jdk8-mips64-public/hotspot: src/share/vm/prims/jniCheck.cpp@abe03600372a (annotated)

src/share/vm/prims/jniCheck.cpp@abe03600372a (annotated)

src/share/vm/prims/jniCheck.cpp

Sun, 15 Sep 2013 15:28:58 +0200

author: goetz
date: Sun, 15 Sep 2013 15:28:58 +0200
changeset 6470: abe03600372a
parent 5423: c29568b733d2
child 5844: f9be370a7d54
permissions: -rw-r--r--

8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
Summary: Implement profiling for c2 jit compilation. Also enable new cppInterpreter features.
Reviewed-by: kvn

 /*
  * Copyright (c) 2001, 2012, 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 "classfile/systemDictionary.hpp"
 #include "classfile/vmSymbols.hpp"
 #include "oops/instanceKlass.hpp"
 #include "oops/oop.inline.hpp"
 #include "oops/symbol.hpp"
 #include "prims/jni.h"
 #include "prims/jniCheck.hpp"
 #include "prims/jvm_misc.hpp"
 #include "runtime/fieldDescriptor.hpp"
 #include "runtime/handles.hpp"
 #include "runtime/interfaceSupport.hpp"
 #include "runtime/jfieldIDWorkaround.hpp"
 #include "runtime/thread.hpp"
 #ifdef TARGET_ARCH_x86
 # include "jniTypes_x86.hpp"
 #endif
 #ifdef TARGET_ARCH_sparc
 # include "jniTypes_sparc.hpp"
 #endif
 #ifdef TARGET_ARCH_zero
 # include "jniTypes_zero.hpp"
 #endif
 #ifdef TARGET_ARCH_arm
 # include "jniTypes_arm.hpp"
 #endif
 #ifdef TARGET_ARCH_ppc
 # include "jniTypes_ppc.hpp"
 #endif
 // Heap objects are allowed to be directly referenced only in VM code,
 // not in native code.
 #define ASSERT_OOPS_ALLOWED                                          \
     assert(JavaThread::current()->thread_state() == _thread_in_vm,   \
            "jniCheck examining oops in bad state.")
 // Execute the given block of source code with the thread in VM state.
 // To do this, transition from the NATIVE state to the VM state, execute
 // the code, and transtition back.  The ThreadInVMfromNative constructor
 // performs the transition to VM state, its destructor restores the
 // NATIVE state.
 #define IN_VM(source_code)   {                                         \
     {                                                                  \
       ThreadInVMfromNative __tiv(thr);                                 \
       source_code                                                      \
     }                                                                  \
   }
 /*
  * DECLARATIONS
  */
 static struct JNINativeInterface_ * unchecked_jni_NativeInterface;
 /*
  * MACRO DEFINITIONS
  */
 // All JNI checked functions here use JNI_ENTRY_CHECKED() instead of the
 // QUICK_ENTRY or LEAF variants found in jni.cpp.  This allows handles
 // to be created if a fatal error should occur.
 // Check for thread not attached to VM;  need to catch this before
 // assertions in the wrapper routines might fire
 // Check for env being the one value appropriate for this thread.
 #define JNI_ENTRY_CHECKED(result_type, header)                           \
 extern "C" {                                                             \
   result_type JNICALL header {                                           \
     JavaThread* thr = (JavaThread*)ThreadLocalStorage::get_thread_slow();\
     if (thr == NULL || !thr->is_Java_thread()) {                         \
       tty->print_cr(fatal_using_jnienv_in_nonjava);                      \
       os::abort(true);                                                   \
     }                                                                    \
     JNIEnv* xenv = thr->jni_environment();                               \
     if (env != xenv) {                                                   \
       NativeReportJNIFatalError(thr, warn_wrong_jnienv);                 \
     }                                                                    \
     VM_ENTRY_BASE(result_type, header, thr)
 #define UNCHECKED() (unchecked_jni_NativeInterface)
 static const char * warn_wrong_jnienv = "Using JNIEnv in the wrong thread";
 static const char * warn_bad_class_descriptor = "JNI FindClass received a bad class descriptor \"%s\".  A correct class descriptor " \
   "has no leading \"L\" or trailing \";\".  Incorrect descriptors will not be accepted in future releases.";
 static const char * fatal_using_jnienv_in_nonjava = "FATAL ERROR in native method: Using JNIEnv in non-Java thread";
 static const char * warn_other_function_in_critical = "Warning: Calling other JNI functions in the scope of " \
   "Get/ReleasePrimitiveArrayCritical or Get/ReleaseStringCritical";
 static const char * fatal_bad_ref_to_jni = "Bad global or local ref passed to JNI";
 static const char * fatal_received_null_class = "JNI received a null class";
 static const char * fatal_class_not_a_class = "JNI received a class argument that is not a class";
 static const char * fatal_class_not_a_throwable_class = "JNI Throw or ThrowNew received a class argument that is not a Throwable or Throwable subclass";
 static const char * fatal_wrong_class_or_method = "Wrong object class or methodID passed to JNI call";
 static const char * fatal_non_weak_method = "non-weak methodID passed to JNI call";
 static const char * fatal_unknown_array_object = "Unknown array object passed to JNI array operations";
 static const char * fatal_object_array_expected = "Object array expected but not received for JNI array operation";
 static const char * fatal_prim_type_array_expected = "Primitive type array expected but not received for JNI array operation";
 static const char * fatal_non_array  = "Non-array passed to JNI array operations";
 static const char * fatal_element_type_mismatch = "Array element type mismatch in JNI";
 static const char * fatal_should_be_static = "Non-static field ID passed to JNI";
 static const char * fatal_wrong_static_field = "Wrong static field ID passed to JNI";
 static const char * fatal_static_field_not_found = "Static field not found in JNI get/set field operations";
 static const char * fatal_static_field_mismatch = "Field type (static) mismatch in JNI get/set field operations";
 static const char * fatal_should_be_nonstatic = "Static field ID passed to JNI";
 static const char * fatal_null_object = "Null object passed to JNI";
 static const char * fatal_wrong_field = "Wrong field ID passed to JNI";
 static const char * fatal_instance_field_not_found = "Instance field not found in JNI get/set field operations";
 static const char * fatal_instance_field_mismatch = "Field type (instance) mismatch in JNI get/set field operations";
 static const char * fatal_non_string = "JNI string operation received a non-string";
 // When in VM state:
 static void ReportJNIWarning(JavaThread* thr, const char *msg) {
   tty->print_cr("WARNING in native method: %s", msg);
   thr->print_stack();
 }
 // When in NATIVE state:
 static void NativeReportJNIFatalError(JavaThread* thr, const char *msg) {
   IN_VM(
     ReportJNIFatalError(thr, msg);
   )
 }
 static void NativeReportJNIWarning(JavaThread* thr, const char *msg) {
   IN_VM(
     ReportJNIWarning(thr, msg);
   )
 }
 /*
  * SUPPORT FUNCTIONS
  */
 static inline void
 functionEnterCritical(JavaThread* thr)
 {
   if (thr->has_pending_exception()) {
     NativeReportJNIWarning(thr, "JNI call made with exception pending");
   }
 }
 static inline void
 functionEnterCriticalExceptionAllowed(JavaThread* thr)
 {
 }
 static inline void
 functionEnter(JavaThread* thr)
 {
   if (thr->in_critical()) {
     tty->print_cr(warn_other_function_in_critical);
   }
   if (thr->has_pending_exception()) {
     NativeReportJNIWarning(thr, "JNI call made with exception pending");
   }
 }
 static inline void
 functionEnterExceptionAllowed(JavaThread* thr)
 {
   if (thr->in_critical()) {
     tty->print_cr(warn_other_function_in_critical);
   }
 }
 static inline void
 functionExit(JNIEnv *env)
 {
   /* nothing to do at this time */
 }
 static inline void
 checkStaticFieldID(JavaThread* thr, jfieldID fid, jclass cls, int ftype)
 {
   fieldDescriptor fd;
   /* make sure it is a static field */
   if (!jfieldIDWorkaround::is_static_jfieldID(fid))
     ReportJNIFatalError(thr, fatal_should_be_static);
   /* validate the class being passed */
   ASSERT_OOPS_ALLOWED;
   Klass* k_oop = jniCheck::validate_class(thr, cls, false);
   /* check for proper subclass hierarchy */
   JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fid);
   Klass* f_oop = id->holder();
   if (!InstanceKlass::cast(k_oop)->is_subtype_of(f_oop))
     ReportJNIFatalError(thr, fatal_wrong_static_field);
   /* check for proper field type */
   if (!id->find_local_field(&fd))
     ReportJNIFatalError(thr, fatal_static_field_not_found);
   if ((fd.field_type() != ftype) &&
       !(fd.field_type() == T_ARRAY && ftype == T_OBJECT)) {
     ReportJNIFatalError(thr, fatal_static_field_mismatch);
   }
 }
 static inline void
 checkInstanceFieldID(JavaThread* thr, jfieldID fid, jobject obj, int ftype)
 {
   fieldDescriptor fd;
   /* make sure it is an instance field */
   if (jfieldIDWorkaround::is_static_jfieldID(fid))
     ReportJNIFatalError(thr, fatal_should_be_nonstatic);
   /* validate the object being passed and then get its class */
   ASSERT_OOPS_ALLOWED;
   oop oopObj = jniCheck::validate_object(thr, obj);
   if (!oopObj) {
     ReportJNIFatalError(thr, fatal_null_object);
   }
   Klass* k_oop = oopObj->klass();
   if (!jfieldIDWorkaround::is_valid_jfieldID(k_oop, fid)) {
     ReportJNIFatalError(thr, fatal_wrong_field);
   }
