jdk8-mips64-public/hotspot: src/share/vm/prims/jniCheck.cpp@50e62b688ddc

     1 /*

     2  * Copyright (c) 2001, 2015, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    25 #include "precompiled.hpp"

    26 #include "classfile/systemDictionary.hpp"

    27 #include "classfile/vmSymbols.hpp"

    28 #include "memory/guardedMemory.hpp"

    29 #include "oops/instanceKlass.hpp"

    30 #include "oops/oop.inline.hpp"

    31 #include "oops/symbol.hpp"

    32 #include "prims/jni.h"

    33 #include "prims/jniCheck.hpp"

    34 #include "prims/jvm_misc.hpp"

    35 #include "runtime/fieldDescriptor.hpp"

    36 #include "runtime/handles.hpp"

    37 #include "runtime/interfaceSupport.hpp"

    38 #include "runtime/jfieldIDWorkaround.hpp"

    39 #include "runtime/thread.inline.hpp"

    40 #ifdef TARGET_ARCH_x86

    41 # include "jniTypes_x86.hpp"

    42 #endif

    43 #ifdef TARGET_ARCH_sparc

    44 # include "jniTypes_sparc.hpp"

    45 #endif

    46 #ifdef TARGET_ARCH_zero

    47 # include "jniTypes_zero.hpp"

    48 #endif

    49 #ifdef TARGET_ARCH_arm

    50 # include "jniTypes_arm.hpp"

    51 #endif

    52 #ifdef TARGET_ARCH_ppc

    53 # include "jniTypes_ppc.hpp"

    54 #endif

    56 // Complain every extra number of unplanned local refs

    57 #define CHECK_JNI_LOCAL_REF_CAP_WARN_THRESHOLD 32

    59 // Heap objects are allowed to be directly referenced only in VM code,

    60 // not in native code.

    62 #define ASSERT_OOPS_ALLOWED                                          \

    63     assert(JavaThread::current()->thread_state() == _thread_in_vm,   \

    64            "jniCheck examining oops in bad state.")

    67 // Execute the given block of source code with the thread in VM state.

    68 // To do this, transition from the NATIVE state to the VM state, execute

    69 // the code, and transtition back.  The ThreadInVMfromNative constructor

    70 // performs the transition to VM state, its destructor restores the

    71 // NATIVE state.

    73 #define IN_VM(source_code)   {                                         \

    74     {                                                                  \

    75       ThreadInVMfromNative __tiv(thr);                                 \

    76       source_code                                                      \

    77     }                                                                  \

    78   }

    81 /*

    82  * DECLARATIONS

    83  */

    85 static struct JNINativeInterface_ * unchecked_jni_NativeInterface;

    88 /*

    89  * MACRO DEFINITIONS

    90  */

    92 // All JNI checked functions here use JNI_ENTRY_CHECKED() instead of the

    93 // QUICK_ENTRY or LEAF variants found in jni.cpp.  This allows handles

    94 // to be created if a fatal error should occur.

    96 // Check for thread not attached to VM;  need to catch this before

    97 // assertions in the wrapper routines might fire

    99 // Check for env being the one value appropriate for this thread.

   101 #define JNI_ENTRY_CHECKED(result_type, header)                           \

   102 extern "C" {                                                             \

   103   result_type JNICALL header {                                           \

   104     JavaThread* thr = (JavaThread*)ThreadLocalStorage::get_thread_slow();\

   105     if (thr == NULL || !thr->is_Java_thread()) {                         \

   106       tty->print_cr("%s", fatal_using_jnienv_in_nonjava);                      \

   107       os::abort(true);                                                   \

   108     }                                                                    \

   109     JNIEnv* xenv = thr->jni_environment();                               \

   110     if (env != xenv) {                                                   \

   111       NativeReportJNIFatalError(thr, warn_wrong_jnienv);                 \

   112     }                                                                    \

   113     VM_ENTRY_BASE(result_type, header, thr)

   116 #define UNCHECKED() (unchecked_jni_NativeInterface)

   118 static const char * warn_wrong_jnienv = "Using JNIEnv in the wrong thread";

   119 static const char * warn_bad_class_descriptor = "JNI FindClass received a bad class descriptor \"%s\".  A correct class descriptor " \

   120   "has no leading \"L\" or trailing \";\".  Incorrect descriptors will not be accepted in future releases.";

   121 static const char * fatal_using_jnienv_in_nonjava = "FATAL ERROR in native method: Using JNIEnv in non-Java thread";

   122 static const char * warn_other_function_in_critical = "Warning: Calling other JNI functions in the scope of " \

   123   "Get/ReleasePrimitiveArrayCritical or Get/ReleaseStringCritical";

   124 static const char * fatal_bad_ref_to_jni = "Bad global or local ref passed to JNI";

   125 static const char * fatal_received_null_class = "JNI received a null class";

   126 static const char * fatal_class_not_a_class = "JNI received a class argument that is not a class";

   127 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";

   128 static const char * fatal_wrong_class_or_method = "Wrong object class or methodID passed to JNI call";

   129 static const char * fatal_non_weak_method = "non-weak methodID passed to JNI call";

   130 static const char * fatal_unknown_array_object = "Unknown array object passed to JNI array operations";

   131 static const char * fatal_object_array_expected = "Object array expected but not received for JNI array operation";

   132 static const char * fatal_prim_type_array_expected = "Primitive type array expected but not received for JNI array operation";

   133 static const char * fatal_non_array  = "Non-array passed to JNI array operations";

   134 static const char * fatal_element_type_mismatch = "Array element type mismatch in JNI";

   135 static const char * fatal_should_be_static = "Non-static field ID passed to JNI";

   136 static const char * fatal_wrong_static_field = "Wrong static field ID passed to JNI";

   137 static const char * fatal_static_field_not_found = "Static field not found in JNI get/set field operations";

   138 static const char * fatal_static_field_mismatch = "Field type (static) mismatch in JNI get/set field operations";

   139 static const char * fatal_should_be_nonstatic = "Static field ID passed to JNI";

   140 static const char * fatal_null_object = "Null object passed to JNI";

   141 static const char * fatal_wrong_field = "Wrong field ID passed to JNI";

   142 static const char * fatal_instance_field_not_found = "Instance field not found in JNI get/set field operations";

   143 static const char * fatal_instance_field_mismatch = "Field type (instance) mismatch in JNI get/set field operations";

   144 static const char * fatal_non_string = "JNI string operation received a non-string";

   147 // When in VM state:

   148 static void ReportJNIWarning(JavaThread* thr, const char *msg) {

   149   tty->print_cr("WARNING in native method: %s", msg);

   150   thr->print_stack();

   151 }

   153 // When in NATIVE state:

   154 static void NativeReportJNIFatalError(JavaThread* thr, const char *msg) {

   155   IN_VM(

   156     ReportJNIFatalError(thr, msg);

   157   )

   158 }

   160 static void NativeReportJNIWarning(JavaThread* thr, const char *msg) {

   161   IN_VM(

   162     ReportJNIWarning(thr, msg);

   163   )

   164 }

   169 /*

   170  * SUPPORT FUNCTIONS

   171  */

   173 /**

   174  * Check whether or not a programmer has actually checked for exceptions. According

   175  * to the JNI Specification ("jni/spec/design.html#java_exceptions"):

   176  *

   177  * There are two cases where the programmer needs to check for exceptions without

   178  * being able to first check an error code:

   179  *

   180  * - The JNI functions that invoke a Java method return the result of the Java method.

   181  * The programmer must call ExceptionOccurred() to check for possible exceptions

   182  * that occurred during the execution of the Java method.

   183  *

   184  * - Some of the JNI array access functions do not return an error code, but may

   185  * throw an ArrayIndexOutOfBoundsException or ArrayStoreException.

   186  *

   187  * In all other cases, a non-error return value guarantees that no exceptions have been thrown.

   188  *

   189  * Programmers often defend against ArrayIndexOutOfBoundsException, so warning

   190  * for these functions would be pedantic.

   191  */

   192 static inline void

   193 check_pending_exception(JavaThread* thr) {

   194   if (thr->has_pending_exception()) {

   195     NativeReportJNIWarning(thr, "JNI call made with exception pending");

   196   }

   197   if (thr->is_pending_jni_exception_check()) {

   198     IN_VM(

   199       tty->print_cr("WARNING in native method: JNI call made without checking exceptions when required to from %s",

   200         thr->get_pending_jni_exception_check());

   201       thr->print_stack();

   202     )

   203     thr->clear_pending_jni_exception_check(); // Just complain once

   204   }

   205 }

   207 /**

   208  * Add to the planned number of handles. I.e. plus current live & warning threshold

   209  */

   210 static inline void

   211 add_planned_handle_capacity(JNIHandleBlock* handles, size_t capacity) {

   212   handles->set_planned_capacity(capacity +

   213                                 handles->get_number_of_live_handles() +

   214                                 CHECK_JNI_LOCAL_REF_CAP_WARN_THRESHOLD);

   215 }

   218 static inline void

   219 functionEnterCritical(JavaThread* thr)

   220 {

   221   check_pending_exception(thr);

   222 }

   224 static inline void

   225 functionEnterCriticalExceptionAllowed(JavaThread* thr)

   226 {

   227 }

   229 static inline void

   230 functionEnter(JavaThread* thr)

   231 {

   232   if (thr->in_critical()) {

   233     tty->print_cr("%s", warn_other_function_in_critical);

   234   }

   235   check_pending_exception(thr);

   236 }

   238 static inline void

   239 functionEnterExceptionAllowed(JavaThread* thr)

   240 {

   241   if (thr->in_critical()) {

   242     tty->print_cr("%s", warn_other_function_in_critical);

   243   }

   244 }

   246 static inline void

   247 functionExit(JavaThread* thr)

   248 {

   249   JNIHandleBlock* handles = thr->active_handles();

   250   size_t planned_capacity = handles->get_planned_capacity();

   251   size_t live_handles = handles->get_number_of_live_handles();

   252   if (live_handles > planned_capacity) {

   253     IN_VM(

   254       tty->print_cr("WARNING: JNI local refs: %zu, exceeds capacity: %zu",

   255           live_handles, planned_capacity);

   256       thr->print_stack();

   257     )

   258     // Complain just the once, reset to current + warn threshold

   259     add_planned_handle_capacity(handles, 0);

   260   }

   261 }

   263 static inline void

   264 checkStaticFieldID(JavaThread* thr, jfieldID fid, jclass cls, int ftype)

   265 {

   266   fieldDescriptor fd;

   268   /* make sure it is a static field */

   269   if (!jfieldIDWorkaround::is_static_jfieldID(fid))

   270     ReportJNIFatalError(thr, fatal_should_be_static);

   272   /* validate the class being passed */

   273   ASSERT_OOPS_ALLOWED;

   274   Klass* k_oop = jniCheck::validate_class(thr, cls, false);

   276   /* check for proper subclass hierarchy */

   277   JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fid);

   278   Klass* f_oop = id->holder();

   279   if (!InstanceKlass::cast(k_oop)->is_subtype_of(f_oop))

   280     ReportJNIFatalError(thr, fatal_wrong_static_field);

   282   /* check for proper field type */

   283   if (!id->find_local_field(&fd))

   284     ReportJNIFatalError(thr, fatal_static_field_not_found);

   285   if ((fd.field_type() != ftype) &&

   286       !(fd.field_type() == T_ARRAY && ftype == T_OBJECT)) {

   287     ReportJNIFatalError(thr, fatal_static_field_mismatch);

   288   }

   289 }

   291 static inline void

   292 checkInstanceFieldID(JavaThread* thr, jfieldID fid, jobject obj, int ftype)

   293 {

   294   fieldDescriptor fd;

   296   /* make sure it is an instance field */

   297   if (jfieldIDWorkaround::is_static_jfieldID(fid))

   298     ReportJNIFatalError(thr, fatal_should_be_nonstatic);

   300   /* validate the object being passed and then get its class */

   301   ASSERT_OOPS_ALLOWED;

   302   oop oopObj = jniCheck::validate_object(thr, obj);

   303   if (!oopObj) {

   304     ReportJNIFatalError(thr, fatal_null_object);

   305   }

   306   Klass* k_oop = oopObj->klass();

   308   if (!jfieldIDWorkaround::is_valid_jfieldID(k_oop, fid)) {

   309     ReportJNIFatalError(thr, fatal_wrong_field);

   310   }

   312   /* make sure the field exists */

   313   int offset = jfieldIDWorkaround::from_instance_jfieldID(k_oop, fid);

