jdk8-mips64-public/hotspot: src/share/vm/prims/jniCheck.cpp@89dcef434423

8059575: JEP-JDK-8043304: Test task: Tiered Compilation level transition tests
Summary: Includes compile_id addition from JDK-8054492
Reviewed-by: andrew

     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 jmethodID check

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

   466   if (moop == NULL) {

   467     ReportJNIFatalError(thr, fatal_wrong_class_or_method);

   468   }

   469   return moop;

   470 }

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

   474     if (!obj)

   475         return NULL;

   476     ASSERT_OOPS_ALLOWED;

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

   478     if (!oopObj) {

   479       ReportJNIFatalError(thr, fatal_bad_ref_to_jni);

   480     }

   481     return oopObj;

   482 }

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

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

   486 // array descriptors.

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

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

   490   size_t len = strlen(name);

   492   if (len >= 2 &&

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

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

   495     char msg[JVM_MAXPATHLEN];

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

   497     ReportJNIWarning(thr, msg);

   498   }

   499 }

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

   502   ASSERT_OOPS_ALLOWED;

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

   504   if (!mirror) {

   505     ReportJNIFatalError(thr, fatal_received_null_class);

   506   }

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

   509     ReportJNIFatalError(thr, fatal_class_not_a_class);

   510   }

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

   513   // Make allowances for primitive classes ...

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

   515     ReportJNIFatalError(thr, fatal_class_not_a_class);

   516   }

   517   return k;

   518 }

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

   521   ASSERT_OOPS_ALLOWED;

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

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

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

   526     ReportJNIFatalError(thr, fatal_class_not_a_throwable_class);

   527   }

   528 }

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

   531   /* validate the object being passed */

   532   ASSERT_OOPS_ALLOWED;

   533   jniCheck::validate_jmethod_id(thr, method_id);

   534   jniCheck::validate_object(thr, obj);

   535 }

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

   538   /* validate the class being passed */

   539   ASSERT_OOPS_ALLOWED;

   540   jniCheck::validate_jmethod_id(thr, method_id);

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

   542 }

   545 /*

   546  * IMPLEMENTATION OF FUNCTIONS IN CHECKED TABLE

   547  */

   549 JNI_ENTRY_CHECKED(jclass,

   550   checked_jni_DefineClass(JNIEnv *env,

   551                           const char *name,

   552                           jobject loader,

   553                           const jbyte *buf,

   554                           jsize len))

   555     functionEnter(thr);

   556     IN_VM(

   557       jniCheck::validate_object(thr, loader);

   558     )

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

   560     functionExit(thr);

   561     return result;

   562 JNI_END

   564 JNI_ENTRY_CHECKED(jclass,

   565   checked_jni_FindClass(JNIEnv *env,

   566                         const char *name))

   567     functionEnter(thr);

   568     IN_VM(

   569       jniCheck::validate_class_descriptor(thr, name);

   570     )

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

   572     functionExit(thr);

   573     return result;

   574 JNI_END

   576 JNI_ENTRY_CHECKED(jmethodID,

   577   checked_jni_FromReflectedMethod(JNIEnv *env,

   578                                   jobject method))

   579     functionEnter(thr);

   580     IN_VM(

   581       jniCheck::validate_object(thr, method);

   582     )

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

   584     functionExit(thr);

   585     return result;

   586 JNI_END

   588 JNI_ENTRY_CHECKED(jfieldID,

   589   checked_jni_FromReflectedField(JNIEnv *env,

   590                                  jobject field))

   591     functionEnter(thr);

   592     IN_VM(

   593       jniCheck::validate_object(thr, field);

   594     )

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

   596     functionExit(thr);

   597     return result;

   598 JNI_END

   600 JNI_ENTRY_CHECKED(jobject,

   601   checked_jni_ToReflectedMethod(JNIEnv *env,

   602                                 jclass cls,

   603                                 jmethodID methodID,

   604                                 jboolean isStatic))

   605     functionEnter(thr);

   606     IN_VM(

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

   608       jniCheck::validate_jmethod_id(thr, methodID);

   609     )

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

   611                                                     isStatic);

   612     functionExit(thr);

   613     return result;

   614 JNI_END

   616 JNI_ENTRY_CHECKED(jclass,

   617   checked_jni_GetSuperclass(JNIEnv *env,

   618                             jclass sub))

   619     functionEnter(thr);

   620     IN_VM(

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

   622     )

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

   624     functionExit(thr);

   625     return result;

   626 JNI_END

   628 JNI_ENTRY_CHECKED(jboolean,

   629   checked_jni_IsAssignableFrom(JNIEnv *env,

   630                                jclass sub,

   631                                jclass sup))

   632     functionEnter(thr);

   633     IN_VM(

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

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

   636     )

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

   638     functionExit(thr);

   639     return result;

   640 JNI_END

   642 JNI_ENTRY_CHECKED(jobject,

   643   checked_jni_ToReflectedField(JNIEnv *env,

   644                                jclass cls,

   645                                jfieldID fieldID,

   646                                jboolean isStatic))

   647     functionEnter(thr);

   648     IN_VM(

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

   650     )

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

   652                                                    isStatic);

   653     functionExit(thr);

   654     return result;

   655 JNI_END

   657 JNI_ENTRY_CHECKED(jint,

   658   checked_jni_Throw(JNIEnv *env,

   659                     jthrowable obj))

   660     functionEnter(thr);

   661     IN_VM(

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

   663       if (oopObj == NULL) {

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

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

   666       } else {

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

   668       }

   669     )

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

   671     functionExit(thr);

   672     return result;

   673 JNI_END

   675 JNI_ENTRY_CHECKED(jint,

   676   checked_jni_ThrowNew(JNIEnv *env,

   677                        jclass clazz,

   678                        const char *msg))

   679     functionEnter(thr);

   680     IN_VM(

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

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

   683       jniCheck::validate_throwable_klass(thr, k);

   684     )

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

   686     functionExit(thr);

   687     return result;

   688 JNI_END

   690 JNI_ENTRY_CHECKED(jthrowable,

   691   checked_jni_ExceptionOccurred(JNIEnv *env))

   692     thr->clear_pending_jni_exception_check();

   693     functionEnterExceptionAllowed(thr);

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

   695     functionExit(thr);

   696     return result;

   697 JNI_END

   699 JNI_ENTRY_CHECKED(void,

   700   checked_jni_ExceptionDescribe(JNIEnv *env))

   701     functionEnterExceptionAllowed(thr);

   702     UNCHECKED()->ExceptionDescribe(env);

   703     functionExit(thr);

   704 JNI_END

   706 JNI_ENTRY_CHECKED(void,

   707   checked_jni_ExceptionClear(JNIEnv *env))

   708     thr->clear_pending_jni_exception_check();

   709     functionEnterExceptionAllowed(thr);

   710     UNCHECKED()->ExceptionClear(env);

   711     functionExit(thr);

   712 JNI_END

   714 JNI_ENTRY_CHECKED(void,

   715   checked_jni_FatalError(JNIEnv *env,

   716                          const char *msg))

   717     thr->clear_pending_jni_exception_check();

   718     functionEnter(thr);

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

   720     functionExit(thr);

   721 JNI_END

   723 JNI_ENTRY_CHECKED(jint,

   724   checked_jni_PushLocalFrame(JNIEnv *env,

   725                              jint capacity))

   726     functionEnterExceptionAllowed(thr);

   727     if (capacity < 0)

   728       NativeReportJNIFatalError(thr, "negative capacity");

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

   730     if (result == JNI_OK) {

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

   732     }

   733     functionExit(thr);

   734     return result;

   735 JNI_END

   737 JNI_ENTRY_CHECKED(jobject,

   738   checked_jni_PopLocalFrame(JNIEnv *env,

   739                             jobject result))

   740     functionEnterExceptionAllowed(thr);

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

   742     functionExit(thr);

   743     return res;

   744 JNI_END

   746 JNI_ENTRY_CHECKED(jobject,

   747   checked_jni_NewGlobalRef(JNIEnv *env,

   748                            jobject lobj))

   749     functionEnter(thr);

   750     IN_VM(

   751       if (lobj != NULL) {

   752         jniCheck::validate_handle(thr, lobj);

   753       }

   754     )

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

   756     functionExit(thr);

   757     return result;

   758 JNI_END

   760 JNI_ENTRY_CHECKED(void,

   761   checked_jni_DeleteGlobalRef(JNIEnv *env,

   762                               jobject gref))

   763     functionEnterExceptionAllowed(thr);

   764     IN_VM(

   765       jniCheck::validate_object(thr, gref);

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

   767         ReportJNIFatalError(thr,

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

   769       }

   770     )

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

   772     functionExit(thr);

   773 JNI_END

   775 JNI_ENTRY_CHECKED(void,

   776   checked_jni_DeleteLocalRef(JNIEnv *env,

   777                              jobject obj))

   778     functionEnterExceptionAllowed(thr);

   779     IN_VM(

   780       jniCheck::validate_object(thr, obj);

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

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

   783         ReportJNIFatalError(thr,

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

   785     )

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

   787     functionExit(thr);

   788 JNI_END

   790 JNI_ENTRY_CHECKED(jboolean,

   791   checked_jni_IsSameObject(JNIEnv *env,

   792                            jobject obj1,

   793                            jobject obj2))

   794     functionEnterExceptionAllowed(thr);

   795     IN_VM(

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

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

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

   799        */

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

   801         jniCheck::validate_object(thr, obj1);