   /* make sure the field exists */
   int offset = jfieldIDWorkaround::from_instance_jfieldID(k_oop, fid);
   if (!InstanceKlass::cast(k_oop)->contains_field_offset(offset))
     ReportJNIFatalError(thr, fatal_wrong_field);
   /* check for proper field type */
   if (!InstanceKlass::cast(k_oop)->find_field_from_offset(offset,
                                                               false, &fd))
     ReportJNIFatalError(thr, fatal_instance_field_not_found);
   if ((fd.field_type() != ftype) &&
       !(fd.field_type() == T_ARRAY && ftype == T_OBJECT)) {
     ReportJNIFatalError(thr, fatal_instance_field_mismatch);
   }
 }
 static inline void
 checkString(JavaThread* thr, jstring js)
 {
   ASSERT_OOPS_ALLOWED;
   oop s = jniCheck::validate_object(thr, js);
   if (!s || !java_lang_String::is_instance(s))
     ReportJNIFatalError(thr, fatal_non_string);
 }
 static inline arrayOop
 check_is_array(JavaThread* thr, jarray jArray)
 {
   ASSERT_OOPS_ALLOWED;
   arrayOop aOop;
   aOop = (arrayOop)jniCheck::validate_object(thr, jArray);
   if (aOop == NULL || !aOop->is_array()) {
     ReportJNIFatalError(thr, fatal_non_array);
   }
   return aOop;
 }
 static inline arrayOop
 check_is_primitive_array(JavaThread* thr, jarray jArray) {
   arrayOop aOop = check_is_array(thr, jArray);
   if (!aOop->is_typeArray()) {
      ReportJNIFatalError(thr, fatal_prim_type_array_expected);
   }
   return aOop;
 }
 static inline void
 check_primitive_array_type(JavaThread* thr, jarray jArray, BasicType elementType)
 {
   BasicType array_type;
   arrayOop aOop;
   aOop = check_is_primitive_array(thr, jArray);
   array_type = TypeArrayKlass::cast(aOop->klass())->element_type();
   if (array_type != elementType) {
     ReportJNIFatalError(thr, fatal_element_type_mismatch);
   }
 }
 static inline void
 check_is_obj_array(JavaThread* thr, jarray jArray) {
   arrayOop aOop = check_is_array(thr, jArray);
   if (!aOop->is_objArray()) {
     ReportJNIFatalError(thr, fatal_object_array_expected);
   }
 }
 oop jniCheck::validate_handle(JavaThread* thr, jobject obj) {
   if (JNIHandles::is_frame_handle(thr, obj) ||
       JNIHandles::is_local_handle(thr, obj) ||
       JNIHandles::is_global_handle(obj) ||
       JNIHandles::is_weak_global_handle(obj)) {
     ASSERT_OOPS_ALLOWED;
     return JNIHandles::resolve_external_guard(obj);
   }
   ReportJNIFatalError(thr, fatal_bad_ref_to_jni);
   return NULL;
 }
 Method* jniCheck::validate_jmethod_id(JavaThread* thr, jmethodID method_id) {
   ASSERT_OOPS_ALLOWED;
   // do the fast jmethodID check first
   Method* moop = Method::checked_resolve_jmethod_id(method_id);
   if (moop == NULL) {
     ReportJNIFatalError(thr, fatal_wrong_class_or_method);
   }
   // jmethodIDs are supposed to be weak handles in the class loader data,
   // but that can be expensive so check it last
   else if (!Method::is_method_id(method_id)) {
     ReportJNIFatalError(thr, fatal_non_weak_method);
   }
   return moop;
 }
 oop jniCheck::validate_object(JavaThread* thr, jobject obj) {
     if (!obj)
         return NULL;
     ASSERT_OOPS_ALLOWED;
     oop oopObj = jniCheck::validate_handle(thr, obj);
     if (!oopObj) {
       ReportJNIFatalError(thr, fatal_bad_ref_to_jni);
     }
     return oopObj;
 }
 // Warn if a class descriptor is in decorated form; class descriptors
 // passed to JNI findClass should not be decorated unless they are
 // array descriptors.
 void jniCheck::validate_class_descriptor(JavaThread* thr, const char* name) {
   if (name == NULL) return;  // implementation accepts NULL so just return
   size_t len = strlen(name);
   if (len >= 2 &&
       name[0] == JVM_SIGNATURE_CLASS &&            // 'L'
       name[len-1] == JVM_SIGNATURE_ENDCLASS ) {    // ';'
     char msg[JVM_MAXPATHLEN];
     jio_snprintf(msg, JVM_MAXPATHLEN, warn_bad_class_descriptor, name);
     ReportJNIWarning(thr, msg);
   }
 }
 Klass* jniCheck::validate_class(JavaThread* thr, jclass clazz, bool allow_primitive) {
   ASSERT_OOPS_ALLOWED;
   oop mirror = jniCheck::validate_handle(thr, clazz);
   if (!mirror) {
     ReportJNIFatalError(thr, fatal_received_null_class);
   }
   if (mirror->klass() != SystemDictionary::Class_klass()) {
     ReportJNIFatalError(thr, fatal_class_not_a_class);
   }
   Klass* k = java_lang_Class::as_Klass(mirror);
   // Make allowances for primitive classes ...
   if (!(k != NULL || allow_primitive && java_lang_Class::is_primitive(mirror))) {
     ReportJNIFatalError(thr, fatal_class_not_a_class);
   }
   return k;
 }
 void jniCheck::validate_throwable_klass(JavaThread* thr, Klass* klass) {
   ASSERT_OOPS_ALLOWED;
   assert(klass != NULL, "klass argument must have a value");
   if (!klass->oop_is_instance() ||
       !InstanceKlass::cast(klass)->is_subclass_of(SystemDictionary::Throwable_klass())) {
     ReportJNIFatalError(thr, fatal_class_not_a_throwable_class);
   }
 }
 void jniCheck::validate_call_object(JavaThread* thr, jobject obj, jmethodID method_id) {
   /* validate the object being passed */
   ASSERT_OOPS_ALLOWED;
   jniCheck::validate_jmethod_id(thr, method_id);
   jniCheck::validate_object(thr, obj);
 }
 void jniCheck::validate_call_class(JavaThread* thr, jclass clazz, jmethodID method_id) {
   /* validate the class being passed */
   ASSERT_OOPS_ALLOWED;
   jniCheck::validate_jmethod_id(thr, method_id);
   jniCheck::validate_class(thr, clazz, false);
 }
 /*
  * IMPLEMENTATION OF FUNCTIONS IN CHECKED TABLE
  */
 JNI_ENTRY_CHECKED(jclass,
   checked_jni_DefineClass(JNIEnv *env,
                           const char *name,
                           jobject loader,
                           const jbyte *buf,
                           jsize len))
     functionEnter(thr);
     IN_VM(
       jniCheck::validate_object(thr, loader);
     )
     jclass result = UNCHECKED()->DefineClass(env, name, loader, buf, len);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jclass,
   checked_jni_FindClass(JNIEnv *env,
                         const char *name))
     functionEnter(thr);
     IN_VM(
       jniCheck::validate_class_descriptor(thr, name);
     )
     jclass result = UNCHECKED()->FindClass(env, name);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jmethodID,
   checked_jni_FromReflectedMethod(JNIEnv *env,
                                   jobject method))
     functionEnter(thr);
     IN_VM(
       jniCheck::validate_object(thr, method);
     )
     jmethodID result = UNCHECKED()->FromReflectedMethod(env, method);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jfieldID,
   checked_jni_FromReflectedField(JNIEnv *env,
                                  jobject field))
     functionEnter(thr);
     IN_VM(
       jniCheck::validate_object(thr, field);
     )
     jfieldID result = UNCHECKED()->FromReflectedField(env, field);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jobject,
   checked_jni_ToReflectedMethod(JNIEnv *env,
                                 jclass cls,
                                 jmethodID methodID,
                                 jboolean isStatic))
     functionEnter(thr);
     IN_VM(
       jniCheck::validate_class(thr, cls, false);
       jniCheck::validate_jmethod_id(thr, methodID);
     )
     jobject result = UNCHECKED()->ToReflectedMethod(env, cls, methodID,
                                                     isStatic);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jclass,
   checked_jni_GetSuperclass(JNIEnv *env,
                             jclass sub))
     functionEnter(thr);
     IN_VM(
       jniCheck::validate_class(thr, sub, true);
     )
     jclass result = UNCHECKED()->GetSuperclass(env, sub);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jboolean,
   checked_jni_IsAssignableFrom(JNIEnv *env,
                                jclass sub,
                                jclass sup))
     functionEnter(thr);
     IN_VM(
       jniCheck::validate_class(thr, sub, true);
       jniCheck::validate_class(thr, sup, true);
     )
     jboolean result = UNCHECKED()->IsAssignableFrom(env, sub, sup);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jobject,
   checked_jni_ToReflectedField(JNIEnv *env,
                                jclass cls,
                                jfieldID fieldID,
                                jboolean isStatic))
     functionEnter(thr);
     IN_VM(
       jniCheck::validate_class(thr, cls, false);
     )
     jobject result = UNCHECKED()->ToReflectedField(env, cls, fieldID,
                                                    isStatic);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jint,
   checked_jni_Throw(JNIEnv *env,
                     jthrowable obj))
     functionEnter(thr);
     IN_VM(
       oop oopObj = jniCheck::validate_object(thr, obj);
       if (oopObj == NULL) {
         // Unchecked Throw tolerates a NULL obj, so just warn
         ReportJNIWarning(thr, "JNI Throw called with NULL throwable");
       } else {
         jniCheck::validate_throwable_klass(thr, oopObj->klass());
       }
     )
     jint result = UNCHECKED()->Throw(env, obj);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jint,
   checked_jni_ThrowNew(JNIEnv *env,
                        jclass clazz,
                        const char *msg))
     functionEnter(thr);
     IN_VM(
       Klass* k = jniCheck::validate_class(thr, clazz, false);
       assert(k != NULL, "validate_class shouldn't return NULL Klass*");
       jniCheck::validate_throwable_klass(thr, k);
