view src/hotspot/share/jvmci/jvmciCompilerToVM.cpp @ 51997:9ce37fa2e179

8209138: Symbol constructor uses u1 as the element type of its name argument Summary: Maske u1 the type for Symbol values and add a function to return it as a char. Reviewed-by: dholmes, coleenp
author hseigel
date Wed, 03 Oct 2018 09:46:46 -0400
parents 18afb2097ada
children 274ba8fbd96d
line wrap: on
line source
/*
 * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

#include "precompiled.hpp"
#include "ci/ciUtilities.inline.hpp"
#include "classfile/javaClasses.inline.hpp"
#include "code/scopeDesc.hpp"
#include "interpreter/linkResolver.hpp"
#include "memory/oopFactory.hpp"
#include "oops/cpCache.inline.hpp"
#include "oops/generateOopMap.hpp"
#include "oops/method.inline.hpp"
#include "oops/objArrayOop.inline.hpp"
#include "oops/typeArrayOop.inline.hpp"
#include "compiler/compileBroker.hpp"
#include "compiler/disassembler.hpp"
#include "jvmci/jvmciCompilerToVM.hpp"
#include "jvmci/jvmciCodeInstaller.hpp"
#include "jvmci/jvmciRuntime.hpp"
#include "runtime/fieldDescriptor.inline.hpp"
#include "runtime/flags/jvmFlag.hpp"
#include "runtime/frame.inline.hpp"
#include "runtime/interfaceSupport.inline.hpp"
#include "runtime/jniHandles.inline.hpp"
#include "runtime/timerTrace.hpp"
#include "runtime/vframe_hp.hpp"

JVMCIKlassHandle::JVMCIKlassHandle(Thread* thread, Klass* klass) {
  _thread = thread;
  _klass = klass;
  if (klass != NULL) {
    _holder = Handle(_thread, klass->holder_phantom());
  }
}

JVMCIKlassHandle& JVMCIKlassHandle::operator=(Klass* klass) {
  _klass = klass;
  if (klass != NULL) {
    _holder = Handle(_thread, klass->holder_phantom());
  }
  return *this;
}

void JNIHandleMark::push_jni_handle_block() {
  JavaThread* thread = JavaThread::current();
  if (thread != NULL) {
    // Allocate a new block for JNI handles.
    // Inlined code from jni_PushLocalFrame()
    JNIHandleBlock* java_handles = ((JavaThread*)thread)->active_handles();
    JNIHandleBlock* compile_handles = JNIHandleBlock::allocate_block(thread);
    assert(compile_handles != NULL && java_handles != NULL, "should not be NULL");
    compile_handles->set_pop_frame_link(java_handles);
    thread->set_active_handles(compile_handles);
  }
}

void JNIHandleMark::pop_jni_handle_block() {
  JavaThread* thread = JavaThread::current();
  if (thread != NULL) {
    // Release our JNI handle block
    JNIHandleBlock* compile_handles = thread->active_handles();
    JNIHandleBlock* java_handles = compile_handles->pop_frame_link();
    thread->set_active_handles(java_handles);
    compile_handles->set_pop_frame_link(NULL);
    JNIHandleBlock::release_block(compile_handles, thread); // may block
  }
}

// Entry to native method implementation that transitions current thread to '_thread_in_vm'.
#define C2V_VMENTRY(result_type, name, signature) \
  JNIEXPORT result_type JNICALL c2v_ ## name signature { \
  TRACE_jvmci_1("CompilerToVM::" #name); \
  TRACE_CALL(result_type, jvmci_ ## name signature) \
  JVMCI_VM_ENTRY_MARK; \

#define C2V_END }

oop CompilerToVM::get_jvmci_method(const methodHandle& method, TRAPS) {
  if (method() != NULL) {
    JavaValue result(T_OBJECT);
    JavaCallArguments args;
    args.push_long((jlong) (address) method());
    JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedJavaMethodImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::method_fromMetaspace_signature(), &args, CHECK_NULL);

    return (oop)result.get_jobject();
  }
  return NULL;
}

oop CompilerToVM::get_jvmci_type(JVMCIKlassHandle& klass, TRAPS) {
  if (!klass.is_null()) {
    JavaValue result(T_OBJECT);
    JavaCallArguments args;
    args.push_oop(Handle(THREAD, klass->java_mirror()));
    JavaCalls::call_static(&result, SystemDictionary::HotSpotResolvedObjectTypeImpl_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::klass_fromMetaspace_signature(), &args, CHECK_NULL);

    return (oop)result.get_jobject();
  }
  return NULL;
}

Handle JavaArgumentUnboxer::next_arg(BasicType expectedType) {
  assert(_index < _args->length(), "out of bounds");
  oop arg=((objArrayOop) (_args))->obj_at(_index++);
  assert(expectedType == T_OBJECT || java_lang_boxing_object::is_instance(arg, expectedType), "arg type mismatch");
  return Handle(Thread::current(), arg);
}

jobjectArray readConfiguration0(JNIEnv *env, TRAPS);

C2V_VMENTRY(jobjectArray, readConfiguration, (JNIEnv *env))
   jobjectArray config = readConfiguration0(env, CHECK_NULL);
   return config;
C2V_END

C2V_VMENTRY(jobject, getFlagValue, (JNIEnv *, jobject c2vm, jobject name_handle))
#define RETURN_BOXED_LONG(value) oop box; jvalue p; p.j = (jlong) (value); box = java_lang_boxing_object::create(T_LONG, &p, CHECK_NULL); return JNIHandles::make_local(THREAD, box);
#define RETURN_BOXED_DOUBLE(value) oop box; jvalue p; p.d = (jdouble) (value); box = java_lang_boxing_object::create(T_DOUBLE, &p, CHECK_NULL); return JNIHandles::make_local(THREAD, box);
  Handle name(THREAD, JNIHandles::resolve(name_handle));
  if (name.is_null()) {
    THROW_0(vmSymbols::java_lang_NullPointerException());
  }
  ResourceMark rm;
  const char* cstring = java_lang_String::as_utf8_string(name());
  JVMFlag* flag = JVMFlag::find_flag(cstring, strlen(cstring), /* allow_locked */ true, /* return_flag */ true);
  if (flag == NULL) {
    return c2vm;
  }
  if (flag->is_bool()) {
    jvalue prim;
    prim.z = flag->get_bool();
    oop box = java_lang_boxing_object::create(T_BOOLEAN, &prim, CHECK_NULL);
    return JNIHandles::make_local(THREAD, box);
  } else if (flag->is_ccstr()) {
    Handle value = java_lang_String::create_from_str(flag->get_ccstr(), CHECK_NULL);
    return JNIHandles::make_local(THREAD, value());
  } else if (flag->is_intx()) {
    RETURN_BOXED_LONG(flag->get_intx());
  } else if (flag->is_int()) {
    RETURN_BOXED_LONG(flag->get_int());
  } else if (flag->is_uint()) {
    RETURN_BOXED_LONG(flag->get_uint());
  } else if (flag->is_uint64_t()) {
    RETURN_BOXED_LONG(flag->get_uint64_t());
  } else if (flag->is_size_t()) {
    RETURN_BOXED_LONG(flag->get_size_t());
  } else if (flag->is_uintx()) {
    RETURN_BOXED_LONG(flag->get_uintx());
  } else if (flag->is_double()) {
    RETURN_BOXED_DOUBLE(flag->get_double());
  } else {
    JVMCI_ERROR_NULL("VM flag %s has unsupported type %s", flag->_name, flag->_type);
  }
#undef RETURN_BOXED_LONG
#undef RETURN_BOXED_DOUBLE
C2V_END

C2V_VMENTRY(jbyteArray, getBytecode, (JNIEnv *, jobject, jobject jvmci_method))
  methodHandle method = CompilerToVM::asMethod(jvmci_method);
  ResourceMark rm;

  int code_size = method->code_size();
  typeArrayOop reconstituted_code = oopFactory::new_byteArray(code_size, CHECK_NULL);

  guarantee(method->method_holder()->is_rewritten(), "Method's holder should be rewritten");
  // iterate over all bytecodes and replace non-Java bytecodes

  for (BytecodeStream s(method); s.next() != Bytecodes::_illegal; ) {
    Bytecodes::Code code = s.code();
    Bytecodes::Code raw_code = s.raw_code();
    int bci = s.bci();
    int len = s.instruction_size();

    // Restore original byte code.
    reconstituted_code->byte_at_put(bci, (jbyte) (s.is_wide()? Bytecodes::_wide : code));
    if (len > 1) {
      memcpy(reconstituted_code->byte_at_addr(bci + 1), s.bcp()+1, len-1);
    }

    if (len > 1) {
      // Restore the big-endian constant pool indexes.
      // Cf. Rewriter::scan_method
      switch (code) {
        case Bytecodes::_getstatic:
        case Bytecodes::_putstatic:
        case Bytecodes::_getfield:
        case Bytecodes::_putfield:
        case Bytecodes::_invokevirtual:
        case Bytecodes::_invokespecial:
        case Bytecodes::_invokestatic:
        case Bytecodes::_invokeinterface:
        case Bytecodes::_invokehandle: {
          int cp_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
          Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
          break;
        }

        case Bytecodes::_invokedynamic: {
          int cp_index = Bytes::get_native_u4((address) reconstituted_code->byte_at_addr(bci + 1));
          Bytes::put_Java_u4((address) reconstituted_code->byte_at_addr(bci + 1), (u4) cp_index);
          break;
        }

        default:
          break;
      }

      // Not all ldc byte code are rewritten.
      switch (raw_code) {
        case Bytecodes::_fast_aldc: {
          int cpc_index = reconstituted_code->byte_at(bci + 1) & 0xff;
          int cp_index = method->constants()->object_to_cp_index(cpc_index);
          assert(cp_index < method->constants()->length(), "sanity check");
          reconstituted_code->byte_at_put(bci + 1, (jbyte) cp_index);
          break;
        }

        case Bytecodes::_fast_aldc_w: {
          int cpc_index = Bytes::get_native_u2((address) reconstituted_code->byte_at_addr(bci + 1));
          int cp_index = method->constants()->object_to_cp_index(cpc_index);
          assert(cp_index < method->constants()->length(), "sanity check");
          Bytes::put_Java_u2((address) reconstituted_code->byte_at_addr(bci + 1), (u2) cp_index);
          break;
        }

        default:
          break;
      }
    }
  }

  return (jbyteArray) JNIHandles::make_local(THREAD, reconstituted_code);
C2V_END

C2V_VMENTRY(jint, getExceptionTableLength, (JNIEnv *, jobject, jobject jvmci_method))
  ResourceMark rm;
  methodHandle method = CompilerToVM::asMethod(jvmci_method);
  return method->exception_table_length();
C2V_END