   802       }

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

   804         jniCheck::validate_object(thr, obj2);

   805       }

   806     )

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

   808     functionExit(thr);

   809     return result;

   810 JNI_END

   812 JNI_ENTRY_CHECKED(jobject,

   813   checked_jni_NewLocalRef(JNIEnv *env,

   814                           jobject ref))

   815     functionEnter(thr);

   816     IN_VM(

   817       if (ref != NULL) {

   818         jniCheck::validate_handle(thr, ref);

   819       }

   820     )

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

   822     functionExit(thr);

   823     return result;

   824 JNI_END

   826 JNI_ENTRY_CHECKED(jint,

   827   checked_jni_EnsureLocalCapacity(JNIEnv *env,

   828                                   jint capacity))

   829     functionEnter(thr);

   830     if (capacity < 0) {

   831       NativeReportJNIFatalError(thr, "negative capacity");

   832     }

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

   834     if (result == JNI_OK) {

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

   836     }

   837     functionExit(thr);

   838     return result;

   839 JNI_END

   841 JNI_ENTRY_CHECKED(jobject,

   842   checked_jni_AllocObject(JNIEnv *env,

   843                           jclass clazz))

   844     functionEnter(thr);

   845     IN_VM(

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

   847     )

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

   849     functionExit(thr);

   850     return result;

   851 JNI_END

   853 JNI_ENTRY_CHECKED(jobject,

   854   checked_jni_NewObject(JNIEnv *env,

   855                         jclass clazz,

   856                         jmethodID methodID,

   857                         ...))

   858     functionEnter(thr);

   859     va_list args;

   860     IN_VM(

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

   862       jniCheck::validate_jmethod_id(thr, methodID);

   863     )

   864     va_start(args, methodID);

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

   866     va_end(args);

   867     functionExit(thr);

   868     return result;

   869 JNI_END

   871 JNI_ENTRY_CHECKED(jobject,

   872   checked_jni_NewObjectV(JNIEnv *env,

   873                          jclass clazz,

   874                          jmethodID methodID,

   875                          va_list args))

   876     functionEnter(thr);

   877     IN_VM(

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

   879       jniCheck::validate_jmethod_id(thr, methodID);

   880     )

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

   882     functionExit(thr);

   883     return result;

   884 JNI_END

   886 JNI_ENTRY_CHECKED(jobject,

   887   checked_jni_NewObjectA(JNIEnv *env,

   888                          jclass clazz,

   889                          jmethodID methodID,

   890                          const jvalue *args))

   891     functionEnter(thr);

   892     IN_VM(

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

   894       jniCheck::validate_jmethod_id(thr, methodID);

   895     )

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

   897     functionExit(thr);

   898     return result;

   899 JNI_END

   901 JNI_ENTRY_CHECKED(jclass,

   902   checked_jni_GetObjectClass(JNIEnv *env,

   903                              jobject obj))

   904     functionEnter(thr);

   905     IN_VM(

   906       jniCheck::validate_object(thr, obj);

   907     )

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

   909     functionExit(thr);

   910     return result;

   911 JNI_END

   913 JNI_ENTRY_CHECKED(jboolean,

   914   checked_jni_IsInstanceOf(JNIEnv *env,

   915                            jobject obj,

   916                            jclass clazz))

   917     functionEnter(thr);

   918     IN_VM(

   919       jniCheck::validate_object(thr, obj);

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

   921     )

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

   923     functionExit(thr);

   924     return result;

   925 JNI_END

   927 JNI_ENTRY_CHECKED(jmethodID,

   928   checked_jni_GetMethodID(JNIEnv *env,

   929                           jclass clazz,

   930                           const char *name,

   931                           const char *sig))

   932     functionEnter(thr);

   933     IN_VM(

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

   935     )

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

   937     functionExit(thr);

   938     return result;

   939 JNI_END

   941 #define WRAPPER_CallMethod(ResultType, Result) \

   942 JNI_ENTRY_CHECKED(ResultType,  \

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

   944                                    jobject obj, \

   945                                    jmethodID methodID, \

   946                                    ...)) \

   947     functionEnter(thr); \

   948     va_list args; \

   949     IN_VM( \

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

   951     ) \

   952     va_start(args,methodID); \

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

   954                                                           args); \

   955     va_end(args); \

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

   957     functionExit(thr); \

   958     return result; \

   959 JNI_END \

   960 \

   961 JNI_ENTRY_CHECKED(ResultType,  \

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

   963                                     jobject obj, \

   964                                     jmethodID methodID, \

   965                                     va_list args)) \

   966     functionEnter(thr); \

   967     IN_VM(\

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

   969     ) \

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

   971                                                            args); \

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

   973     functionExit(thr); \

   974     return result; \

   975 JNI_END \

   976 \

   977 JNI_ENTRY_CHECKED(ResultType,  \

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

   979                                     jobject obj, \

   980                                     jmethodID methodID, \

   981                                     const jvalue * args)) \

   982     functionEnter(thr); \

   983     IN_VM( \

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

   985     ) \

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

   987                                                            args); \

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

   989     functionExit(thr); \

   990     return result; \

   991 JNI_END

   993 WRAPPER_CallMethod(jobject,Object)

   994 WRAPPER_CallMethod(jboolean,Boolean)

   995 WRAPPER_CallMethod(jbyte,Byte)

   996 WRAPPER_CallMethod(jshort,Short)

   997 WRAPPER_CallMethod(jchar,Char)

   998 WRAPPER_CallMethod(jint,Int)

   999 WRAPPER_CallMethod(jlong,Long)

  1000 WRAPPER_CallMethod(jfloat,Float)

  1001 WRAPPER_CallMethod(jdouble,Double)

  1003 JNI_ENTRY_CHECKED(void,

  1004   checked_jni_CallVoidMethod(JNIEnv *env, \

  1005                              jobject obj, \

  1006                              jmethodID methodID, \

  1007                              ...))

  1008     functionEnter(thr);

  1009     va_list args;

  1010     IN_VM(

  1011       jniCheck::validate_call_object(thr, obj, methodID);

  1012     )

  1013     va_start(args,methodID);

  1014     UNCHECKED()->CallVoidMethodV(env,obj,methodID,args);

  1015     va_end(args);

  1016     thr->set_pending_jni_exception_check("CallVoidMethod");

  1017     functionExit(thr);

  1018 JNI_END

  1020 JNI_ENTRY_CHECKED(void,

  1021   checked_jni_CallVoidMethodV(JNIEnv *env,

  1022                               jobject obj,

  1023                               jmethodID methodID,

  1024                               va_list args))

  1025     functionEnter(thr);

  1026     IN_VM(

  1027       jniCheck::validate_call_object(thr, obj, methodID);

  1028     )

  1029     UNCHECKED()->CallVoidMethodV(env,obj,methodID,args);

  1030     thr->set_pending_jni_exception_check("CallVoidMethodV");

  1031     functionExit(thr);

  1032 JNI_END

  1034 JNI_ENTRY_CHECKED(void,

  1035   checked_jni_CallVoidMethodA(JNIEnv *env,

  1036                               jobject obj,

  1037                               jmethodID methodID,

  1038                               const jvalue * args))

  1039     functionEnter(thr);

  1040     IN_VM(

  1041       jniCheck::validate_call_object(thr, obj, methodID);

  1042     )

  1043     UNCHECKED()->CallVoidMethodA(env,obj,methodID,args);

  1044     thr->set_pending_jni_exception_check("CallVoidMethodA");

  1045     functionExit(thr);

  1046 JNI_END

  1048 #define WRAPPER_CallNonvirtualMethod(ResultType, Result) \

  1049 JNI_ENTRY_CHECKED(ResultType,  \

  1050   checked_jni_CallNonvirtual##Result##Method(JNIEnv *env, \

  1051                                              jobject obj, \

  1052                                              jclass clazz, \

  1053                                              jmethodID methodID, \

  1054                                              ...)) \

  1055     functionEnter(thr); \

  1056     va_list args; \

  1057     IN_VM( \

  1058       jniCheck::validate_call_object(thr, obj, methodID); \

  1059       jniCheck::validate_call_class(thr, clazz, methodID); \

  1060     ) \

  1061     va_start(args,methodID); \

  1062     ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodV(env, \

  1063                                                                      obj, \

  1064                                                                      clazz, \

  1065                                                                      methodID,\

  1066                                                                      args); \

  1067     va_end(args); \

  1068     thr->set_pending_jni_exception_check("CallNonvirtual"#Result"Method"); \

  1069     functionExit(thr); \

  1070     return result; \

  1071 JNI_END \

  1072 \

  1073 JNI_ENTRY_CHECKED(ResultType,  \

  1074   checked_jni_CallNonvirtual##Result##MethodV(JNIEnv *env, \

  1075                                               jobject obj, \

  1076                                               jclass clazz, \

  1077                                               jmethodID methodID, \

  1078                                               va_list args)) \

  1079     functionEnter(thr); \

  1080     IN_VM( \

  1081       jniCheck::validate_call_object(thr, obj, methodID); \

  1082       jniCheck::validate_call_class(thr, clazz, methodID); \

  1083     ) \

  1084     ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodV(env, \

  1085                                                                      obj, \

  1086                                                                      clazz, \

  1087                                                                      methodID,\

  1088                                                                      args); \

  1089     thr->set_pending_jni_exception_check("CallNonvirtual"#Result"MethodV"); \