     )
     jint result = UNCHECKED()->ThrowNew(env, clazz, msg);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jthrowable,
   checked_jni_ExceptionOccurred(JNIEnv *env))
     functionEnterExceptionAllowed(thr);
     jthrowable result = UNCHECKED()->ExceptionOccurred(env);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(void,
   checked_jni_ExceptionDescribe(JNIEnv *env))
     functionEnterExceptionAllowed(thr);
     UNCHECKED()->ExceptionDescribe(env);
     functionExit(env);
 JNI_END
 JNI_ENTRY_CHECKED(void,
   checked_jni_ExceptionClear(JNIEnv *env))
     functionEnterExceptionAllowed(thr);
     UNCHECKED()->ExceptionClear(env);
     functionExit(env);
 JNI_END
 JNI_ENTRY_CHECKED(void,
   checked_jni_FatalError(JNIEnv *env,
                          const char *msg))
     functionEnter(thr);
     UNCHECKED()->FatalError(env, msg);
     functionExit(env);
 JNI_END
 JNI_ENTRY_CHECKED(jint,
   checked_jni_PushLocalFrame(JNIEnv *env,
                              jint capacity))
     functionEnterExceptionAllowed(thr);
     if (capacity < 0)
       NativeReportJNIFatalError(thr, "negative capacity");
     jint result = UNCHECKED()->PushLocalFrame(env, capacity);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jobject,
   checked_jni_PopLocalFrame(JNIEnv *env,
                             jobject result))
     functionEnterExceptionAllowed(thr);
     jobject res = UNCHECKED()->PopLocalFrame(env, result);
     functionExit(env);
     return res;
 JNI_END
 JNI_ENTRY_CHECKED(jobject,
   checked_jni_NewGlobalRef(JNIEnv *env,
                            jobject lobj))
     functionEnter(thr);
     IN_VM(
       if (lobj != NULL) {
         jniCheck::validate_handle(thr, lobj);
       }
     )
     jobject result = UNCHECKED()->NewGlobalRef(env,lobj);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(void,
   checked_jni_DeleteGlobalRef(JNIEnv *env,
                               jobject gref))
     functionEnterExceptionAllowed(thr);
     IN_VM(
       jniCheck::validate_object(thr, gref);
       if (gref && !JNIHandles::is_global_handle(gref)) {
         ReportJNIFatalError(thr,
             "Invalid global JNI handle passed to DeleteGlobalRef");
       }
     )
     UNCHECKED()->DeleteGlobalRef(env,gref);
     functionExit(env);
 JNI_END
 JNI_ENTRY_CHECKED(void,
   checked_jni_DeleteLocalRef(JNIEnv *env,
                              jobject obj))
     functionEnterExceptionAllowed(thr);
     IN_VM(
       jniCheck::validate_object(thr, obj);
       if (obj && !(JNIHandles::is_local_handle(thr, obj) ||
                    JNIHandles::is_frame_handle(thr, obj)))
         ReportJNIFatalError(thr,
             "Invalid local JNI handle passed to DeleteLocalRef");
     )
     UNCHECKED()->DeleteLocalRef(env, obj);
     functionExit(env);
 JNI_END
 JNI_ENTRY_CHECKED(jboolean,
   checked_jni_IsSameObject(JNIEnv *env,
                            jobject obj1,
                            jobject obj2))
     functionEnterExceptionAllowed(thr);
     IN_VM(
       /* This JNI function can be used to compare weak global references
        * to NULL objects. If the handles are valid, but contain NULL,
        * then don't attempt to validate the object.
        */
       if (obj1 != NULL && jniCheck::validate_handle(thr, obj1) != NULL) {
         jniCheck::validate_object(thr, obj1);
       }
       if (obj2 != NULL && jniCheck::validate_handle(thr, obj2) != NULL) {
         jniCheck::validate_object(thr, obj2);
       }
     )
     jboolean result = UNCHECKED()->IsSameObject(env,obj1,obj2);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jobject,
   checked_jni_NewLocalRef(JNIEnv *env,
                           jobject ref))
     functionEnter(thr);
     IN_VM(
       if (ref != NULL) {
         jniCheck::validate_handle(thr, ref);
       }
     )
     jobject result = UNCHECKED()->NewLocalRef(env, ref);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jint,
   checked_jni_EnsureLocalCapacity(JNIEnv *env,
                                   jint capacity))
     functionEnter(thr);
     if (capacity < 0) {
       NativeReportJNIFatalError(thr, "negative capacity");
     }
     jint result = UNCHECKED()->EnsureLocalCapacity(env, capacity);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jobject,
   checked_jni_AllocObject(JNIEnv *env,
                           jclass clazz))
     functionEnter(thr);
     IN_VM(
       jniCheck::validate_class(thr, clazz, false);
     )
     jobject result = UNCHECKED()->AllocObject(env,clazz);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jobject,
   checked_jni_NewObject(JNIEnv *env,
                         jclass clazz,
                         jmethodID methodID,
                         ...))
     functionEnter(thr);
     va_list args;
     IN_VM(
       jniCheck::validate_class(thr, clazz, false);
       jniCheck::validate_jmethod_id(thr, methodID);
     )
     va_start(args, methodID);
     jobject result = UNCHECKED()->NewObjectV(env,clazz,methodID,args);
     va_end(args);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jobject,
   checked_jni_NewObjectV(JNIEnv *env,
                          jclass clazz,
                          jmethodID methodID,
                          va_list args))
     functionEnter(thr);
     IN_VM(
       jniCheck::validate_class(thr, clazz, false);
       jniCheck::validate_jmethod_id(thr, methodID);
     )
     jobject result = UNCHECKED()->NewObjectV(env,clazz,methodID,args);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jobject,
   checked_jni_NewObjectA(JNIEnv *env,
                          jclass clazz,
                          jmethodID methodID,
                          const jvalue *args))
     functionEnter(thr);
     IN_VM(
       jniCheck::validate_class(thr, clazz, false);
       jniCheck::validate_jmethod_id(thr, methodID);
     )
     jobject result = UNCHECKED()->NewObjectA(env,clazz,methodID,args);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jclass,
   checked_jni_GetObjectClass(JNIEnv *env,
                              jobject obj))
     functionEnter(thr);
     IN_VM(
       jniCheck::validate_object(thr, obj);
     )
     jclass result = UNCHECKED()->GetObjectClass(env,obj);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jboolean,
   checked_jni_IsInstanceOf(JNIEnv *env,
                            jobject obj,
                            jclass clazz))
     functionEnter(thr);
     IN_VM(
       jniCheck::validate_object(thr, obj);
       jniCheck::validate_class(thr, clazz, true);
     )
     jboolean result = UNCHECKED()->IsInstanceOf(env,obj,clazz);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jmethodID,
   checked_jni_GetMethodID(JNIEnv *env,
                           jclass clazz,
                           const char *name,
                           const char *sig))
     functionEnter(thr);
     IN_VM(
       jniCheck::validate_class(thr, clazz, false);
     )
     jmethodID result = UNCHECKED()->GetMethodID(env,clazz,name,sig);
     functionExit(env);
     return result;
 JNI_END
 #define WRAPPER_CallMethod(ResultType, Result) \
 JNI_ENTRY_CHECKED(ResultType,  \
   checked_jni_Call##Result##Method(JNIEnv *env, \
                                    jobject obj, \
                                    jmethodID methodID, \
                                    ...)) \
     functionEnter(thr); \
     va_list args; \
     IN_VM( \
       jniCheck::validate_call_object(thr, obj, methodID); \
     ) \
     va_start(args,methodID); \
     ResultType result =UNCHECKED()->Call##Result##MethodV(env, obj, methodID, \
                                                           args); \
     va_end(args); \
     functionExit(env); \
     return result; \
 JNI_END \
 \
 JNI_ENTRY_CHECKED(ResultType,  \
   checked_jni_Call##Result##MethodV(JNIEnv *env, \
                                     jobject obj, \
                                     jmethodID methodID, \
                                     va_list args)) \
     functionEnter(thr); \
     IN_VM(\
       jniCheck::validate_call_object(thr, obj, methodID); \
     ) \
     ResultType result = UNCHECKED()->Call##Result##MethodV(env, obj, methodID,\
                                                            args); \
     functionExit(env); \
     return result; \
 JNI_END \
 \
 JNI_ENTRY_CHECKED(ResultType,  \
   checked_jni_Call##Result##MethodA(JNIEnv *env, \
                                     jobject obj, \
                                     jmethodID methodID, \
                                     const jvalue * args)) \
     functionEnter(thr); \
     IN_VM( \
       jniCheck::validate_call_object(thr, obj, methodID); \
     ) \
     ResultType result = UNCHECKED()->Call##Result##MethodA(env, obj, methodID,\
                                                            args); \
     functionExit(env); \
     return result; \
 JNI_END
 WRAPPER_CallMethod(jobject,Object)
 WRAPPER_CallMethod(jboolean,Boolean)
 WRAPPER_CallMethod(jbyte,Byte)
 WRAPPER_CallMethod(jshort,Short)
 WRAPPER_CallMethod(jchar,Char)
 WRAPPER_CallMethod(jint,Int)
 WRAPPER_CallMethod(jlong,Long)
 WRAPPER_CallMethod(jfloat,Float)
 WRAPPER_CallMethod(jdouble,Double)
 JNI_ENTRY_CHECKED(void,
   checked_jni_CallVoidMethod(JNIEnv *env, \
                              jobject obj, \
                              jmethodID methodID, \
                              ...))