C2V_VMENTRY(jlong, getExceptionTableStart, (JNIEnv *, jobject, jobject jvmci_method))
  ResourceMark rm;
  methodHandle method = CompilerToVM::asMethod(jvmci_method);
  if (method->exception_table_length() == 0) {
    return 0L;
  }
  return (jlong) (address) method->exception_table_start();
C2V_END

C2V_VMENTRY(jobject, asResolvedJavaMethod, (JNIEnv *, jobject, jobject executable_handle))
  oop executable = JNIHandles::resolve(executable_handle);
  oop mirror = NULL;
  int slot = 0;

  if (executable->klass() == SystemDictionary::reflect_Constructor_klass()) {
    mirror = java_lang_reflect_Constructor::clazz(executable);
    slot = java_lang_reflect_Constructor::slot(executable);
  } else {
    assert(executable->klass() == SystemDictionary::reflect_Method_klass(), "wrong type");
    mirror = java_lang_reflect_Method::clazz(executable);
    slot = java_lang_reflect_Method::slot(executable);
  }
  Klass* holder = java_lang_Class::as_Klass(mirror);
  methodHandle method = InstanceKlass::cast(holder)->method_with_idnum(slot);
  oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
  return JNIHandles::make_local(THREAD, result);
}

C2V_VMENTRY(jobject, getResolvedJavaMethod, (JNIEnv *, jobject, jobject base, jlong offset))
  methodHandle method;
  oop base_object = JNIHandles::resolve(base);
  if (base_object == NULL) {
    method = *((Method**)(offset));
  } else if (base_object->is_a(SystemDictionary::ResolvedMethodName_klass())) {
    method = (Method*) (intptr_t) base_object->long_field(offset);
  } else if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
    method = *((Method**)(HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object) + offset));
  } else {
    THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
                err_msg("Unexpected type: %s", base_object->klass()->external_name()));
  }
  assert (method.is_null() || method->is_method(), "invalid read");
  oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
  return JNIHandles::make_local(THREAD, result);
}

C2V_VMENTRY(jobject, getConstantPool, (JNIEnv *, jobject, jobject object_handle))
  constantPoolHandle cp;
  oop object = JNIHandles::resolve(object_handle);
  if (object == NULL) {
    THROW_0(vmSymbols::java_lang_NullPointerException());
  }
  if (object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
    cp = CompilerToVM::asMethod(object)->constMethod()->constants();
  } else if (object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
    cp = InstanceKlass::cast(CompilerToVM::asKlass(object))->constants();
  } else {
    THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
                err_msg("Unexpected type: %s", object->klass()->external_name()));
  }
  assert(!cp.is_null(), "npe");
  JavaValue method_result(T_OBJECT);
  JavaCallArguments args;
  args.push_long((jlong) (address) cp());
  JavaCalls::call_static(&method_result, SystemDictionary::HotSpotConstantPool_klass(), vmSymbols::fromMetaspace_name(), vmSymbols::constantPool_fromMetaspace_signature(), &args, CHECK_NULL);
  return JNIHandles::make_local(THREAD, (oop)method_result.get_jobject());
}

C2V_VMENTRY(jobject, getResolvedJavaType, (JNIEnv *, jobject, jobject base, jlong offset, jboolean compressed))
  JVMCIKlassHandle klass(THREAD);
  oop base_object = JNIHandles::resolve(base);
  jlong base_address = 0;
  if (base_object != NULL && offset == oopDesc::klass_offset_in_bytes()) {
    klass = base_object->klass();
  } else if (!compressed) {
    if (base_object != NULL) {
      if (base_object->is_a(SystemDictionary::HotSpotResolvedJavaMethodImpl_klass())) {
        base_address = HotSpotResolvedJavaMethodImpl::metaspaceMethod(base_object);
      } else if (base_object->is_a(SystemDictionary::HotSpotConstantPool_klass())) {
        base_address = HotSpotConstantPool::metaspaceConstantPool(base_object);
      } else if (base_object->is_a(SystemDictionary::HotSpotResolvedObjectTypeImpl_klass())) {
        base_address = (jlong) CompilerToVM::asKlass(base_object);
      } else if (base_object->is_a(SystemDictionary::Class_klass())) {
        base_address = (jlong) (address) base_object;
      } else {
        THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
                    err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s", base_object->klass()->external_name(), offset, compressed ? "true" : "false"));
      }
    }
    klass = *((Klass**) (intptr_t) (base_address + offset));
  } else {
    THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
                err_msg("Unexpected arguments: %s " JLONG_FORMAT " %s",
                        base_object != NULL ? base_object->klass()->external_name() : "null",
                        offset, compressed ? "true" : "false"));
  }
  assert (klass == NULL || klass->is_klass(), "invalid read");
  oop result = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
  return JNIHandles::make_local(THREAD, result);
}

C2V_VMENTRY(jobject, findUniqueConcreteMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
  ResourceMark rm;
  methodHandle method = CompilerToVM::asMethod(jvmci_method);
  Klass* holder = CompilerToVM::asKlass(jvmci_type);
  if (holder->is_interface()) {
    THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", holder->external_name()));
  }

  methodHandle ucm;
  {
    MutexLocker locker(Compile_lock);
    ucm = Dependencies::find_unique_concrete_method(holder, method());
  }
  oop result = CompilerToVM::get_jvmci_method(ucm, CHECK_NULL);
  return JNIHandles::make_local(THREAD, result);
C2V_END

C2V_VMENTRY(jobject, getImplementor, (JNIEnv *, jobject, jobject jvmci_type))
  Klass* klass = CompilerToVM::asKlass(jvmci_type);
  if (!klass->is_interface()) {
    THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(),
        err_msg("Expected interface type, got %s", klass->external_name()));
  }
  InstanceKlass* iklass = InstanceKlass::cast(klass);
  JVMCIKlassHandle handle(THREAD);
  {
    // Need Compile_lock around implementor()
    MutexLocker locker(Compile_lock);
    handle = iklass->implementor();
  }
  oop implementor = CompilerToVM::get_jvmci_type(handle, CHECK_NULL);
  return JNIHandles::make_local(THREAD, implementor);
C2V_END

C2V_VMENTRY(jboolean, methodIsIgnoredBySecurityStackWalk,(JNIEnv *, jobject, jobject jvmci_method))
  methodHandle method = CompilerToVM::asMethod(jvmci_method);
  return method->is_ignored_by_security_stack_walk();
C2V_END

C2V_VMENTRY(jboolean, isCompilable,(JNIEnv *, jobject, jobject jvmci_method))
  methodHandle method = CompilerToVM::asMethod(jvmci_method);
  constantPoolHandle cp = method->constMethod()->constants();
  assert(!cp.is_null(), "npe");
  // don't inline method when constant pool contains a CONSTANT_Dynamic
  return !method->is_not_compilable(CompLevel_full_optimization) && !cp->has_dynamic_constant();
C2V_END

C2V_VMENTRY(jboolean, hasNeverInlineDirective,(JNIEnv *, jobject, jobject jvmci_method))
  methodHandle method = CompilerToVM::asMethod(jvmci_method);
  return !Inline || CompilerOracle::should_not_inline(method) || method->dont_inline();
C2V_END

C2V_VMENTRY(jboolean, shouldInlineMethod,(JNIEnv *, jobject, jobject jvmci_method))
  methodHandle method = CompilerToVM::asMethod(jvmci_method);
  return CompilerOracle::should_inline(method) || method->force_inline();
C2V_END

C2V_VMENTRY(jobject, lookupType, (JNIEnv*, jobject, jstring jname, jclass accessing_class, jboolean resolve))
  ResourceMark rm;
  Handle name(THREAD, JNIHandles::resolve(jname));
  Symbol* class_name = java_lang_String::as_symbol(name(), CHECK_0);
  if (java_lang_String::length(name()) <= 1) {
    THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Primitive type %s should be handled in Java code", class_name->as_C_string()));
  }