  1090     functionExit(thr); \

  1091     return result; \

  1092 JNI_END \

  1093 \

  1094 JNI_ENTRY_CHECKED(ResultType,  \

  1095   checked_jni_CallNonvirtual##Result##MethodA(JNIEnv *env, \

  1096                                               jobject obj, \

  1097                                               jclass clazz, \

  1098                                               jmethodID methodID, \

  1099                                               const jvalue * args)) \

  1100     functionEnter(thr); \

  1101     IN_VM( \

  1102       jniCheck::validate_call_object(thr, obj, methodID); \

  1103       jniCheck::validate_call_class(thr, clazz, methodID); \

  1104     ) \

  1105     ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodA(env, \

  1106                                                                      obj, \

  1107                                                                      clazz, \

  1108                                                                      methodID,\

  1109                                                                      args); \

  1110     thr->set_pending_jni_exception_check("CallNonvirtual"#Result"MethodA"); \

  1111     functionExit(thr); \

  1112     return result; \

  1113 JNI_END

  1115 WRAPPER_CallNonvirtualMethod(jobject,Object)

  1116 WRAPPER_CallNonvirtualMethod(jboolean,Boolean)

  1117 WRAPPER_CallNonvirtualMethod(jbyte,Byte)

  1118 WRAPPER_CallNonvirtualMethod(jshort,Short)

  1119 WRAPPER_CallNonvirtualMethod(jchar,Char)

  1120 WRAPPER_CallNonvirtualMethod(jint,Int)

  1121 WRAPPER_CallNonvirtualMethod(jlong,Long)

  1122 WRAPPER_CallNonvirtualMethod(jfloat,Float)

  1123 WRAPPER_CallNonvirtualMethod(jdouble,Double)

  1125 JNI_ENTRY_CHECKED(void,

  1126   checked_jni_CallNonvirtualVoidMethod(JNIEnv *env,

  1127                                        jobject obj,

  1128                                        jclass clazz,

  1129                                        jmethodID methodID,

  1130                                        ...))

  1131     functionEnter(thr);

  1132     va_list args;

  1133     IN_VM(

  1134       jniCheck::validate_call_object(thr, obj, methodID);

  1135       jniCheck::validate_call_class(thr, clazz, methodID);

  1136     )

  1137     va_start(args,methodID);

  1138     UNCHECKED()->CallNonvirtualVoidMethodV(env,obj,clazz,methodID,args);

  1139     va_end(args);

  1140     thr->set_pending_jni_exception_check("CallNonvirtualVoidMethod");

  1141     functionExit(thr);

  1142 JNI_END

  1144 JNI_ENTRY_CHECKED(void,

  1145   checked_jni_CallNonvirtualVoidMethodV(JNIEnv *env,

  1146                                         jobject obj,

  1147                                         jclass clazz,

  1148                                         jmethodID methodID,

  1149                                         va_list args))

  1150     functionEnter(thr);

  1151     IN_VM(

  1152       jniCheck::validate_call_object(thr, obj, methodID);

  1153       jniCheck::validate_call_class(thr, clazz, methodID);

  1154     )

  1155     UNCHECKED()->CallNonvirtualVoidMethodV(env,obj,clazz,methodID,args);

  1156     thr->set_pending_jni_exception_check("CallNonvirtualVoidMethodV");

  1157     functionExit(thr);

  1158 JNI_END

  1160 JNI_ENTRY_CHECKED(void,

  1161   checked_jni_CallNonvirtualVoidMethodA(JNIEnv *env,

  1162                                         jobject obj,

  1163                                         jclass clazz,

  1164                                         jmethodID methodID,

  1165                                         const jvalue * args))

  1166     functionEnter(thr);

  1167     IN_VM(

  1168       jniCheck::validate_call_object(thr, obj, methodID);

  1169       jniCheck::validate_call_class(thr, clazz, methodID);

  1170     )

  1171     UNCHECKED()->CallNonvirtualVoidMethodA(env,obj,clazz,methodID,args);

  1172     thr->set_pending_jni_exception_check("CallNonvirtualVoidMethodA");

  1173     functionExit(thr);

  1174 JNI_END

  1176 JNI_ENTRY_CHECKED(jfieldID,

  1177   checked_jni_GetFieldID(JNIEnv *env,

  1178                          jclass clazz,

  1179                          const char *name,

  1180                          const char *sig))

  1181     functionEnter(thr);

  1182     IN_VM(

  1183       jniCheck::validate_class(thr, clazz, false);

  1184     )

  1185     jfieldID result = UNCHECKED()->GetFieldID(env,clazz,name,sig);

  1186     functionExit(thr);

  1187     return result;

  1188 JNI_END

  1190 #define WRAPPER_GetField(ReturnType,Result,FieldType) \

  1191 JNI_ENTRY_CHECKED(ReturnType,  \

  1192   checked_jni_Get##Result##Field(JNIEnv *env, \

  1193                                  jobject obj, \

  1194                                  jfieldID fieldID)) \

  1195     functionEnter(thr); \

  1196     IN_VM( \

  1197       checkInstanceFieldID(thr, fieldID, obj, FieldType); \

  1198     ) \

  1199     ReturnType result = UNCHECKED()->Get##Result##Field(env,obj,fieldID); \

  1200     functionExit(thr); \

  1201     return result; \

  1202 JNI_END

  1204 WRAPPER_GetField(jobject,  Object,  T_OBJECT)

  1205 WRAPPER_GetField(jboolean, Boolean, T_BOOLEAN)

  1206 WRAPPER_GetField(jbyte,    Byte,    T_BYTE)

  1207 WRAPPER_GetField(jshort,   Short,   T_SHORT)

  1208 WRAPPER_GetField(jchar,    Char,    T_CHAR)

  1209 WRAPPER_GetField(jint,     Int,     T_INT)

  1210 WRAPPER_GetField(jlong,    Long,    T_LONG)

  1211 WRAPPER_GetField(jfloat,   Float,   T_FLOAT)

  1212 WRAPPER_GetField(jdouble,  Double,  T_DOUBLE)

  1214 #define WRAPPER_SetField(ValueType,Result,FieldType) \

  1215 JNI_ENTRY_CHECKED(void,  \

  1216   checked_jni_Set##Result##Field(JNIEnv *env, \

  1217                                  jobject obj, \

  1218                                  jfieldID fieldID, \

  1219                                  ValueType val)) \

  1220     functionEnter(thr); \

  1221     IN_VM( \

  1222       checkInstanceFieldID(thr, fieldID, obj, FieldType); \

  1223     ) \

  1224     UNCHECKED()->Set##Result##Field(env,obj,fieldID,val); \

  1225     functionExit(thr); \

  1226 JNI_END

  1228 WRAPPER_SetField(jobject,  Object,  T_OBJECT)

  1229 WRAPPER_SetField(jboolean, Boolean, T_BOOLEAN)

  1230 WRAPPER_SetField(jbyte,    Byte,    T_BYTE)

  1231 WRAPPER_SetField(jshort,   Short,   T_SHORT)

  1232 WRAPPER_SetField(jchar,    Char,    T_CHAR)

  1233 WRAPPER_SetField(jint,     Int,     T_INT)

  1234 WRAPPER_SetField(jlong,    Long,    T_LONG)

  1235 WRAPPER_SetField(jfloat,   Float,   T_FLOAT)

  1236 WRAPPER_SetField(jdouble,  Double,  T_DOUBLE)

  1239 JNI_ENTRY_CHECKED(jmethodID,

  1240   checked_jni_GetStaticMethodID(JNIEnv *env,

  1241                                 jclass clazz,

  1242                                 const char *name,

  1243                                 const char *sig))

  1244     functionEnter(thr);

  1245     IN_VM(

  1246       jniCheck::validate_class(thr, clazz, false);

  1247     )

  1248     jmethodID result = UNCHECKED()->GetStaticMethodID(env,clazz,name,sig);

  1249     functionExit(thr);

  1250     return result;

  1251 JNI_END

  1253 #define WRAPPER_CallStaticMethod(ReturnType,Result) \

  1254 JNI_ENTRY_CHECKED(ReturnType,  \

  1255   checked_jni_CallStatic##Result##Method(JNIEnv *env, \

  1256                                          jclass clazz, \

  1257                                          jmethodID methodID, \

  1258                                          ...)) \

  1259     functionEnter(thr); \

  1260     va_list args; \

  1261     IN_VM( \

  1262       jniCheck::validate_jmethod_id(thr, methodID); \

  1263       jniCheck::validate_class(thr, clazz, false); \

  1264     ) \

  1265     va_start(args,methodID); \

  1266     ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \

  1267                                                                  clazz, \

  1268                                                                  methodID, \

  1269                                                                  args); \

  1270     va_end(args); \

  1271     thr->set_pending_jni_exception_check("CallStatic"#Result"Method"); \

  1272     functionExit(thr); \

  1273     return result; \

  1274 JNI_END \

  1275 \

  1276 JNI_ENTRY_CHECKED(ReturnType,  \

  1277   checked_jni_CallStatic##Result##MethodV(JNIEnv *env, \

  1278                                           jclass clazz, \

  1279                                           jmethodID methodID,\

  1280                                           va_list args)) \

  1281     functionEnter(thr); \

  1282     IN_VM( \

  1283       jniCheck::validate_jmethod_id(thr, methodID); \

  1284       jniCheck::validate_class(thr, clazz, false); \

  1285     ) \

  1286     ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \

  1287                                                                  clazz, \

  1288                                                                  methodID, \