     functionEnter(thr);
     va_list args;
     IN_VM(
       jniCheck::validate_call_object(thr, obj, methodID);
     )
     va_start(args,methodID);
     UNCHECKED()->CallVoidMethodV(env,obj,methodID,args);
     va_end(args);
     functionExit(env);
 JNI_END
 JNI_ENTRY_CHECKED(void,
   checked_jni_CallVoidMethodV(JNIEnv *env,
                               jobject obj,
                               jmethodID methodID,
                               va_list args))
     functionEnter(thr);
     IN_VM(
       jniCheck::validate_call_object(thr, obj, methodID);
     )
     UNCHECKED()->CallVoidMethodV(env,obj,methodID,args);
     functionExit(env);
 JNI_END
 JNI_ENTRY_CHECKED(void,
   checked_jni_CallVoidMethodA(JNIEnv *env,
                               jobject obj,
                               jmethodID methodID,
                               const jvalue * args))
     functionEnter(thr);
     IN_VM(
       jniCheck::validate_call_object(thr, obj, methodID);
     )
     UNCHECKED()->CallVoidMethodA(env,obj,methodID,args);
     functionExit(env);
 JNI_END
 #define WRAPPER_CallNonvirtualMethod(ResultType, Result) \
 JNI_ENTRY_CHECKED(ResultType,  \
   checked_jni_CallNonvirtual##Result##Method(JNIEnv *env, \
                                              jobject obj, \
                                              jclass clazz, \
                                              jmethodID methodID, \
                                              ...)) \
     functionEnter(thr); \
     va_list args; \
     IN_VM( \
       jniCheck::validate_call_object(thr, obj, methodID); \
       jniCheck::validate_call_class(thr, clazz, methodID); \
     ) \
     va_start(args,methodID); \
     ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodV(env, \
                                                                      obj, \
                                                                      clazz, \
                                                                      methodID,\
                                                                      args); \
     va_end(args); \
     functionExit(env); \
     return result; \
 JNI_END \
 \
 JNI_ENTRY_CHECKED(ResultType,  \
   checked_jni_CallNonvirtual##Result##MethodV(JNIEnv *env, \
                                               jobject obj, \
                                               jclass clazz, \
                                               jmethodID methodID, \
                                               va_list args)) \
     functionEnter(thr); \
     IN_VM( \
       jniCheck::validate_call_object(thr, obj, methodID); \
       jniCheck::validate_call_class(thr, clazz, methodID); \
     ) \
     ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodV(env, \
                                                                      obj, \
                                                                      clazz, \
                                                                      methodID,\
                                                                      args); \
     functionExit(env); \
     return result; \
 JNI_END \
 \
 JNI_ENTRY_CHECKED(ResultType,  \
   checked_jni_CallNonvirtual##Result##MethodA(JNIEnv *env, \
                                               jobject obj, \
                                               jclass clazz, \
                                               jmethodID methodID, \
                                               const jvalue * args)) \
     functionEnter(thr); \
     IN_VM( \
       jniCheck::validate_call_object(thr, obj, methodID); \
       jniCheck::validate_call_class(thr, clazz, methodID); \
     ) \
     ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodA(env, \
                                                                      obj, \
                                                                      clazz, \
                                                                      methodID,\
                                                                      args); \
     functionExit(env); \
     return result; \
 JNI_END
 WRAPPER_CallNonvirtualMethod(jobject,Object)
 WRAPPER_CallNonvirtualMethod(jboolean,Boolean)
 WRAPPER_CallNonvirtualMethod(jbyte,Byte)
 WRAPPER_CallNonvirtualMethod(jshort,Short)
 WRAPPER_CallNonvirtualMethod(jchar,Char)
 WRAPPER_CallNonvirtualMethod(jint,Int)
 WRAPPER_CallNonvirtualMethod(jlong,Long)
 WRAPPER_CallNonvirtualMethod(jfloat,Float)
 WRAPPER_CallNonvirtualMethod(jdouble,Double)
 JNI_ENTRY_CHECKED(void,
   checked_jni_CallNonvirtualVoidMethod(JNIEnv *env,
                                        jobject obj,
                                        jclass clazz,
                                        jmethodID methodID,
                                        ...))
     functionEnter(thr);
     va_list args;
     IN_VM(
       jniCheck::validate_call_object(thr, obj, methodID);
       jniCheck::validate_call_class(thr, clazz, methodID);
     )
     va_start(args,methodID);
     UNCHECKED()->CallNonvirtualVoidMethodV(env,obj,clazz,methodID,args);
     va_end(args);
     functionExit(env);
 JNI_END
 JNI_ENTRY_CHECKED(void,
   checked_jni_CallNonvirtualVoidMethodV(JNIEnv *env,
                                         jobject obj,
                                         jclass clazz,
                                         jmethodID methodID,
                                         va_list args))
     functionEnter(thr);
     IN_VM(
       jniCheck::validate_call_object(thr, obj, methodID);
       jniCheck::validate_call_class(thr, clazz, methodID);
     )
     UNCHECKED()->CallNonvirtualVoidMethodV(env,obj,clazz,methodID,args);
     functionExit(env);
 JNI_END
 JNI_ENTRY_CHECKED(void,
   checked_jni_CallNonvirtualVoidMethodA(JNIEnv *env,
                                         jobject obj,
                                         jclass clazz,
                                         jmethodID methodID,
                                         const jvalue * args))
     functionEnter(thr);
     IN_VM(
       jniCheck::validate_call_object(thr, obj, methodID);
       jniCheck::validate_call_class(thr, clazz, methodID);
     )
     UNCHECKED()->CallNonvirtualVoidMethodA(env,obj,clazz,methodID,args);
     functionExit(env);
 JNI_END
 JNI_ENTRY_CHECKED(jfieldID,
   checked_jni_GetFieldID(JNIEnv *env,
                          jclass clazz,
                          const char *name,
                          const char *sig))
     functionEnter(thr);
     IN_VM(
       jniCheck::validate_class(thr, clazz, false);
     )
     jfieldID result = UNCHECKED()->GetFieldID(env,clazz,name,sig);
     functionExit(env);
     return result;
 JNI_END
 #define WRAPPER_GetField(ReturnType,Result,FieldType) \
 JNI_ENTRY_CHECKED(ReturnType,  \
   checked_jni_Get##Result##Field(JNIEnv *env, \
                                  jobject obj, \
                                  jfieldID fieldID)) \
     functionEnter(thr); \
     IN_VM( \
       checkInstanceFieldID(thr, fieldID, obj, FieldType); \
     ) \
     ReturnType result = UNCHECKED()->Get##Result##Field(env,obj,fieldID); \
     functionExit(env); \
     return result; \
 JNI_END
 WRAPPER_GetField(jobject,  Object,  T_OBJECT)
 WRAPPER_GetField(jboolean, Boolean, T_BOOLEAN)
 WRAPPER_GetField(jbyte,    Byte,    T_BYTE)
 WRAPPER_GetField(jshort,   Short,   T_SHORT)
 WRAPPER_GetField(jchar,    Char,    T_CHAR)
 WRAPPER_GetField(jint,     Int,     T_INT)
 WRAPPER_GetField(jlong,    Long,    T_LONG)
 WRAPPER_GetField(jfloat,   Float,   T_FLOAT)
 WRAPPER_GetField(jdouble,  Double,  T_DOUBLE)
 #define WRAPPER_SetField(ValueType,Result,FieldType) \
 JNI_ENTRY_CHECKED(void,  \
   checked_jni_Set##Result##Field(JNIEnv *env, \
                                  jobject obj, \
                                  jfieldID fieldID, \
                                  ValueType val)) \
     functionEnter(thr); \
     IN_VM( \
       checkInstanceFieldID(thr, fieldID, obj, FieldType); \
     ) \
     UNCHECKED()->Set##Result##Field(env,obj,fieldID,val); \
     functionExit(env); \
 JNI_END
 WRAPPER_SetField(jobject,  Object,  T_OBJECT)
 WRAPPER_SetField(jboolean, Boolean, T_BOOLEAN)
 WRAPPER_SetField(jbyte,    Byte,    T_BYTE)
 WRAPPER_SetField(jshort,   Short,   T_SHORT)
 WRAPPER_SetField(jchar,    Char,    T_CHAR)
 WRAPPER_SetField(jint,     Int,     T_INT)
 WRAPPER_SetField(jlong,    Long,    T_LONG)
 WRAPPER_SetField(jfloat,   Float,   T_FLOAT)
 WRAPPER_SetField(jdouble,  Double,  T_DOUBLE)
 JNI_ENTRY_CHECKED(jmethodID,
   checked_jni_GetStaticMethodID(JNIEnv *env,
                                 jclass clazz,
                                 const char *name,
                                 const char *sig))
     functionEnter(thr);
     IN_VM(