   314   if (!InstanceKlass::cast(k_oop)->contains_field_offset(offset))

   315     ReportJNIFatalError(thr, fatal_wrong_field);

   317   /* check for proper field type */

   318   if (!InstanceKlass::cast(k_oop)->find_field_from_offset(offset,

   319                                                               false, &fd))

   320     ReportJNIFatalError(thr, fatal_instance_field_not_found);

   322   if ((fd.field_type() != ftype) &&

   323       !(fd.field_type() == T_ARRAY && ftype == T_OBJECT)) {

   324     ReportJNIFatalError(thr, fatal_instance_field_mismatch);

   325   }

   326 }

   328 static inline void

   329 checkString(JavaThread* thr, jstring js)

   330 {

   331   ASSERT_OOPS_ALLOWED;

   332   oop s = jniCheck::validate_object(thr, js);

   333   if (!s || !java_lang_String::is_instance(s))

   334     ReportJNIFatalError(thr, fatal_non_string);

   335 }

   337 static inline arrayOop

   338 check_is_array(JavaThread* thr, jarray jArray)

   339 {

   340   ASSERT_OOPS_ALLOWED;

   341   arrayOop aOop;

   343   aOop = (arrayOop)jniCheck::validate_object(thr, jArray);

   344   if (aOop == NULL || !aOop->is_array()) {

   345     ReportJNIFatalError(thr, fatal_non_array);

   346   }

   347   return aOop;

   348 }

   350 static inline arrayOop

   351 check_is_primitive_array(JavaThread* thr, jarray jArray) {

   352   arrayOop aOop = check_is_array(thr, jArray);

   354   if (!aOop->is_typeArray()) {

   355      ReportJNIFatalError(thr, fatal_prim_type_array_expected);

   356   }

   357   return aOop;

   358 }

   360 static inline void

   361 check_primitive_array_type(JavaThread* thr, jarray jArray, BasicType elementType)

   362 {

   363   BasicType array_type;

   364   arrayOop aOop;

   366   aOop = check_is_primitive_array(thr, jArray);

   367   array_type = TypeArrayKlass::cast(aOop->klass())->element_type();

   368   if (array_type != elementType) {

   369     ReportJNIFatalError(thr, fatal_element_type_mismatch);

   370   }

   371 }

   373 static inline void

   374 check_is_obj_array(JavaThread* thr, jarray jArray) {

   375   arrayOop aOop = check_is_array(thr, jArray);

   376   if (!aOop->is_objArray()) {

   377     ReportJNIFatalError(thr, fatal_object_array_expected);

   378   }

   379 }

   381 /*

   382  * Copy and wrap array elements for bounds checking.

   383  * Remember the original elements (GuardedMemory::get_tag())

   384  */

   385 static void* check_jni_wrap_copy_array(JavaThread* thr, jarray array,

   386     void* orig_elements) {

   387   void* result;

   388   IN_VM(

   389     oop a = JNIHandles::resolve_non_null(array);

   390     size_t len = arrayOop(a)->length() <<

   391         TypeArrayKlass::cast(a->klass())->log2_element_size();

   392     result = GuardedMemory::wrap_copy(orig_elements, len, orig_elements);

   393   )

   394   return result;

   395 }

   397 static void* check_wrapped_array(JavaThread* thr, const char* fn_name,

   398     void* obj, void* carray, size_t* rsz) {

   399   if (carray == NULL) {

   400     tty->print_cr("%s: elements vector NULL" PTR_FORMAT, fn_name, p2i(obj));

   401     NativeReportJNIFatalError(thr, "Elements vector NULL");

   402   }

   403   GuardedMemory guarded(carray);

   404   void* orig_result = guarded.get_tag();

   405   if (!guarded.verify_guards()) {

   406     tty->print_cr("ReleasePrimitiveArrayCritical: release array failed bounds "

   407         "check, incorrect pointer returned ? array: " PTR_FORMAT " carray: "

   408         PTR_FORMAT, p2i(obj), p2i(carray));

   409     guarded.print_on(tty);

   410     NativeReportJNIFatalError(thr, "ReleasePrimitiveArrayCritical: "

   411         "failed bounds check");

   412   }

   413   if (orig_result == NULL) {

   414     tty->print_cr("ReleasePrimitiveArrayCritical: unrecognized elements. array: "

   415         PTR_FORMAT " carray: " PTR_FORMAT, p2i(obj), p2i(carray));

   416     guarded.print_on(tty);

   417     NativeReportJNIFatalError(thr, "ReleasePrimitiveArrayCritical: "

   418         "unrecognized elements");

   419   }

   420   if (rsz != NULL) {

   421     *rsz = guarded.get_user_size();

   422   }

   423   return orig_result;

   424 }

   426 static void* check_wrapped_array_release(JavaThread* thr, const char* fn_name,

   427     void* obj, void* carray, jint mode) {

   428   size_t sz;

   429   void* orig_result = check_wrapped_array(thr, fn_name, obj, carray, &sz);

   430   switch (mode) {

   431   case 0:

   432     memcpy(orig_result, carray, sz);

   433     GuardedMemory::free_copy(carray);

   434     break;

   435   case JNI_COMMIT:

   436     memcpy(orig_result, carray, sz);

   437     break;

   438   case JNI_ABORT:

   439     GuardedMemory::free_copy(carray);

   440     break;

   441   default:

   442     tty->print_cr("%s: Unrecognized mode %i releasing array "

   443         PTR_FORMAT " elements " PTR_FORMAT, fn_name, mode, p2i(obj), p2i(carray));

   444     NativeReportJNIFatalError(thr, "Unrecognized array release mode");

   445   }

   446   return orig_result;

   447 }

   449 oop jniCheck::validate_handle(JavaThread* thr, jobject obj) {

   450   if (JNIHandles::is_frame_handle(thr, obj) ||

   451       JNIHandles::is_local_handle(thr, obj) ||

   452       JNIHandles::is_global_handle(obj) ||

   453       JNIHandles::is_weak_global_handle(obj)) {

   454     ASSERT_OOPS_ALLOWED;

   455     return JNIHandles::resolve_external_guard(obj);

   456   }

   457   ReportJNIFatalError(thr, fatal_bad_ref_to_jni);

   458   return NULL;

   459 }

   462 Method* jniCheck::validate_jmethod_id(JavaThread* thr, jmethodID method_id) {

   463   ASSERT_OOPS_ALLOWED;

   464   // do the fast jmethodID check first

   465   Method* moop = Method::checked_resolve_jmethod_id(method_id);

   466   if (moop == NULL) {

   467     ReportJNIFatalError(thr, fatal_wrong_class_or_method);

   468   }

   469   // jmethodIDs are supposed to be weak handles in the class loader data,

   470   // but that can be expensive so check it last

   471   else if (!Method::is_method_id(method_id)) {

   472     ReportJNIFatalError(thr, fatal_non_weak_method);

   473   }

   474   return moop;

   475 }

   478 oop jniCheck::validate_object(JavaThread* thr, jobject obj) {

   479     if (!obj)

   480         return NULL;

   481     ASSERT_OOPS_ALLOWED;

   482     oop oopObj = jniCheck::validate_handle(thr, obj);

   483     if (!oopObj) {

   484       ReportJNIFatalError(thr, fatal_bad_ref_to_jni);

   485     }

   486     return oopObj;

   487 }

   489 // Warn if a class descriptor is in decorated form; class descriptors

   490 // passed to JNI findClass should not be decorated unless they are

   491 // array descriptors.

   492 void jniCheck::validate_class_descriptor(JavaThread* thr, const char* name) {

   493   if (name == NULL) return;  // implementation accepts NULL so just return

   495   size_t len = strlen(name);

   497   if (len >= 2 &&

   498       name[0] == JVM_SIGNATURE_CLASS &&            // 'L'

   499       name[len-1] == JVM_SIGNATURE_ENDCLASS ) {    // ';'

   500     char msg[JVM_MAXPATHLEN];

   501     jio_snprintf(msg, JVM_MAXPATHLEN, warn_bad_class_descriptor, name);

   502     ReportJNIWarning(thr, msg);

   503   }

   504 }

   506 Klass* jniCheck::validate_class(JavaThread* thr, jclass clazz, bool allow_primitive) {

   507   ASSERT_OOPS_ALLOWED;

   508   oop mirror = jniCheck::validate_handle(thr, clazz);

   509   if (!mirror) {

   510     ReportJNIFatalError(thr, fatal_received_null_class);

   511   }

   513   if (mirror->klass() != SystemDictionary::Class_klass()) {

   514     ReportJNIFatalError(thr, fatal_class_not_a_class);

   515   }

   517   Klass* k = java_lang_Class::as_Klass(mirror);

   518   // Make allowances for primitive classes ...

   519   if (!(k != NULL || allow_primitive && java_lang_Class::is_primitive(mirror))) {

   520     ReportJNIFatalError(thr, fatal_class_not_a_class);

   521   }

   522   return k;

   523 }

   525 void jniCheck::validate_throwable_klass(JavaThread* thr, Klass* klass) {

   526   ASSERT_OOPS_ALLOWED;

   527   assert(klass != NULL, "klass argument must have a value");

   529   if (!klass->oop_is_instance() ||

   530       !InstanceKlass::cast(klass)->is_subclass_of(SystemDictionary::Throwable_klass())) {

   531     ReportJNIFatalError(thr, fatal_class_not_a_throwable_class);

   532   }

   533 }

   535 void jniCheck::validate_call_object(JavaThread* thr, jobject obj, jmethodID method_id) {

   536   /* validate the object being passed */

   537   ASSERT_OOPS_ALLOWED;

   538   jniCheck::validate_jmethod_id(thr, method_id);

   539   jniCheck::validate_object(thr, obj);

   540 }

   542 void jniCheck::validate_call_class(JavaThread* thr, jclass clazz, jmethodID method_id) {

   543   /* validate the class being passed */

   544   ASSERT_OOPS_ALLOWED;

   545   jniCheck::validate_jmethod_id(thr, method_id);

   546   jniCheck::validate_class(thr, clazz, false);

   547 }

   550 /*

   551  * IMPLEMENTATION OF FUNCTIONS IN CHECKED TABLE

   552  */

   554 JNI_ENTRY_CHECKED(jclass,

   555   checked_jni_DefineClass(JNIEnv *env,

   556                           const char *name,

   557                           jobject loader,

   558                           const jbyte *buf,

   559                           jsize len))

   560     functionEnter(thr);

   561     IN_VM(

   562       jniCheck::validate_object(thr, loader);

   563     )

   564     jclass result = UNCHECKED()->DefineClass(env, name, loader, buf, len);

   565     functionExit(thr);

   566     return result;

   567 JNI_END

   569 JNI_ENTRY_CHECKED(jclass,

   570   checked_jni_FindClass(JNIEnv *env,

   571                         const char *name))

   572     functionEnter(thr);

   573     IN_VM(

   574       jniCheck::validate_class_descriptor(thr, name);

   575     )

   576     jclass result = UNCHECKED()->FindClass(env, name);

   577     functionExit(thr);

   578     return result;

   579 JNI_END

   581 JNI_ENTRY_CHECKED(jmethodID,

   582   checked_jni_FromReflectedMethod(JNIEnv *env,

   583                                   jobject method))

   584     functionEnter(thr);

   585     IN_VM(

   586       jniCheck::validate_object(thr, method);

   587     )

   588     jmethodID result = UNCHECKED()->FromReflectedMethod(env, method);

   589     functionExit(thr);

   590     return result;

   591 JNI_END

   593 JNI_ENTRY_CHECKED(jfieldID,

   594   checked_jni_FromReflectedField(JNIEnv *env,

   595                                  jobject field))

   596     functionEnter(thr);

   597     IN_VM(

   598       jniCheck::validate_object(thr, field);

   599     )

   600     jfieldID result = UNCHECKED()->FromReflectedField(env, field);

   601     functionExit(thr);

   602     return result;

   603 JNI_END

   605 JNI_ENTRY_CHECKED(jobject,

   606   checked_jni_ToReflectedMethod(JNIEnv *env,

   607                                 jclass cls,

   608                                 jmethodID methodID,

   609                                 jboolean isStatic))

   610     functionEnter(thr);

   611     IN_VM(

   612       jniCheck::validate_class(thr, cls, false);

   613       jniCheck::validate_jmethod_id(thr, methodID);

   614     )

   615     jobject result = UNCHECKED()->ToReflectedMethod(env, cls, methodID,

   616                                                     isStatic);

   617     functionExit(thr);

   618     return result;