  1289                                                                  args); \

  1290     thr->set_pending_jni_exception_check("CallStatic"#Result"MethodV"); \

  1291     functionExit(thr); \

  1292     return result; \

  1293 JNI_END \

  1294 \

  1295 JNI_ENTRY_CHECKED(ReturnType,  \

  1296   checked_jni_CallStatic##Result##MethodA(JNIEnv *env, \

  1297                                           jclass clazz, \

  1298                                           jmethodID methodID, \

  1299                                           const jvalue *args)) \

  1300     functionEnter(thr); \

  1301     IN_VM( \

  1302       jniCheck::validate_jmethod_id(thr, methodID); \

  1303       jniCheck::validate_class(thr, clazz, false); \

  1304     ) \

  1305     ReturnType result = UNCHECKED()->CallStatic##Result##MethodA(env, \

  1306                                                                  clazz, \

  1307                                                                  methodID, \

  1308                                                                  args); \

  1309     thr->set_pending_jni_exception_check("CallStatic"#Result"MethodA"); \

  1310     functionExit(thr); \

  1311     return result; \

  1312 JNI_END

  1314 WRAPPER_CallStaticMethod(jobject,Object)

  1315 WRAPPER_CallStaticMethod(jboolean,Boolean)

  1316 WRAPPER_CallStaticMethod(jbyte,Byte)

  1317 WRAPPER_CallStaticMethod(jshort,Short)

  1318 WRAPPER_CallStaticMethod(jchar,Char)

  1319 WRAPPER_CallStaticMethod(jint,Int)

  1320 WRAPPER_CallStaticMethod(jlong,Long)

  1321 WRAPPER_CallStaticMethod(jfloat,Float)

  1322 WRAPPER_CallStaticMethod(jdouble,Double)

  1324 JNI_ENTRY_CHECKED(void,

  1325   checked_jni_CallStaticVoidMethod(JNIEnv *env,

  1326                                    jclass cls,

  1327                                    jmethodID methodID,

  1328                                    ...))

  1329     functionEnter(thr);

  1330     va_list args;

  1331     IN_VM(

  1332       jniCheck::validate_jmethod_id(thr, methodID);

  1333       jniCheck::validate_class(thr, cls, false);

  1334     )

  1335     va_start(args,methodID);

  1336     UNCHECKED()->CallStaticVoidMethodV(env,cls,methodID,args);

  1337     va_end(args);

  1338     thr->set_pending_jni_exception_check("CallStaticVoidMethod");

  1339     functionExit(thr);

  1340 JNI_END

  1342 JNI_ENTRY_CHECKED(void,

  1343   checked_jni_CallStaticVoidMethodV(JNIEnv *env,

  1344                                     jclass cls,

  1345                                     jmethodID methodID,

  1346                                     va_list args))

  1347     functionEnter(thr);

  1348     IN_VM(

  1349       jniCheck::validate_jmethod_id(thr, methodID);

  1350       jniCheck::validate_class(thr, cls, false);

  1351     )

  1352     UNCHECKED()->CallStaticVoidMethodV(env,cls,methodID,args);

  1353     thr->set_pending_jni_exception_check("CallStaticVoidMethodV");

  1354     functionExit(thr);

  1355 JNI_END

  1357 JNI_ENTRY_CHECKED(void,

  1358   checked_jni_CallStaticVoidMethodA(JNIEnv *env,

  1359                                     jclass cls,

  1360                                     jmethodID methodID,

  1361                                     const jvalue * args))

  1362     functionEnter(thr);

  1363     IN_VM(

  1364       jniCheck::validate_jmethod_id(thr, methodID);

  1365       jniCheck::validate_class(thr, cls, false);

  1366     )

  1367     UNCHECKED()->CallStaticVoidMethodA(env,cls,methodID,args);

  1368     thr->set_pending_jni_exception_check("CallStaticVoidMethodA");

  1369     functionExit(thr);

  1370 JNI_END

  1372 JNI_ENTRY_CHECKED(jfieldID,

  1373   checked_jni_GetStaticFieldID(JNIEnv *env,

  1374                                jclass clazz,

  1375                                const char *name,

  1376                                const char *sig))

  1377     functionEnter(thr);

  1378     IN_VM(

  1379       jniCheck::validate_class(thr, clazz, false);

  1380     )

  1381     jfieldID result = UNCHECKED()->GetStaticFieldID(env,clazz,name,sig);

  1382     functionExit(thr);

  1383     return result;

  1384 JNI_END

  1386 #define WRAPPER_GetStaticField(ReturnType,Result,FieldType) \

  1387 JNI_ENTRY_CHECKED(ReturnType,  \

  1388   checked_jni_GetStatic##Result##Field(JNIEnv *env, \

  1389                                        jclass clazz, \

  1390                                        jfieldID fieldID)) \

  1391     functionEnter(thr); \

  1392     IN_VM( \

  1393       jniCheck::validate_class(thr, clazz, false); \

  1394       checkStaticFieldID(thr, fieldID, clazz, FieldType); \

  1395     ) \

  1396     ReturnType result = UNCHECKED()->GetStatic##Result##Field(env, \

  1397                                                               clazz, \

  1398                                                               fieldID); \

  1399     functionExit(thr); \

  1400     return result; \

  1401 JNI_END

  1403 WRAPPER_GetStaticField(jobject,  Object,  T_OBJECT)

  1404 WRAPPER_GetStaticField(jboolean, Boolean, T_BOOLEAN)

  1405 WRAPPER_GetStaticField(jbyte,    Byte,    T_BYTE)

  1406 WRAPPER_GetStaticField(jshort,   Short,   T_SHORT)

  1407 WRAPPER_GetStaticField(jchar,    Char,    T_CHAR)

  1408 WRAPPER_GetStaticField(jint,     Int,     T_INT)

  1409 WRAPPER_GetStaticField(jlong,    Long,    T_LONG)

  1410 WRAPPER_GetStaticField(jfloat,   Float,   T_FLOAT)

  1411 WRAPPER_GetStaticField(jdouble,  Double,  T_DOUBLE)

  1413 #define WRAPPER_SetStaticField(ValueType,Result,FieldType) \

  1414 JNI_ENTRY_CHECKED(void,  \

  1415   checked_jni_SetStatic##Result##Field(JNIEnv *env, \

  1416                                        jclass clazz, \

  1417                                        jfieldID fieldID, \

  1418                                        ValueType value)) \

  1419     functionEnter(thr); \

  1420     IN_VM( \

  1421       jniCheck::validate_class(thr, clazz, false); \

  1422       checkStaticFieldID(thr, fieldID, clazz, FieldType); \

  1423     ) \

  1424     UNCHECKED()->SetStatic##Result##Field(env,clazz,fieldID,value); \

  1425     functionExit(thr); \

  1426 JNI_END

  1428 WRAPPER_SetStaticField(jobject,  Object,  T_OBJECT)

  1429 WRAPPER_SetStaticField(jboolean, Boolean, T_BOOLEAN)

  1430 WRAPPER_SetStaticField(jbyte,    Byte,    T_BYTE)

  1431 WRAPPER_SetStaticField(jshort,   Short,   T_SHORT)

  1432 WRAPPER_SetStaticField(jchar,    Char,    T_CHAR)

  1433 WRAPPER_SetStaticField(jint,     Int,     T_INT)

  1434 WRAPPER_SetStaticField(jlong,    Long,    T_LONG)

  1435 WRAPPER_SetStaticField(jfloat,   Float,   T_FLOAT)

  1436 WRAPPER_SetStaticField(jdouble,  Double,  T_DOUBLE)

  1439 JNI_ENTRY_CHECKED(jstring,

  1440   checked_jni_NewString(JNIEnv *env,

  1441                         const jchar *unicode,

  1442                         jsize len))

  1443     functionEnter(thr);

  1444     jstring result = UNCHECKED()->NewString(env,unicode,len);

  1445     functionExit(thr);

  1446     return result;

  1447 JNI_END

  1449 JNI_ENTRY_CHECKED(jsize,

  1450   checked_jni_GetStringLength(JNIEnv *env,

  1451                               jstring str))

  1452     functionEnter(thr);

  1453     IN_VM(

  1454       checkString(thr, str);

  1455     )

  1456     jsize result = UNCHECKED()->GetStringLength(env,str);

  1457     functionExit(thr);

  1458     return result;

  1459 JNI_END

  1461 // Arbitrary (but well-known) tag

  1462 const void* STRING_TAG = (void*)0x47114711;

  1464 JNI_ENTRY_CHECKED(const jchar *,

  1465   checked_jni_GetStringChars(JNIEnv *env,

  1466                              jstring str,

  1467                              jboolean *isCopy))

  1468     functionEnter(thr);

  1469     IN_VM(

  1470       checkString(thr, str);

  1471     )

  1472     jchar* new_result = NULL;

  1473     const jchar *result = UNCHECKED()->GetStringChars(env,str,isCopy);

  1474     assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringChars didn't return a copy as expected");

  1475     if (result != NULL) {

  1476       size_t len = UNCHECKED()->GetStringLength(env,str) + 1; // + 1 for NULL termination

  1477       len *= sizeof(jchar);

  1478       new_result = (jchar*) GuardedMemory::wrap_copy(result, len, STRING_TAG);

  1479       if (new_result == NULL) {

  1480         vm_exit_out_of_memory(len, OOM_MALLOC_ERROR, "checked_jni_GetStringChars");

  1481       }

  1482       // Avoiding call to UNCHECKED()->ReleaseStringChars() since that will fire unexpected dtrace probes

  1483       // Note that the dtrace arguments for the allocated memory will not match up with this solution.