  JVMCIKlassHandle resolved_klass(THREAD);
  if (JNIHandles::resolve(accessing_class) == NULL) {
    THROW_0(vmSymbols::java_lang_NullPointerException());
  }
  Klass* accessing_klass = java_lang_Class::as_Klass(JNIHandles::resolve(accessing_class));
  Handle class_loader(THREAD, accessing_klass->class_loader());
  Handle protection_domain(THREAD, accessing_klass->protection_domain());

  if (resolve) {
    resolved_klass = SystemDictionary::resolve_or_null(class_name, class_loader, protection_domain, CHECK_0);
  } else {
    if (class_name->char_at(0) == 'L' &&
      class_name->char_at(class_name->utf8_length()-1) == ';') {
      // This is a name from a signature.  Strip off the trimmings.
      // Call recursive to keep scope of strippedsym.
      TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1,
                                                          class_name->utf8_length()-2,
                                                          CHECK_0);
      resolved_klass = SystemDictionary::find(strippedsym, class_loader, protection_domain, CHECK_0);
    } else if (FieldType::is_array(class_name)) {
      FieldArrayInfo fd;
      // dimension and object_key in FieldArrayInfo are assigned as a side-effect
      // of this call
      BasicType t = FieldType::get_array_info(class_name, fd, CHECK_0);
      if (t == T_OBJECT) {
        TempNewSymbol strippedsym = SymbolTable::new_symbol(class_name->as_utf8()+1+fd.dimension(),
                                                            class_name->utf8_length()-2-fd.dimension(),
                                                            CHECK_0);
        // naked oop "k" is OK here -- we assign back into it
        resolved_klass = SystemDictionary::find(strippedsym,
                                                             class_loader,
                                                             protection_domain,
                                                             CHECK_0);
        if (!resolved_klass.is_null()) {
          resolved_klass = resolved_klass->array_klass(fd.dimension(), CHECK_0);
        }
      } else {
        resolved_klass = TypeArrayKlass::cast(Universe::typeArrayKlassObj(t))->array_klass(fd.dimension(), CHECK_0);
      }
    }
  }
  oop result = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
  return JNIHandles::make_local(THREAD, result);
C2V_END

C2V_VMENTRY(jobject, resolveConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
  constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
  oop result = cp->resolve_constant_at(index, CHECK_NULL);
  return JNIHandles::make_local(THREAD, result);
C2V_END

C2V_VMENTRY(jobject, resolvePossiblyCachedConstantInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
  constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
  oop result = cp->resolve_possibly_cached_constant_at(index, CHECK_NULL);
  return JNIHandles::make_local(THREAD, result);
C2V_END

C2V_VMENTRY(jint, lookupNameAndTypeRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
  constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
  return cp->name_and_type_ref_index_at(index);
C2V_END

C2V_VMENTRY(jobject, lookupNameInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
  constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
  Handle sym = java_lang_String::create_from_symbol(cp->name_ref_at(which), CHECK_NULL);
  return JNIHandles::make_local(THREAD, sym());
C2V_END

C2V_VMENTRY(jobject, lookupSignatureInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint which))
  constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
  Handle sym = java_lang_String::create_from_symbol(cp->signature_ref_at(which), CHECK_NULL);
  return JNIHandles::make_local(THREAD, sym());
C2V_END

C2V_VMENTRY(jint, lookupKlassRefIndexInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
  constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
  return cp->klass_ref_index_at(index);
C2V_END

C2V_VMENTRY(jobject, resolveTypeInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
  constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
  Klass* klass = cp->klass_at(index, CHECK_NULL);
  JVMCIKlassHandle resolved_klass(THREAD, klass);
  if (resolved_klass->is_instance_klass()) {
    InstanceKlass::cast(resolved_klass())->link_class_or_fail(THREAD);
  }
  oop jvmci_type = CompilerToVM::get_jvmci_type(resolved_klass, CHECK_NULL);
  return JNIHandles::make_local(THREAD, jvmci_type);
C2V_END

C2V_VMENTRY(jobject, lookupKlassInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
  constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
  Klass* loading_klass = cp->pool_holder();
  bool is_accessible = false;
  JVMCIKlassHandle klass(THREAD, JVMCIEnv::get_klass_by_index(cp, index, is_accessible, loading_klass));
  Symbol* symbol = NULL;
  if (klass == NULL) {
    symbol = cp->klass_name_at(index);
  }
  oop result_oop;
  if (!klass.is_null()) {
    result_oop = CompilerToVM::get_jvmci_type(klass, CHECK_NULL);
  } else {
    Handle result = java_lang_String::create_from_symbol(symbol, CHECK_NULL);
    result_oop = result();
  }
  return JNIHandles::make_local(THREAD, result_oop);
C2V_END

C2V_VMENTRY(jobject, lookupAppendixInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
  constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
  oop appendix_oop = ConstantPool::appendix_at_if_loaded(cp, index);
  return JNIHandles::make_local(THREAD, appendix_oop);
C2V_END

C2V_VMENTRY(jobject, lookupMethodInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jbyte opcode))
  constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
  InstanceKlass* pool_holder = cp->pool_holder();
  Bytecodes::Code bc = (Bytecodes::Code) (((int) opcode) & 0xFF);
  methodHandle method = JVMCIEnv::get_method_by_index(cp, index, bc, pool_holder);
  oop result = CompilerToVM::get_jvmci_method(method, CHECK_NULL);
  return JNIHandles::make_local(THREAD, result);
C2V_END

C2V_VMENTRY(jint, constantPoolRemapInstructionOperandFromCache, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
  constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
  return cp->remap_instruction_operand_from_cache(index);
C2V_END

C2V_VMENTRY(jobject, resolveFieldInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index, jobject jvmci_method, jbyte opcode, jintArray info_handle))
  ResourceMark rm;
  constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
  Bytecodes::Code code = (Bytecodes::Code)(((int) opcode) & 0xFF);
  fieldDescriptor fd;
  LinkInfo link_info(cp, index, (jvmci_method != NULL) ? CompilerToVM::asMethod(jvmci_method) : NULL, CHECK_0);
  LinkResolver::resolve_field(fd, link_info, Bytecodes::java_code(code), false, CHECK_0);
  typeArrayOop info = (typeArrayOop) JNIHandles::resolve(info_handle);
  if (info == NULL || info->length() != 3) {
    JVMCI_ERROR_NULL("info must not be null and have a length of 3");
  }
  info->int_at_put(0, fd.access_flags().as_int());
  info->int_at_put(1, fd.offset());
  info->int_at_put(2, fd.index());
  JVMCIKlassHandle handle(THREAD, fd.field_holder());
  oop field_holder = CompilerToVM::get_jvmci_type(handle, CHECK_NULL);
  return JNIHandles::make_local(THREAD, field_holder);
C2V_END

C2V_VMENTRY(jint, getVtableIndexForInterfaceMethod, (JNIEnv *, jobject, jobject jvmci_type, jobject jvmci_method))
  ResourceMark rm;
  Klass* klass = CompilerToVM::asKlass(jvmci_type);
  Method* method = CompilerToVM::asMethod(jvmci_method);
  if (klass->is_interface()) {
    THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Interface %s should be handled in Java code", klass->external_name()));
  }
  if (!method->method_holder()->is_interface()) {
    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()));
  }
  if (!InstanceKlass::cast(klass)->is_linked()) {
    THROW_MSG_0(vmSymbols::java_lang_InternalError(), err_msg("Class %s must be linked", klass->external_name()));
  }
  return LinkResolver::vtable_index_of_interface_method(klass, method);
C2V_END

C2V_VMENTRY(jobject, resolveMethod, (JNIEnv *, jobject, jobject receiver_jvmci_type, jobject jvmci_method, jobject caller_jvmci_type))
  Klass* recv_klass = CompilerToVM::asKlass(receiver_jvmci_type);
  Klass* caller_klass = CompilerToVM::asKlass(caller_jvmci_type);
  methodHandle method = CompilerToVM::asMethod(jvmci_method);

  Klass* resolved     = method->method_holder();
  Symbol* h_name      = method->name();
  Symbol* h_signature = method->signature();

  if (MethodHandles::is_signature_polymorphic_method(method())) {
      // Signature polymorphic methods are already resolved, JVMCI just returns NULL in this case.
      return NULL;
  }

  LinkInfo link_info(resolved, h_name, h_signature, caller_klass);
  methodHandle m;
  // Only do exact lookup if receiver klass has been linked.  Otherwise,
  // the vtable has not been setup, and the LinkResolver will fail.
  if (recv_klass->is_array_klass() ||
      (InstanceKlass::cast(recv_klass)->is_linked() && !recv_klass->is_interface())) {
    if (resolved->is_interface()) {
      m = LinkResolver::resolve_interface_call_or_null(recv_klass, link_info);
    } else {
      m = LinkResolver::resolve_virtual_call_or_null(recv_klass, link_info);
    }
  }

  if (m.is_null()) {
    // Return NULL if there was a problem with lookup (uninitialized class, etc.)
    return NULL;
  }

  oop result = CompilerToVM::get_jvmci_method(m, CHECK_NULL);
  return JNIHandles::make_local(THREAD, result);
C2V_END

C2V_VMENTRY(jboolean, hasFinalizableSubclass,(JNIEnv *, jobject, jobject jvmci_type))
  Klass* klass = CompilerToVM::asKlass(jvmci_type);
  assert(klass != NULL, "method must not be called for primitive types");
  return Dependencies::find_finalizable_subclass(klass) != NULL;
C2V_END

C2V_VMENTRY(jobject, getClassInitializer, (JNIEnv *, jobject, jobject jvmci_type))
  Klass* klass = CompilerToVM::asKlass(jvmci_type);
  if (!klass->is_instance_klass()) {
    return NULL;
  }
  InstanceKlass* iklass = InstanceKlass::cast(klass);
  oop result = CompilerToVM::get_jvmci_method(iklass->class_initializer(), CHECK_NULL);
  return JNIHandles::make_local(THREAD, result);
C2V_END

C2V_VMENTRY(jlong, getMaxCallTargetOffset, (JNIEnv*, jobject, jlong addr))
  address target_addr = (address) addr;
  if (target_addr != 0x0) {
    int64_t off_low = (int64_t)target_addr - ((int64_t)CodeCache::low_bound() + sizeof(int));
    int64_t off_high = (int64_t)target_addr - ((int64_t)CodeCache::high_bound() + sizeof(int));
    return MAX2(ABS(off_low), ABS(off_high));
  }
  return -1;
C2V_END

C2V_VMENTRY(void, setNotInlinableOrCompilable,(JNIEnv *, jobject,  jobject jvmci_method))
  methodHandle method = CompilerToVM::asMethod(jvmci_method);
  method->set_not_c1_compilable();
  method->set_not_c2_compilable();
  method->set_dont_inline(true);
C2V_END