   619 JNI_END

   621 JNI_ENTRY_CHECKED(jclass,

   622   checked_jni_GetSuperclass(JNIEnv *env,

   623                             jclass sub))

   624     functionEnter(thr);

   625     IN_VM(

   626       jniCheck::validate_class(thr, sub, true);

   627     )

   628     jclass result = UNCHECKED()->GetSuperclass(env, sub);

   629     functionExit(thr);

   630     return result;

   631 JNI_END

   633 JNI_ENTRY_CHECKED(jboolean,

   634   checked_jni_IsAssignableFrom(JNIEnv *env,

   635                                jclass sub,

   636                                jclass sup))

   637     functionEnter(thr);

   638     IN_VM(

   639       jniCheck::validate_class(thr, sub, true);

   640       jniCheck::validate_class(thr, sup, true);

   641     )

   642     jboolean result = UNCHECKED()->IsAssignableFrom(env, sub, sup);

   643     functionExit(thr);

   644     return result;

   645 JNI_END

   647 JNI_ENTRY_CHECKED(jobject,

   648   checked_jni_ToReflectedField(JNIEnv *env,

   649                                jclass cls,

   650                                jfieldID fieldID,

   651                                jboolean isStatic))

   652     functionEnter(thr);

   653     IN_VM(

   654       jniCheck::validate_class(thr, cls, false);

   655     )

   656     jobject result = UNCHECKED()->ToReflectedField(env, cls, fieldID,

   657                                                    isStatic);

   658     functionExit(thr);

   659     return result;

   660 JNI_END

   662 JNI_ENTRY_CHECKED(jint,

   663   checked_jni_Throw(JNIEnv *env,

   664                     jthrowable obj))

   665     functionEnter(thr);

   666     IN_VM(

   667       oop oopObj = jniCheck::validate_object(thr, obj);

   668       if (oopObj == NULL) {

   669         // Unchecked Throw tolerates a NULL obj, so just warn

   670         ReportJNIWarning(thr, "JNI Throw called with NULL throwable");

   671       } else {

   672         jniCheck::validate_throwable_klass(thr, oopObj->klass());

   673       }

   674     )

   675     jint result = UNCHECKED()->Throw(env, obj);

   676     functionExit(thr);

   677     return result;

   678 JNI_END

   680 JNI_ENTRY_CHECKED(jint,

   681   checked_jni_ThrowNew(JNIEnv *env,

   682                        jclass clazz,

   683                        const char *msg))

   684     functionEnter(thr);

   685     IN_VM(

   686       Klass* k = jniCheck::validate_class(thr, clazz, false);

   687       assert(k != NULL, "validate_class shouldn't return NULL Klass*");

   688       jniCheck::validate_throwable_klass(thr, k);

   689     )

   690     jint result = UNCHECKED()->ThrowNew(env, clazz, msg);

   691     functionExit(thr);

   692     return result;

   693 JNI_END

   695 JNI_ENTRY_CHECKED(jthrowable,

   696   checked_jni_ExceptionOccurred(JNIEnv *env))

   697     thr->clear_pending_jni_exception_check();

   698     functionEnterExceptionAllowed(thr);

   699     jthrowable result = UNCHECKED()->ExceptionOccurred(env);

   700     functionExit(thr);

   701     return result;

   702 JNI_END

   704 JNI_ENTRY_CHECKED(void,

   705   checked_jni_ExceptionDescribe(JNIEnv *env))

   706     functionEnterExceptionAllowed(thr);

   707     UNCHECKED()->ExceptionDescribe(env);

   708     functionExit(thr);

   709 JNI_END

   711 JNI_ENTRY_CHECKED(void,

   712   checked_jni_ExceptionClear(JNIEnv *env))

   713     thr->clear_pending_jni_exception_check();

   714     functionEnterExceptionAllowed(thr);

   715     UNCHECKED()->ExceptionClear(env);

   716     functionExit(thr);

   717 JNI_END

   719 JNI_ENTRY_CHECKED(void,

   720   checked_jni_FatalError(JNIEnv *env,

   721                          const char *msg))

   722     thr->clear_pending_jni_exception_check();

   723     functionEnter(thr);

   724     UNCHECKED()->FatalError(env, msg);

   725     functionExit(thr);

   726 JNI_END

   728 JNI_ENTRY_CHECKED(jint,

   729   checked_jni_PushLocalFrame(JNIEnv *env,

   730                              jint capacity))

   731     functionEnterExceptionAllowed(thr);

   732     if (capacity < 0)

   733       NativeReportJNIFatalError(thr, "negative capacity");

   734     jint result = UNCHECKED()->PushLocalFrame(env, capacity);

   735     if (result == JNI_OK) {

   736       add_planned_handle_capacity(thr->active_handles(), capacity);

   737     }

   738     functionExit(thr);

   739     return result;

   740 JNI_END

   742 JNI_ENTRY_CHECKED(jobject,

   743   checked_jni_PopLocalFrame(JNIEnv *env,

   744                             jobject result))

   745     functionEnterExceptionAllowed(thr);

   746     jobject res = UNCHECKED()->PopLocalFrame(env, result);

   747     functionExit(thr);

   748     return res;

   749 JNI_END

   751 JNI_ENTRY_CHECKED(jobject,

   752   checked_jni_NewGlobalRef(JNIEnv *env,

   753                            jobject lobj))

   754     functionEnter(thr);

   755     IN_VM(

   756       if (lobj != NULL) {

   757         jniCheck::validate_handle(thr, lobj);

   758       }

   759     )

   760     jobject result = UNCHECKED()->NewGlobalRef(env,lobj);

   761     functionExit(thr);

   762     return result;

   763 JNI_END

   765 JNI_ENTRY_CHECKED(void,

   766   checked_jni_DeleteGlobalRef(JNIEnv *env,

   767                               jobject gref))

   768     functionEnterExceptionAllowed(thr);

   769     IN_VM(

   770       jniCheck::validate_object(thr, gref);

   771       if (gref && !JNIHandles::is_global_handle(gref)) {

   772         ReportJNIFatalError(thr,

   773             "Invalid global JNI handle passed to DeleteGlobalRef");

   774       }

   775     )

   776     UNCHECKED()->DeleteGlobalRef(env,gref);

   777     functionExit(thr);

   778 JNI_END

   780 JNI_ENTRY_CHECKED(void,

   781   checked_jni_DeleteLocalRef(JNIEnv *env,

   782                              jobject obj))

   783     functionEnterExceptionAllowed(thr);

   784     IN_VM(

   785       jniCheck::validate_object(thr, obj);

   786       if (obj && !(JNIHandles::is_local_handle(thr, obj) ||

   787                    JNIHandles::is_frame_handle(thr, obj)))

   788         ReportJNIFatalError(thr,

   789             "Invalid local JNI handle passed to DeleteLocalRef");

   790     )

   791     UNCHECKED()->DeleteLocalRef(env, obj);

   792     functionExit(thr);

   793 JNI_END

   795 JNI_ENTRY_CHECKED(jboolean,

   796   checked_jni_IsSameObject(JNIEnv *env,

   797                            jobject obj1,

   798                            jobject obj2))

   799     functionEnterExceptionAllowed(thr);

   800     IN_VM(

   801       /* This JNI function can be used to compare weak global references

   802        * to NULL objects. If the handles are valid, but contain NULL,

   803        * then don't attempt to validate the object.

   804        */

   805       if (obj1 != NULL && jniCheck::validate_handle(thr, obj1) != NULL) {

   806         jniCheck::validate_object(thr, obj1);

   807       }

   808       if (obj2 != NULL && jniCheck::validate_handle(thr, obj2) != NULL) {

   809         jniCheck::validate_object(thr, obj2);

   810       }

   811     )

   812     jboolean result = UNCHECKED()->IsSameObject(env,obj1,obj2);

   813     functionExit(thr);

   814     return result;

   815 JNI_END

   817 JNI_ENTRY_CHECKED(jobject,

   818   checked_jni_NewLocalRef(JNIEnv *env,

   819                           jobject ref))

   820     functionEnter(thr);

   821     IN_VM(

   822       if (ref != NULL) {

   823         jniCheck::validate_handle(thr, ref);

   824       }

   825     )

   826     jobject result = UNCHECKED()->NewLocalRef(env, ref);

   827     functionExit(thr);

   828     return result;

   829 JNI_END

   831 JNI_ENTRY_CHECKED(jint,

   832   checked_jni_EnsureLocalCapacity(JNIEnv *env,

   833                                   jint capacity))

   834     functionEnter(thr);

   835     if (capacity < 0) {

   836       NativeReportJNIFatalError(thr, "negative capacity");

   837     }

   838     jint result = UNCHECKED()->EnsureLocalCapacity(env, capacity);

   839     if (result == JNI_OK) {

   840       add_planned_handle_capacity(thr->active_handles(), capacity);

   841     }

   842     functionExit(thr);

   843     return result;

   844 JNI_END

   846 JNI_ENTRY_CHECKED(jobject,

   847   checked_jni_AllocObject(JNIEnv *env,

   848                           jclass clazz))

   849     functionEnter(thr);

   850     IN_VM(

   851       jniCheck::validate_class(thr, clazz, false);

   852     )

   853     jobject result = UNCHECKED()->AllocObject(env,clazz);

   854     functionExit(thr);

   855     return result;

   856 JNI_END

   858 JNI_ENTRY_CHECKED(jobject,

   859   checked_jni_NewObject(JNIEnv *env,

   860                         jclass clazz,

   861                         jmethodID methodID,

   862                         ...))

   863     functionEnter(thr);

   864     va_list args;

   865     IN_VM(

   866       jniCheck::validate_class(thr, clazz, false);

   867       jniCheck::validate_jmethod_id(thr, methodID);

   868     )

   869     va_start(args, methodID);

   870     jobject result = UNCHECKED()->NewObjectV(env,clazz,methodID,args);

   871     va_end(args);

   872     functionExit(thr);

   873     return result;

   874 JNI_END

   876 JNI_ENTRY_CHECKED(jobject,

   877   checked_jni_NewObjectV(JNIEnv *env,

   878                          jclass clazz,

   879                          jmethodID methodID,

   880                          va_list args))

   881     functionEnter(thr);

   882     IN_VM(

   883       jniCheck::validate_class(thr, clazz, false);

   884       jniCheck::validate_jmethod_id(thr, methodID);

   885     )

   886     jobject result = UNCHECKED()->NewObjectV(env,clazz,methodID,args);

   887     functionExit(thr);

   888     return result;

   889 JNI_END

   891 JNI_ENTRY_CHECKED(jobject,

   892   checked_jni_NewObjectA(JNIEnv *env,

   893                          jclass clazz,

   894                          jmethodID methodID,

   895                          const jvalue *args))

   896     functionEnter(thr);

   897     IN_VM(

   898       jniCheck::validate_class(thr, clazz, false);

   899       jniCheck::validate_jmethod_id(thr, methodID);

   900     )

   901     jobject result = UNCHECKED()->NewObjectA(env,clazz,methodID,args);

   902     functionExit(thr);

   903     return result;

   904 JNI_END

   906 JNI_ENTRY_CHECKED(jclass,

   907   checked_jni_GetObjectClass(JNIEnv *env,

   908                              jobject obj))

   909     functionEnter(thr);

   910     IN_VM(

   911       jniCheck::validate_object(thr, obj);

   912     )

   913     jclass result = UNCHECKED()->GetObjectClass(env,obj);

   914     functionExit(thr);

   915     return result;

   916 JNI_END

   918 JNI_ENTRY_CHECKED(jboolean,

   919   checked_jni_IsInstanceOf(JNIEnv *env,

   920                            jobject obj,

   921                            jclass clazz))

   922     functionEnter(thr);

   923     IN_VM(

   924       jniCheck::validate_object(thr, obj);

   925       jniCheck::validate_class(thr, clazz, true);

   926     )

   927     jboolean result = UNCHECKED()->IsInstanceOf(env,obj,clazz);

   928     functionExit(thr);

   929     return result;

   930 JNI_END

   932 JNI_ENTRY_CHECKED(jmethodID,

   933   checked_jni_GetMethodID(JNIEnv *env,

   934                           jclass clazz,

   935                           const char *name,

   936                           const char *sig))

   937     functionEnter(thr);

   938     IN_VM(

   939       jniCheck::validate_class(thr, clazz, false);

   940     )

   941     jmethodID result = UNCHECKED()->GetMethodID(env,clazz,name,sig);

   942     functionExit(thr);

   943     return result;