  1484       FreeHeap((char*)result);

  1485     }

  1486     functionExit(thr);

  1487     return new_result;

  1488 JNI_END

  1490 JNI_ENTRY_CHECKED(void,

  1491   checked_jni_ReleaseStringChars(JNIEnv *env,

  1492                                  jstring str,

  1493                                  const jchar *chars))

  1494     functionEnterExceptionAllowed(thr);

  1495     IN_VM(

  1496       checkString(thr, str);

  1497     )

  1498     if (chars == NULL) {

  1499        // still do the unchecked call to allow dtrace probes

  1500        UNCHECKED()->ReleaseStringChars(env,str,chars);

  1501     }

  1502     else {

  1503       GuardedMemory guarded((void*)chars);

  1504       if (!guarded.verify_guards()) {

  1505         tty->print_cr("ReleaseStringChars: release chars failed bounds check. "

  1506             "string: " PTR_FORMAT " chars: " PTR_FORMAT, p2i(str), p2i(chars));

  1507         guarded.print_on(tty);

  1508         NativeReportJNIFatalError(thr, "ReleaseStringChars: "

  1509             "release chars failed bounds check.");

  1510       }

  1511       if (guarded.get_tag() != STRING_TAG) {

  1512         tty->print_cr("ReleaseStringChars: called on something not allocated "

  1513             "by GetStringChars. string: " PTR_FORMAT " chars: " PTR_FORMAT,

  1514             p2i(str), p2i(chars));

  1515         NativeReportJNIFatalError(thr, "ReleaseStringChars called on something "

  1516             "not allocated by GetStringChars");

  1517       }

  1518        UNCHECKED()->ReleaseStringChars(env, str,

  1519            (const jchar*) guarded.release_for_freeing());

  1520     }

  1521     functionExit(thr);

  1522 JNI_END

  1524 JNI_ENTRY_CHECKED(jstring,

  1525   checked_jni_NewStringUTF(JNIEnv *env,

  1526                            const char *utf))

  1527     functionEnter(thr);

  1528     jstring result = UNCHECKED()->NewStringUTF(env,utf);

  1529     functionExit(thr);

  1530     return result;

  1531 JNI_END

  1533 JNI_ENTRY_CHECKED(jsize,

  1534   checked_jni_GetStringUTFLength(JNIEnv *env,

  1535                                  jstring str))

  1536     functionEnter(thr);

  1537     IN_VM(

  1538       checkString(thr, str);

  1539     )

  1540     jsize result = UNCHECKED()->GetStringUTFLength(env,str);

  1541     functionExit(thr);

  1542     return result;

  1543 JNI_END

  1545 // Arbitrary (but well-known) tag - different than GetStringChars

  1546 const void* STRING_UTF_TAG = (void*) 0x48124812;

  1548 JNI_ENTRY_CHECKED(const char *,

  1549   checked_jni_GetStringUTFChars(JNIEnv *env,

  1550                                 jstring str,

  1551                                 jboolean *isCopy))

  1552     functionEnter(thr);

  1553     IN_VM(

  1554       checkString(thr, str);

  1555     )

  1556     char* new_result = NULL;

  1557     const char *result = UNCHECKED()->GetStringUTFChars(env,str,isCopy);

  1558     assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringUTFChars didn't return a copy as expected");

  1559     if (result != NULL) {

  1560       size_t len = strlen(result) + 1; // + 1 for NULL termination

  1561       new_result = (char*) GuardedMemory::wrap_copy(result, len, STRING_UTF_TAG);

  1562       if (new_result == NULL) {

  1563         vm_exit_out_of_memory(len, OOM_MALLOC_ERROR, "checked_jni_GetStringUTFChars");

  1564       }

  1565       // Avoiding call to UNCHECKED()->ReleaseStringUTFChars() since that will fire unexpected dtrace probes

  1566       // Note that the dtrace arguments for the allocated memory will not match up with this solution.

  1567       FreeHeap((char*)result, mtInternal);

  1568     }

  1569     functionExit(thr);

  1570     return new_result;

  1571 JNI_END

  1573 JNI_ENTRY_CHECKED(void,

  1574   checked_jni_ReleaseStringUTFChars(JNIEnv *env,

  1575                                     jstring str,

  1576                                     const char* chars))

  1577     functionEnterExceptionAllowed(thr);

  1578     IN_VM(

  1579       checkString(thr, str);

  1580     )

  1581     if (chars == NULL) {

  1582        // still do the unchecked call to allow dtrace probes

  1583        UNCHECKED()->ReleaseStringUTFChars(env,str,chars);

  1584     }

  1585     else {

  1586       GuardedMemory guarded((void*)chars);

  1587       if (!guarded.verify_guards()) {

  1588         tty->print_cr("ReleaseStringUTFChars: release chars failed bounds check. "

  1589             "string: " PTR_FORMAT " chars: " PTR_FORMAT, p2i(str), p2i(chars));

  1590         guarded.print_on(tty);

  1591         NativeReportJNIFatalError(thr, "ReleaseStringUTFChars: "

  1592             "release chars failed bounds check.");

  1593       }

  1594       if (guarded.get_tag() != STRING_UTF_TAG) {

  1595         tty->print_cr("ReleaseStringUTFChars: called on something not "

  1596             "allocated by GetStringUTFChars. string: " PTR_FORMAT " chars: "

  1597             PTR_FORMAT, p2i(str), p2i(chars));

  1598         NativeReportJNIFatalError(thr, "ReleaseStringUTFChars "

  1599             "called on something not allocated by GetStringUTFChars");

  1600       }

  1601       UNCHECKED()->ReleaseStringUTFChars(env, str,

  1602           (const char*) guarded.release_for_freeing());

  1603     }

  1604     functionExit(thr);

  1605 JNI_END

  1607 JNI_ENTRY_CHECKED(jsize,

  1608   checked_jni_GetArrayLength(JNIEnv *env,

  1609                              jarray array))

  1610     functionEnter(thr);

  1611     IN_VM(

  1612       check_is_array(thr, array);

  1613     )

  1614     jsize result = UNCHECKED()->GetArrayLength(env,array);

  1615     functionExit(thr);

  1616     return result;

  1617 JNI_END

  1619 JNI_ENTRY_CHECKED(jobjectArray,

  1620   checked_jni_NewObjectArray(JNIEnv *env,

  1621                              jsize len,

  1622                              jclass clazz,

  1623                              jobject init))

  1624     functionEnter(thr);

  1625     jobjectArray result = UNCHECKED()->NewObjectArray(env,len,clazz,init);

  1626     functionExit(thr);

  1627     return result;

  1628 JNI_END

  1630 JNI_ENTRY_CHECKED(jobject,

  1631   checked_jni_GetObjectArrayElement(JNIEnv *env,

  1632                                     jobjectArray array,

  1633                                     jsize index))

  1634     functionEnter(thr);

  1635     IN_VM(

  1636       check_is_obj_array(thr, array);

  1637     )

  1638     jobject result = UNCHECKED()->GetObjectArrayElement(env,array,index);

  1639     functionExit(thr);

  1640     return result;

  1641 JNI_END

  1643 JNI_ENTRY_CHECKED(void,

  1644   checked_jni_SetObjectArrayElement(JNIEnv *env,

  1645                                     jobjectArray array,

  1646                                     jsize index,

  1647                                     jobject val))

  1648     functionEnter(thr);

  1649     IN_VM(

  1650       check_is_obj_array(thr, array);

  1651     )

  1652     UNCHECKED()->SetObjectArrayElement(env,array,index,val);

  1653     functionExit(thr);

  1654 JNI_END

  1656 #define WRAPPER_NewScalarArray(Return, Result) \

  1657 JNI_ENTRY_CHECKED(Return, \

  1658   checked_jni_New##Result##Array(JNIEnv *env, \

  1659                                  jsize len)) \

  1660     functionEnter(thr); \

  1661     Return result = UNCHECKED()->New##Result##Array(env,len); \

  1662     functionExit(thr); \

  1663     return (Return) result; \

  1664 JNI_END

  1666 WRAPPER_NewScalarArray(jbooleanArray, Boolean)

  1667 WRAPPER_NewScalarArray(jbyteArray, Byte)

  1668 WRAPPER_NewScalarArray(jshortArray, Short)

  1669 WRAPPER_NewScalarArray(jcharArray, Char)

  1670 WRAPPER_NewScalarArray(jintArray, Int)

  1671 WRAPPER_NewScalarArray(jlongArray, Long)

  1672 WRAPPER_NewScalarArray(jfloatArray, Float)

  1673 WRAPPER_NewScalarArray(jdoubleArray, Double)

  1675 #define WRAPPER_GetScalarArrayElements(ElementTag,ElementType,Result) \

  1676 JNI_ENTRY_CHECKED(ElementType *,  \

  1677   checked_jni_Get##Result##ArrayElements(JNIEnv *env, \

  1678                                          ElementType##Array array, \

  1679                                          jboolean *isCopy)) \

  1680     functionEnter(thr); \

  1681     IN_VM( \

  1682       check_primitive_array_type(thr, array, ElementTag); \

  1683     ) \

  1684     ElementType *result = UNCHECKED()->Get##Result##ArrayElements(env, \

  1685                                                                   array, \

  1686                                                                   isCopy); \