C2V_VMENTRY(jint, installCode, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject installed_code, jobject speculation_log))
  ResourceMark rm;
  HandleMark hm;
  JNIHandleMark jni_hm;

  Handle target_handle(THREAD, JNIHandles::resolve(target));
  Handle compiled_code_handle(THREAD, JNIHandles::resolve(compiled_code));
  CodeBlob* cb = NULL;
  Handle installed_code_handle(THREAD, JNIHandles::resolve(installed_code));
  Handle speculation_log_handle(THREAD, JNIHandles::resolve(speculation_log));

  JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK_JNI_ERR);

  TraceTime install_time("installCode", JVMCICompiler::codeInstallTimer());
  bool is_immutable_PIC = HotSpotCompiledCode::isImmutablePIC(compiled_code_handle) > 0;
  CodeInstaller installer(is_immutable_PIC);
  JVMCIEnv::CodeInstallResult result = installer.install(compiler, target_handle, compiled_code_handle, cb, installed_code_handle, speculation_log_handle, CHECK_0);

  if (PrintCodeCacheOnCompilation) {
    stringStream s;
    // Dump code cache  into a buffer before locking the tty,
    {
      MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
      CodeCache::print_summary(&s, false);
    }
    ttyLocker ttyl;
    tty->print_raw_cr(s.as_string());
  }

  if (result != JVMCIEnv::ok) {
    assert(cb == NULL, "should be");
  } else {
    if (installed_code_handle.not_null()) {
      assert(installed_code_handle->is_a(InstalledCode::klass()), "wrong type");
      nmethod::invalidate_installed_code(installed_code_handle, CHECK_0);
      {
        // Ensure that all updates to the InstalledCode fields are consistent.
        MutexLockerEx pl(Patching_lock, Mutex::_no_safepoint_check_flag);
        InstalledCode::set_address(installed_code_handle, (jlong) cb);
        InstalledCode::set_version(installed_code_handle, InstalledCode::version(installed_code_handle) + 1);
        if (cb->is_nmethod()) {
          InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->as_nmethod_or_null()->verified_entry_point());
        } else {
          InstalledCode::set_entryPoint(installed_code_handle, (jlong) cb->code_begin());
        }
        if (installed_code_handle->is_a(HotSpotInstalledCode::klass())) {
          HotSpotInstalledCode::set_size(installed_code_handle, cb->size());
          HotSpotInstalledCode::set_codeStart(installed_code_handle, (jlong) cb->code_begin());
          HotSpotInstalledCode::set_codeSize(installed_code_handle, cb->code_size());
        }
      }
    }
  }
  return result;
C2V_END

C2V_VMENTRY(jint, getMetadata, (JNIEnv *jniEnv, jobject, jobject target, jobject compiled_code, jobject metadata))
  ResourceMark rm;
  HandleMark hm;

  Handle target_handle(THREAD, JNIHandles::resolve(target));
  Handle compiled_code_handle(THREAD, JNIHandles::resolve(compiled_code));
  Handle metadata_handle(THREAD, JNIHandles::resolve(metadata));

  CodeMetadata code_metadata;
  CodeBlob *cb = NULL;
  CodeInstaller installer(true /* immutable PIC compilation */);

  JVMCIEnv::CodeInstallResult result = installer.gather_metadata(target_handle, compiled_code_handle, code_metadata, CHECK_0);
  if (result != JVMCIEnv::ok) {
    return result;
  }

  if (code_metadata.get_nr_pc_desc() > 0) {
    typeArrayHandle pcArrayOop = oopFactory::new_byteArray_handle(sizeof(PcDesc) * code_metadata.get_nr_pc_desc(), CHECK_(JVMCIEnv::cache_full));
    memcpy(pcArrayOop->byte_at_addr(0), code_metadata.get_pc_desc(), sizeof(PcDesc) * code_metadata.get_nr_pc_desc());
    HotSpotMetaData::set_pcDescBytes(metadata_handle, pcArrayOop());
  }

  if (code_metadata.get_scopes_size() > 0) {
    typeArrayHandle scopesArrayOop = oopFactory::new_byteArray_handle(code_metadata.get_scopes_size(), CHECK_(JVMCIEnv::cache_full));
    memcpy(scopesArrayOop->byte_at_addr(0), code_metadata.get_scopes_desc(), code_metadata.get_scopes_size());
    HotSpotMetaData::set_scopesDescBytes(metadata_handle, scopesArrayOop());
  }

  RelocBuffer* reloc_buffer = code_metadata.get_reloc_buffer();
  typeArrayHandle relocArrayOop = oopFactory::new_byteArray_handle((int) reloc_buffer->size(), CHECK_(JVMCIEnv::cache_full));
  if (reloc_buffer->size() > 0) {
    memcpy(relocArrayOop->byte_at_addr(0), reloc_buffer->begin(), reloc_buffer->size());
  }
  HotSpotMetaData::set_relocBytes(metadata_handle, relocArrayOop());

  const OopMapSet* oopMapSet = installer.oopMapSet();
  {
    ResourceMark mark;
    ImmutableOopMapBuilder builder(oopMapSet);
    int oopmap_size = builder.heap_size();
    typeArrayHandle oopMapArrayHandle = oopFactory::new_byteArray_handle(oopmap_size, CHECK_(JVMCIEnv::cache_full));
    builder.generate_into((address) oopMapArrayHandle->byte_at_addr(0));
    HotSpotMetaData::set_oopMaps(metadata_handle, oopMapArrayHandle());
  }

  AOTOopRecorder* recorder = code_metadata.get_oop_recorder();

  int nr_meta_refs = recorder->nr_meta_refs();
  objArrayOop metadataArray = oopFactory::new_objectArray(nr_meta_refs, CHECK_(JVMCIEnv::cache_full));
  objArrayHandle metadataArrayHandle(THREAD, metadataArray);
  for (int i = 0; i < nr_meta_refs; ++i) {
    jobject element = recorder->meta_element(i);
    if (element == NULL) {
      return JVMCIEnv::cache_full;
    }
    metadataArrayHandle->obj_at_put(i, JNIHandles::resolve(element));
  }
  HotSpotMetaData::set_metadata(metadata_handle, metadataArrayHandle());

  ExceptionHandlerTable* handler = code_metadata.get_exception_table();
  int table_size = handler->size_in_bytes();
  typeArrayHandle exceptionArrayOop = oopFactory::new_byteArray_handle(table_size, CHECK_(JVMCIEnv::cache_full));

  if (table_size > 0) {
    handler->copy_bytes_to((address) exceptionArrayOop->byte_at_addr(0));
  }
  HotSpotMetaData::set_exceptionBytes(metadata_handle, exceptionArrayOop());

  return result;
C2V_END

C2V_VMENTRY(void, resetCompilationStatistics, (JNIEnv *jniEnv, jobject))
  JVMCICompiler* compiler = JVMCICompiler::instance(true, CHECK);
  CompilerStatistics* stats = compiler->stats();
  stats->_standard.reset();
  stats->_osr.reset();
C2V_END

C2V_VMENTRY(jobject, disassembleCodeBlob, (JNIEnv *jniEnv, jobject, jobject installedCode))
  ResourceMark rm;
  HandleMark hm;

  if (installedCode == NULL) {
    THROW_MSG_NULL(vmSymbols::java_lang_NullPointerException(), "installedCode is null");
  }

  jlong codeBlob = InstalledCode::address(installedCode);
  if (codeBlob == 0L) {
    return NULL;
  }

  CodeBlob* cb = (CodeBlob*) (address) codeBlob;
  if (cb == NULL) {
    return NULL;
  }

  // We don't want the stringStream buffer to resize during disassembly as it
  // uses scoped resource memory. If a nested function called during disassembly uses
  // a ResourceMark and the buffer expands within the scope of the mark,
  // the buffer becomes garbage when that scope is exited. Experience shows that
  // the disassembled code is typically about 10x the code size so a fixed buffer
  // sized to 20x code size plus a fixed amount for header info should be sufficient.
  int bufferSize = cb->code_size() * 20 + 1024;
  char* buffer = NEW_RESOURCE_ARRAY(char, bufferSize);
  stringStream st(buffer, bufferSize);
  if (cb->is_nmethod()) {
    nmethod* nm = (nmethod*) cb;
    if (!nm->is_alive()) {
      return NULL;
    }
  }
  Disassembler::decode(cb, &st);
  if (st.size() <= 0) {
    return NULL;
  }

  Handle result = java_lang_String::create_from_platform_dependent_str(st.as_string(), CHECK_NULL);
  return JNIHandles::make_local(THREAD, result());
C2V_END

C2V_VMENTRY(jobject, getStackTraceElement, (JNIEnv*, jobject, jobject jvmci_method, int bci))
  ResourceMark rm;
  HandleMark hm;

  methodHandle method = CompilerToVM::asMethod(jvmci_method);
  oop element = java_lang_StackTraceElement::create(method, bci, CHECK_NULL);
  return JNIHandles::make_local(THREAD, element);
C2V_END

C2V_VMENTRY(jobject, executeInstalledCode, (JNIEnv*, jobject, jobject args, jobject hotspotInstalledCode))
  ResourceMark rm;
  HandleMark hm;

  jlong nmethodValue = InstalledCode::address(hotspotInstalledCode);
  if (nmethodValue == 0L) {
    THROW_NULL(vmSymbols::jdk_vm_ci_code_InvalidInstalledCodeException());
  }
  nmethod* nm = (nmethod*) (address) nmethodValue;
  methodHandle mh = nm->method();
  Symbol* signature = mh->signature();
  JavaCallArguments jca(mh->size_of_parameters());

