jdk8-mips64-public/hotspot: src/share/vm/prims/jniCheck.cpp@d64fa7b92b5b

8193234: When using -Xcheck:jni an internally allocated buffer can leak
Reviewed-by: shade, hseigel

     1 /*

     2  * Copyright (c) 2001, 2019, 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   // As we never make copies, mode 0 and JNI_COMMIT are the same.

   432   case 0:

   433   case JNI_COMMIT:

   434     memcpy(orig_result, carray, sz);

   435     break;

   436   case JNI_ABORT:

   437     break;

   438   default:

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

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

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

   442   }

   443   // We always need to release the copy we made with GuardedMemory

   444   GuardedMemory::free_copy(carray);

   445   return orig_result;

   446 }

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

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

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

   451       JNIHandles::is_global_handle(obj) ||

   452       JNIHandles::is_weak_global_handle(obj)) {

   453     ASSERT_OOPS_ALLOWED;

   454     return JNIHandles::resolve_external_guard(obj);

   455   }

   456   ReportJNIFatalError(thr, fatal_bad_ref_to_jni);

   457   return NULL;

   458 }

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

   462   ASSERT_OOPS_ALLOWED;

   463   // Do the jmethodID check

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

   465   if (moop == NULL) {

   466     ReportJNIFatalError(thr, fatal_wrong_class_or_method);

   467   }

   468   return moop;

   469 }

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

   473     if (!obj)

   474         return NULL;

   475     ASSERT_OOPS_ALLOWED;

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

   477     if (!oopObj) {

   478       ReportJNIFatalError(thr, fatal_bad_ref_to_jni);

   479     }

   480     return oopObj;

   481 }

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

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

   485 // array descriptors.

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

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

   489   size_t len = strlen(name);

   491   if (len >= 2 &&

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

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

   494     char msg[JVM_MAXPATHLEN];

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

   496     ReportJNIWarning(thr, msg);

   497   }

   498 }

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

   501   ASSERT_OOPS_ALLOWED;

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

   503   if (!mirror) {

   504     ReportJNIFatalError(thr, fatal_received_null_class);

   505   }

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

   508     ReportJNIFatalError(thr, fatal_class_not_a_class);

   509   }

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

   512   // Make allowances for primitive classes ...

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

   514     ReportJNIFatalError(thr, fatal_class_not_a_class);

   515   }

   516   return k;

   517 }

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

   520   ASSERT_OOPS_ALLOWED;

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

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

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

   525     ReportJNIFatalError(thr, fatal_class_not_a_throwable_class);

   526   }

   527 }

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

   530   /* validate the object being passed */

   531   ASSERT_OOPS_ALLOWED;

   532   jniCheck::validate_jmethod_id(thr, method_id);

   533   jniCheck::validate_object(thr, obj);

   534 }

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

   537   /* validate the class being passed */

   538   ASSERT_OOPS_ALLOWED;

   539   jniCheck::validate_jmethod_id(thr, method_id);

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

   541 }

   544 /*

   545  * IMPLEMENTATION OF FUNCTIONS IN CHECKED TABLE

   546  */

   548 JNI_ENTRY_CHECKED(jclass,

   549   checked_jni_DefineClass(JNIEnv *env,

   550                           const char *name,

   551                           jobject loader,

   552                           const jbyte *buf,

   553                           jsize len))

   554     functionEnter(thr);

   555     IN_VM(

   556       jniCheck::validate_object(thr, loader);

   557     )

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

   559     functionExit(thr);

   560     return result;

   561 JNI_END

   563 JNI_ENTRY_CHECKED(jclass,

   564   checked_jni_FindClass(JNIEnv *env,

   565                         const char *name))

   566     functionEnter(thr);

   567     IN_VM(

   568       jniCheck::validate_class_descriptor(thr, name);

   569     )

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

   571     functionExit(thr);

   572     return result;

   573 JNI_END

   575 JNI_ENTRY_CHECKED(jmethodID,

   576   checked_jni_FromReflectedMethod(JNIEnv *env,

   577                                   jobject method))

   578     functionEnter(thr);

   579     IN_VM(

   580       jniCheck::validate_object(thr, method);

   581     )

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

   583     functionExit(thr);

   584     return result;

   585 JNI_END

   587 JNI_ENTRY_CHECKED(jfieldID,

   588   checked_jni_FromReflectedField(JNIEnv *env,

   589                                  jobject field))