       jniCheck::validate_class(thr, clazz, false);
     )
     jmethodID result = UNCHECKED()->GetStaticMethodID(env,clazz,name,sig);
     functionExit(env);
     return result;
 JNI_END
 #define WRAPPER_CallStaticMethod(ReturnType,Result) \
 JNI_ENTRY_CHECKED(ReturnType,  \
   checked_jni_CallStatic##Result##Method(JNIEnv *env, \
                                          jclass clazz, \
                                          jmethodID methodID, \
                                          ...)) \
     functionEnter(thr); \
     va_list args; \
     IN_VM( \
       jniCheck::validate_jmethod_id(thr, methodID); \
       jniCheck::validate_class(thr, clazz, false); \
     ) \
     va_start(args,methodID); \
     ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \
                                                                  clazz, \
                                                                  methodID, \
                                                                  args); \
     va_end(args); \
     functionExit(env); \
     return result; \
 JNI_END \
 \
 JNI_ENTRY_CHECKED(ReturnType,  \
   checked_jni_CallStatic##Result##MethodV(JNIEnv *env, \
                                           jclass clazz, \
                                           jmethodID methodID,\
                                           va_list args)) \
     functionEnter(thr); \
     IN_VM( \
       jniCheck::validate_jmethod_id(thr, methodID); \
       jniCheck::validate_class(thr, clazz, false); \
     ) \
     ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \
                                                                  clazz, \
                                                                  methodID, \
                                                                  args); \
     functionExit(env); \
     return result; \
 JNI_END \
 \
 JNI_ENTRY_CHECKED(ReturnType,  \
   checked_jni_CallStatic##Result##MethodA(JNIEnv *env, \
                                           jclass clazz, \
                                           jmethodID methodID, \
                                           const jvalue *args)) \
     functionEnter(thr); \
     IN_VM( \
       jniCheck::validate_jmethod_id(thr, methodID); \
       jniCheck::validate_class(thr, clazz, false); \
     ) \
     ReturnType result = UNCHECKED()->CallStatic##Result##MethodA(env, \
                                                                  clazz, \
                                                                  methodID, \
                                                                  args); \
     functionExit(env); \
     return result; \
 JNI_END
 WRAPPER_CallStaticMethod(jobject,Object)
 WRAPPER_CallStaticMethod(jboolean,Boolean)
 WRAPPER_CallStaticMethod(jbyte,Byte)
 WRAPPER_CallStaticMethod(jshort,Short)
 WRAPPER_CallStaticMethod(jchar,Char)
 WRAPPER_CallStaticMethod(jint,Int)
 WRAPPER_CallStaticMethod(jlong,Long)
 WRAPPER_CallStaticMethod(jfloat,Float)
 WRAPPER_CallStaticMethod(jdouble,Double)
 JNI_ENTRY_CHECKED(void,
   checked_jni_CallStaticVoidMethod(JNIEnv *env,
                                    jclass cls,
                                    jmethodID methodID,
                                    ...))
     functionEnter(thr);
     va_list args;
     IN_VM(
       jniCheck::validate_jmethod_id(thr, methodID);
       jniCheck::validate_class(thr, cls, false);
     )
     va_start(args,methodID);
     UNCHECKED()->CallStaticVoidMethodV(env,cls,methodID,args);
     va_end(args);
     functionExit(env);
 JNI_END
 JNI_ENTRY_CHECKED(void,
   checked_jni_CallStaticVoidMethodV(JNIEnv *env,
                                     jclass cls,
                                     jmethodID methodID,
                                     va_list args))
     functionEnter(thr);
     IN_VM(
       jniCheck::validate_jmethod_id(thr, methodID);
       jniCheck::validate_class(thr, cls, false);
     )
     UNCHECKED()->CallStaticVoidMethodV(env,cls,methodID,args);
     functionExit(env);
 JNI_END
 JNI_ENTRY_CHECKED(void,
   checked_jni_CallStaticVoidMethodA(JNIEnv *env,
                                     jclass cls,
                                     jmethodID methodID,
                                     const jvalue * args))
     functionEnter(thr);
     IN_VM(
       jniCheck::validate_jmethod_id(thr, methodID);
       jniCheck::validate_class(thr, cls, false);
     )
     UNCHECKED()->CallStaticVoidMethodA(env,cls,methodID,args);
     functionExit(env);
 JNI_END
 JNI_ENTRY_CHECKED(jfieldID,
   checked_jni_GetStaticFieldID(JNIEnv *env,
                                jclass clazz,
                                const char *name,
                                const char *sig))
     functionEnter(thr);
     IN_VM(
       jniCheck::validate_class(thr, clazz, false);
     )
     jfieldID result = UNCHECKED()->GetStaticFieldID(env,clazz,name,sig);
     functionExit(env);
     return result;
 JNI_END
 #define WRAPPER_GetStaticField(ReturnType,Result,FieldType) \
 JNI_ENTRY_CHECKED(ReturnType,  \
   checked_jni_GetStatic##Result##Field(JNIEnv *env, \
                                        jclass clazz, \
                                        jfieldID fieldID)) \
     functionEnter(thr); \
     IN_VM( \
       jniCheck::validate_class(thr, clazz, false); \
       checkStaticFieldID(thr, fieldID, clazz, FieldType); \
     ) \
     ReturnType result = UNCHECKED()->GetStatic##Result##Field(env, \
                                                               clazz, \
                                                               fieldID); \
     functionExit(env); \
     return result; \
 JNI_END
 WRAPPER_GetStaticField(jobject,  Object,  T_OBJECT)
 WRAPPER_GetStaticField(jboolean, Boolean, T_BOOLEAN)
 WRAPPER_GetStaticField(jbyte,    Byte,    T_BYTE)
 WRAPPER_GetStaticField(jshort,   Short,   T_SHORT)
 WRAPPER_GetStaticField(jchar,    Char,    T_CHAR)
 WRAPPER_GetStaticField(jint,     Int,     T_INT)
 WRAPPER_GetStaticField(jlong,    Long,    T_LONG)
 WRAPPER_GetStaticField(jfloat,   Float,   T_FLOAT)
 WRAPPER_GetStaticField(jdouble,  Double,  T_DOUBLE)
 #define WRAPPER_SetStaticField(ValueType,Result,FieldType) \
 JNI_ENTRY_CHECKED(void,  \
   checked_jni_SetStatic##Result##Field(JNIEnv *env, \
                                        jclass clazz, \
                                        jfieldID fieldID, \
                                        ValueType value)) \
     functionEnter(thr); \
     IN_VM( \
       jniCheck::validate_class(thr, clazz, false); \
       checkStaticFieldID(thr, fieldID, clazz, FieldType); \
     ) \
     UNCHECKED()->SetStatic##Result##Field(env,clazz,fieldID,value); \
     functionExit(env); \
 JNI_END
 WRAPPER_SetStaticField(jobject,  Object,  T_OBJECT)
 WRAPPER_SetStaticField(jboolean, Boolean, T_BOOLEAN)
 WRAPPER_SetStaticField(jbyte,    Byte,    T_BYTE)
 WRAPPER_SetStaticField(jshort,   Short,   T_SHORT)
 WRAPPER_SetStaticField(jchar,    Char,    T_CHAR)
 WRAPPER_SetStaticField(jint,     Int,     T_INT)
 WRAPPER_SetStaticField(jlong,    Long,    T_LONG)
 WRAPPER_SetStaticField(jfloat,   Float,   T_FLOAT)
 WRAPPER_SetStaticField(jdouble,  Double,  T_DOUBLE)
 JNI_ENTRY_CHECKED(jstring,
   checked_jni_NewString(JNIEnv *env,
                         const jchar *unicode,
                         jsize len))
     functionEnter(thr);
     jstring result = UNCHECKED()->NewString(env,unicode,len);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jsize,
   checked_jni_GetStringLength(JNIEnv *env,
                               jstring str))
     functionEnter(thr);
     IN_VM(
       checkString(thr, str);
     )
     jsize result = UNCHECKED()->GetStringLength(env,str);
     functionExit(env);
     return result;
 JNI_END
 // Arbitrary (but well-known) tag
 const jint STRING_TAG = 0x47114711;
 JNI_ENTRY_CHECKED(const jchar *,
   checked_jni_GetStringChars(JNIEnv *env,
                              jstring str,
                              jboolean *isCopy))
     functionEnter(thr);
     IN_VM(
       checkString(thr, str);
     )
     const jchar *result = UNCHECKED()->GetStringChars(env,str,isCopy);
     assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringChars didn't return a copy as expected");
     size_t len = UNCHECKED()->GetStringLength(env,str) + 1; // + 1 for NULL termination
     jint* tagLocation = (jint*) AllocateHeap(len * sizeof(jchar) + sizeof(jint), mtInternal);
     *tagLocation = STRING_TAG;
     jchar* newResult = (jchar*) (tagLocation + 1);
     memcpy(newResult, result, len * sizeof(jchar));
     // Avoiding call to UNCHECKED()->ReleaseStringChars() since that will fire unexpected dtrace probes
     // Note that the dtrace arguments for the allocated memory will not match up with this solution.
