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 }