   590     functionEnter(thr);

   591     IN_VM(

   592       jniCheck::validate_object(thr, field);

   593     )

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

   595     functionExit(thr);

   596     return result;

   597 JNI_END

   599 JNI_ENTRY_CHECKED(jobject,

   600   checked_jni_ToReflectedMethod(JNIEnv *env,

   601                                 jclass cls,

   602                                 jmethodID methodID,

   603                                 jboolean isStatic))

   604     functionEnter(thr);

   605     IN_VM(

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

   607       jniCheck::validate_jmethod_id(thr, methodID);

   608     )

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

   610                                                     isStatic);

   611     functionExit(thr);

   612     return result;

   613 JNI_END

   615 JNI_ENTRY_CHECKED(jclass,

   616   checked_jni_GetSuperclass(JNIEnv *env,

   617                             jclass sub))

   618     functionEnter(thr);

   619     IN_VM(

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

   621     )

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

   623     functionExit(thr);

   624     return result;

   625 JNI_END

   627 JNI_ENTRY_CHECKED(jboolean,

   628   checked_jni_IsAssignableFrom(JNIEnv *env,

   629                                jclass sub,

   630                                jclass sup))

   631     functionEnter(thr);

   632     IN_VM(

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

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

   635     )

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

   637     functionExit(thr);

   638     return result;

   639 JNI_END

   641 JNI_ENTRY_CHECKED(jobject,

   642   checked_jni_ToReflectedField(JNIEnv *env,

   643                                jclass cls,

   644                                jfieldID fieldID,

   645                                jboolean isStatic))

   646     functionEnter(thr);

   647     IN_VM(

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

   649     )

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

   651                                                    isStatic);

   652     functionExit(thr);

   653     return result;

   654 JNI_END

   656 JNI_ENTRY_CHECKED(jint,

   657   checked_jni_Throw(JNIEnv *env,

   658                     jthrowable obj))

   659     functionEnter(thr);

   660     IN_VM(

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

   662       if (oopObj == NULL) {

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

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

   665       } else {

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

   667       }

   668     )

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

   670     functionExit(thr);

   671     return result;

   672 JNI_END

   674 JNI_ENTRY_CHECKED(jint,

   675   checked_jni_ThrowNew(JNIEnv *env,

   676                        jclass clazz,

   677                        const char *msg))

   678     functionEnter(thr);

   679     IN_VM(

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

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

   682       jniCheck::validate_throwable_klass(thr, k);

   683     )

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

   685     functionExit(thr);

   686     return result;

   687 JNI_END

   689 JNI_ENTRY_CHECKED(jthrowable,

   690   checked_jni_ExceptionOccurred(JNIEnv *env))

   691     thr->clear_pending_jni_exception_check();

   692     functionEnterExceptionAllowed(thr);

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

   694     functionExit(thr);

   695     return result;

   696 JNI_END

   698 JNI_ENTRY_CHECKED(void,

   699   checked_jni_ExceptionDescribe(JNIEnv *env))

   700     functionEnterExceptionAllowed(thr);

   701     UNCHECKED()->ExceptionDescribe(env);

   702     functionExit(thr);

   703 JNI_END

   705 JNI_ENTRY_CHECKED(void,

   706   checked_jni_ExceptionClear(JNIEnv *env))

   707     thr->clear_pending_jni_exception_check();

   708     functionEnterExceptionAllowed(thr);

   709     UNCHECKED()->ExceptionClear(env);

   710     functionExit(thr);

   711 JNI_END

   713 JNI_ENTRY_CHECKED(void,

   714   checked_jni_FatalError(JNIEnv *env,

   715                          const char *msg))

   716     thr->clear_pending_jni_exception_check();

   717     functionEnter(thr);

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

   719     functionExit(thr);

   720 JNI_END

   722 JNI_ENTRY_CHECKED(jint,

   723   checked_jni_PushLocalFrame(JNIEnv *env,

   724                              jint capacity))

   725     functionEnterExceptionAllowed(thr);

   726     if (capacity < 0)

   727       NativeReportJNIFatalError(thr, "negative capacity");

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

   729     if (result == JNI_OK) {

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

   731     }

   732     functionExit(thr);

   733     return result;

   734 JNI_END

   736 JNI_ENTRY_CHECKED(jobject,

   737   checked_jni_PopLocalFrame(JNIEnv *env,

   738                             jobject result))

   739     functionEnterExceptionAllowed(thr);

