNameAndTypeRefIndexInPool)}, 1613 {CC "lookupSignatureInPool", CC "(" HS_CONSTANT_POOL "I)" STRING, FN_PTR(lookupSignatureInPool)}, 1614 {CC "lookupKlassRefIndexInPool", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(lookupKlassRefIndexInPool)}, 1615 {CC "lookupKlassInPool", CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;", FN_PTR(lookupKlassInPool)}, 1616 {CC "lookupAppendixInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(lookupAppendixInPool)}, 1617 {CC "lookupMethodInPool", CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD, FN_PTR(lookupMethodInPool)}, 1618 {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I", FN_PTR(constantPoolRemapInstructionOperandFromCache)}, 1619 {CC "resolveConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolveConstantInPool)}, 1620 {CC "resolvePossiblyCachedConstantInPool", CC "(" HS_CONSTANT_POOL "I)" OBJECT, FN_PTR(resolvePossiblyCachedConstantInPool)}, 1621 {CC "resolveTypeInPool", CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS, FN_PTR(resolveTypeInPool)}, 1622 {CC "resolveFieldInPool", CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[J)" HS_RESOLVED_KLASS, FN_PTR(resolveFieldInPool)}, 1623 {CC "resolveInvokeDynamicInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeDynamicInPool)}, 1624 {CC "resolveInvokeHandleInPool", CC "(" HS_CONSTANT_POOL "I)V", FN_PTR(resolveInvokeHandleInPool)}, 1625 {CC "resolveMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)}, 1626 {CC "getSignaturePolymorphicHolders", CC "()[" STRING, FN_PTR(getSignaturePolymorphicHolders)}, 1627 {CC "getVtableIndexForInterfaceMethod", CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I", FN_PTR(getVtableIndexForInterfaceMethod)}, 1628 {CC "getClassInitializer", CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(getClassInitializer)}, 1629 {CC "hasFinalizableSubclass", CC "(" HS_RESOLVED_KLASS ")Z", FN_PTR(hasFinalizableSubclass)}, 1630 {CC "getMaxCallTargetOffset", CC "(J)J", FN_PTR(getMaxCallTargetOffset)}, 1631 {CC "asResolvedJavaMethod", CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD, FN_PTR(asResolvedJavaMethod)}, 1632 {CC "getResolvedJavaMethod", CC "(Ljava/lang/Object;J)" HS_RESOLVED_METHOD, FN_PTR(getResolvedJavaMethod)}, 1633 {CC "getConstantPool", CC "(Ljava/lang/Object;)" HS_CONSTANT_POOL, FN_PTR(getConstantPool)}, 1634 {CC "getResolvedJavaType", CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS, FN_PTR(getResolvedJavaType)}, 1635 {CC "readConfiguration", CC "()[" OBJECT, FN_PTR(readConfiguration)}, 1636 {CC "installCode", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE HS_SPECULATION_LOG ")I", FN_PTR(installCode)}, 1637 {CC "getMetadata", CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I", FN_PTR(getMetadata)}, 1638 {CC "resetCompilationStatistics", CC "()V", FN_PTR(resetCompilationStatistics)}, 1639 {CC "disassembleCodeBlob", CC "(" INSTALLED_CODE ")" STRING, FN_PTR(disassembleCodeBlob)}, 1640 {CC "executeInstalledCode", CC "([" OBJECT INSTALLED_CODE ")" OBJECT, FN_PTR(executeInstalledCode)}, 1641 {CC "getLineNumberTable", CC "(" HS_RESOLVED_METHOD ")[J", FN_PTR(getLineNumberTable)}, 1642 {CC "getLocalVariableTableStart", CC "(" HS_RESOLVED_METHOD ")J", FN_PTR(getLocalVariableTableStart)}, 1643 {CC "getLocalVariableTableLength", CC "(" HS_RESOLVED_METHOD ")I", FN_PTR(getLocalVariableTableLength)}, 1644 {CC "reprofile", CC "(" HS_RESOLVED_METHOD ")V", FN_PTR(reprofile)}, 1645 {CC "invalidateInstalledCode", CC "(" INSTALLED_CODE ")V", FN_PTR(invalidateInstalledCode)}, 1646 {CC "collectCounters", CC "()[J", FN_PTR(collectCounters)}, 1647 {CC "allocateCompileId", CC "(" HS_RESOLVED_METHOD "I)I", FN_PTR(allocateCompileId)}, 1648 {CC "isMature", CC "(" METASPACE_METHOD_DATA ")Z", FN_PTR(isMature)}, 1649 {CC "hasCompiledCodeForOSR", CC "(" HS_RESOLVED_METHOD "II)Z", FN_PTR(hasCompiledCodeForOSR)}, 1650 {CC "getSymbol", CC "(J)" STRING, FN_PTR(getSymbol)}, 1651 {CC "getNextStackFrame", CC "(" HS_STACK_FRAME_REF "[" RESOLVED_METHOD "I)" HS_STACK_FRAME_REF, FN_PTR(getNextStackFrame)}, 1652 {CC "materializeVirtualObjects", CC "(" HS_STACK_FRAME_REF "Z)V", FN_PTR(materializeVirtualObjects)}, 1653 {CC "shouldDebugNonSafepoints", CC "()Z", FN_PTR(shouldDebugNonSafepoints)}, 1654 {CC "writeDebugOutput", CC "([BII)V", FN_PTR(writeDebugOutput)}, 1655 {CC "flushDebugOutput", CC "()V", FN_PTR(flushDebugOutput)}, 1656 {CC "methodDataProfileDataSize", CC "(JI)I", FN_PTR(methodDataProfileDataSize)}, 1657 {CC "getFingerprint", CC "(J)J", FN_PTR(getFingerprint)}, 1658 {CC "interpreterFrameSize", CC "(" BYTECODE_FRAME ")I", FN_PTR(interpreterFrameSize)}, 1659 {CC "compileToBytecode", CC "(" OBJECT ")V", FN_PTR(compileToBytecode)}, 1660 }; 1661 1662 int CompilerToVM::methods_count() { 1663 return sizeof(methods) / sizeof(JNINativeMethod); 1664 }