  JavaArgumentUnboxer jap(signature, &jca, (arrayOop) JNIHandles::resolve(args), mh->is_static());
  JavaValue result(jap.get_ret_type());
  jca.set_alternative_target(nm);
  JavaCalls::call(&result, mh, &jca, CHECK_NULL);

  if (jap.get_ret_type() == T_VOID) {
    return NULL;
  } else if (jap.get_ret_type() == T_OBJECT || jap.get_ret_type() == T_ARRAY) {
    return JNIHandles::make_local(THREAD, (oop) result.get_jobject());
  } else {
    jvalue *value = (jvalue *) result.get_value_addr();
    // Narrow the value down if required (Important on big endian machines)
    switch (jap.get_ret_type()) {
      case T_BOOLEAN:
       value->z = (jboolean) value->i;
       break;
      case T_BYTE:
       value->b = (jbyte) value->i;
       break;
      case T_CHAR:
       value->c = (jchar) value->i;
       break;
      case T_SHORT:
       value->s = (jshort) value->i;
       break;
      default:
        break;
    }
    oop o = java_lang_boxing_object::create(jap.get_ret_type(), value, CHECK_NULL);
    return JNIHandles::make_local(THREAD, o);
  }
C2V_END

C2V_VMENTRY(jlongArray, getLineNumberTable, (JNIEnv *, jobject, jobject jvmci_method))
  Method* method = CompilerToVM::asMethod(jvmci_method);
  if (!method->has_linenumber_table()) {
    return NULL;
  }
  u2 num_entries = 0;
  CompressedLineNumberReadStream streamForSize(method->compressed_linenumber_table());
  while (streamForSize.read_pair()) {
    num_entries++;
  }

  CompressedLineNumberReadStream stream(method->compressed_linenumber_table());
  typeArrayOop result = oopFactory::new_longArray(2 * num_entries, CHECK_NULL);

  int i = 0;
  jlong value;
  while (stream.read_pair()) {
    value = ((long) stream.bci());
    result->long_at_put(i, value);
    value = ((long) stream.line());
    result->long_at_put(i + 1, value);
    i += 2;
  }

  return (jlongArray) JNIHandles::make_local(THREAD, result);
C2V_END

C2V_VMENTRY(jlong, getLocalVariableTableStart, (JNIEnv *, jobject, jobject jvmci_method))
  ResourceMark rm;
  Method* method = CompilerToVM::asMethod(jvmci_method);
  if (!method->has_localvariable_table()) {
    return 0;
  }
  return (jlong) (address) method->localvariable_table_start();
C2V_END

C2V_VMENTRY(jint, getLocalVariableTableLength, (JNIEnv *, jobject, jobject jvmci_method))
  ResourceMark rm;
  Method* method = CompilerToVM::asMethod(jvmci_method);
  return method->localvariable_table_length();
C2V_END

C2V_VMENTRY(void, reprofile, (JNIEnv*, jobject, jobject jvmci_method))
  Method* method = CompilerToVM::asMethod(jvmci_method);
  MethodCounters* mcs = method->method_counters();
  if (mcs != NULL) {
    mcs->clear_counters();
  }
  NOT_PRODUCT(method->set_compiled_invocation_count(0));

  CompiledMethod* code = method->code();
  if (code != NULL) {
    code->make_not_entrant();
  }

  MethodData* method_data = method->method_data();
  if (method_data == NULL) {
    ClassLoaderData* loader_data = method->method_holder()->class_loader_data();
    method_data = MethodData::allocate(loader_data, method, CHECK);
    method->set_method_data(method_data);
  } else {
    method_data->initialize();
  }
C2V_END


C2V_VMENTRY(void, invalidateInstalledCode, (JNIEnv*, jobject, jobject installed_code))
  Handle installed_code_handle(THREAD, JNIHandles::resolve(installed_code));
  nmethod::invalidate_installed_code(installed_code_handle, CHECK);
C2V_END

C2V_VMENTRY(jlongArray, collectCounters, (JNIEnv*, jobject))
  typeArrayOop arrayOop = oopFactory::new_longArray(JVMCICounterSize, CHECK_NULL);
  JavaThread::collect_counters(arrayOop);
  return (jlongArray) JNIHandles::make_local(THREAD, arrayOop);
C2V_END

C2V_VMENTRY(int, allocateCompileId, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci))
  HandleMark hm;
  ResourceMark rm;
  if (JNIHandles::resolve(jvmci_method) == NULL) {
    THROW_0(vmSymbols::java_lang_NullPointerException());
  }
  Method* method = CompilerToVM::asMethod(jvmci_method);
  if (entry_bci >= method->code_size() || entry_bci < -1) {
    THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Unexpected bci %d", entry_bci));
  }
  return CompileBroker::assign_compile_id_unlocked(THREAD, method, entry_bci);
C2V_END


C2V_VMENTRY(jboolean, isMature, (JNIEnv*, jobject, jlong metaspace_method_data))
  MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
  return mdo != NULL && mdo->is_mature();
C2V_END

C2V_VMENTRY(jboolean, hasCompiledCodeForOSR, (JNIEnv*, jobject, jobject jvmci_method, int entry_bci, int comp_level))
  Method* method = CompilerToVM::asMethod(jvmci_method);
  return method->lookup_osr_nmethod_for(entry_bci, comp_level, true) != NULL;
C2V_END

C2V_VMENTRY(jobject, getSymbol, (JNIEnv*, jobject, jlong symbol))
  Handle sym = java_lang_String::create_from_symbol((Symbol*)(address)symbol, CHECK_NULL);
  return JNIHandles::make_local(THREAD, sym());
C2V_END

bool matches(jobjectArray methods, Method* method) {
  objArrayOop methods_oop = (objArrayOop) JNIHandles::resolve(methods);

  for (int i = 0; i < methods_oop->length(); i++) {
    oop resolved = methods_oop->obj_at(i);
    if (resolved->is_a(HotSpotResolvedJavaMethodImpl::klass()) && CompilerToVM::asMethod(resolved) == method) {
      return true;
    }
  }
  return false;
}

void call_interface(JavaValue* result, Klass* spec_klass, Symbol* name, Symbol* signature, JavaCallArguments* args, TRAPS) {
  CallInfo callinfo;
  Handle receiver = args->receiver();
  Klass* recvrKlass = receiver.is_null() ? (Klass*)NULL : receiver->klass();
  LinkInfo link_info(spec_klass, name, signature);
  LinkResolver::resolve_interface_call(
          callinfo, receiver, recvrKlass, link_info, true, CHECK);
  methodHandle method = callinfo.selected_method();
  assert(method.not_null(), "should have thrown exception");

  // Invoke the method
  JavaCalls::call(result, method, args, CHECK);
}

C2V_VMENTRY(jobject, iterateFrames, (JNIEnv*, jobject compilerToVM, jobjectArray initial_methods, jobjectArray match_methods, jint initialSkip, jobject visitor_handle))
  ResourceMark rm;

  if (!thread->has_last_Java_frame()) {
    return NULL;
  }
  Handle visitor(THREAD, JNIHandles::resolve_non_null(visitor_handle));
  Handle frame_reference = HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL);
  HotSpotStackFrameReference::klass()->initialize(CHECK_NULL);

  StackFrameStream fst(thread);

  jobjectArray methods = initial_methods;

  int frame_number = 0;
  vframe* vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);

  while (true) {
    // look for the given method
    bool realloc_called = false;
    while (true) {
      StackValueCollection* locals = NULL;
      if (vf->is_compiled_frame()) {
        // compiled method frame
        compiledVFrame* cvf = compiledVFrame::cast(vf);
        if (methods == NULL || matches(methods, cvf->method())) {
          if (initialSkip > 0) {
            initialSkip--;
          } else {
            ScopeDesc* scope = cvf->scope();
            // native wrappers do not have a scope
            if (scope != NULL && scope->objects() != NULL) {
              GrowableArray<ScopeValue*>* objects;
              if (!realloc_called) {
                objects = scope->objects();
              } else {
                // some object might already have been re-allocated, only reallocate the non-allocated ones
                objects = new GrowableArray<ScopeValue*>(scope->objects()->length());
                for (int i = 0; i < scope->objects()->length(); i++) {
                  ObjectValue* sv = (ObjectValue*) scope->objects()->at(i);
                  if (sv->value().is_null()) {
                    objects->append(sv);
                  }
                }
              }
              bool realloc_failures = Deoptimization::realloc_objects(thread, fst.current(), objects, CHECK_NULL);
              Deoptimization::reassign_fields(fst.current(), fst.register_map(), objects, realloc_failures, false);
              realloc_called = true;

              GrowableArray<ScopeValue*>* local_values = scope->locals();
              assert(local_values != NULL, "NULL locals");
              typeArrayOop array_oop = oopFactory::new_boolArray(local_values->length(), CHECK_NULL);
              typeArrayHandle array(THREAD, array_oop);
              for (int i = 0; i < local_values->length(); i++) {
                ScopeValue* value = local_values->at(i);
                if (value->is_object()) {
                  array->bool_at_put(i, true);
                }
              }
              HotSpotStackFrameReference::set_localIsVirtual(frame_reference, array());
            } else {
              HotSpotStackFrameReference::set_localIsVirtual(frame_reference, NULL);
            }

            locals = cvf->locals();
            HotSpotStackFrameReference::set_bci(frame_reference, cvf->bci());
            oop method = CompilerToVM::get_jvmci_method(cvf->method(), CHECK_NULL);
            HotSpotStackFrameReference::set_method(frame_reference, method);
          }
        }
      } else if (vf->is_interpreted_frame()) {
        // interpreted method frame
        interpretedVFrame* ivf = interpretedVFrame::cast(vf);
        if (methods == NULL || matches(methods, ivf->method())) {
          if (initialSkip > 0) {
            initialSkip--;
          } else {
            locals = ivf->locals();
            HotSpotStackFrameReference::set_bci(frame_reference, ivf->bci());
            oop method = CompilerToVM::get_jvmci_method(ivf->method(), CHECK_NULL);
            HotSpotStackFrameReference::set_method(frame_reference, method);
            HotSpotStackFrameReference::set_localIsVirtual(frame_reference, NULL);
          }
        }
      }