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

   741     functionExit(thr);

   742     return res;

   743 JNI_END

   745 JNI_ENTRY_CHECKED(jobject,

   746   checked_jni_NewGlobalRef(JNIEnv *env,

   747                            jobject lobj))

   748     functionEnter(thr);

   749     IN_VM(

   750       if (lobj != NULL) {

   751         jniCheck::validate_handle(thr, lobj);

   752       }

   753     )

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

   755     functionExit(thr);

   756     return result;

   757 JNI_END

   759 JNI_ENTRY_CHECKED(void,

   760   checked_jni_DeleteGlobalRef(JNIEnv *env,

   761                               jobject gref))

   762     functionEnterExceptionAllowed(thr);

   763     IN_VM(

   764       jniCheck::validate_object(thr, gref);

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

   766         ReportJNIFatalError(thr,

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

   768       }

   769     )

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

   771     functionExit(thr);

   772 JNI_END

   774 JNI_ENTRY_CHECKED(void,

   775   checked_jni_DeleteLocalRef(JNIEnv *env,

   776                              jobject obj))

   777     functionEnterExceptionAllowed(thr);

   778     IN_VM(

   779       jniCheck::validate_object(thr, obj);

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

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

   782         ReportJNIFatalError(thr,

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

   784     )

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

   786     functionExit(thr);

   787 JNI_END

   789 JNI_ENTRY_CHECKED(jboolean,

   790   checked_jni_IsSameObject(JNIEnv *env,

   791                            jobject obj1,

   792                            jobject obj2))

   793     functionEnterExceptionAllowed(thr);

   794     IN_VM(

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

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

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

   798        */

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

   800         jniCheck::validate_object(thr, obj1);

   801       }

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

   803         jniCheck::validate_object(thr, obj2);

   804       }

   805     )

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

   807     functionExit(thr);

   808     return result;

   809 JNI_END

   811 JNI_ENTRY_CHECKED(jobject,

   812   checked_jni_NewLocalRef(JNIEnv *env,

   813                           jobject ref))

   814     functionEnter(thr);

   815     IN_VM(

   816       if (ref != NULL) {

   817         jniCheck::validate_handle(thr, ref);

   818       }

   819     )

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

   821     functionExit(thr);

   822     return result;

   823 JNI_END

   825 JNI_ENTRY_CHECKED(jint,

   826   checked_jni_EnsureLocalCapacity(JNIEnv *env,

   827                                   jint capacity))

   828     functionEnter(thr);

   829     if (capacity < 0) {

   830       NativeReportJNIFatalError(thr, "negative capacity");

   831     }

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

   833     if (result == JNI_OK) {

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

   835     }

   836     functionExit(thr);

   837     return result;

   838 JNI_END

   840 JNI_ENTRY_CHECKED(jobject,

   841   checked_jni_AllocObject(JNIEnv *env,

   842                           jclass clazz))

   843     functionEnter(thr);

   844     IN_VM(

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

   846     )

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

   848     functionExit(thr);

   849     return result;

   850 JNI_END

   852 JNI_ENTRY_CHECKED(jobject,

   853   checked_jni_NewObject(JNIEnv *env,

   854                         jclass clazz,

   855                         jmethodID methodID,

   856                         ...))

   857     functionEnter(thr);

   858     va_list args;

   859     IN_VM(

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

   861       jniCheck::validate_jmethod_id(thr, methodID);

   862     )

   863     va_start(args, methodID);

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

   865     va_end(args);

   866     functionExit(thr);

   867     return result;

   868 JNI_END

   870 JNI_ENTRY_CHECKED(jobject,

   871   checked_jni_NewObjectV(JNIEnv *env,

   872                          jclass clazz,

   873                          jmethodID methodID,

   874                          va_list args))

   875     functionEnter(thr);

   876     IN_VM(

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

   878       jniCheck::validate_jmethod_id(thr, methodID);

   879     )

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

   881     functionExit(thr);

   882     return result;

   883 JNI_END

   885 JNI_ENTRY_CHECKED(jobject,

   886   checked_jni_NewObjectA(JNIEnv *env,

   887                          jclass clazz,

   888                          jmethodID methodID,

   889                          const jvalue *args))

   890     functionEnter(thr);

   891     IN_VM(

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

   893       jniCheck::validate_jmethod_id(thr, methodID);

   894     )

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

   896     functionExit(thr);

   897     return result;