     FreeHeap((char*)result);
     functionExit(env);
     return newResult;
 JNI_END
 JNI_ENTRY_CHECKED(void,
   checked_jni_ReleaseStringChars(JNIEnv *env,
                                  jstring str,
                                  const jchar *chars))
     functionEnterExceptionAllowed(thr);
     IN_VM(
       checkString(thr, str);
     )
     if (chars == NULL) {
        // still do the unchecked call to allow dtrace probes
        UNCHECKED()->ReleaseStringChars(env,str,chars);
     }
     else {
        jint* tagLocation = ((jint*) chars) - 1;
        if (*tagLocation != STRING_TAG) {
           NativeReportJNIFatalError(thr, "ReleaseStringChars called on something not allocated by GetStringChars");
        }
        UNCHECKED()->ReleaseStringChars(env,str,(const jchar*)tagLocation);
     }
     functionExit(env);
 JNI_END
 JNI_ENTRY_CHECKED(jstring,
   checked_jni_NewStringUTF(JNIEnv *env,
                            const char *utf))
     functionEnter(thr);
     jstring result = UNCHECKED()->NewStringUTF(env,utf);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jsize,
   checked_jni_GetStringUTFLength(JNIEnv *env,
                                  jstring str))
     functionEnter(thr);
     IN_VM(
       checkString(thr, str);
     )
     jsize result = UNCHECKED()->GetStringUTFLength(env,str);
     functionExit(env);
     return result;
 JNI_END
 // Arbitrary (but well-known) tag - different than GetStringChars
 const jint STRING_UTF_TAG = 0x48124812;
 JNI_ENTRY_CHECKED(const char *,
   checked_jni_GetStringUTFChars(JNIEnv *env,
                                 jstring str,
                                 jboolean *isCopy))
     functionEnter(thr);
     IN_VM(
       checkString(thr, str);
     )
     const char *result = UNCHECKED()->GetStringUTFChars(env,str,isCopy);
     assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringUTFChars didn't return a copy as expected");
     size_t len = strlen(result) + 1; // + 1 for NULL termination
     jint* tagLocation = (jint*) AllocateHeap(len + sizeof(jint), mtInternal);
     *tagLocation = STRING_UTF_TAG;
     char* newResult = (char*) (tagLocation + 1);
     strcpy(newResult, result);
     // Avoiding call to UNCHECKED()->ReleaseStringUTFChars() since that will fire unexpected dtrace probes
     // Note that the dtrace arguments for the allocated memory will not match up with this solution.
     FreeHeap((char*)result, mtInternal);
     functionExit(env);
     return newResult;
 JNI_END
 JNI_ENTRY_CHECKED(void,
   checked_jni_ReleaseStringUTFChars(JNIEnv *env,
                                     jstring str,
                                     const char* chars))
     functionEnterExceptionAllowed(thr);
     IN_VM(
       checkString(thr, str);
     )
     if (chars == NULL) {
        // still do the unchecked call to allow dtrace probes
        UNCHECKED()->ReleaseStringUTFChars(env,str,chars);
     }
     else {
        jint* tagLocation = ((jint*) chars) - 1;
        if (*tagLocation != STRING_UTF_TAG) {
           NativeReportJNIFatalError(thr, "ReleaseStringUTFChars called on something not allocated by GetStringUTFChars");
        }
        UNCHECKED()->ReleaseStringUTFChars(env,str,(const char*)tagLocation);
     }
     functionExit(env);
 JNI_END
 JNI_ENTRY_CHECKED(jsize,
   checked_jni_GetArrayLength(JNIEnv *env,
                              jarray array))
     functionEnter(thr);
     IN_VM(
       check_is_array(thr, array);
     )
     jsize result = UNCHECKED()->GetArrayLength(env,array);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jobjectArray,
   checked_jni_NewObjectArray(JNIEnv *env,
                              jsize len,
                              jclass clazz,
                              jobject init))
     functionEnter(thr);
     jobjectArray result = UNCHECKED()->NewObjectArray(env,len,clazz,init);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jobject,
   checked_jni_GetObjectArrayElement(JNIEnv *env,
                                     jobjectArray array,
                                     jsize index))
     functionEnter(thr);
     IN_VM(
       check_is_obj_array(thr, array);
     )
     jobject result = UNCHECKED()->GetObjectArrayElement(env,array,index);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(void,
   checked_jni_SetObjectArrayElement(JNIEnv *env,
                                     jobjectArray array,
                                     jsize index,
                                     jobject val))
     functionEnter(thr);
     IN_VM(
       check_is_obj_array(thr, array);
     )
     UNCHECKED()->SetObjectArrayElement(env,array,index,val);
     functionExit(env);
 JNI_END
 #define WRAPPER_NewScalarArray(Return, Result) \
 JNI_ENTRY_CHECKED(Return, \
   checked_jni_New##Result##Array(JNIEnv *env, \
                                  jsize len)) \
     functionEnter(thr); \
     Return result = UNCHECKED()->New##Result##Array(env,len); \
     functionExit(env); \
     return (Return) result; \
 JNI_END
 WRAPPER_NewScalarArray(jbooleanArray, Boolean)
 WRAPPER_NewScalarArray(jbyteArray, Byte)
 WRAPPER_NewScalarArray(jshortArray, Short)
 WRAPPER_NewScalarArray(jcharArray, Char)
 WRAPPER_NewScalarArray(jintArray, Int)
 WRAPPER_NewScalarArray(jlongArray, Long)
 WRAPPER_NewScalarArray(jfloatArray, Float)
 WRAPPER_NewScalarArray(jdoubleArray, Double)
 #define WRAPPER_GetScalarArrayElements(ElementTag,ElementType,Result) \
 JNI_ENTRY_CHECKED(ElementType *,  \
   checked_jni_Get##Result##ArrayElements(JNIEnv *env, \
                                          ElementType##Array array, \
                                          jboolean *isCopy)) \
     functionEnter(thr); \
     IN_VM( \
       check_primitive_array_type(thr, array, ElementTag); \
     ) \
     ElementType *result = UNCHECKED()->Get##Result##ArrayElements(env, \
                                                                   array, \
                                                                   isCopy); \
     functionExit(env); \
     return result; \
 JNI_END
 WRAPPER_GetScalarArrayElements(T_BOOLEAN, jboolean, Boolean)
 WRAPPER_GetScalarArrayElements(T_BYTE,    jbyte,    Byte)
 WRAPPER_GetScalarArrayElements(T_SHORT,   jshort,   Short)
 WRAPPER_GetScalarArrayElements(T_CHAR,    jchar,    Char)
 WRAPPER_GetScalarArrayElements(T_INT,     jint,     Int)
 WRAPPER_GetScalarArrayElements(T_LONG,    jlong,    Long)
 WRAPPER_GetScalarArrayElements(T_FLOAT,   jfloat,   Float)
 WRAPPER_GetScalarArrayElements(T_DOUBLE,  jdouble,  Double)
 #define WRAPPER_ReleaseScalarArrayElements(ElementTag,ElementType,Result,Tag) \
 JNI_ENTRY_CHECKED(void,  \
   checked_jni_Release##Result##ArrayElements(JNIEnv *env, \
                                              ElementType##Array array, \
                                              ElementType *elems, \
                                              jint mode)) \
     functionEnterExceptionAllowed(thr); \
     IN_VM( \
       check_primitive_array_type(thr, array, ElementTag); \
       ASSERT_OOPS_ALLOWED; \
       typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \
       /* cannot check validity of copy, unless every request is logged by
        * checking code.  Implementation of this check is deferred until a
        * subsequent release.