  1687     if (result != NULL) { \

  1688       result = (ElementType *) check_jni_wrap_copy_array(thr, array, result); \

  1689     } \

  1690     functionExit(thr); \

  1691     return result; \

  1692 JNI_END

  1694 WRAPPER_GetScalarArrayElements(T_BOOLEAN, jboolean, Boolean)

  1695 WRAPPER_GetScalarArrayElements(T_BYTE,    jbyte,    Byte)

  1696 WRAPPER_GetScalarArrayElements(T_SHORT,   jshort,   Short)

  1697 WRAPPER_GetScalarArrayElements(T_CHAR,    jchar,    Char)

  1698 WRAPPER_GetScalarArrayElements(T_INT,     jint,     Int)

  1699 WRAPPER_GetScalarArrayElements(T_LONG,    jlong,    Long)

  1700 WRAPPER_GetScalarArrayElements(T_FLOAT,   jfloat,   Float)

  1701 WRAPPER_GetScalarArrayElements(T_DOUBLE,  jdouble,  Double)

  1703 #define WRAPPER_ReleaseScalarArrayElements(ElementTag,ElementType,Result,Tag) \

  1704 JNI_ENTRY_CHECKED(void,  \

  1705   checked_jni_Release##Result##ArrayElements(JNIEnv *env, \

  1706                                              ElementType##Array array, \

  1707                                              ElementType *elems, \

  1708                                              jint mode)) \

  1709     functionEnterExceptionAllowed(thr); \

  1710     IN_VM( \

  1711       check_primitive_array_type(thr, array, ElementTag); \

  1712       ASSERT_OOPS_ALLOWED; \

  1713       typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \

  1714     ) \

  1715     ElementType* orig_result = (ElementType *) check_wrapped_array_release( \

  1716         thr, "checked_jni_Release"#Result"ArrayElements", array, elems, mode); \

  1717     UNCHECKED()->Release##Result##ArrayElements(env, array, orig_result, mode); \

  1718     functionExit(thr); \

  1719 JNI_END

  1721 WRAPPER_ReleaseScalarArrayElements(T_BOOLEAN,jboolean, Boolean, bool)

  1722 WRAPPER_ReleaseScalarArrayElements(T_BYTE,   jbyte,    Byte,    byte)

  1723 WRAPPER_ReleaseScalarArrayElements(T_SHORT,  jshort,   Short,   short)

  1724 WRAPPER_ReleaseScalarArrayElements(T_CHAR,   jchar,    Char,    char)

  1725 WRAPPER_ReleaseScalarArrayElements(T_INT,    jint,     Int,     int)

  1726 WRAPPER_ReleaseScalarArrayElements(T_LONG,   jlong,    Long,    long)

  1727 WRAPPER_ReleaseScalarArrayElements(T_FLOAT,  jfloat,   Float,   float)

  1728 WRAPPER_ReleaseScalarArrayElements(T_DOUBLE, jdouble,  Double,  double)

  1730 #define WRAPPER_GetScalarArrayRegion(ElementTag,ElementType,Result) \

  1731 JNI_ENTRY_CHECKED(void,  \

  1732   checked_jni_Get##Result##ArrayRegion(JNIEnv *env, \

  1733                                        ElementType##Array array, \

  1734                                        jsize start, \

  1735                                        jsize len, \

  1736                                        ElementType *buf)) \

  1737     functionEnter(thr); \

  1738     IN_VM( \

  1739       check_primitive_array_type(thr, array, ElementTag); \

  1740     ) \

  1741     UNCHECKED()->Get##Result##ArrayRegion(env,array,start,len,buf); \

  1742     functionExit(thr); \

  1743 JNI_END

  1745 WRAPPER_GetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean)

  1746 WRAPPER_GetScalarArrayRegion(T_BYTE,    jbyte,    Byte)

  1747 WRAPPER_GetScalarArrayRegion(T_SHORT,   jshort,   Short)

  1748 WRAPPER_GetScalarArrayRegion(T_CHAR,    jchar,    Char)

  1749 WRAPPER_GetScalarArrayRegion(T_INT,     jint,     Int)

  1750 WRAPPER_GetScalarArrayRegion(T_LONG,    jlong,    Long)

  1751 WRAPPER_GetScalarArrayRegion(T_FLOAT,   jfloat,   Float)

  1752 WRAPPER_GetScalarArrayRegion(T_DOUBLE,  jdouble,  Double)

  1754 #define WRAPPER_SetScalarArrayRegion(ElementTag,ElementType,Result) \

  1755 JNI_ENTRY_CHECKED(void,  \

  1756   checked_jni_Set##Result##ArrayRegion(JNIEnv *env, \

  1757                                        ElementType##Array array, \

  1758                                        jsize start, \

  1759                                        jsize len, \

  1760                                        const ElementType *buf)) \

  1761     functionEnter(thr); \

  1762     IN_VM( \

  1763       check_primitive_array_type(thr, array, ElementTag); \

  1764     ) \

  1765     UNCHECKED()->Set##Result##ArrayRegion(env,array,start,len,buf); \

  1766     functionExit(thr); \

  1767 JNI_END

  1769 WRAPPER_SetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean)

  1770 WRAPPER_SetScalarArrayRegion(T_BYTE,    jbyte,    Byte)

  1771 WRAPPER_SetScalarArrayRegion(T_SHORT,   jshort,   Short)

  1772 WRAPPER_SetScalarArrayRegion(T_CHAR,    jchar,    Char)

  1773 WRAPPER_SetScalarArrayRegion(T_INT,     jint,     Int)

  1774 WRAPPER_SetScalarArrayRegion(T_LONG,    jlong,    Long)

  1775 WRAPPER_SetScalarArrayRegion(T_FLOAT,   jfloat,   Float)

  1776 WRAPPER_SetScalarArrayRegion(T_DOUBLE,  jdouble,  Double)

  1778 JNI_ENTRY_CHECKED(jint,

  1779   checked_jni_RegisterNatives(JNIEnv *env,

  1780                               jclass clazz,

  1781                               const JNINativeMethod *methods,

  1782                               jint nMethods))

  1783     functionEnter(thr);

  1784     jint result = UNCHECKED()->RegisterNatives(env,clazz,methods,nMethods);

  1785     functionExit(thr);

  1786     return result;

  1787 JNI_END

  1789 JNI_ENTRY_CHECKED(jint,

  1790   checked_jni_UnregisterNatives(JNIEnv *env,

  1791                                 jclass clazz))

  1792     functionEnter(thr);

  1793     jint result = UNCHECKED()->UnregisterNatives(env,clazz);

  1794     functionExit(thr);

  1795     return result;

  1796 JNI_END

  1798 JNI_ENTRY_CHECKED(jint,

  1799   checked_jni_MonitorEnter(JNIEnv *env,

  1800                            jobject obj))

  1801     functionEnter(thr);

  1802     IN_VM(

  1803       jniCheck::validate_object(thr, obj);

  1804     )

  1805     jint result = UNCHECKED()->MonitorEnter(env,obj);

  1806     functionExit(thr);

  1807     return result;

  1808 JNI_END

  1810 JNI_ENTRY_CHECKED(jint,

  1811   checked_jni_MonitorExit(JNIEnv *env,

  1812                           jobject obj))

  1813     functionEnterExceptionAllowed(thr);

  1814     IN_VM(

  1815       jniCheck::validate_object(thr, obj);

  1816     )

  1817     jint result = UNCHECKED()->MonitorExit(env,obj);

  1818     functionExit(thr);

  1819     return result;

  1820 JNI_END

  1822 JNI_ENTRY_CHECKED(jint,

  1823   checked_jni_GetJavaVM(JNIEnv *env,

  1824                         JavaVM **vm))

  1825     functionEnter(thr);

  1826     jint result = UNCHECKED()->GetJavaVM(env,vm);

  1827     functionExit(thr);

  1828     return result;

  1829 JNI_END

  1831 JNI_ENTRY_CHECKED(void,

  1832   checked_jni_GetStringRegion(JNIEnv *env,

  1833                               jstring str,

  1834                               jsize start,

  1835                               jsize len,

  1836                               jchar *buf))

  1837     functionEnter(thr);

  1838     IN_VM(

  1839       checkString(thr, str);

  1840     )

  1841     UNCHECKED()->GetStringRegion(env, str, start, len, buf);

  1842     functionExit(thr);

  1843 JNI_END

  1845 JNI_ENTRY_CHECKED(void,

  1846   checked_jni_GetStringUTFRegion(JNIEnv *env,

  1847                                  jstring str,

  1848                                  jsize start,

  1849                                  jsize len,

  1850                                  char *buf))

  1851     functionEnter(thr);

  1852     IN_VM(

  1853       checkString(thr, str);

  1854     )

  1855     UNCHECKED()->GetStringUTFRegion(env, str, start, len, buf);

  1856     functionExit(thr);

  1857 JNI_END

  1859 JNI_ENTRY_CHECKED(void *,

  1860   checked_jni_GetPrimitiveArrayCritical(JNIEnv *env,

  1861                                         jarray array,

  1862                                         jboolean *isCopy))

  1863     functionEnterCritical(thr);

  1864     IN_VM(

  1865       check_is_primitive_array(thr, array);

  1866     )

  1867     void *result = UNCHECKED()->GetPrimitiveArrayCritical(env, array, isCopy);

  1868     if (result != NULL) {

  1869       result = check_jni_wrap_copy_array(thr, array, result);

  1870     }

  1871     functionExit(thr);

  1872     return result;

  1873 JNI_END

  1875 JNI_ENTRY_CHECKED(void,

  1876   checked_jni_ReleasePrimitiveArrayCritical(JNIEnv *env,

  1877                                             jarray array,

  1878                                             void *carray,

  1879                                             jint mode))

  1880     functionEnterCriticalExceptionAllowed(thr);

  1881     IN_VM(

  1882       check_is_primitive_array(thr, array);

  1883     )

  1884     // Check the element array...