   898 JNI_END

   900 JNI_ENTRY_CHECKED(jclass,

   901   checked_jni_GetObjectClass(JNIEnv *env,

   902                              jobject obj))

   903     functionEnter(thr);

   904     IN_VM(

   905       jniCheck::validate_object(thr, obj);

   906     )

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

   908     functionExit(thr);

   909     return result;

   910 JNI_END

   912 JNI_ENTRY_CHECKED(jboolean,

   913   checked_jni_IsInstanceOf(JNIEnv *env,

   914                            jobject obj,

   915                            jclass clazz))

   916     functionEnter(thr);

   917     IN_VM(

   918       jniCheck::validate_object(thr, obj);

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

   920     )

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

   922     functionExit(thr);

   923     return result;

   924 JNI_END

   926 JNI_ENTRY_CHECKED(jmethodID,

   927   checked_jni_GetMethodID(JNIEnv *env,

   928                           jclass clazz,

   929                           const char *name,

   930                           const char *sig))

   931     functionEnter(thr);

   932     IN_VM(

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

   934     )

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

   936     functionExit(thr);

   937     return result;

   938 JNI_END

   940 #define WRAPPER_CallMethod(ResultType, Result) \

   941 JNI_ENTRY_CHECKED(ResultType,  \

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

   943                                    jobject obj, \

   944                                    jmethodID methodID, \

   945                                    ...)) \

   946     functionEnter(thr); \

   947     va_list args; \

   948     IN_VM( \

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

   950     ) \

   951     va_start(args,methodID); \

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

   953                                                           args); \

   954     va_end(args); \

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

   956     functionExit(thr); \

   957     return result; \

   958 JNI_END \

   959 \

   960 JNI_ENTRY_CHECKED(ResultType,  \

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

   962                                     jobject obj, \

   963                                     jmethodID methodID, \

   964                                     va_list args)) \

   965     functionEnter(thr); \

   966     IN_VM(\

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

   968     ) \

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

   970                                                            args); \

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

   972     functionExit(thr); \

   973     return result; \

   974 JNI_END \

   975 \

   976 JNI_ENTRY_CHECKED(ResultType,  \

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

   978                                     jobject obj, \

   979                                     jmethodID methodID, \

   980                                     const jvalue * args)) \

   981     functionEnter(thr); \

   982     IN_VM( \

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

   984     ) \

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

   986                                                            args); \

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

   988     functionExit(thr); \

   989     return result; \

   990 JNI_END

   992 WRAPPER_CallMethod(jobject,Object)

   993 WRAPPER_CallMethod(jboolean,Boolean)

   994 WRAPPER_CallMethod(jbyte,Byte)

   995 WRAPPER_CallMethod(jshort,Short)

   996 WRAPPER_CallMethod(jchar,Char)

   997 WRAPPER_CallMethod(jint,Int)

   998 WRAPPER_CallMethod(jlong,Long)

   999 WRAPPER_CallMethod(jfloat,Float)

  1000 WRAPPER_CallMethod(jdouble,Double)

  1002 JNI_ENTRY_CHECKED(void,

  1003   checked_jni_CallVoidMethod(JNIEnv *env, \

  1004                              jobject obj, \

  1005                              jmethodID methodID, \

  1006                              ...))

  1007     functionEnter(thr);

  1008     va_list args;

  1009     IN_VM(

  1010       jniCheck::validate_call_object(thr, obj, methodID);

  1011     )

  1012     va_start(args,methodID);

  1013     UNCHECKED()->CallVoidMethodV(env,obj,methodID,args);

  1014     va_end(args);

  1015     thr->set_pending_jni_exception_check("CallVoidMethod");

  1016     functionExit(thr);

  1017 JNI_END

  1019 JNI_ENTRY_CHECKED(void,

  1020   checked_jni_CallVoidMethodV(JNIEnv *env,

  1021                               jobject obj,

  1022                               jmethodID methodID,

  1023                               va_list args))

  1024     functionEnter(thr);

  1025     IN_VM(

  1026       jniCheck::validate_call_object(thr, obj, methodID);

  1027     )

  1028     UNCHECKED()->CallVoidMethodV(env,obj,methodID,args);

  1029     thr->set_pending_jni_exception_check("CallVoidMethodV");

  1030     functionExit(thr);

  1031 JNI_END

  1033 JNI_ENTRY_CHECKED(void,

  1034   checked_jni_CallVoidMethodA(JNIEnv *env,

  1035                               jobject obj,

  1036                               jmethodID methodID,

  1037                               const jvalue * args))