        */ \
     ) \
     UNCHECKED()->Release##Result##ArrayElements(env,array,elems,mode); \
     functionExit(env); \
 JNI_END
 WRAPPER_ReleaseScalarArrayElements(T_BOOLEAN,jboolean, Boolean, bool)
 WRAPPER_ReleaseScalarArrayElements(T_BYTE,   jbyte,    Byte,    byte)
 WRAPPER_ReleaseScalarArrayElements(T_SHORT,  jshort,   Short,   short)
 WRAPPER_ReleaseScalarArrayElements(T_CHAR,   jchar,    Char,    char)
 WRAPPER_ReleaseScalarArrayElements(T_INT,    jint,     Int,     int)
 WRAPPER_ReleaseScalarArrayElements(T_LONG,   jlong,    Long,    long)
 WRAPPER_ReleaseScalarArrayElements(T_FLOAT,  jfloat,   Float,   float)
 WRAPPER_ReleaseScalarArrayElements(T_DOUBLE, jdouble,  Double,  double)
 #define WRAPPER_GetScalarArrayRegion(ElementTag,ElementType,Result) \
 JNI_ENTRY_CHECKED(void,  \
   checked_jni_Get##Result##ArrayRegion(JNIEnv *env, \
                                        ElementType##Array array, \
                                        jsize start, \
                                        jsize len, \
                                        ElementType *buf)) \
     functionEnter(thr); \
     IN_VM( \
       check_primitive_array_type(thr, array, ElementTag); \
     ) \
     UNCHECKED()->Get##Result##ArrayRegion(env,array,start,len,buf); \
     functionExit(env); \
 JNI_END
 WRAPPER_GetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean)
 WRAPPER_GetScalarArrayRegion(T_BYTE,    jbyte,    Byte)
 WRAPPER_GetScalarArrayRegion(T_SHORT,   jshort,   Short)
 WRAPPER_GetScalarArrayRegion(T_CHAR,    jchar,    Char)
 WRAPPER_GetScalarArrayRegion(T_INT,     jint,     Int)
 WRAPPER_GetScalarArrayRegion(T_LONG,    jlong,    Long)
 WRAPPER_GetScalarArrayRegion(T_FLOAT,   jfloat,   Float)
 WRAPPER_GetScalarArrayRegion(T_DOUBLE,  jdouble,  Double)
 #define WRAPPER_SetScalarArrayRegion(ElementTag,ElementType,Result) \
 JNI_ENTRY_CHECKED(void,  \
   checked_jni_Set##Result##ArrayRegion(JNIEnv *env, \
                                        ElementType##Array array, \
                                        jsize start, \
                                        jsize len, \
                                        const ElementType *buf)) \
     functionEnter(thr); \
     IN_VM( \
       check_primitive_array_type(thr, array, ElementTag); \
     ) \
     UNCHECKED()->Set##Result##ArrayRegion(env,array,start,len,buf); \
     functionExit(env); \
 JNI_END
 WRAPPER_SetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean)
 WRAPPER_SetScalarArrayRegion(T_BYTE,    jbyte,    Byte)
 WRAPPER_SetScalarArrayRegion(T_SHORT,   jshort,   Short)
 WRAPPER_SetScalarArrayRegion(T_CHAR,    jchar,    Char)
 WRAPPER_SetScalarArrayRegion(T_INT,     jint,     Int)
 WRAPPER_SetScalarArrayRegion(T_LONG,    jlong,    Long)
 WRAPPER_SetScalarArrayRegion(T_FLOAT,   jfloat,   Float)
 WRAPPER_SetScalarArrayRegion(T_DOUBLE,  jdouble,  Double)
 JNI_ENTRY_CHECKED(jint,
   checked_jni_RegisterNatives(JNIEnv *env,
                               jclass clazz,
                               const JNINativeMethod *methods,
                               jint nMethods))
     functionEnter(thr);
     jint result = UNCHECKED()->RegisterNatives(env,clazz,methods,nMethods);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jint,
   checked_jni_UnregisterNatives(JNIEnv *env,
                                 jclass clazz))
     functionEnter(thr);
     jint result = UNCHECKED()->UnregisterNatives(env,clazz);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jint,
   checked_jni_MonitorEnter(JNIEnv *env,
                            jobject obj))
     functionEnter(thr);
     IN_VM(
       jniCheck::validate_object(thr, obj);
     )
     jint result = UNCHECKED()->MonitorEnter(env,obj);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jint,
   checked_jni_MonitorExit(JNIEnv *env,
                           jobject obj))
     functionEnterExceptionAllowed(thr);
     IN_VM(
       jniCheck::validate_object(thr, obj);
     )
     jint result = UNCHECKED()->MonitorExit(env,obj);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jint,
   checked_jni_GetJavaVM(JNIEnv *env,
                         JavaVM **vm))
     functionEnter(thr);
     jint result = UNCHECKED()->GetJavaVM(env,vm);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(void,
   checked_jni_GetStringRegion(JNIEnv *env,
                               jstring str,
                               jsize start,
                               jsize len,
                               jchar *buf))
     functionEnter(thr);
     IN_VM(
       checkString(thr, str);
     )
     UNCHECKED()->GetStringRegion(env, str, start, len, buf);
     functionExit(env);
 JNI_END
 JNI_ENTRY_CHECKED(void,
   checked_jni_GetStringUTFRegion(JNIEnv *env,
                                  jstring str,
                                  jsize start,
                                  jsize len,
                                  char *buf))
     functionEnter(thr);
     IN_VM(
       checkString(thr, str);
     )
     UNCHECKED()->GetStringUTFRegion(env, str, start, len, buf);
     functionExit(env);
 JNI_END
 JNI_ENTRY_CHECKED(void *,
   checked_jni_GetPrimitiveArrayCritical(JNIEnv *env,
                                         jarray array,
                                         jboolean *isCopy))
     functionEnterCritical(thr);
     IN_VM(
       check_is_primitive_array(thr, array);
     )
     void *result = UNCHECKED()->GetPrimitiveArrayCritical(env, array, isCopy);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(void,
   checked_jni_ReleasePrimitiveArrayCritical(JNIEnv *env,
                                             jarray array,
                                             void *carray,
                                             jint mode))
     functionEnterCriticalExceptionAllowed(thr);
     IN_VM(
       check_is_primitive_array(thr, array);
     )
     /* The Hotspot JNI code does not use the parameters, so just check the
      * array parameter as a minor sanity check
      */
     UNCHECKED()->ReleasePrimitiveArrayCritical(env, array, carray, mode);
     functionExit(env);
 JNI_END
 JNI_ENTRY_CHECKED(const jchar*,
   checked_jni_GetStringCritical(JNIEnv *env,
                                 jstring string,
                                 jboolean *isCopy))
     functionEnterCritical(thr);
     IN_VM(
       checkString(thr, string);
     )
     const jchar *result = UNCHECKED()->GetStringCritical(env, string, isCopy);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(void,
   checked_jni_ReleaseStringCritical(JNIEnv *env,
                                     jstring str,
                                     const jchar *chars))
     functionEnterCriticalExceptionAllowed(thr);
     IN_VM(
       checkString(thr, str);
     )
     /* The Hotspot JNI code does not use the parameters, so just check the
      * string parameter as a minor sanity check
      */
     UNCHECKED()->ReleaseStringCritical(env, str, chars);
     functionExit(env);
 JNI_END
 JNI_ENTRY_CHECKED(jweak,
   checked_jni_NewWeakGlobalRef(JNIEnv *env,
                                jobject obj))
     functionEnter(thr);
     IN_VM(
       if (obj != NULL) {
         jniCheck::validate_handle(thr, obj);
       }
     )
     jweak result = UNCHECKED()->NewWeakGlobalRef(env, obj);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(void,
   checked_jni_DeleteWeakGlobalRef(JNIEnv *env,
                                   jweak ref))
     functionEnterExceptionAllowed(thr);
     UNCHECKED()->DeleteWeakGlobalRef(env, ref);
     functionExit(env);
 JNI_END
 JNI_ENTRY_CHECKED(jboolean,
   checked_jni_ExceptionCheck(JNIEnv *env))
     functionEnterExceptionAllowed(thr);
     jboolean result = UNCHECKED()->ExceptionCheck(env);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jobject,
   checked_jni_NewDirectByteBuffer(JNIEnv *env,
                                   void *address,
                                   jlong capacity))
     functionEnter(thr);
     jobject result = UNCHECKED()->NewDirectByteBuffer(env, address, capacity);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(void *,
   checked_jni_GetDirectBufferAddress(JNIEnv *env,
                                      jobject buf))
     functionEnter(thr);
     void* result = UNCHECKED()->GetDirectBufferAddress(env, buf);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jlong,
   checked_jni_GetDirectBufferCapacity(JNIEnv *env,
                                       jobject buf))
     functionEnter(thr);
     jlong result = UNCHECKED()->GetDirectBufferCapacity(env, buf);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jobjectRefType,
   checked_jni_GetObjectRefType(JNIEnv *env,
                                jobject obj))
     functionEnter(thr);
     /* validate the object being passed */
     IN_VM(
       jniCheck::validate_object(thr, obj);
     )
     jobjectRefType result = UNCHECKED()->GetObjectRefType(env, obj);
     functionExit(env);
     return result;
 JNI_END
 JNI_ENTRY_CHECKED(jint,
   checked_jni_GetVersion(JNIEnv *env))
     functionEnter(thr);
     jint result = UNCHECKED()->GetVersion(env);
     functionExit(env);
     return result;
 JNI_END
 /*
  * Structure containing all checked jni functions
  */
 struct JNINativeInterface_  checked_jni_NativeInterface = {
     NULL,
     NULL,
     NULL,
     NULL,
     checked_jni_GetVersion,
     checked_jni_DefineClass,