   944 JNI_END

   946 #define WRAPPER_CallMethod(ResultType, Result) \

   947 JNI_ENTRY_CHECKED(ResultType,  \

   948   checked_jni_Call##Result##Method(JNIEnv *env, \

   949                                    jobject obj, \

   950                                    jmethodID methodID, \

   951                                    ...)) \

   952     functionEnter(thr); \

   953     va_list args; \

   954     IN_VM( \

   955       jniCheck::validate_call_object(thr, obj, methodID); \

   956     ) \

   957     va_start(args,methodID); \

   958     ResultType result =UNCHECKED()->Call##Result##MethodV(env, obj, methodID, \

   959                                                           args); \

   960     va_end(args); \

   961     thr->set_pending_jni_exception_check("Call"#Result"Method"); \

   962     functionExit(thr); \

   963     return result; \

   964 JNI_END \

   965 \

   966 JNI_ENTRY_CHECKED(ResultType,  \

   967   checked_jni_Call##Result##MethodV(JNIEnv *env, \

   968                                     jobject obj, \

   969                                     jmethodID methodID, \

   970                                     va_list args)) \

   971     functionEnter(thr); \

   972     IN_VM(\

   973       jniCheck::validate_call_object(thr, obj, methodID); \

   974     ) \

   975     ResultType result = UNCHECKED()->Call##Result##MethodV(env, obj, methodID,\

   976                                                            args); \

   977     thr->set_pending_jni_exception_check("Call"#Result"MethodV"); \

   978     functionExit(thr); \

   979     return result; \

   980 JNI_END \

   981 \

   982 JNI_ENTRY_CHECKED(ResultType,  \

   983   checked_jni_Call##Result##MethodA(JNIEnv *env, \

   984                                     jobject obj, \

   985                                     jmethodID methodID, \

   986                                     const jvalue * args)) \

   987     functionEnter(thr); \

   988     IN_VM( \

   989       jniCheck::validate_call_object(thr, obj, methodID); \

   990     ) \

   991     ResultType result = UNCHECKED()->Call##Result##MethodA(env, obj, methodID,\

   992                                                            args); \

   993     thr->set_pending_jni_exception_check("Call"#Result"MethodA"); \

   994     functionExit(thr); \

   995     return result; \

   996 JNI_END

   998 WRAPPER_CallMethod(jobject,Object)

   999 WRAPPER_CallMethod(jboolean,Boolean)

  1000 WRAPPER_CallMethod(jbyte,Byte)

  1001 WRAPPER_CallMethod(jshort,Short)

  1002 WRAPPER_CallMethod(jchar,Char)

  1003 WRAPPER_CallMethod(jint,Int)

  1004 WRAPPER_CallMethod(jlong,Long)

  1005 WRAPPER_CallMethod(jfloat,Float)

  1006 WRAPPER_CallMethod(jdouble,Double)

  1008 JNI_ENTRY_CHECKED(void,

  1009   checked_jni_CallVoidMethod(JNIEnv *env, \

  1010                              jobject obj, \

  1011                              jmethodID methodID, \

  1012                              ...))

  1013     functionEnter(thr);

  1014     va_list args;

  1015     IN_VM(

  1016       jniCheck::validate_call_object(thr, obj, methodID);

  1017     )

  1018     va_start(args,methodID);

  1019     UNCHECKED()->CallVoidMethodV(env,obj,methodID,args);

  1020     va_end(args);

  1021     thr->set_pending_jni_exception_check("CallVoidMethod");

  1022     functionExit(thr);

  1023 JNI_END

  1025 JNI_ENTRY_CHECKED(void,

  1026   checked_jni_CallVoidMethodV(JNIEnv *env,

  1027                               jobject obj,

  1028                               jmethodID methodID,

  1029                               va_list args))

  1030     functionEnter(thr);

  1031     IN_VM(

  1032       jniCheck::validate_call_object(thr, obj, methodID);

  1033     )

  1034     UNCHECKED()->CallVoidMethodV(env,obj,methodID,args);

  1035     thr->set_pending_jni_exception_check("CallVoidMethodV");

  1036     functionExit(thr);

  1037 JNI_END

  1039 JNI_ENTRY_CHECKED(void,

  1040   checked_jni_CallVoidMethodA(JNIEnv *env,

  1041                               jobject obj,

  1042                               jmethodID methodID,

  1043                               const jvalue * args))

  1044     functionEnter(thr);

  1045     IN_VM(

  1046       jniCheck::validate_call_object(thr, obj, methodID);

  1047     )

  1048     UNCHECKED()->CallVoidMethodA(env,obj,methodID,args);

  1049     thr->set_pending_jni_exception_check("CallVoidMethodA");

  1050     functionExit(thr);

  1051 JNI_END

  1053 #define WRAPPER_CallNonvirtualMethod(ResultType, Result) \

  1054 JNI_ENTRY_CHECKED(ResultType,  \

  1055   checked_jni_CallNonvirtual##Result##Method(JNIEnv *env, \

  1056                                              jobject obj, \

  1057                                              jclass clazz, \

  1058                                              jmethodID methodID, \

  1059                                              ...)) \

  1060     functionEnter(thr); \

  1061     va_list args; \

  1062     IN_VM( \

  1063       jniCheck::validate_call_object(thr, obj, methodID); \

  1064       jniCheck::validate_call_class(thr, clazz, methodID); \

  1065     ) \

  1066     va_start(args,methodID); \

  1067     ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodV(env, \

  1068                                                                      obj, \

  1069                                                                      clazz, \

  1070                                                                      methodID,\

  1071                                                                      args); \

  1072     va_end(args); \

  1073     thr->set_pending_jni_exception_check("CallNonvirtual"#Result"Method"); \

  1074     functionExit(thr); \

  1075     return result; \

  1076 JNI_END \

  1077 \

  1078 JNI_ENTRY_CHECKED(ResultType,  \

  1079   checked_jni_CallNonvirtual##Result##MethodV(JNIEnv *env, \

  1080                                               jobject obj, \

  1081                                               jclass clazz, \

  1082                                               jmethodID methodID, \

  1083                                               va_list args)) \

  1084     functionEnter(thr); \

  1085     IN_VM( \

  1086       jniCheck::validate_call_object(thr, obj, methodID); \

  1087       jniCheck::validate_call_class(thr, clazz, methodID); \

  1088     ) \

  1089     ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodV(env, \

  1090                                                                      obj, \

  1091                                                                      clazz, \

  1092                                                                      methodID,\

  1093                                                                      args); \

  1094     thr->set_pending_jni_exception_check("CallNonvirtual"#Result"MethodV"); \

  1095     functionExit(thr); \

  1096     return result; \

  1097 JNI_END \

  1098 \

  1099 JNI_ENTRY_CHECKED(ResultType,  \

  1100   checked_jni_CallNonvirtual##Result##MethodA(JNIEnv *env, \

  1101                                               jobject obj, \

  1102                                               jclass clazz, \

  1103                                               jmethodID methodID, \

  1104                                               const jvalue * args)) \

  1105     functionEnter(thr); \

  1106     IN_VM( \

  1107       jniCheck::validate_call_object(thr, obj, methodID); \

  1108       jniCheck::validate_call_class(thr, clazz, methodID); \

  1109     ) \

  1110     ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodA(env, \

  1111                                                                      obj, \

  1112                                                                      clazz, \

  1113                                                                      methodID,\

  1114                                                                      args); \

  1115     thr->set_pending_jni_exception_check("CallNonvirtual"#Result"MethodA"); \

  1116     functionExit(thr); \

  1117     return result; \

  1118 JNI_END

  1120 WRAPPER_CallNonvirtualMethod(jobject,Object)

  1121 WRAPPER_CallNonvirtualMethod(jboolean,Boolean)

  1122 WRAPPER_CallNonvirtualMethod(jbyte,Byte)

  1123 WRAPPER_CallNonvirtualMethod(jshort,Short)

  1124 WRAPPER_CallNonvirtualMethod(jchar,Char)

  1125 WRAPPER_CallNonvirtualMethod(jint,Int)

  1126 WRAPPER_CallNonvirtualMethod(jlong,Long)

  1127 WRAPPER_CallNonvirtualMethod(jfloat,Float)

  1128 WRAPPER_CallNonvirtualMethod(jdouble,Double)

  1130 JNI_ENTRY_CHECKED(void,

  1131   checked_jni_CallNonvirtualVoidMethod(JNIEnv *env,

  1132                                        jobject obj,

  1133                                        jclass clazz,

  1134                                        jmethodID methodID,

  1135                                        ...))

  1136     functionEnter(thr);

  1137     va_list args;

  1138     IN_VM(

  1139       jniCheck::validate_call_object(thr, obj, methodID);

  1140       jniCheck::validate_call_class(thr, clazz, methodID);

  1141     )

  1142     va_start(args,methodID);

  1143     UNCHECKED()->CallNonvirtualVoidMethodV(env,obj,clazz,methodID,args);

  1144     va_end(args);

  1145     thr->set_pending_jni_exception_check("CallNonvirtualVoidMethod");

  1146     functionExit(thr);

  1147 JNI_END

  1149 JNI_ENTRY_CHECKED(void,

  1150   checked_jni_CallNonvirtualVoidMethodV(JNIEnv *env,

  1151                                         jobject obj,

  1152                                         jclass clazz,

  1153                                         jmethodID methodID,

  1154                                         va_list args))

  1155     functionEnter(thr);

  1156     IN_VM(

  1157       jniCheck::validate_call_object(thr, obj, methodID);

  1158       jniCheck::validate_call_class(thr, clazz, methodID);

  1159     )

  1160     UNCHECKED()->CallNonvirtualVoidMethodV(env,obj,clazz,methodID,args);

  1161     thr->set_pending_jni_exception_check("CallNonvirtualVoidMethodV");

  1162     functionExit(thr);

  1163 JNI_END

  1165 JNI_ENTRY_CHECKED(void,

  1166   checked_jni_CallNonvirtualVoidMethodA(JNIEnv *env,

  1167                                         jobject obj,

  1168                                         jclass clazz,

  1169                                         jmethodID methodID,

  1170                                         const jvalue * args))

  1171     functionEnter(thr);

  1172     IN_VM(

  1173       jniCheck::validate_call_object(thr, obj, methodID);

  1174       jniCheck::validate_call_class(thr, clazz, methodID);

  1175     )

  1176     UNCHECKED()->CallNonvirtualVoidMethodA(env,obj,clazz,methodID,args);

  1177     thr->set_pending_jni_exception_check("CallNonvirtualVoidMethodA");

  1178     functionExit(thr);

  1179 JNI_END

  1181 JNI_ENTRY_CHECKED(jfieldID,

  1182   checked_jni_GetFieldID(JNIEnv *env,

  1183                          jclass clazz,

  1184                          const char *name,

  1185                          const char *sig))

  1186     functionEnter(thr);

  1187     IN_VM(

  1188       jniCheck::validate_class(thr, clazz, false);

  1189     )

  1190     jfieldID result = UNCHECKED()->GetFieldID(env,clazz,name,sig);

  1191     functionExit(thr);

  1192     return result;

  1193 JNI_END

  1195 #define WRAPPER_GetField(ReturnType,Result,FieldType) \

  1196 JNI_ENTRY_CHECKED(ReturnType,  \

  1197   checked_jni_Get##Result##Field(JNIEnv *env, \

  1198                                  jobject obj, \

  1199                                  jfieldID fieldID)) \

  1200     functionEnter(thr); \

  1201     IN_VM( \

  1202       checkInstanceFieldID(thr, fieldID, obj, FieldType); \

  1203     ) \

  1204     ReturnType result = UNCHECKED()->Get##Result##Field(env,obj,fieldID); \

  1205     functionExit(thr); \

  1206     return result; \

  1207 JNI_END

  1209 WRAPPER_GetField(jobject,  Object,  T_OBJECT)

  1210 WRAPPER_GetField(jboolean, Boolean, T_BOOLEAN)

  1211 WRAPPER_GetField(jbyte,    Byte,    T_BYTE)

  1212 WRAPPER_GetField(jshort,   Short,   T_SHORT)

  1213 WRAPPER_GetField(jchar,    Char,    T_CHAR)

  1214 WRAPPER_GetField(jint,     Int,     T_INT)

  1215 WRAPPER_GetField(jlong,    Long,    T_LONG)

  1216 WRAPPER_GetField(jfloat,   Float,   T_FLOAT)

  1217 WRAPPER_GetField(jdouble,  Double,  T_DOUBLE)

  1219 #define WRAPPER_SetField(ValueType,Result,FieldType) \

  1220 JNI_ENTRY_CHECKED(void,  \

  1221   checked_jni_Set##Result##Field(JNIEnv *env, \

  1222                                  jobject obj, \

  1223                                  jfieldID fieldID, \

  1224                                  ValueType val)) \

  1225     functionEnter(thr); \

  1226     IN_VM( \

  1227       checkInstanceFieldID(thr, fieldID, obj, FieldType); \

  1228     ) \

  1229     UNCHECKED()->Set##Result##Field(env,obj,fieldID,val); \

  1230     functionExit(thr); \

  1231 JNI_END

  1233 WRAPPER_SetField(jobject,  Object,  T_OBJECT)

  1234 WRAPPER_SetField(jboolean, Boolean, T_BOOLEAN)

  1235 WRAPPER_SetField(jbyte,    Byte,    T_BYTE)

  1236 WRAPPER_SetField(jshort,   Short,   T_SHORT)

  1237 WRAPPER_SetField(jchar,    Char,    T_CHAR)

  1238 WRAPPER_SetField(jint,     Int,     T_INT)

  1239 WRAPPER_SetField(jlong,    Long,    T_LONG)

  1240 WRAPPER_SetField(jfloat,   Float,   T_FLOAT)

  1241 WRAPPER_SetField(jdouble,  Double,  T_DOUBLE)

  1244 JNI_ENTRY_CHECKED(jmethodID,

  1245   checked_jni_GetStaticMethodID(JNIEnv *env,

  1246                                 jclass clazz,

  1247                                 const char *name,

  1248                                 const char *sig))