      // locals != NULL means that we found a matching frame and result is already partially initialized
      if (locals != NULL) {
        methods = match_methods;
        HotSpotStackFrameReference::set_compilerToVM(frame_reference, JNIHandles::resolve(compilerToVM));
        HotSpotStackFrameReference::set_stackPointer(frame_reference, (jlong) fst.current()->sp());
        HotSpotStackFrameReference::set_frameNumber(frame_reference, frame_number);

        // initialize the locals array
        objArrayOop array_oop = oopFactory::new_objectArray(locals->size(), CHECK_NULL);
        objArrayHandle array(THREAD, array_oop);
        for (int i = 0; i < locals->size(); i++) {
          StackValue* var = locals->at(i);
          if (var->type() == T_OBJECT) {
            array->obj_at_put(i, locals->at(i)->get_obj()());
          }
        }
        HotSpotStackFrameReference::set_locals(frame_reference, array());
        HotSpotStackFrameReference::set_objectsMaterialized(frame_reference, JNI_FALSE);

        JavaValue result(T_OBJECT);
        JavaCallArguments args(visitor);
        args.push_oop(frame_reference);
        call_interface(&result, SystemDictionary::InspectedFrameVisitor_klass(), vmSymbols::visitFrame_name(), vmSymbols::visitFrame_signature(), &args, CHECK_NULL);
        if (result.get_jobject() != NULL) {
          return JNIHandles::make_local(thread, (oop) result.get_jobject());
        }
        assert(initialSkip == 0, "There should be no match before initialSkip == 0");
        if (HotSpotStackFrameReference::objectsMaterialized(frame_reference) == JNI_TRUE) {
          // the frame has been deoptimized, we need to re-synchronize the frame and vframe
          intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(frame_reference);
          fst = StackFrameStream(thread);
          while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
            fst.next();
          }
          if (fst.current()->sp() != stack_pointer) {
            THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
          }
          vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
          if (!vf->is_compiled_frame()) {
            THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
          }
          for (int i = 0; i < frame_number; i++) {
            if (vf->is_top()) {
              THROW_MSG_NULL(vmSymbols::java_lang_IllegalStateException(), "vframe not found after deopt")
            }
            vf = vf->sender();
            assert(vf->is_compiled_frame(), "Wrong frame type");
          }
        }
        frame_reference = HotSpotStackFrameReference::klass()->allocate_instance_handle(CHECK_NULL);
        HotSpotStackFrameReference::klass()->initialize(CHECK_NULL);
      }

      if (vf->is_top()) {
        break;
      }
      frame_number++;
      vf = vf->sender();
    } // end of vframe loop

    if (fst.is_done()) {
      break;
    }
    fst.next();
    vf = vframe::new_vframe(fst.current(), fst.register_map(), thread);
    frame_number = 0;
  } // end of frame loop

  // the end was reached without finding a matching method
  return NULL;
C2V_END

C2V_VMENTRY(void, resolveInvokeDynamicInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
  constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
  CallInfo callInfo;
  LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokedynamic, CHECK);
  ConstantPoolCacheEntry* cp_cache_entry = cp->invokedynamic_cp_cache_entry_at(index);
  cp_cache_entry->set_dynamic_call(cp, callInfo);
C2V_END

C2V_VMENTRY(void, resolveInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
  constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
  Klass* holder = cp->klass_ref_at(index, CHECK);
  Symbol* name = cp->name_ref_at(index);
  if (MethodHandles::is_signature_polymorphic_name(holder, name)) {
    CallInfo callInfo;
    LinkResolver::resolve_invoke(callInfo, Handle(), cp, index, Bytecodes::_invokehandle, CHECK);
    ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
    cp_cache_entry->set_method_handle(cp, callInfo);
  }
C2V_END

C2V_VMENTRY(jint, isResolvedInvokeHandleInPool, (JNIEnv*, jobject, jobject jvmci_constant_pool, jint index))
  constantPoolHandle cp = CompilerToVM::asConstantPool(jvmci_constant_pool);
  ConstantPoolCacheEntry* cp_cache_entry = cp->cache()->entry_at(cp->decode_cpcache_index(index));
  if (cp_cache_entry->is_resolved(Bytecodes::_invokehandle)) {
    // MethodHandle.invoke* --> LambdaForm?
    ResourceMark rm;

    LinkInfo link_info(cp, index, CATCH);

    Klass* resolved_klass = link_info.resolved_klass();

    Symbol* name_sym = cp->name_ref_at(index);

    vmassert(MethodHandles::is_method_handle_invoke_name(resolved_klass, name_sym), "!");
    vmassert(MethodHandles::is_signature_polymorphic_name(resolved_klass, name_sym), "!");

    methodHandle adapter_method(cp_cache_entry->f1_as_method());

    methodHandle resolved_method(adapter_method);

    // Can we treat it as a regular invokevirtual?
    if (resolved_method->method_holder() == resolved_klass && resolved_method->name() == name_sym) {
      vmassert(!resolved_method->is_static(),"!");
      vmassert(MethodHandles::is_signature_polymorphic_method(resolved_method()),"!");
      vmassert(!MethodHandles::is_signature_polymorphic_static(resolved_method->intrinsic_id()), "!");
      vmassert(cp_cache_entry->appendix_if_resolved(cp) == NULL, "!");
      vmassert(cp_cache_entry->method_type_if_resolved(cp) == NULL, "!");

      methodHandle m(LinkResolver::linktime_resolve_virtual_method_or_null(link_info));
      vmassert(m == resolved_method, "!!");
      return -1;
    }

    return Bytecodes::_invokevirtual;
  }
  if (cp_cache_entry->is_resolved(Bytecodes::_invokedynamic)) {
    return Bytecodes::_invokedynamic;
  }
  return -1;
C2V_END


C2V_VMENTRY(jobject, getSignaturePolymorphicHolders, (JNIEnv*, jobject))
  objArrayHandle holders = oopFactory::new_objArray_handle(SystemDictionary::String_klass(), 2, CHECK_NULL);
  Handle mh = java_lang_String::create_from_str("Ljava/lang/invoke/MethodHandle;", CHECK_NULL);
  Handle vh = java_lang_String::create_from_str("Ljava/lang/invoke/VarHandle;", CHECK_NULL);
  holders->obj_at_put(0, mh());
  holders->obj_at_put(1, vh());
  return JNIHandles::make_local(THREAD, holders());
C2V_END

C2V_VMENTRY(jboolean, shouldDebugNonSafepoints, (JNIEnv*, jobject))
  //see compute_recording_non_safepoints in debugInfroRec.cpp
  if (JvmtiExport::should_post_compiled_method_load() && FLAG_IS_DEFAULT(DebugNonSafepoints)) {
    return true;
  }
  return DebugNonSafepoints;
C2V_END

// public native void materializeVirtualObjects(HotSpotStackFrameReference stackFrame, boolean invalidate);
C2V_VMENTRY(void, materializeVirtualObjects, (JNIEnv*, jobject, jobject hs_frame, bool invalidate))
  ResourceMark rm;

  if (hs_frame == NULL) {
    THROW_MSG(vmSymbols::java_lang_NullPointerException(), "stack frame is null")
  }

  HotSpotStackFrameReference::klass()->initialize(CHECK);

  // look for the given stack frame
  StackFrameStream fst(thread);
  intptr_t* stack_pointer = (intptr_t*) HotSpotStackFrameReference::stackPointer(hs_frame);
  while (fst.current()->sp() != stack_pointer && !fst.is_done()) {
    fst.next();
  }
  if (fst.current()->sp() != stack_pointer) {
    THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found")
  }

  if (invalidate) {
    if (!fst.current()->is_compiled_frame()) {
      THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
    }
    assert(fst.current()->cb()->is_nmethod(), "nmethod expected");
    ((nmethod*) fst.current()->cb())->make_not_entrant();
  }
  Deoptimization::deoptimize(thread, *fst.current(), fst.register_map(), Deoptimization::Reason_none);
  // look for the frame again as it has been updated by deopt (pc, deopt state...)
  StackFrameStream fstAfterDeopt(thread);
  while (fstAfterDeopt.current()->sp() != stack_pointer && !fstAfterDeopt.is_done()) {
    fstAfterDeopt.next();
  }
  if (fstAfterDeopt.current()->sp() != stack_pointer) {
    THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "stack frame not found after deopt")
  }

  vframe* vf = vframe::new_vframe(fstAfterDeopt.current(), fstAfterDeopt.register_map(), thread);
  if (!vf->is_compiled_frame()) {
    THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "compiled stack frame expected")
  }

  GrowableArray<compiledVFrame*>* virtualFrames = new GrowableArray<compiledVFrame*>(10);
  while (true) {
    assert(vf->is_compiled_frame(), "Wrong frame type");
    virtualFrames->push(compiledVFrame::cast(vf));
    if (vf->is_top()) {
      break;
    }
    vf = vf->sender();
  }

  int last_frame_number = HotSpotStackFrameReference::frameNumber(hs_frame);
  if (last_frame_number >= virtualFrames->length()) {
    THROW_MSG(vmSymbols::java_lang_IllegalStateException(), "invalid frame number")
  }

  // Reallocate the non-escaping objects and restore their fields.
  assert (virtualFrames->at(last_frame_number)->scope() != NULL,"invalid scope");
  GrowableArray<ScopeValue*>* objects = virtualFrames->at(last_frame_number)->scope()->objects();

  if (objects == NULL) {
    // no objects to materialize
    return;
  }

  bool realloc_failures = Deoptimization::realloc_objects(thread, fstAfterDeopt.current(), objects, CHECK);
  Deoptimization::reassign_fields(fstAfterDeopt.current(), fstAfterDeopt.register_map(), objects, realloc_failures, false);

  for (int frame_index = 0; frame_index < virtualFrames->length(); frame_index++) {
    compiledVFrame* cvf = virtualFrames->at(frame_index);