  1038     functionEnter(thr);

  1039     IN_VM(

  1040       jniCheck::validate_call_object(thr, obj, methodID);

  1041     )

  1042     UNCHECKED()->CallVoidMethodA(env,obj,methodID,args);

  1043     thr->set_pending_jni_exception_check("CallVoidMethodA");

  1044     functionExit(thr);

  1045 JNI_END

  1047 #define WRAPPER_CallNonvirtualMethod(ResultType, Result) \

  1048 JNI_ENTRY_CHECKED(ResultType,  \

  1049   checked_jni_CallNonvirtual##Result##Method(JNIEnv *env, \

  1050                                              jobject obj, \

  1051                                              jclass clazz, \

  1052                                              jmethodID methodID, \

  1053                                              ...)) \

  1054     functionEnter(thr); \

  1055     va_list args; \

  1056     IN_VM( \

  1057       jniCheck::validate_call_object(thr, obj, methodID); \

  1058       jniCheck::validate_call_class(thr, clazz, methodID); \

  1059     ) \

  1060     va_start(args,methodID); \

  1061     ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodV(env, \

  1062                                                                      obj, \

  1063                                                                      clazz, \

  1064                                                                      methodID,\

  1065                                                                      args); \

  1066     va_end(args); \

  1067     thr->set_pending_jni_exception_check("CallNonvirtual"#Result"Method"); \

  1068     functionExit(thr); \

  1069     return result; \

  1070 JNI_END \

  1071 \

  1072 JNI_ENTRY_CHECKED(ResultType,  \

  1073   checked_jni_CallNonvirtual##Result##MethodV(JNIEnv *env, \

  1074                                               jobject obj, \

  1075                                               jclass clazz, \

  1076                                               jmethodID methodID, \

  1077                                               va_list args)) \

  1078     functionEnter(thr); \

  1079     IN_VM( \

  1080       jniCheck::validate_call_object(thr, obj, methodID); \

  1081       jniCheck::validate_call_class(thr, clazz, methodID); \

  1082     ) \

  1083     ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodV(env, \

  1084                                                                      obj, \

  1085                                                                      clazz, \

  1086                                                                      methodID,\

  1087                                                                      args); \

  1088     thr->set_pending_jni_exception_check("CallNonvirtual"#Result"MethodV"); \

  1089     functionExit(thr); \

  1090     return result; \

  1091 JNI_END \

  1092 \

  1093 JNI_ENTRY_CHECKED(ResultType,  \

  1094   checked_jni_CallNonvirtual##Result##MethodA(JNIEnv *env, \

  1095                                               jobject obj, \

  1096                                               jclass clazz, \

  1097                                               jmethodID methodID, \

  1098                                               const jvalue * args)) \

  1099     functionEnter(thr); \

  1100     IN_VM( \

  1101       jniCheck::validate_call_object(thr, obj, methodID); \

  1102       jniCheck::validate_call_class(thr, clazz, methodID); \

  1103     ) \

  1104     ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodA(env, \

  1105                                                                      obj, \

  1106                                                                      clazz, \

  1107                                                                      methodID,\

  1108                                                                      args); \

  1109     thr->set_pending_jni_exception_check("CallNonvirtual"#Result"MethodA"); \

  1110     functionExit(thr); \

  1111     return result; \

  1112 JNI_END

  1114 WRAPPER_CallNonvirtualMethod(jobject,Object)

  1115 WRAPPER_CallNonvirtualMethod(jboolean,Boolean)

  1116 WRAPPER_CallNonvirtualMethod(jbyte,Byte)

  1117 WRAPPER_CallNonvirtualMethod(jshort,Short)

  1118 WRAPPER_CallNonvirtualMethod(jchar,Char)

  1119 WRAPPER_CallNonvirtualMethod(jint,Int)

  1120 WRAPPER_CallNonvirtualMethod(jlong,Long)

  1121 WRAPPER_CallNonvirtualMethod(jfloat,Float)

  1122 WRAPPER_CallNonvirtualMethod(jdouble,Double)

  1124 JNI_ENTRY_CHECKED(void,

  1125   checked_jni_CallNonvirtualVoidMethod(JNIEnv *env,

  1126                                        jobject obj,

  1127                                        jclass clazz,

  1128                                        jmethodID methodID,

  1129                                        ...))