  1249     functionEnter(thr);

  1250     IN_VM(

  1251       jniCheck::validate_class(thr, clazz, false);

  1252     )

  1253     jmethodID result = UNCHECKED()->GetStaticMethodID(env,clazz,name,sig);

  1254     functionExit(thr);

  1255     return result;

  1256 JNI_END

  1258 #define WRAPPER_CallStaticMethod(ReturnType,Result) \

  1259 JNI_ENTRY_CHECKED(ReturnType,  \

  1260   checked_jni_CallStatic##Result##Method(JNIEnv *env, \

  1261                                          jclass clazz, \

  1262                                          jmethodID methodID, \

  1263                                          ...)) \

  1264     functionEnter(thr); \

  1265     va_list args; \

  1266     IN_VM( \

  1267       jniCheck::validate_jmethod_id(thr, methodID); \

  1268       jniCheck::validate_class(thr, clazz, false); \

  1269     ) \

  1270     va_start(args,methodID); \

  1271     ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \

  1272                                                                  clazz, \

  1273                                                                  methodID, \

  1274                                                                  args); \

  1275     va_end(args); \

  1276     thr->set_pending_jni_exception_check("CallStatic"#Result"Method"); \

  1277     functionExit(thr); \

  1278     return result; \

  1279 JNI_END \

  1280 \

  1281 JNI_ENTRY_CHECKED(ReturnType,  \

  1282   checked_jni_CallStatic##Result##MethodV(JNIEnv *env, \

  1283                                           jclass clazz, \

  1284                                           jmethodID methodID,\

  1285                                           va_list args)) \

  1286     functionEnter(thr); \

  1287     IN_VM( \

  1288       jniCheck::validate_jmethod_id(thr, methodID); \

  1289       jniCheck::validate_class(thr, clazz, false); \

  1290     ) \

  1291     ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \

  1292                                                                  clazz, \

  1293                                                                  methodID, \

  1294                                                                  args); \

  1295     thr->set_pending_jni_exception_check("CallStatic"#Result"MethodV"); \

  1296     functionExit(thr); \

  1297     return result; \

  1298 JNI_END \

  1299 \

  1300 JNI_ENTRY_CHECKED(ReturnType,  \

  1301   checked_jni_CallStatic##Result##MethodA(JNIEnv *env, \

  1302                                           jclass clazz, \

  1303                                           jmethodID methodID, \

  1304                                           const jvalue *args)) \

  1305     functionEnter(thr); \

  1306     IN_VM( \

  1307       jniCheck::validate_jmethod_id(thr, methodID); \

  1308       jniCheck::validate_class(thr, clazz, false); \

  1309     ) \

  1310     ReturnType result = UNCHECKED()->CallStatic##Result##MethodA(env, \

  1311                                                                  clazz, \

  1312                                                                  methodID, \

  1313                                                                  args); \

  1314     thr->set_pending_jni_exception_check("CallStatic"#Result"MethodA"); \

  1315     functionExit(thr); \

  1316     return result; \

  1317 JNI_END

  1319 WRAPPER_CallStaticMethod(jobject,Object)

  1320 WRAPPER_CallStaticMethod(jboolean,Boolean)

  1321 WRAPPER_CallStaticMethod(jbyte,Byte)

  1322 WRAPPER_CallStaticMethod(jshort,Short)

  1323 WRAPPER_CallStaticMethod(jchar,Char)

  1324 WRAPPER_CallStaticMethod(jint,Int)

  1325 WRAPPER_CallStaticMethod(jlong,Long)

  1326 WRAPPER_CallStaticMethod(jfloat,Float)

  1327 WRAPPER_CallStaticMethod(jdouble,Double)

  1329 JNI_ENTRY_CHECKED(void,

  1330   checked_jni_CallStaticVoidMethod(JNIEnv *env,

  1331                                    jclass cls,

  1332                                    jmethodID methodID,

  1333                                    ...))

  1334     functionEnter(thr);

  1335     va_list args;

  1336     IN_VM(

  1337       jniCheck::validate_jmethod_id(thr, methodID);

  1338       jniCheck::validate_class(thr, cls, false);

  1339     )

  1340     va_start(args,methodID);

  1341     UNCHECKED()->CallStaticVoidMethodV(env,cls,methodID,args);

  1342     va_end(args);

  1343     thr->set_pending_jni_exception_check("CallStaticVoidMethod");

  1344     functionExit(thr);

  1345 JNI_END

  1347 JNI_ENTRY_CHECKED(void,

  1348   checked_jni_CallStaticVoidMethodV(JNIEnv *env,

  1349                                     jclass cls,

  1350                                     jmethodID methodID,

  1351                                     va_list args))

  1352     functionEnter(thr);

  1353     IN_VM(

  1354       jniCheck::validate_jmethod_id(thr, methodID);

  1355       jniCheck::validate_class(thr, cls, false);

  1356     )

  1357     UNCHECKED()->CallStaticVoidMethodV(env,cls,methodID,args);

  1358     thr->set_pending_jni_exception_check("CallStaticVoidMethodV");

  1359     functionExit(thr);

  1360 JNI_END

  1362 JNI_ENTRY_CHECKED(void,

  1363   checked_jni_CallStaticVoidMethodA(JNIEnv *env,

  1364                                     jclass cls,

  1365                                     jmethodID methodID,

  1366                                     const jvalue * args))

  1367     functionEnter(thr);

  1368     IN_VM(

  1369       jniCheck::validate_jmethod_id(thr, methodID);

  1370       jniCheck::validate_class(thr, cls, false);

  1371     )

  1372     UNCHECKED()->CallStaticVoidMethodA(env,cls,methodID,args);

  1373     thr->set_pending_jni_exception_check("CallStaticVoidMethodA");

  1374     functionExit(thr);

  1375 JNI_END

  1377 JNI_ENTRY_CHECKED(jfieldID,

  1378   checked_jni_GetStaticFieldID(JNIEnv *env,

  1379                                jclass clazz,

  1380                                const char *name,

  1381                                const char *sig))

  1382     functionEnter(thr);

  1383     IN_VM(

  1384       jniCheck::validate_class(thr, clazz, false);

  1385     )

  1386     jfieldID result = UNCHECKED()->GetStaticFieldID(env,clazz,name,sig);

  1387     functionExit(thr);

  1388     return result;

  1389 JNI_END

  1391 #define WRAPPER_GetStaticField(ReturnType,Result,FieldType) \

  1392 JNI_ENTRY_CHECKED(ReturnType,  \

  1393   checked_jni_GetStatic##Result##Field(JNIEnv *env, \

  1394                                        jclass clazz, \

  1395                                        jfieldID fieldID)) \

  1396     functionEnter(thr); \

  1397     IN_VM( \

  1398       jniCheck::validate_class(thr, clazz, false); \

  1399       checkStaticFieldID(thr, fieldID, clazz, FieldType); \

  1400     ) \

  1401     ReturnType result = UNCHECKED()->GetStatic##Result##Field(env, \

  1402                                                               clazz, \

  1403                                                               fieldID); \

  1404     functionExit(thr); \

  1405     return result; \

  1406 JNI_END

  1408 WRAPPER_GetStaticField(jobject,  Object,  T_OBJECT)

  1409 WRAPPER_GetStaticField(jboolean, Boolean, T_BOOLEAN)

  1410 WRAPPER_GetStaticField(jbyte,    Byte,    T_BYTE)

  1411 WRAPPER_GetStaticField(jshort,   Short,   T_SHORT)

  1412 WRAPPER_GetStaticField(jchar,    Char,    T_CHAR)

  1413 WRAPPER_GetStaticField(jint,     Int,     T_INT)

  1414 WRAPPER_GetStaticField(jlong,    Long,    T_LONG)

  1415 WRAPPER_GetStaticField(jfloat,   Float,   T_FLOAT)

  1416 WRAPPER_GetStaticField(jdouble,  Double,  T_DOUBLE)

  1418 #define WRAPPER_SetStaticField(ValueType,Result,FieldType) \

  1419 JNI_ENTRY_CHECKED(void,  \

  1420   checked_jni_SetStatic##Result##Field(JNIEnv *env, \

  1421                                        jclass clazz, \

  1422                                        jfieldID fieldID, \

  1423                                        ValueType value)) \

  1424     functionEnter(thr); \

  1425     IN_VM( \

  1426       jniCheck::validate_class(thr, clazz, false); \

  1427       checkStaticFieldID(thr, fieldID, clazz, FieldType); \

  1428     ) \

  1429     UNCHECKED()->SetStatic##Result##Field(env,clazz,fieldID,value); \

  1430     functionExit(thr); \

  1431 JNI_END

  1433 WRAPPER_SetStaticField(jobject,  Object,  T_OBJECT)

  1434 WRAPPER_SetStaticField(jboolean, Boolean, T_BOOLEAN)

  1435 WRAPPER_SetStaticField(jbyte,    Byte,    T_BYTE)

  1436 WRAPPER_SetStaticField(jshort,   Short,   T_SHORT)

  1437 WRAPPER_SetStaticField(jchar,    Char,    T_CHAR)

  1438 WRAPPER_SetStaticField(jint,     Int,     T_INT)

  1439 WRAPPER_SetStaticField(jlong,    Long,    T_LONG)

  1440 WRAPPER_SetStaticField(jfloat,   Float,   T_FLOAT)

  1441 WRAPPER_SetStaticField(jdouble,  Double,  T_DOUBLE)

  1444 JNI_ENTRY_CHECKED(jstring,

  1445   checked_jni_NewString(JNIEnv *env,

  1446                         const jchar *unicode,

  1447                         jsize len))

  1448     functionEnter(thr);

  1449     jstring result = UNCHECKED()->NewString(env,unicode,len);

  1450     functionExit(thr);

  1451     return result;

  1452 JNI_END

  1454 JNI_ENTRY_CHECKED(jsize,

  1455   checked_jni_GetStringLength(JNIEnv *env,

  1456                               jstring str))

  1457     functionEnter(thr);

  1458     IN_VM(

  1459       checkString(thr, str);

  1460     )

  1461     jsize result = UNCHECKED()->GetStringLength(env,str);

  1462     functionExit(thr);

  1463     return result;

  1464 JNI_END

  1466 // Arbitrary (but well-known) tag

  1467 const void* STRING_TAG = (void*)0x47114711;

  1469 JNI_ENTRY_CHECKED(const jchar *,

  1470   checked_jni_GetStringChars(JNIEnv *env,

  1471                              jstring str,

  1472                              jboolean *isCopy))

  1473     functionEnter(thr);

  1474     IN_VM(

  1475       checkString(thr, str);

  1476     )

  1477     jchar* new_result = NULL;

  1478     const jchar *result = UNCHECKED()->GetStringChars(env,str,isCopy);

  1479     assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringChars didn't return a copy as expected");

  1480     if (result != NULL) {

  1481       size_t len = UNCHECKED()->GetStringLength(env,str) + 1; // + 1 for NULL termination

  1482       len *= sizeof(jchar);

  1483       new_result = (jchar*) GuardedMemory::wrap_copy(result, len, STRING_TAG);

  1484       if (new_result == NULL) {

  1485         vm_exit_out_of_memory(len, OOM_MALLOC_ERROR, "checked_jni_GetStringChars");

  1486       }

  1487       // Avoiding call to UNCHECKED()->ReleaseStringChars() since that will fire unexpected dtrace probes

  1488       // Note that the dtrace arguments for the allocated memory will not match up with this solution.