  1885     void* orig_result = check_wrapped_array_release(thr, "ReleasePrimitiveArrayCritical", array, carray, mode);

  1886     UNCHECKED()->ReleasePrimitiveArrayCritical(env, array, orig_result, mode);

  1887     functionExit(thr);

  1888 JNI_END

  1890 JNI_ENTRY_CHECKED(const jchar*,

  1891   checked_jni_GetStringCritical(JNIEnv *env,

  1892                                 jstring string,

  1893                                 jboolean *isCopy))

  1894     functionEnterCritical(thr);

  1895     IN_VM(

  1896       checkString(thr, string);

  1897     )

  1898     const jchar *result = UNCHECKED()->GetStringCritical(env, string, isCopy);

  1899     functionExit(thr);

  1900     return result;

  1901 JNI_END

  1903 JNI_ENTRY_CHECKED(void,

  1904   checked_jni_ReleaseStringCritical(JNIEnv *env,

  1905                                     jstring str,

  1906                                     const jchar *chars))

  1907     functionEnterCriticalExceptionAllowed(thr);

  1908     IN_VM(

  1909       checkString(thr, str);

  1910     )

  1911     /* The Hotspot JNI code does not use the parameters, so just check the

  1912      * string parameter as a minor sanity check

  1913      */

  1914     UNCHECKED()->ReleaseStringCritical(env, str, chars);

  1915     functionExit(thr);

  1916 JNI_END

  1918 JNI_ENTRY_CHECKED(jweak,

  1919   checked_jni_NewWeakGlobalRef(JNIEnv *env,

  1920                                jobject obj))

  1921     functionEnter(thr);

  1922     IN_VM(

  1923       if (obj != NULL) {

  1924         jniCheck::validate_handle(thr, obj);

  1925       }

  1926     )

  1927     jweak result = UNCHECKED()->NewWeakGlobalRef(env, obj);

  1928     functionExit(thr);

  1929     return result;

  1930 JNI_END

  1932 JNI_ENTRY_CHECKED(void,

  1933   checked_jni_DeleteWeakGlobalRef(JNIEnv *env,

  1934                                   jweak ref))

  1935     functionEnterExceptionAllowed(thr);

  1936     UNCHECKED()->DeleteWeakGlobalRef(env, ref);

  1937     functionExit(thr);

  1938 JNI_END

  1940 JNI_ENTRY_CHECKED(jboolean,

  1941   checked_jni_ExceptionCheck(JNIEnv *env))

  1942     thr->clear_pending_jni_exception_check();

  1943     functionEnterExceptionAllowed(thr);

  1944     jboolean result = UNCHECKED()->ExceptionCheck(env);

  1945     functionExit(thr);

  1946     return result;

  1947 JNI_END

  1949 JNI_ENTRY_CHECKED(jobject,

  1950   checked_jni_NewDirectByteBuffer(JNIEnv *env,

  1951                                   void *address,

  1952                                   jlong capacity))

  1953     functionEnter(thr);

  1954     jobject result = UNCHECKED()->NewDirectByteBuffer(env, address, capacity);

  1955     functionExit(thr);

  1956     return result;

  1957 JNI_END

  1959 JNI_ENTRY_CHECKED(void *,

  1960   checked_jni_GetDirectBufferAddress(JNIEnv *env,

  1961                                      jobject buf))

  1962     functionEnter(thr);

  1963     void* result = UNCHECKED()->GetDirectBufferAddress(env, buf);

  1964     functionExit(thr);

  1965     return result;

  1966 JNI_END

  1968 JNI_ENTRY_CHECKED(jlong,

  1969   checked_jni_GetDirectBufferCapacity(JNIEnv *env,

  1970                                       jobject buf))

  1971     functionEnter(thr);

  1972     jlong result = UNCHECKED()->GetDirectBufferCapacity(env, buf);

  1973     functionExit(thr);

  1974     return result;

  1975 JNI_END

  1977 JNI_ENTRY_CHECKED(jobjectRefType,

  1978   checked_jni_GetObjectRefType(JNIEnv *env,

  1979                                jobject obj))

  1980     functionEnter(thr);

  1981     /* validate the object being passed */

  1982     IN_VM(

  1983       jniCheck::validate_object(thr, obj);

  1984     )

  1985     jobjectRefType result = UNCHECKED()->GetObjectRefType(env, obj);

  1986     functionExit(thr);

  1987     return result;

  1988 JNI_END

  1991 JNI_ENTRY_CHECKED(jint,

  1992   checked_jni_GetVersion(JNIEnv *env))

  1993     functionEnter(thr);

  1994     jint result = UNCHECKED()->GetVersion(env);

  1995     functionExit(thr);

  1996     return result;