     checked_jni_FindClass,
     checked_jni_FromReflectedMethod,
     checked_jni_FromReflectedField,
     checked_jni_ToReflectedMethod,
     checked_jni_GetSuperclass,
     checked_jni_IsAssignableFrom,
     checked_jni_ToReflectedField,
     checked_jni_Throw,
     checked_jni_ThrowNew,
     checked_jni_ExceptionOccurred,
     checked_jni_ExceptionDescribe,
     checked_jni_ExceptionClear,
     checked_jni_FatalError,
     checked_jni_PushLocalFrame,
     checked_jni_PopLocalFrame,
     checked_jni_NewGlobalRef,
     checked_jni_DeleteGlobalRef,
     checked_jni_DeleteLocalRef,
     checked_jni_IsSameObject,
     checked_jni_NewLocalRef,
     checked_jni_EnsureLocalCapacity,
     checked_jni_AllocObject,
     checked_jni_NewObject,
     checked_jni_NewObjectV,
     checked_jni_NewObjectA,
     checked_jni_GetObjectClass,
     checked_jni_IsInstanceOf,
     checked_jni_GetMethodID,
     checked_jni_CallObjectMethod,
     checked_jni_CallObjectMethodV,
     checked_jni_CallObjectMethodA,
     checked_jni_CallBooleanMethod,
     checked_jni_CallBooleanMethodV,
     checked_jni_CallBooleanMethodA,
     checked_jni_CallByteMethod,
     checked_jni_CallByteMethodV,
     checked_jni_CallByteMethodA,
     checked_jni_CallCharMethod,
     checked_jni_CallCharMethodV,
     checked_jni_CallCharMethodA,
     checked_jni_CallShortMethod,
     checked_jni_CallShortMethodV,
     checked_jni_CallShortMethodA,
     checked_jni_CallIntMethod,
     checked_jni_CallIntMethodV,
     checked_jni_CallIntMethodA,
     checked_jni_CallLongMethod,
     checked_jni_CallLongMethodV,
     checked_jni_CallLongMethodA,
     checked_jni_CallFloatMethod,
     checked_jni_CallFloatMethodV,
     checked_jni_CallFloatMethodA,
     checked_jni_CallDoubleMethod,
     checked_jni_CallDoubleMethodV,
     checked_jni_CallDoubleMethodA,
     checked_jni_CallVoidMethod,
     checked_jni_CallVoidMethodV,
     checked_jni_CallVoidMethodA,
     checked_jni_CallNonvirtualObjectMethod,
     checked_jni_CallNonvirtualObjectMethodV,
     checked_jni_CallNonvirtualObjectMethodA,
     checked_jni_CallNonvirtualBooleanMethod,
     checked_jni_CallNonvirtualBooleanMethodV,
     checked_jni_CallNonvirtualBooleanMethodA,
     checked_jni_CallNonvirtualByteMethod,
     checked_jni_CallNonvirtualByteMethodV,
     checked_jni_CallNonvirtualByteMethodA,
     checked_jni_CallNonvirtualCharMethod,
     checked_jni_CallNonvirtualCharMethodV,
     checked_jni_CallNonvirtualCharMethodA,
     checked_jni_CallNonvirtualShortMethod,
     checked_jni_CallNonvirtualShortMethodV,
     checked_jni_CallNonvirtualShortMethodA,
     checked_jni_CallNonvirtualIntMethod,
     checked_jni_CallNonvirtualIntMethodV,
     checked_jni_CallNonvirtualIntMethodA,
     checked_jni_CallNonvirtualLongMethod,
     checked_jni_CallNonvirtualLongMethodV,
     checked_jni_CallNonvirtualLongMethodA,
     checked_jni_CallNonvirtualFloatMethod,
     checked_jni_CallNonvirtualFloatMethodV,
     checked_jni_CallNonvirtualFloatMethodA,
     checked_jni_CallNonvirtualDoubleMethod,
     checked_jni_CallNonvirtualDoubleMethodV,
     checked_jni_CallNonvirtualDoubleMethodA,
     checked_jni_CallNonvirtualVoidMethod,
     checked_jni_CallNonvirtualVoidMethodV,
     checked_jni_CallNonvirtualVoidMethodA,
     checked_jni_GetFieldID,
     checked_jni_GetObjectField,
     checked_jni_GetBooleanField,
     checked_jni_GetByteField,
     checked_jni_GetCharField,
     checked_jni_GetShortField,
     checked_jni_GetIntField,
     checked_jni_GetLongField,
     checked_jni_GetFloatField,
     checked_jni_GetDoubleField,
     checked_jni_SetObjectField,
     checked_jni_SetBooleanField,
     checked_jni_SetByteField,
     checked_jni_SetCharField,
     checked_jni_SetShortField,
     checked_jni_SetIntField,
     checked_jni_SetLongField,
     checked_jni_SetFloatField,
     checked_jni_SetDoubleField,
     checked_jni_GetStaticMethodID,
     checked_jni_CallStaticObjectMethod,
     checked_jni_CallStaticObjectMethodV,
     checked_jni_CallStaticObjectMethodA,
     checked_jni_CallStaticBooleanMethod,
     checked_jni_CallStaticBooleanMethodV,
     checked_jni_CallStaticBooleanMethodA,
     checked_jni_CallStaticByteMethod,
     checked_jni_CallStaticByteMethodV,
     checked_jni_CallStaticByteMethodA,
     checked_jni_CallStaticCharMethod,
     checked_jni_CallStaticCharMethodV,
     checked_jni_CallStaticCharMethodA,
     checked_jni_CallStaticShortMethod,
     checked_jni_CallStaticShortMethodV,
     checked_jni_CallStaticShortMethodA,
     checked_jni_CallStaticIntMethod,
     checked_jni_CallStaticIntMethodV,
     checked_jni_CallStaticIntMethodA,
     checked_jni_CallStaticLongMethod,
     checked_jni_CallStaticLongMethodV,
     checked_jni_CallStaticLongMethodA,
     checked_jni_CallStaticFloatMethod,
     checked_jni_CallStaticFloatMethodV,
     checked_jni_CallStaticFloatMethodA,
     checked_jni_CallStaticDoubleMethod,
     checked_jni_CallStaticDoubleMethodV,
     checked_jni_CallStaticDoubleMethodA,
     checked_jni_CallStaticVoidMethod,
     checked_jni_CallStaticVoidMethodV,
     checked_jni_CallStaticVoidMethodA,
     checked_jni_GetStaticFieldID,
     checked_jni_GetStaticObjectField,
     checked_jni_GetStaticBooleanField,
     checked_jni_GetStaticByteField,
     checked_jni_GetStaticCharField,
     checked_jni_GetStaticShortField,
     checked_jni_GetStaticIntField,
     checked_jni_GetStaticLongField,
     checked_jni_GetStaticFloatField,
     checked_jni_GetStaticDoubleField,
     checked_jni_SetStaticObjectField,
     checked_jni_SetStaticBooleanField,
     checked_jni_SetStaticByteField,
     checked_jni_SetStaticCharField,
     checked_jni_SetStaticShortField,
     checked_jni_SetStaticIntField,
     checked_jni_SetStaticLongField,
     checked_jni_SetStaticFloatField,
     checked_jni_SetStaticDoubleField,
     checked_jni_NewString,
     checked_jni_GetStringLength,
     checked_jni_GetStringChars,
     checked_jni_ReleaseStringChars,
     checked_jni_NewStringUTF,
     checked_jni_GetStringUTFLength,
     checked_jni_GetStringUTFChars,
     checked_jni_ReleaseStringUTFChars,
     checked_jni_GetArrayLength,
     checked_jni_NewObjectArray,
     checked_jni_GetObjectArrayElement,
     checked_jni_SetObjectArrayElement,
     checked_jni_NewBooleanArray,
     checked_jni_NewByteArray,
     checked_jni_NewCharArray,
     checked_jni_NewShortArray,
     checked_jni_NewIntArray,
     checked_jni_NewLongArray,
     checked_jni_NewFloatArray,
     checked_jni_NewDoubleArray,
     checked_jni_GetBooleanArrayElements,
     checked_jni_GetByteArrayElements,
     checked_jni_GetCharArrayElements,
     checked_jni_GetShortArrayElements,
     checked_jni_GetIntArrayElements,
     checked_jni_GetLongArrayElements,
     checked_jni_GetFloatArrayElements,
     checked_jni_GetDoubleArrayElements,
     checked_jni_ReleaseBooleanArrayElements,
     checked_jni_ReleaseByteArrayElements,
     checked_jni_ReleaseCharArrayElements,
     checked_jni_ReleaseShortArrayElements,
     checked_jni_ReleaseIntArrayElements,
     checked_jni_ReleaseLongArrayElements,
     checked_jni_ReleaseFloatArrayElements,
     checked_jni_ReleaseDoubleArrayElements,
     checked_jni_GetBooleanArrayRegion,
     checked_jni_GetByteArrayRegion,
     checked_jni_GetCharArrayRegion,
     checked_jni_GetShortArrayRegion,
     checked_jni_GetIntArrayRegion,
     checked_jni_GetLongArrayRegion,
     checked_jni_GetFloatArrayRegion,
     checked_jni_GetDoubleArrayRegion,
     checked_jni_SetBooleanArrayRegion,
     checked_jni_SetByteArrayRegion,
     checked_jni_SetCharArrayRegion,
     checked_jni_SetShortArrayRegion,
     checked_jni_SetIntArrayRegion,
     checked_jni_SetLongArrayRegion,
     checked_jni_SetFloatArrayRegion,
     checked_jni_SetDoubleArrayRegion,
     checked_jni_RegisterNatives,
     checked_jni_UnregisterNatives,
     checked_jni_MonitorEnter,
     checked_jni_MonitorExit,
     checked_jni_GetJavaVM,
     checked_jni_GetStringRegion,
     checked_jni_GetStringUTFRegion,
     checked_jni_GetPrimitiveArrayCritical,
     checked_jni_ReleasePrimitiveArrayCritical,
     checked_jni_GetStringCritical,
     checked_jni_ReleaseStringCritical,
     checked_jni_NewWeakGlobalRef,
     checked_jni_DeleteWeakGlobalRef,
     checked_jni_ExceptionCheck,
     checked_jni_NewDirectByteBuffer,
     checked_jni_GetDirectBufferAddress,
     checked_jni_GetDirectBufferCapacity,
     // New 1.6 Features
     checked_jni_GetObjectRefType
 };
 // Returns the function structure
 struct JNINativeInterface_* jni_functions_check() {
   unchecked_jni_NativeInterface = jni_functions_nocheck();
   // make sure the last pointer in the checked table is not null, indicating
   // an addition to the JNINativeInterface_ structure without initializing
   // it in the checked table.
   debug_only(int *lastPtr = (int *)((char *)&checked_jni_NativeInterface + \
              sizeof(*unchecked_jni_NativeInterface) - sizeof(char *));)
   assert(*lastPtr != 0,
          "Mismatched JNINativeInterface tables, check for new entries");
   // with -verbose:jni this message will print
   if (PrintJNIResolving) {
     tty->print_cr("Checked JNI functions are being used to " \
                   "validate JNI usage");
   }
   return &checked_jni_NativeInterface;
 }

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/prims/jniCheck.cpp@abe03600372a (annotated)

src/share/vm/prims/jniCheck.cpp