    GrowableArray<ScopeValue*>* scopeLocals = cvf->scope()->locals();
    StackValueCollection* locals = cvf->locals();
    if (locals != NULL) {
      for (int i2 = 0; i2 < locals->size(); i2++) {
        StackValue* var = locals->at(i2);
        if (var->type() == T_OBJECT && scopeLocals->at(i2)->is_object()) {
          jvalue val;
          val.l = (jobject) locals->at(i2)->get_obj()();
          cvf->update_local(T_OBJECT, i2, val);
        }
      }
    }

    GrowableArray<ScopeValue*>* scopeExpressions = cvf->scope()->expressions();
    StackValueCollection* expressions = cvf->expressions();
    if (expressions != NULL) {
      for (int i2 = 0; i2 < expressions->size(); i2++) {
        StackValue* var = expressions->at(i2);
        if (var->type() == T_OBJECT && scopeExpressions->at(i2)->is_object()) {
          jvalue val;
          val.l = (jobject) expressions->at(i2)->get_obj()();
          cvf->update_stack(T_OBJECT, i2, val);
        }
      }
    }

    GrowableArray<MonitorValue*>* scopeMonitors = cvf->scope()->monitors();
    GrowableArray<MonitorInfo*>* monitors = cvf->monitors();
    if (monitors != NULL) {
      for (int i2 = 0; i2 < monitors->length(); i2++) {
        cvf->update_monitor(i2, monitors->at(i2));
      }
    }
  }

  // all locals are materialized by now
  HotSpotStackFrameReference::set_localIsVirtual(hs_frame, NULL);

  // update the locals array
  objArrayHandle array(THREAD, HotSpotStackFrameReference::locals(hs_frame));
  StackValueCollection* locals = virtualFrames->at(last_frame_number)->locals();
  for (int i = 0; i < locals->size(); i++) {
    StackValue* var = locals->at(i);
    if (var->type() == T_OBJECT) {
      array->obj_at_put(i, locals->at(i)->get_obj()());
    }
  }
  HotSpotStackFrameReference::set_objectsMaterialized(hs_frame, JNI_TRUE);
C2V_END

C2V_VMENTRY(void, writeDebugOutput, (JNIEnv*, jobject, jbyteArray bytes, jint offset, jint length))
  if (bytes == NULL) {
    THROW(vmSymbols::java_lang_NullPointerException());
  }
  typeArrayOop array = (typeArrayOop) JNIHandles::resolve(bytes);

  // Check if offset and length are non negative.
  if (offset < 0 || length < 0) {
    THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
  }
  // Check if the range is valid.
  if ((((unsigned int) length + (unsigned int) offset) > (unsigned int) array->length())) {
    THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
  }
  while (length > 0) {
    jbyte* start = array->byte_at_addr(offset);
    tty->write((char*) start, MIN2(length, (jint)O_BUFLEN));
    length -= O_BUFLEN;
    offset += O_BUFLEN;
  }
C2V_END

C2V_VMENTRY(void, flushDebugOutput, (JNIEnv*, jobject))
  tty->flush();
C2V_END

C2V_VMENTRY(int, methodDataProfileDataSize, (JNIEnv*, jobject, jlong metaspace_method_data, jint position))
  ResourceMark rm;
  MethodData* mdo = CompilerToVM::asMethodData(metaspace_method_data);
  ProfileData* profile_data = mdo->data_at(position);
  if (mdo->is_valid(profile_data)) {
    return profile_data->size_in_bytes();
  }
  DataLayout* data    = mdo->extra_data_base();
  DataLayout* end   = mdo->extra_data_limit();
  for (;; data = mdo->next_extra(data)) {
    assert(data < end, "moved past end of extra data");
    profile_data = data->data_in();
    if (mdo->dp_to_di(profile_data->dp()) == position) {
      return profile_data->size_in_bytes();
    }
  }
  THROW_MSG_0(vmSymbols::java_lang_IllegalArgumentException(), err_msg("Invalid profile data position %d", position));
C2V_END

C2V_VMENTRY(jlong, getFingerprint, (JNIEnv*, jobject, jlong metaspace_klass))
  Klass *k = CompilerToVM::asKlass(metaspace_klass);
  if (k->is_instance_klass()) {
    return InstanceKlass::cast(k)->get_stored_fingerprint();
  } else {
    return 0;
  }
C2V_END

C2V_VMENTRY(jobject, getHostClass, (JNIEnv*, jobject, jobject jvmci_type))
  InstanceKlass* k = InstanceKlass::cast(CompilerToVM::asKlass(jvmci_type));
  InstanceKlass* host = k->unsafe_anonymous_host();
  JVMCIKlassHandle handle(THREAD, host);
  oop result = CompilerToVM::get_jvmci_type(handle, CHECK_NULL);
  return JNIHandles::make_local(THREAD, result);
C2V_END

C2V_VMENTRY(int, interpreterFrameSize, (JNIEnv*, jobject, jobject bytecode_frame_handle))
  if (bytecode_frame_handle == NULL) {
    THROW_0(vmSymbols::java_lang_NullPointerException());
  }

  oop top_bytecode_frame = JNIHandles::resolve_non_null(bytecode_frame_handle);
  oop bytecode_frame = top_bytecode_frame;
  int size = 0;
  int callee_parameters = 0;
  int callee_locals = 0;
  Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));
  int extra_args = method->max_stack() - BytecodeFrame::numStack(bytecode_frame);

  while (bytecode_frame != NULL) {
    int locks = BytecodeFrame::numLocks(bytecode_frame);
    int temps = BytecodeFrame::numStack(bytecode_frame);
    bool is_top_frame = (bytecode_frame == top_bytecode_frame);
    Method* method = getMethodFromHotSpotMethod(BytecodePosition::method(bytecode_frame));

    int frame_size = BytesPerWord * Interpreter::size_activation(method->max_stack(),
                                                                 temps + callee_parameters,
                                                                 extra_args,
                                                                 locks,
                                                                 callee_parameters,
                                                                 callee_locals,
                                                                 is_top_frame);
    size += frame_size;

    callee_parameters = method->size_of_parameters();
    callee_locals = method->max_locals();
    extra_args = 0;
    bytecode_frame = BytecodePosition::caller(bytecode_frame);
  }
  return size + Deoptimization::last_frame_adjust(0, callee_locals) * BytesPerWord;
C2V_END

C2V_VMENTRY(void, compileToBytecode, (JNIEnv*, jobject, jobject lambda_form_handle))
  Handle lambda_form(THREAD, JNIHandles::resolve_non_null(lambda_form_handle));
  if (lambda_form->is_a(SystemDictionary::LambdaForm_klass())) {
    TempNewSymbol compileToBytecode = SymbolTable::new_symbol("compileToBytecode", CHECK);
    JavaValue result(T_VOID);
    JavaCalls::call_special(&result, lambda_form, SystemDictionary::LambdaForm_klass(), compileToBytecode, vmSymbols::void_method_signature(), CHECK);
  } else {
    THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
                err_msg("Unexpected type: %s", lambda_form->klass()->external_name()));
  }
C2V_END

#define CC (char*)  /*cast a literal from (const char*)*/
#define FN_PTR(f) CAST_FROM_FN_PTR(void*, &(c2v_ ## f))

#define STRING                  "Ljava/lang/String;"
#define OBJECT                  "Ljava/lang/Object;"
#define CLASS                   "Ljava/lang/Class;"
#define EXECUTABLE              "Ljava/lang/reflect/Executable;"
#define STACK_TRACE_ELEMENT     "Ljava/lang/StackTraceElement;"
#define INSTALLED_CODE          "Ljdk/vm/ci/code/InstalledCode;"
#define TARGET_DESCRIPTION      "Ljdk/vm/ci/code/TargetDescription;"
#define BYTECODE_FRAME          "Ljdk/vm/ci/code/BytecodeFrame;"
#define INSPECTED_FRAME_VISITOR "Ljdk/vm/ci/code/stack/InspectedFrameVisitor;"
#define RESOLVED_METHOD         "Ljdk/vm/ci/meta/ResolvedJavaMethod;"
#define HS_RESOLVED_METHOD      "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethodImpl;"
#define HS_RESOLVED_KLASS       "Ljdk/vm/ci/hotspot/HotSpotResolvedObjectTypeImpl;"
#define HS_CONSTANT_POOL        "Ljdk/vm/ci/hotspot/HotSpotConstantPool;"
#define HS_COMPILED_CODE        "Ljdk/vm/ci/hotspot/HotSpotCompiledCode;"
#define HS_CONFIG               "Ljdk/vm/ci/hotspot/HotSpotVMConfig;"
#define HS_METADATA             "Ljdk/vm/ci/hotspot/HotSpotMetaData;"
#define HS_STACK_FRAME_REF      "Ljdk/vm/ci/hotspot/HotSpotStackFrameReference;"
#define HS_SPECULATION_LOG      "Ljdk/vm/ci/hotspot/HotSpotSpeculationLog;"
#define METASPACE_METHOD_DATA   "J"