  1997 JNI_END

  2001 /*

  2002  * Structure containing all checked jni functions

  2003  */

  2004 struct JNINativeInterface_  checked_jni_NativeInterface = {

  2005     NULL,

  2006     NULL,

  2007     NULL,

  2009     NULL,

  2011     checked_jni_GetVersion,

  2013     checked_jni_DefineClass,

  2014     checked_jni_FindClass,

  2016     checked_jni_FromReflectedMethod,

  2017     checked_jni_FromReflectedField,

  2019     checked_jni_ToReflectedMethod,

  2021     checked_jni_GetSuperclass,

  2022     checked_jni_IsAssignableFrom,

  2024     checked_jni_ToReflectedField,

  2026     checked_jni_Throw,

  2027     checked_jni_ThrowNew,

  2028     checked_jni_ExceptionOccurred,

  2029     checked_jni_ExceptionDescribe,

  2030     checked_jni_ExceptionClear,

  2031     checked_jni_FatalError,

  2033     checked_jni_PushLocalFrame,

  2034     checked_jni_PopLocalFrame,

  2036     checked_jni_NewGlobalRef,

  2037     checked_jni_DeleteGlobalRef,

  2038     checked_jni_DeleteLocalRef,

  2039     checked_jni_IsSameObject,

  2041     checked_jni_NewLocalRef,

  2042     checked_jni_EnsureLocalCapacity,

  2044     checked_jni_AllocObject,

  2045     checked_jni_NewObject,

  2046     checked_jni_NewObjectV,

  2047     checked_jni_NewObjectA,

  2049     checked_jni_GetObjectClass,

  2050     checked_jni_IsInstanceOf,

  2052     checked_jni_GetMethodID,

  2054     checked_jni_CallObjectMethod,

  2055     checked_jni_CallObjectMethodV,

  2056     checked_jni_CallObjectMethodA,

  2057     checked_jni_CallBooleanMethod,

  2058     checked_jni_CallBooleanMethodV,

  2059     checked_jni_CallBooleanMethodA,

  2060     checked_jni_CallByteMethod,

  2061     checked_jni_CallByteMethodV,

  2062     checked_jni_CallByteMethodA,

  2063     checked_jni_CallCharMethod,

  2064     checked_jni_CallCharMethodV,

  2065     checked_jni_CallCharMethodA,

  2066     checked_jni_CallShortMethod,

  2067     checked_jni_CallShortMethodV,

  2068     checked_jni_CallShortMethodA,

  2069     checked_jni_CallIntMethod,

  2070     checked_jni_CallIntMethodV,

  2071     checked_jni_CallIntMethodA,

  2072     checked_jni_CallLongMethod,

  2073     checked_jni_CallLongMethodV,

  2074     checked_jni_CallLongMethodA,

  2075     checked_jni_CallFloatMethod,

  2076     checked_jni_CallFloatMethodV,

  2077     checked_jni_CallFloatMethodA,

  2078     checked_jni_CallDoubleMethod,

  2079     checked_jni_CallDoubleMethodV,

  2080     checked_jni_CallDoubleMethodA,

  2081     checked_jni_CallVoidMethod,

  2082     checked_jni_CallVoidMethodV,

  2083     checked_jni_CallVoidMethodA,

  2085     checked_jni_CallNonvirtualObjectMethod,

  2086     checked_jni_CallNonvirtualObjectMethodV,

  2087     checked_jni_CallNonvirtualObjectMethodA,

  2088     checked_jni_CallNonvirtualBooleanMethod,

  2089     checked_jni_CallNonvirtualBooleanMethodV,

  2090     checked_jni_CallNonvirtualBooleanMethodA,

  2091     checked_jni_CallNonvirtualByteMethod,

  2092     checked_jni_CallNonvirtualByteMethodV,

  2093     checked_jni_CallNonvirtualByteMethodA,

  2094     checked_jni_CallNonvirtualCharMethod,

  2095     checked_jni_CallNonvirtualCharMethodV,

  2096     checked_jni_CallNonvirtualCharMethodA,

  2097     checked_jni_CallNonvirtualShortMethod,

  2098     checked_jni_CallNonvirtualShortMethodV,

  2099     checked_jni_CallNonvirtualShortMethodA,

  2100     checked_jni_CallNonvirtualIntMethod,

  2101     checked_jni_CallNonvirtualIntMethodV,

  2102     checked_jni_CallNonvirtualIntMethodA,

  2103     checked_jni_CallNonvirtualLongMethod,

  2104     checked_jni_CallNonvirtualLongMethodV,

  2105     checked_jni_CallNonvirtualLongMethodA,

  2106     checked_jni_CallNonvirtualFloatMethod,

  2107     checked_jni_CallNonvirtualFloatMethodV,

  2108     checked_jni_CallNonvirtualFloatMethodA,

  2109     checked_jni_CallNonvirtualDoubleMethod,

  2110     checked_jni_CallNonvirtualDoubleMethodV,

  2111     checked_jni_CallNonvirtualDoubleMethodA,

  2112     checked_jni_CallNonvirtualVoidMethod,

  2113     checked_jni_CallNonvirtualVoidMethodV,

  2114     checked_jni_CallNonvirtualVoidMethodA,

  2116     checked_jni_GetFieldID,

  2118     checked_jni_GetObjectField,

  2119     checked_jni_GetBooleanField,

  2120     checked_jni_GetByteField,

  2121     checked_jni_GetCharField,

  2122     checked_jni_GetShortField,

  2123     checked_jni_GetIntField,

  2124     checked_jni_GetLongField,

  2125     checked_jni_GetFloatField,

  2126     checked_jni_GetDoubleField,

  2128     checked_jni_SetObjectField,

  2129     checked_jni_SetBooleanField,

  2130     checked_jni_SetByteField,

  2131     checked_jni_SetCharField,

  2132     checked_jni_SetShortField,

  2133     checked_jni_SetIntField,

  2134     checked_jni_SetLongField,

  2135     checked_jni_SetFloatField,

  2136     checked_jni_SetDoubleField,

  2138     checked_jni_GetStaticMethodID,

  2140     checked_jni_CallStaticObjectMethod,

  2141     checked_jni_CallStaticObjectMethodV,

  2142     checked_jni_CallStaticObjectMethodA,

  2143     checked_jni_CallStaticBooleanMethod,

  2144     checked_jni_CallStaticBooleanMethodV,

  2145     checked_jni_CallStaticBooleanMethodA,

  2146     checked_jni_CallStaticByteMethod,

  2147     checked_jni_CallStaticByteMethodV,

  2148     checked_jni_CallStaticByteMethodA,

  2149     checked_jni_CallStaticCharMethod,

  2150     checked_jni_CallStaticCharMethodV,

  2151     checked_jni_CallStaticCharMethodA,

  2152     checked_jni_CallStaticShortMethod,

  2153     checked_jni_CallStaticShortMethodV,

  2154     checked_jni_CallStaticShortMethodA,

  2155     checked_jni_CallStaticIntMethod,

  2156     checked_jni_CallStaticIntMethodV,

  2157     checked_jni_CallStaticIntMethodA,

  2158     checked_jni_CallStaticLongMethod,

  2159     checked_jni_CallStaticLongMethodV,

  2160     checked_jni_CallStaticLongMethodA,

  2161     checked_jni_CallStaticFloatMethod,

  2162     checked_jni_CallStaticFloatMethodV,

  2163     checked_jni_CallStaticFloatMethodA,

  2164     checked_jni_CallStaticDoubleMethod,

  2165     checked_jni_CallStaticDoubleMethodV,

  2166     checked_jni_CallStaticDoubleMethodA,

  2167     checked_jni_CallStaticVoidMethod,

  2168     checked_jni_CallStaticVoidMethodV,

  2169     checked_jni_CallStaticVoidMethodA,

  2171     checked_jni_GetStaticFieldID,

  2173     checked_jni_GetStaticObjectField,

  2174     checked_jni_GetStaticBooleanField,

  2175     checked_jni_GetStaticByteField,

  2176     checked_jni_GetStaticCharField,

  2177     checked_jni_GetStaticShortField,

  2178     checked_jni_GetStaticIntField,

  2179     checked_jni_GetStaticLongField,

  2180     checked_jni_GetStaticFloatField,

  2181     checked_jni_GetStaticDoubleField,

  2183     checked_jni_SetStaticObjectField,

  2184     checked_jni_SetStaticBooleanField,

  2185     checked_jni_SetStaticByteField,

  2186     checked_jni_SetStaticCharField,

  2187     checked_jni_SetStaticShortField,

  2188     checked_jni_SetStaticIntField,

  2189     checked_jni_SetStaticLongField,

  2190     checked_jni_SetStaticFloatField,

  2191     checked_jni_SetStaticDoubleField,

  2193     checked_jni_NewString,

  2194     checked_jni_GetStringLength,

  2195     checked_jni_GetStringChars,

  2196     checked_jni_ReleaseStringChars,

  2198     checked_jni_NewStringUTF,

  2199     checked_jni_GetStringUTFLength,

  2200     checked_jni_GetStringUTFChars,

  2201     checked_jni_ReleaseStringUTFChars,

  2203     checked_jni_GetArrayLength,

  2205     checked_jni_NewObjectArray,

  2206     checked_jni_GetObjectArrayElement,

  2207     checked_jni_SetObjectArrayElement,

  2209     checked_jni_NewBooleanArray,

  2210     checked_jni_NewByteArray,

  2211     checked_jni_NewCharArray,

  2212     checked_jni_NewShortArray,

  2213     checked_jni_NewIntArray,

  2214     checked_jni_NewLongArray,

  2215     checked_jni_NewFloatArray,

  2216     checked_jni_NewDoubleArray,

  2218     checked_jni_GetBooleanArrayElements,

  2219     checked_jni_GetByteArrayElements,

  2220     checked_jni_GetCharArrayElements,

  2221     checked_jni_GetShortArrayElements,

  2222     checked_jni_GetIntArrayElements,

  2223     checked_jni_GetLongArrayElements,

  2224     checked_jni_GetFloatArrayElements,

  2225     checked_jni_GetDoubleArrayElements,

  2227     checked_jni_ReleaseBooleanArrayElements,

  2228     checked_jni_ReleaseByteArrayElements,

  2229     checked_jni_ReleaseCharArrayElements,

  2230     checked_jni_ReleaseShortArrayElements,

  2231     checked_jni_ReleaseIntArrayElements,

  2232     checked_jni_ReleaseLongArrayElements,

  2233     checked_jni_ReleaseFloatArrayElements,

  2234     checked_jni_ReleaseDoubleArrayElements,

  2236     checked_jni_GetBooleanArrayRegion,

  2237     checked_jni_GetByteArrayRegion,

  2238     checked_jni_GetCharArrayRegion,

  2239     checked_jni_GetShortArrayRegion,

  2240     checked_jni_GetIntArrayRegion,

  2241     checked_jni_GetLongArrayRegion,

  2242     checked_jni_GetFloatArrayRegion,

  2243     checked_jni_GetDoubleArrayRegion,

  2245     checked_jni_SetBooleanArrayRegion,

  2246     checked_jni_SetByteArrayRegion,

  2247     checked_jni_SetCharArrayRegion,

  2248     checked_jni_SetShortArrayRegion,

  2249     checked_jni_SetIntArrayRegion,

  2250     checked_jni_SetLongArrayRegion,

  2251     checked_jni_SetFloatArrayRegion,

  2252     checked_jni_SetDoubleArrayRegion,

  2254     checked_jni_RegisterNatives,

  2255     checked_jni_UnregisterNatives,

  2257     checked_jni_MonitorEnter,

  2258     checked_jni_MonitorExit,

  2260     checked_jni_GetJavaVM,

  2262     checked_jni_GetStringRegion,

  2263     checked_jni_GetStringUTFRegion,

  2265     checked_jni_GetPrimitiveArrayCritical,

  2266     checked_jni_ReleasePrimitiveArrayCritical,

  2268     checked_jni_GetStringCritical,

  2269     checked_jni_ReleaseStringCritical,

  2271     checked_jni_NewWeakGlobalRef,

  2272     checked_jni_DeleteWeakGlobalRef,

  2274     checked_jni_ExceptionCheck,

  2276     checked_jni_NewDirectByteBuffer,

  2277     checked_jni_GetDirectBufferAddress,

  2278     checked_jni_GetDirectBufferCapacity,

  2280     // New 1.6 Features

  2282     checked_jni_GetObjectRefType

  2283 };

  2286 // Returns the function structure

  2287 struct JNINativeInterface_* jni_functions_check() {

  2289   unchecked_jni_NativeInterface = jni_functions_nocheck();

  2291   // make sure the last pointer in the checked table is not null, indicating

  2292   // an addition to the JNINativeInterface_ structure without initializing

  2293   // it in the checked table.

  2294   debug_only(int *lastPtr = (int *)((char *)&checked_jni_NativeInterface + \

  2295              sizeof(*unchecked_jni_NativeInterface) - sizeof(char *));)

  2296   assert(*lastPtr != 0,

  2297          "Mismatched JNINativeInterface tables, check for new entries");

  2299   // with -verbose:jni this message will print

  2300   if (PrintJNIResolving) {

  2301     tty->print_cr("Checked JNI functions are being used to " \

  2302                   "validate JNI usage");

  2303   }

  2305   return &checked_jni_NativeInterface;

  2306 }

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

src/share/vm/prims/jniCheck.cpp@89dcef434423

src/share/vm/prims/jniCheck.cpp