  1489       FreeHeap((char*)result);

  1490     }

  1491     functionExit(thr);

  1492     return new_result;

  1493 JNI_END

  1495 JNI_ENTRY_CHECKED(void,

  1496   checked_jni_ReleaseStringChars(JNIEnv *env,

  1497                                  jstring str,

  1498                                  const jchar *chars))

  1499     functionEnterExceptionAllowed(thr);

  1500     IN_VM(

  1501       checkString(thr, str);

  1502     )

  1503     if (chars == NULL) {

  1504        // still do the unchecked call to allow dtrace probes

  1505        UNCHECKED()->ReleaseStringChars(env,str,chars);

  1506     }

  1507     else {

  1508       GuardedMemory guarded((void*)chars);

  1509       if (!guarded.verify_guards()) {

  1510         tty->print_cr("ReleaseStringChars: release chars failed bounds check. "

  1511             "string: " PTR_FORMAT " chars: " PTR_FORMAT, p2i(str), p2i(chars));

  1512         guarded.print_on(tty);

  1513         NativeReportJNIFatalError(thr, "ReleaseStringChars: "

  1514             "release chars failed bounds check.");

  1515       }

  1516       if (guarded.get_tag() != STRING_TAG) {

  1517         tty->print_cr("ReleaseStringChars: called on something not allocated "

  1518             "by GetStringChars. string: " PTR_FORMAT " chars: " PTR_FORMAT,

  1519             p2i(str), p2i(chars));

  1520         NativeReportJNIFatalError(thr, "ReleaseStringChars called on something "

  1521             "not allocated by GetStringChars");

  1522       }

  1523        UNCHECKED()->ReleaseStringChars(env, str,

  1524            (const jchar*) guarded.release_for_freeing());

  1525     }

  1526     functionExit(thr);

  1527 JNI_END

  1529 JNI_ENTRY_CHECKED(jstring,

  1530   checked_jni_NewStringUTF(JNIEnv *env,

  1531                            const char *utf))

  1532     functionEnter(thr);

  1533     jstring result = UNCHECKED()->NewStringUTF(env,utf);

  1534     functionExit(thr);

  1535     return result;

  1536 JNI_END

  1538 JNI_ENTRY_CHECKED(jsize,

  1539   checked_jni_GetStringUTFLength(JNIEnv *env,

  1540                                  jstring str))

  1541     functionEnter(thr);

  1542     IN_VM(

  1543       checkString(thr, str);

  1544     )

  1545     jsize result = UNCHECKED()->GetStringUTFLength(env,str);

  1546     functionExit(thr);

  1547     return result;

  1548 JNI_END

  1550 // Arbitrary (but well-known) tag - different than GetStringChars

  1551 const void* STRING_UTF_TAG = (void*) 0x48124812;

  1553 JNI_ENTRY_CHECKED(const char *,

  1554   checked_jni_GetStringUTFChars(JNIEnv *env,

  1555                                 jstring str,

  1556                                 jboolean *isCopy))

  1557     functionEnter(thr);

  1558     IN_VM(

  1559       checkString(thr, str);

  1560     )

  1561     char* new_result = NULL;

  1562     const char *result = UNCHECKED()->GetStringUTFChars(env,str,isCopy);

  1563     assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringUTFChars didn't return a copy as expected");

  1564     if (result != NULL) {

  1565       size_t len = strlen(result) + 1; // + 1 for NULL termination

  1566       new_result = (char*) GuardedMemory::wrap_copy(result, len, STRING_UTF_TAG);

  1567       if (new_result == NULL) {

  1568         vm_exit_out_of_memory(len, OOM_MALLOC_ERROR, "checked_jni_GetStringUTFChars");

  1569       }

  1570       // Avoiding call to UNCHECKED()->ReleaseStringUTFChars() since that will fire unexpected dtrace probes

  1571       // Note that the dtrace arguments for the allocated memory will not match up with this solution.

  1572       FreeHeap((char*)result, mtInternal);

  1573     }

  1574     functionExit(thr);

  1575     return new_result;

  1576 JNI_END

  1578 JNI_ENTRY_CHECKED(void,

  1579   checked_jni_ReleaseStringUTFChars(JNIEnv *env,

  1580                                     jstring str,

  1581                                     const char* chars))

  1582     functionEnterExceptionAllowed(thr);

  1583     IN_VM(

  1584       checkString(thr, str);

  1585     )

  1586     if (chars == NULL) {

  1587        // still do the unchecked call to allow dtrace probes

  1588        UNCHECKED()->ReleaseStringUTFChars(env,str,chars);

  1589     }

  1590     else {

  1591       GuardedMemory guarded((void*)chars);

  1592       if (!guarded.verify_guards()) {

  1593         tty->print_cr("ReleaseStringUTFChars: release chars failed bounds check. "

  1594             "string: " PTR_FORMAT " chars: " PTR_FORMAT, p2i(str), p2i(chars));

  1595         guarded.print_on(tty);

  1596         NativeReportJNIFatalError(thr, "ReleaseStringUTFChars: "

  1597             "release chars failed bounds check.");

  1598       }

  1599       if (guarded.get_tag() != STRING_UTF_TAG) {

  1600         tty->print_cr("ReleaseStringUTFChars: called on something not "

  1601             "allocated by GetStringUTFChars. string: " PTR_FORMAT " chars: "

  1602             PTR_FORMAT, p2i(str), p2i(chars));

  1603         NativeReportJNIFatalError(thr, "ReleaseStringUTFChars "

  1604             "called on something not allocated by GetStringUTFChars");

  1605       }

  1606       UNCHECKED()->ReleaseStringUTFChars(env, str,

  1607           (const char*) guarded.release_for_freeing());

  1608     }

  1609     functionExit(thr);

  1610 JNI_END

  1612 JNI_ENTRY_CHECKED(jsize,

  1613   checked_jni_GetArrayLength(JNIEnv *env,

  1614                              jarray array))

  1615     functionEnter(thr);

  1616     IN_VM(

  1617       check_is_array(thr, array);

  1618     )

  1619     jsize result = UNCHECKED()->GetArrayLength(env,array);

  1620     functionExit(thr);

  1621     return result;

  1622 JNI_END

  1624 JNI_ENTRY_CHECKED(jobjectArray,

  1625   checked_jni_NewObjectArray(JNIEnv *env,

  1626                              jsize len,

  1627                              jclass clazz,

  1628                              jobject init))

  1629     functionEnter(thr);

  1630     jobjectArray result = UNCHECKED()->NewObjectArray(env,len,clazz,init);

  1631     functionExit(thr);

  1632     return result;

  1633 JNI_END

  1635 JNI_ENTRY_CHECKED(jobject,

  1636   checked_jni_GetObjectArrayElement(JNIEnv *env,

  1637                                     jobjectArray array,

  1638                                     jsize index))

  1639     functionEnter(thr);

  1640     IN_VM(

  1641       check_is_obj_array(thr, array);

  1642     )

  1643     jobject result = UNCHECKED()->GetObjectArrayElement(env,array,index);

  1644     functionExit(thr);

  1645     return result;

  1646 JNI_END

  1648 JNI_ENTRY_CHECKED(void,

  1649   checked_jni_SetObjectArrayElement(JNIEnv *env,

  1650                                     jobjectArray array,

  1651                                     jsize index,

  1652                                     jobject val))

  1653     functionEnter(thr);

  1654     IN_VM(

  1655       check_is_obj_array(thr, array);

  1656     )

  1657     UNCHECKED()->SetObjectArrayElement(env,array,index,val);

  1658     functionExit(thr);

  1659 JNI_END

  1661 #define WRAPPER_NewScalarArray(Return, Result) \

  1662 JNI_ENTRY_CHECKED(Return, \

  1663   checked_jni_New##Result##Array(JNIEnv *env, \

  1664                                  jsize len)) \

  1665     functionEnter(thr); \

  1666     Return result = UNCHECKED()->New##Result##Array(env,len); \

  1667     functionExit(thr); \

  1668     return (Return) result; \

  1669 JNI_END

  1671 WRAPPER_NewScalarArray(jbooleanArray, Boolean)

  1672 WRAPPER_NewScalarArray(jbyteArray, Byte)

  1673 WRAPPER_NewScalarArray(jshortArray, Short)

  1674 WRAPPER_NewScalarArray(jcharArray, Char)

  1675 WRAPPER_NewScalarArray(jintArray, Int)

  1676 WRAPPER_NewScalarArray(jlongArray, Long)

  1677 WRAPPER_NewScalarArray(jfloatArray, Float)

  1678 WRAPPER_NewScalarArray(jdoubleArray, Double)

  1680 #define WRAPPER_GetScalarArrayElements(ElementTag,ElementType,Result) \

  1681 JNI_ENTRY_CHECKED(ElementType *,  \

  1682   checked_jni_Get##Result##ArrayElements(JNIEnv *env, \

  1683                                          ElementType##Array array, \

  1684                                          jboolean *isCopy)) \

  1685     functionEnter(thr); \

  1686     IN_VM( \

  1687       check_primitive_array_type(thr, array, ElementTag); \

  1688     ) \

  1689     ElementType *result = UNCHECKED()->Get##Result##ArrayElements(env, \

  1690                                                                   array, \

  1691                                                                   isCopy); \

  1692     if (result != NULL) { \

  1693       result = (ElementType *) check_jni_wrap_copy_array(thr, array, result); \

  1694     } \

  1695     functionExit(thr); \

  1696     return result; \

  1697 JNI_END

  1699 WRAPPER_GetScalarArrayElements(T_BOOLEAN, jboolean, Boolean)

  1700 WRAPPER_GetScalarArrayElements(T_BYTE,    jbyte,    Byte)

  1701 WRAPPER_GetScalarArrayElements(T_SHORT,   jshort,   Short)

  1702 WRAPPER_GetScalarArrayElements(T_CHAR,    jchar,    Char)

  1703 WRAPPER_GetScalarArrayElements(T_INT,     jint,     Int)

  1704 WRAPPER_GetScalarArrayElements(T_LONG,    jlong,    Long)

  1705 WRAPPER_GetScalarArrayElements(T_FLOAT,   jfloat,   Float)

  1706 WRAPPER_GetScalarArrayElements(T_DOUBLE,  jdouble,  Double)

  1708 #define WRAPPER_ReleaseScalarArrayElements(ElementTag,ElementType,Result,Tag) \

  1709 JNI_ENTRY_CHECKED(void,  \

  1710   checked_jni_Release##Result##ArrayElements(JNIEnv *env, \

  1711                                              ElementType##Array array, \

  1712                                              ElementType *elems, \

  1713                                              jint mode)) \

  1714     functionEnterExceptionAllowed(thr); \

  1715     IN_VM( \

  1716       check_primitive_array_type(thr, array, ElementTag); \

  1717       ASSERT_OOPS_ALLOWED; \

  1718       typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \

  1719     ) \

  1720     ElementType* orig_result = (ElementType *) check_wrapped_array_release( \

  1721         thr, "checked_jni_Release"#Result"ArrayElements", array, elems, mode); \