JNINativeMethod CompilerToVM::methods[] = {
  {CC "getBytecode",                                  CC "(" HS_RESOLVED_METHOD ")[B",                                                      FN_PTR(getBytecode)},
  {CC "getExceptionTableStart",                       CC "(" HS_RESOLVED_METHOD ")J",                                                       FN_PTR(getExceptionTableStart)},
  {CC "getExceptionTableLength",                      CC "(" HS_RESOLVED_METHOD ")I",                                                       FN_PTR(getExceptionTableLength)},
  {CC "findUniqueConcreteMethod",                     CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")" HS_RESOLVED_METHOD,                   FN_PTR(findUniqueConcreteMethod)},
  {CC "getImplementor",                               CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS,                                       FN_PTR(getImplementor)},
  {CC "getStackTraceElement",                         CC "(" HS_RESOLVED_METHOD "I)" STACK_TRACE_ELEMENT,                                   FN_PTR(getStackTraceElement)},
  {CC "methodIsIgnoredBySecurityStackWalk",           CC "(" HS_RESOLVED_METHOD ")Z",                                                       FN_PTR(methodIsIgnoredBySecurityStackWalk)},
  {CC "setNotInlinableOrCompilable",                  CC "(" HS_RESOLVED_METHOD ")V",                                                       FN_PTR(setNotInlinableOrCompilable)},
  {CC "isCompilable",                                 CC "(" HS_RESOLVED_METHOD ")Z",                                                       FN_PTR(isCompilable)},
  {CC "hasNeverInlineDirective",                      CC "(" HS_RESOLVED_METHOD ")Z",                                                       FN_PTR(hasNeverInlineDirective)},
  {CC "shouldInlineMethod",                           CC "(" HS_RESOLVED_METHOD ")Z",                                                       FN_PTR(shouldInlineMethod)},
  {CC "lookupType",                                   CC "(" STRING CLASS "Z)" HS_RESOLVED_KLASS,                                           FN_PTR(lookupType)},
  {CC "lookupNameInPool",                             CC "(" HS_CONSTANT_POOL "I)" STRING,                                                  FN_PTR(lookupNameInPool)},
  {CC "lookupNameAndTypeRefIndexInPool",              CC "(" HS_CONSTANT_POOL "I)I",                                                        FN_PTR(lookupNameAndTypeRefIndexInPool)},
  {CC "lookupSignatureInPool",                        CC "(" HS_CONSTANT_POOL "I)" STRING,                                                  FN_PTR(lookupSignatureInPool)},
  {CC "lookupKlassRefIndexInPool",                    CC "(" HS_CONSTANT_POOL "I)I",                                                        FN_PTR(lookupKlassRefIndexInPool)},
  {CC "lookupKlassInPool",                            CC "(" HS_CONSTANT_POOL "I)Ljava/lang/Object;",                                       FN_PTR(lookupKlassInPool)},
  {CC "lookupAppendixInPool",                         CC "(" HS_CONSTANT_POOL "I)" OBJECT,                                                  FN_PTR(lookupAppendixInPool)},
  {CC "lookupMethodInPool",                           CC "(" HS_CONSTANT_POOL "IB)" HS_RESOLVED_METHOD,                                     FN_PTR(lookupMethodInPool)},
  {CC "constantPoolRemapInstructionOperandFromCache", CC "(" HS_CONSTANT_POOL "I)I",                                                        FN_PTR(constantPoolRemapInstructionOperandFromCache)},
  {CC "resolveConstantInPool",                        CC "(" HS_CONSTANT_POOL "I)" OBJECT,                                                  FN_PTR(resolveConstantInPool)},
  {CC "resolvePossiblyCachedConstantInPool",          CC "(" HS_CONSTANT_POOL "I)" OBJECT,                                                  FN_PTR(resolvePossiblyCachedConstantInPool)},
  {CC "resolveTypeInPool",                            CC "(" HS_CONSTANT_POOL "I)" HS_RESOLVED_KLASS,                                       FN_PTR(resolveTypeInPool)},
  {CC "resolveFieldInPool",                           CC "(" HS_CONSTANT_POOL "I" HS_RESOLVED_METHOD "B[I)" HS_RESOLVED_KLASS,              FN_PTR(resolveFieldInPool)},
  {CC "resolveInvokeDynamicInPool",                   CC "(" HS_CONSTANT_POOL "I)V",                                                        FN_PTR(resolveInvokeDynamicInPool)},
  {CC "resolveInvokeHandleInPool",                    CC "(" HS_CONSTANT_POOL "I)V",                                                        FN_PTR(resolveInvokeHandleInPool)},
  {CC "isResolvedInvokeHandleInPool",                 CC "(" HS_CONSTANT_POOL "I)I",                                                        FN_PTR(isResolvedInvokeHandleInPool)},
  {CC "resolveMethod",                                CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD, FN_PTR(resolveMethod)},
  {CC "getSignaturePolymorphicHolders",               CC "()[" STRING,                                                                      FN_PTR(getSignaturePolymorphicHolders)},
  {CC "getVtableIndexForInterfaceMethod",             CC "(" HS_RESOLVED_KLASS HS_RESOLVED_METHOD ")I",                                     FN_PTR(getVtableIndexForInterfaceMethod)},
  {CC "getClassInitializer",                          CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_METHOD,                                      FN_PTR(getClassInitializer)},
  {CC "hasFinalizableSubclass",                       CC "(" HS_RESOLVED_KLASS ")Z",                                                        FN_PTR(hasFinalizableSubclass)},
  {CC "getMaxCallTargetOffset",                       CC "(J)J",                                                                            FN_PTR(getMaxCallTargetOffset)},
  {CC "asResolvedJavaMethod",                         CC "(" EXECUTABLE ")" HS_RESOLVED_METHOD,                                             FN_PTR(asResolvedJavaMethod)},
  {CC "getResolvedJavaMethod",                        CC "(Ljava/lang/Object;J)" HS_RESOLVED_METHOD,                                        FN_PTR(getResolvedJavaMethod)},
  {CC "getConstantPool",                              CC "(Ljava/lang/Object;)" HS_CONSTANT_POOL,                                           FN_PTR(getConstantPool)},
  {CC "getResolvedJavaType",                          CC "(Ljava/lang/Object;JZ)" HS_RESOLVED_KLASS,                                        FN_PTR(getResolvedJavaType)},
  {CC "readConfiguration",                            CC "()[" OBJECT,                                                                      FN_PTR(readConfiguration)},
  {CC "installCode",                                  CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE INSTALLED_CODE HS_SPECULATION_LOG ")I",    FN_PTR(installCode)},
  {CC "getMetadata",                                  CC "(" TARGET_DESCRIPTION HS_COMPILED_CODE HS_METADATA ")I",                          FN_PTR(getMetadata)},
  {CC "resetCompilationStatistics",                   CC "()V",                                                                             FN_PTR(resetCompilationStatistics)},
  {CC "disassembleCodeBlob",                          CC "(" INSTALLED_CODE ")" STRING,                                                     FN_PTR(disassembleCodeBlob)},
  {CC "executeInstalledCode",                         CC "([" OBJECT INSTALLED_CODE ")" OBJECT,                                             FN_PTR(executeInstalledCode)},
  {CC "getLineNumberTable",                           CC "(" HS_RESOLVED_METHOD ")[J",                                                      FN_PTR(getLineNumberTable)},
  {CC "getLocalVariableTableStart",                   CC "(" HS_RESOLVED_METHOD ")J",                                                       FN_PTR(getLocalVariableTableStart)},
  {CC "getLocalVariableTableLength",                  CC "(" HS_RESOLVED_METHOD ")I",                                                       FN_PTR(getLocalVariableTableLength)},
  {CC "reprofile",                                    CC "(" HS_RESOLVED_METHOD ")V",                                                       FN_PTR(reprofile)},
  {CC "invalidateInstalledCode",                      CC "(" INSTALLED_CODE ")V",                                                           FN_PTR(invalidateInstalledCode)},
  {CC "collectCounters",                              CC "()[J",                                                                            FN_PTR(collectCounters)},
  {CC "allocateCompileId",                            CC "(" HS_RESOLVED_METHOD "I)I",                                                      FN_PTR(allocateCompileId)},
  {CC "isMature",                                     CC "(" METASPACE_METHOD_DATA ")Z",                                                    FN_PTR(isMature)},
  {CC "hasCompiledCodeForOSR",                        CC "(" HS_RESOLVED_METHOD "II)Z",                                                     FN_PTR(hasCompiledCodeForOSR)},
  {CC "getSymbol",                                    CC "(J)" STRING,                                                                      FN_PTR(getSymbol)},
  {CC "iterateFrames",                                CC "([" RESOLVED_METHOD "[" RESOLVED_METHOD "I" INSPECTED_FRAME_VISITOR ")" OBJECT,   FN_PTR(iterateFrames)},
  {CC "materializeVirtualObjects",                    CC "(" HS_STACK_FRAME_REF "Z)V",                                                      FN_PTR(materializeVirtualObjects)},
  {CC "shouldDebugNonSafepoints",                     CC "()Z",                                                                             FN_PTR(shouldDebugNonSafepoints)},
  {CC "writeDebugOutput",                             CC "([BII)V",                                                                         FN_PTR(writeDebugOutput)},
  {CC "flushDebugOutput",                             CC "()V",                                                                             FN_PTR(flushDebugOutput)},
  {CC "methodDataProfileDataSize",                    CC "(JI)I",                                                                           FN_PTR(methodDataProfileDataSize)},
  {CC "getFingerprint",                               CC "(J)J",                                                                            FN_PTR(getFingerprint)},
  {CC "getHostClass",                                 CC "(" HS_RESOLVED_KLASS ")" HS_RESOLVED_KLASS,                                       FN_PTR(getHostClass)},
  {CC "interpreterFrameSize",                         CC "(" BYTECODE_FRAME ")I",                                                           FN_PTR(interpreterFrameSize)},
  {CC "compileToBytecode",                            CC "(" OBJECT ")V",                                                                   FN_PTR(compileToBytecode)},
  {CC "getFlagValue",                                 CC "(" STRING ")" OBJECT,                                                             FN_PTR(getFlagValue)},
};

int CompilerToVM::methods_count() {
  return sizeof(methods) / sizeof(JNINativeMethod);
}