  1722     UNCHECKED()->Release##Result##ArrayElements(env, array, orig_result, mode); \

  1723     functionExit(thr); \

  1724 JNI_END

  1726 WRAPPER_ReleaseScalarArrayElements(T_BOOLEAN,jboolean, Boolean, bool)

  1727 WRAPPER_ReleaseScalarArrayElements(T_BYTE,   jbyte,    Byte,    byte)

  1728 WRAPPER_ReleaseScalarArrayElements(T_SHORT,  jshort,   Short,   short)

  1729 WRAPPER_ReleaseScalarArrayElements(T_CHAR,   jchar,    Char,    char)

  1730 WRAPPER_ReleaseScalarArrayElements(T_INT,    jint,     Int,     int)

  1731 WRAPPER_ReleaseScalarArrayElements(T_LONG,   jlong,    Long,    long)

  1732 WRAPPER_ReleaseScalarArrayElements(T_FLOAT,  jfloat,   Float,   float)

  1733 WRAPPER_ReleaseScalarArrayElements(T_DOUBLE, jdouble,  Double,  double)

  1735 #define WRAPPER_GetScalarArrayRegion(ElementTag,ElementType,Result) \

  1736 JNI_ENTRY_CHECKED(void,  \

  1737   checked_jni_Get##Result##ArrayRegion(JNIEnv *env, \

  1738                                        ElementType##Array array, \

  1739                                        jsize start, \

  1740                                        jsize len, \

  1741                                        ElementType *buf)) \

  1742     functionEnter(thr); \

  1743     IN_VM( \

  1744       check_primitive_array_type(thr, array, ElementTag); \

  1745     ) \

  1746     UNCHECKED()->Get##Result##ArrayRegion(env,array,start,len,buf); \

  1747     functionExit(thr); \

  1748 JNI_END

  1750 WRAPPER_GetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean)

  1751 WRAPPER_GetScalarArrayRegion(T_BYTE,    jbyte,    Byte)

  1752 WRAPPER_GetScalarArrayRegion(T_SHORT,   jshort,   Short)

  1753 WRAPPER_GetScalarArrayRegion(T_CHAR,    jchar,    Char)

  1754 WRAPPER_GetScalarArrayRegion(T_INT,     jint,     Int)

  1755 WRAPPER_GetScalarArrayRegion(T_LONG,    jlong,    Long)

  1756 WRAPPER_GetScalarArrayRegion(T_FLOAT,   jfloat,   Float)

  1757 WRAPPER_GetScalarArrayRegion(T_DOUBLE,  jdouble,  Double)

  1759 #define WRAPPER_SetScalarArrayRegion(ElementTag,ElementType,Result) \

  1760 JNI_ENTRY_CHECKED(void,  \

  1761   checked_jni_Set##Result##ArrayRegion(JNIEnv *env, \

  1762                                        ElementType##Array array, \

  1763                                        jsize start, \

  1764                                        jsize len, \

  1765                                        const ElementType *buf)) \

  1766     functionEnter(thr); \

  1767     IN_VM( \

  1768       check_primitive_array_type(thr, array, ElementTag); \

  1769     ) \

  1770     UNCHECKED()->Set##Result##ArrayRegion(env,array,start,len,buf); \

  1771     functionExit(thr); \

  1772 JNI_END

  1774 WRAPPER_SetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean)

  1775 WRAPPER_SetScalarArrayRegion(T_BYTE,    jbyte,    Byte)

  1776 WRAPPER_SetScalarArrayRegion(T_SHORT,   jshort,   Short)

  1777 WRAPPER_SetScalarArrayRegion(T_CHAR,    jchar,    Char)

  1778 WRAPPER_SetScalarArrayRegion(T_INT,     jint,     Int)

  1779 WRAPPER_SetScalarArrayRegion(T_LONG,    jlong,    Long)

  1780 WRAPPER_SetScalarArrayRegion(T_FLOAT,   jfloat,   Float)

  1781 WRAPPER_SetScalarArrayRegion(T_DOUBLE,  jdouble,  Double)

  1783 JNI_ENTRY_CHECKED(jint,

  1784   checked_jni_RegisterNatives(JNIEnv *env,

  1785                               jclass clazz,

  1786                               const JNINativeMethod *methods,

  1787                               jint nMethods))

  1788     functionEnter(thr);

  1789     jint result = UNCHECKED()->RegisterNatives(env,clazz,methods,nMethods);

  1790     functionExit(thr);

  1791     return result;

  1792 JNI_END

  1794 JNI_ENTRY_CHECKED(jint,

  1795   checked_jni_UnregisterNatives(JNIEnv *env,

  1796                                 jclass clazz))

  1797     functionEnter(thr);

  1798     jint result = UNCHECKED()->UnregisterNatives(env,clazz);

  1799     functionExit(thr);

  1800     return result;

  1801 JNI_END

  1803 JNI_ENTRY_CHECKED(jint,

  1804   checked_jni_MonitorEnter(JNIEnv *env,

  1805                            jobject obj))

  1806     functionEnter(thr);

  1807     IN_VM(

  1808       jniCheck::validate_object(thr, obj);

  1809     )

  1810     jint result = UNCHECKED()->MonitorEnter(env,obj);

  1811     functionExit(thr);

  1812     return result;

  1813 JNI_END

  1815 JNI_ENTRY_CHECKED(jint,

  1816   checked_jni_MonitorExit(JNIEnv *env,

  1817                           jobject obj))

  1818     functionEnterExceptionAllowed(thr);

  1819     IN_VM(

  1820       jniCheck::validate_object(thr, obj);

  1821     )

  1822     jint result = UNCHECKED()->MonitorExit(env,obj);

  1823     functionExit(thr);

  1824     return result;

  1825 JNI_END

  1827 JNI_ENTRY_CHECKED(jint,

  1828   checked_jni_GetJavaVM(JNIEnv *env,

  1829                         JavaVM **vm))

  1830     functionEnter(thr);

  1831     jint result = UNCHECKED()->GetJavaVM(env,vm);

  1832     functionExit(thr);

  1833     return result;

  1834 JNI_END

  1836 JNI_ENTRY_CHECKED(void,

  1837   checked_jni_GetStringRegion(JNIEnv *env,

  1838                               jstring str,

  1839                               jsize start,

  1840                               jsize len,

  1841                               jchar *buf))

  1842     functionEnter(thr);

  1843     IN_VM(

  1844       checkString(thr, str);

  1845     )

  1846     UNCHECKED()->GetStringRegion(env, str, start, len, buf);

  1847     functionExit(thr);

  1848 JNI_END

  1850 JNI_ENTRY_CHECKED(void,

  1851   checked_jni_GetStringUTFRegion(JNIEnv *env,

  1852                                  jstring str,

  1853                                  jsize start,

  1854                                  jsize len,

  1855                                  char *buf))

  1856     functionEnter(thr);

  1857     IN_VM(

  1858       checkString(thr, str);

  1859     )

  1860     UNCHECKED()->GetStringUTFRegion(env, str, start, len, buf);

  1861     functionExit(thr);

  1862 JNI_END

  1864 JNI_ENTRY_CHECKED(void *,

  1865   checked_jni_GetPrimitiveArrayCritical(JNIEnv *env,

  1866                                         jarray array,

  1867                                         jboolean *isCopy))

  1868     functionEnterCritical(thr);

  1869     IN_VM(

  1870       check_is_primitive_array(thr, array);

  1871     )

  1872     void *result = UNCHECKED()->GetPrimitiveArrayCritical(env, array, isCopy);

  1873     if (result != NULL) {

  1874       result = check_jni_wrap_copy_array(thr, array, result);

  1875     }

  1876     functionExit(thr);

  1877     return result;

  1878 JNI_END

  1880 JNI_ENTRY_CHECKED(void,

  1881   checked_jni_ReleasePrimitiveArrayCritical(JNIEnv *env,

  1882                                             jarray array,

  1883                                             void *carray,

  1884                                             jint mode))

  1885     functionEnterCriticalExceptionAllowed(thr);

  1886     IN_VM(

  1887       check_is_primitive_array(thr, array);

  1888     )

  1889     // Check the element array...

  1890     void* orig_result = check_wrapped_array_release(thr, "ReleasePrimitiveArrayCritical", array, carray, mode);

  1891     UNCHECKED()->ReleasePrimitiveArrayCritical(env, array, orig_result, mode);

  1892     functionExit(thr);

  1893 JNI_END

  1895 JNI_ENTRY_CHECKED(const jchar*,

  1896   checked_jni_GetStringCritical(JNIEnv *env,

  1897                                 jstring string,

  1898                                 jboolean *isCopy))

  1899     functionEnterCritical(thr);

  1900     IN_VM(

  1901       checkString(thr, string);

  1902     )

  1903     const jchar *result = UNCHECKED()->GetStringCritical(env, string, isCopy);

  1904     functionExit(thr);

  1905     return result;

  1906 JNI_END

  1908 JNI_ENTRY_CHECKED(void,

  1909   checked_jni_ReleaseStringCritical(JNIEnv *env,

  1910                                     jstring str,

  1911                                     const jchar *chars))

  1912     functionEnterCriticalExceptionAllowed(thr);

  1913     IN_VM(

  1914       checkString(thr, str);

  1915     )

  1916     /* The Hotspot JNI code does not use the parameters, so just check the

  1917      * string parameter as a minor sanity check

  1918      */

  1919     UNCHECKED()->ReleaseStringCritical(env, str, chars);

  1920     functionExit(thr);

  1921 JNI_END

  1923 JNI_ENTRY_CHECKED(jweak,

  1924   checked_jni_NewWeakGlobalRef(JNIEnv *env,

  1925                                jobject obj))

  1926     functionEnter(thr);

  1927     IN_VM(

  1928       if (obj != NULL) {

  1929         jniCheck::validate_handle(thr, obj);

  1930       }

  1931     )

  1932     jweak result = UNCHECKED()->NewWeakGlobalRef(env, obj);

  1933     functionExit(thr);

  1934     return result;

  1935 JNI_END

  1937 JNI_ENTRY_CHECKED(void,

  1938   checked_jni_DeleteWeakGlobalRef(JNIEnv *env,

  1939                                   jweak ref))

  1940     functionEnterExceptionAllowed(thr);

  1941     UNCHECKED()->DeleteWeakGlobalRef(env, ref);

  1942     functionExit(thr);

  1943 JNI_END

  1945 JNI_ENTRY_CHECKED(jboolean,

  1946   checked_jni_ExceptionCheck(JNIEnv *env))

  1947     thr->clear_pending_jni_exception_check();

  1948     functionEnterExceptionAllowed(thr);

  1949     jboolean result = UNCHECKED()->ExceptionCheck(env);

  1950     functionExit(thr);

  1951     return result;

  1952 JNI_END

  1954 JNI_ENTRY_CHECKED(jobject,

  1955   checked_jni_NewDirectByteBuffer(JNIEnv *env,

  1956                                   void *address,

  1957                                   jlong capacity))

  1958     functionEnter(thr);

  1959     jobject result = UNCHECKED()->NewDirectByteBuffer(env, address, capacity);

  1960     functionExit(thr);

  1961     return result;

  1962 JNI_END

  1964 JNI_ENTRY_CHECKED(void *,

  1965   checked_jni_GetDirectBufferAddress(JNIEnv *env,

  1966                                      jobject buf))

  1967     functionEnter(thr);

  1968     void* result = UNCHECKED()->GetDirectBufferAddress(env, buf);

  1969     functionExit(thr);

  1970     return result;

  1971 JNI_END

  1973 JNI_ENTRY_CHECKED(jlong,

  1974   checked_jni_GetDirectBufferCapacity(JNIEnv *env,

  1975                                       jobject buf))

  1976     functionEnter(thr);

  1977     jlong result = UNCHECKED()->GetDirectBufferCapacity(env, buf);

  1978     functionExit(thr);

  1979     return result;

  1980 JNI_END

  1982 JNI_ENTRY_CHECKED(jobjectRefType,

  1983   checked_jni_GetObjectRefType(JNIEnv *env,

  1984                                jobject obj))

  1985     functionEnter(thr);

  1986     /* validate the object being passed */

  1987     IN_VM(

  1988       jniCheck::validate_object(thr, obj);

  1989     )

  1990     jobjectRefType result = UNCHECKED()->GetObjectRefType(env, obj);

  1991     functionExit(thr);

  1992     return result;

  1993 JNI_END

  1996 JNI_ENTRY_CHECKED(jint,

  1997   checked_jni_GetVersion(JNIEnv *env))

  1998     functionEnter(thr);

  1999     jint result = UNCHECKED()->GetVersion(env);

  2000     functionExit(thr);

  2001     return result;

  2002 JNI_END

  2006 /*

  2007  * Structure containing all checked jni functions

  2008  */

  2009 struct JNINativeInterface_  checked_jni_NativeInterface = {

  2010     NULL,

  2011     NULL,

  2012     NULL,

  2014     NULL,

  2016     checked_jni_GetVersion,

  2018     checked_jni_DefineClass,

  2019     checked_jni_FindClass,

  2021     checked_jni_FromReflectedMethod,

  2022     checked_jni_FromReflectedField,

  2024     checked_jni_ToReflectedMethod,

  2026     checked_jni_GetSuperclass,

  2027     checked_jni_IsAssignableFrom,

  2029     checked_jni_ToReflectedField,

  2031     checked_jni_Throw,

  2032     checked_jni_ThrowNew,

  2033     checked_jni_ExceptionOccurred,

  2034     checked_jni_ExceptionDescribe,

  2035     checked_jni_ExceptionClear,

  2036     checked_jni_FatalError,

  2038     checked_jni_PushLocalFrame,

  2039     checked_jni_PopLocalFrame,

  2041     checked_jni_NewGlobalRef,

  2042     checked_jni_DeleteGlobalRef,

  2043     checked_jni_DeleteLocalRef,

  2044     checked_jni_IsSameObject,

  2046     checked_jni_NewLocalRef,

  2047     checked_jni_EnsureLocalCapacity,

  2049     checked_jni_AllocObject,

  2050     checked_jni_NewObject,

  2051     checked_jni_NewObjectV,

  2052     checked_jni_NewObjectA,

  2054     checked_jni_GetObjectClass,

  2055     checked_jni_IsInstanceOf,

  2057     checked_jni_GetMethodID,

  2059     checked_jni_CallObjectMethod,

  2060     checked_jni_CallObjectMethodV,

  2061     checked_jni_CallObjectMethodA,

  2062     checked_jni_CallBooleanMethod,

  2063     checked_jni_CallBooleanMethodV,

  2064     checked_jni_CallBooleanMethodA,

  2065     checked_jni_CallByteMethod,

  2066     checked_jni_CallByteMethodV,

  2067     checked_jni_CallByteMethodA,

  2068     checked_jni_CallCharMethod,

  2069     checked_jni_CallCharMethodV,

  2070     checked_jni_CallCharMethodA,

  2071     checked_jni_CallShortMethod,

  2072     checked_jni_CallShortMethodV,

  2073     checked_jni_CallShortMethodA,

  2074     checked_jni_CallIntMethod,

  2075     checked_jni_CallIntMethodV,

  2076     checked_jni_CallIntMethodA,

  2077     checked_jni_CallLongMethod,

  2078     checked_jni_CallLongMethodV,

  2079     checked_jni_CallLongMethodA,

  2080     checked_jni_CallFloatMethod,

  2081     checked_jni_CallFloatMethodV,

  2082     checked_jni_CallFloatMethodA,

  2083     checked_jni_CallDoubleMethod,

  2084     checked_jni_CallDoubleMethodV,

  2085     checked_jni_CallDoubleMethodA,

  2086     checked_jni_CallVoidMethod,

  2087     checked_jni_CallVoidMethodV,

  2088     checked_jni_CallVoidMethodA,

  2090     checked_jni_CallNonvirtualObjectMethod,

  2091     checked_jni_CallNonvirtualObjectMethodV,

  2092     checked_jni_CallNonvirtualObjectMethodA,

  2093     checked_jni_CallNonvirtualBooleanMethod,

  2094     checked_jni_CallNonvirtualBooleanMethodV,

  2095     checked_jni_CallNonvirtualBooleanMethodA,

  2096     checked_jni_CallNonvirtualByteMethod,

  2097     checked_jni_CallNonvirtualByteMethodV,

  2098     checked_jni_CallNonvirtualByteMethodA,

  2099     checked_jni_CallNonvirtualCharMethod,

  2100     checked_jni_CallNonvirtualCharMethodV,

  2101     checked_jni_CallNonvirtualCharMethodA,

  2102     checked_jni_CallNonvirtualShortMethod,

  2103     checked_jni_CallNonvirtualShortMethodV,

  2104     checked_jni_CallNonvirtualShortMethodA,

  2105     checked_jni_CallNonvirtualIntMethod,

  2106     checked_jni_CallNonvirtualIntMethodV,

  2107     checked_jni_CallNonvirtualIntMethodA,

  2108     checked_jni_CallNonvirtualLongMethod,

  2109     checked_jni_CallNonvirtualLongMethodV,

  2110     checked_jni_CallNonvirtualLongMethodA,

  2111     checked_jni_CallNonvirtualFloatMethod,

  2112     checked_jni_CallNonvirtualFloatMethodV,

  2113     checked_jni_CallNonvirtualFloatMethodA,

  2114     checked_jni_CallNonvirtualDoubleMethod,

  2115     checked_jni_CallNonvirtualDoubleMethodV,

  2116     checked_jni_CallNonvirtualDoubleMethodA,

  2117     checked_jni_CallNonvirtualVoidMethod,

  2118     checked_jni_CallNonvirtualVoidMethodV,

  2119     checked_jni_CallNonvirtualVoidMethodA,

  2121     checked_jni_GetFieldID,

  2123     checked_jni_GetObjectField,

  2124     checked_jni_GetBooleanField,

  2125     checked_jni_GetByteField,

  2126     checked_jni_GetCharField,

  2127     checked_jni_GetShortField,

  2128     checked_jni_GetIntField,

  2129     checked_jni_GetLongField,

  2130     checked_jni_GetFloatField,

  2131     checked_jni_GetDoubleField,

  2133     checked_jni_SetObjectField,

  2134     checked_jni_SetBooleanField,

  2135     checked_jni_SetByteField,

  2136     checked_jni_SetCharField,

  2137     checked_jni_SetShortField,

  2138     checked_jni_SetIntField,

  2139     checked_jni_SetLongField,

  2140     checked_jni_SetFloatField,

  2141     checked_jni_SetDoubleField,

  2143     checked_jni_GetStaticMethodID,

  2145     checked_jni_CallStaticObjectMethod,

  2146     checked_jni_CallStaticObjectMethodV,

  2147     checked_jni_CallStaticObjectMethodA,

  2148     checked_jni_CallStaticBooleanMethod,

  2149     checked_jni_CallStaticBooleanMethodV,

  2150     checked_jni_CallStaticBooleanMethodA,

  2151     checked_jni_CallStaticByteMethod,

  2152     checked_jni_CallStaticByteMethodV,

  2153     checked_jni_CallStaticByteMethodA,

  2154     checked_jni_CallStaticCharMethod,

  2155     checked_jni_CallStaticCharMethodV,

  2156     checked_jni_CallStaticCharMethodA,

  2157     checked_jni_CallStaticShortMethod,

  2158     checked_jni_CallStaticShortMethodV,

  2159     checked_jni_CallStaticShortMethodA,

  2160     checked_jni_CallStaticIntMethod,

  2161     checked_jni_CallStaticIntMethodV,

  2162     checked_jni_CallStaticIntMethodA,

  2163     checked_jni_CallStaticLongMethod,

  2164     checked_jni_CallStaticLongMethodV,

  2165     checked_jni_CallStaticLongMethodA,

  2166     checked_jni_CallStaticFloatMethod,

  2167     checked_jni_CallStaticFloatMethodV,

  2168     checked_jni_CallStaticFloatMethodA,

  2169     checked_jni_CallStaticDoubleMethod,

  2170     checked_jni_CallStaticDoubleMethodV,

  2171     checked_jni_CallStaticDoubleMethodA,

  2172     checked_jni_CallStaticVoidMethod,

  2173     checked_jni_CallStaticVoidMethodV,

  2174     checked_jni_CallStaticVoidMethodA,

  2176     checked_jni_GetStaticFieldID,

  2178     checked_jni_GetStaticObjectField,

  2179     checked_jni_GetStaticBooleanField,

  2180     checked_jni_GetStaticByteField,

  2181     checked_jni_GetStaticCharField,

  2182     checked_jni_GetStaticShortField,

  2183     checked_jni_GetStaticIntField,

  2184     checked_jni_GetStaticLongField,

  2185     checked_jni_GetStaticFloatField,

  2186     checked_jni_GetStaticDoubleField,

  2188     checked_jni_SetStaticObjectField,

  2189     checked_jni_SetStaticBooleanField,

  2190     checked_jni_SetStaticByteField,

  2191     checked_jni_SetStaticCharField,

  2192     checked_jni_SetStaticShortField,

  2193     checked_jni_SetStaticIntField,

  2194     checked_jni_SetStaticLongField,

  2195     checked_jni_SetStaticFloatField,

  2196     checked_jni_SetStaticDoubleField,

  2198     checked_jni_NewString,

  2199     checked_jni_GetStringLength,

  2200     checked_jni_GetStringChars,

  2201     checked_jni_ReleaseStringChars,

  2203     checked_jni_NewStringUTF,

  2204     checked_jni_GetStringUTFLength,

  2205     checked_jni_GetStringUTFChars,

  2206     checked_jni_ReleaseStringUTFChars,

  2208     checked_jni_GetArrayLength,

  2210     checked_jni_NewObjectArray,

  2211     checked_jni_GetObjectArrayElement,

  2212     checked_jni_SetObjectArrayElement,

  2214     checked_jni_NewBooleanArray,

  2215     checked_jni_NewByteArray,

  2216     checked_jni_NewCharArray,

  2217     checked_jni_NewShortArray,

  2218     checked_jni_NewIntArray,

  2219     checked_jni_NewLongArray,

  2220     checked_jni_NewFloatArray,

  2221     checked_jni_NewDoubleArray,

  2223     checked_jni_GetBooleanArrayElements,

  2224     checked_jni_GetByteArrayElements,

  2225     checked_jni_GetCharArrayElements,

  2226     checked_jni_GetShortArrayElements,

  2227     checked_jni_GetIntArrayElements,

  2228     checked_jni_GetLongArrayElements,

  2229     checked_jni_GetFloatArrayElements,

  2230     checked_jni_GetDoubleArrayElements,

  2232     checked_jni_ReleaseBooleanArrayElements,

  2233     checked_jni_ReleaseByteArrayElements,

  2234     checked_jni_ReleaseCharArrayElements,

  2235     checked_jni_ReleaseShortArrayElements,

  2236     checked_jni_ReleaseIntArrayElements,

  2237     checked_jni_ReleaseLongArrayElements,

  2238     checked_jni_ReleaseFloatArrayElements,

  2239     checked_jni_ReleaseDoubleArrayElements,

  2241     checked_jni_GetBooleanArrayRegion,

  2242     checked_jni_GetByteArrayRegion,

  2243     checked_jni_GetCharArrayRegion,

  2244     checked_jni_GetShortArrayRegion,

  2245     checked_jni_GetIntArrayRegion,

  2246     checked_jni_GetLongArrayRegion,

  2247     checked_jni_GetFloatArrayRegion,

  2248     checked_jni_GetDoubleArrayRegion,

  2250     checked_jni_SetBooleanArrayRegion,

  2251     checked_jni_SetByteArrayRegion,

  2252     checked_jni_SetCharArrayRegion,

  2253     checked_jni_SetShortArrayRegion,

  2254     checked_jni_SetIntArrayRegion,

  2255     checked_jni_SetLongArrayRegion,

  2256     checked_jni_SetFloatArrayRegion,

  2257     checked_jni_SetDoubleArrayRegion,

  2259     checked_jni_RegisterNatives,

  2260     checked_jni_UnregisterNatives,

  2262     checked_jni_MonitorEnter,

  2263     checked_jni_MonitorExit,

  2265     checked_jni_GetJavaVM,

  2267     checked_jni_GetStringRegion,

  2268     checked_jni_GetStringUTFRegion,

  2270     checked_jni_GetPrimitiveArrayCritical,

  2271     checked_jni_ReleasePrimitiveArrayCritical,

  2273     checked_jni_GetStringCritical,

  2274     checked_jni_ReleaseStringCritical,

  2276     checked_jni_NewWeakGlobalRef,

  2277     checked_jni_DeleteWeakGlobalRef,

  2279     checked_jni_ExceptionCheck,

  2281     checked_jni_NewDirectByteBuffer,

  2282     checked_jni_GetDirectBufferAddress,

  2283     checked_jni_GetDirectBufferCapacity,

  2285     // New 1.6 Features

  2287     checked_jni_GetObjectRefType

  2288 };

  2291 // Returns the function structure

  2292 struct JNINativeInterface_* jni_functions_check() {

  2294   unchecked_jni_NativeInterface = jni_functions_nocheck();

  2296   // make sure the last pointer in the checked table is not null, indicating

  2297   // an addition to the JNINativeInterface_ structure without initializing

  2298   // it in the checked table.

  2299   debug_only(int *lastPtr = (int *)((char *)&checked_jni_NativeInterface + \

  2300              sizeof(*unchecked_jni_NativeInterface) - sizeof(char *));)

  2301   assert(*lastPtr != 0,

  2302          "Mismatched JNINativeInterface tables, check for new entries");

  2304   // with -verbose:jni this message will print

  2305   if (PrintJNIResolving) {

  2306     tty->print_cr("Checked JNI functions are being used to " \

  2307                   "validate JNI usage");

  2308   }

  2310   return &checked_jni_NativeInterface;

  2311 }

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/prims/jniCheck.cpp@50e62b688ddc

src/share/vm/prims/jniCheck.cpp