  1130     functionEnter(thr);

  1131     va_list args;

  1132     IN_VM(

  1133       jniCheck::validate_call_object(thr, obj, methodID);

  1134       jniCheck::validate_call_class(thr, clazz, methodID);

  1135     )

  1136     va_start(args,methodID);

  1137     UNCHECKED()->CallNonvirtualVoidMethodV(env,obj,clazz,methodID,args);

  1138     va_end(args);

  1139     thr->set_pending_jni_exception_check("CallNonvirtualVoidMethod");

  1140     functionExit(thr);

  1141 JNI_END

  1143 JNI_ENTRY_CHECKED(void,

  1144   checked_jni_CallNonvirtualVoidMethodV(JNIEnv *env,

  1145                                         jobject obj,

  1146                                         jclass clazz,

  1147                                         jmethodID methodID,

  1148                                         va_list args))

  1149     functionEnter(thr);

  1150     IN_VM(

  1151       jniCheck::validate_call_object(thr, obj, methodID);

  1152       jniCheck::validate_call_class(thr, clazz, methodID);

  1153     )

  1154     UNCHECKED()->CallNonvirtualVoidMethodV(env,obj,clazz,methodID,args);

  1155     thr->set_pending_jni_exception_check("CallNonvirtualVoidMethodV");

  1156     functionExit(thr);

  1157 JNI_END

  1159 JNI_ENTRY_CHECKED(void,

  1160   checked_jni_CallNonvirtualVoidMethodA(JNIEnv *env,

  1161                                         jobject obj,

  1162                                         jclass clazz,

  1163                                         jmethodID methodID,

  1164                                         const jvalue * args))

  1165     functionEnter(thr);

  1166     IN_VM(

  1167       jniCheck::validate_call_object(thr, obj, methodID);

  1168       jniCheck::validate_call_class(thr, clazz, methodID);

  1169     )

  1170     UNCHECKED()->CallNonvirtualVoidMethodA(env,obj,clazz,methodID,args);

  1171     thr->set_pending_jni_exception_check("CallNonvirtualVoidMethodA");

  1172     functionExit(thr);

  1173 JNI_END

  1175 JNI_ENTRY_CHECKED(jfieldID,

  1176   checked_jni_GetFieldID(JNIEnv *env,

  1177                          jclass clazz,

  1178                          const char *name,

  1179                          const char *sig))

  1180     functionEnter(thr);

  1181     IN_VM(

  1182       jniCheck::validate_class(thr, clazz, false);

  1183     )

  1184     jfieldID result = UNCHECKED()->GetFieldID(env,clazz,name,sig);

  1185     functionExit(thr);

  1186     return result;

  1187 JNI_END

  1189 #define WRAPPER_GetField(ReturnType,Result,FieldType) \

  1190 JNI_ENTRY_CHECKED(ReturnType,  \

  1191   checked_jni_Get##Result##Field(JNIEnv *env, \

  1192                                  jobject obj, \

  1193                                  jfieldID fieldID)) \

  1194     functionEnter(thr); \

  1195     IN_VM( \

  1196       checkInstanceFieldID(thr, fieldID, obj, FieldType); \

  1197     ) \

  1198     ReturnType result = UNCHECKED()->Get##Result##Field(env,obj,fieldID); \

  1199     functionExit(thr); \

  1200     return result; \

  1201 JNI_END

  1203 WRAPPER_GetField(jobject,  Object,  T_OBJECT)

  1204 WRAPPER_GetField(jboolean, Boolean, T_BOOLEAN)

  1205 WRAPPER_GetField(jbyte,    Byte,    T_BYTE)

  1206 WRAPPER_GetField(jshort,   Short,   T_SHORT)

  1207 WRAPPER_GetField(jchar,    Char,    T_CHAR)

  1208 WRAPPER_GetField(jint,     Int,     T_INT)

  1209 WRAPPER_GetField(jlong,    Long,    T_LONG)

  1210 WRAPPER_GetField(jfloat,   Float,   T_FLOAT)

  1211 WRAPPER_GetField(jdouble,  Double,  T_DOUBLE)

  1213 #define WRAPPER_SetField(ValueType,Result,FieldType) \

  1214 JNI_ENTRY_CHECKED(void,  \

  1215   checked_jni_Set##Result##Field(JNIEnv *env, \

  1216                                  jobject obj, \

  1217                                  jfieldID fieldID, \

  1218                                  ValueType val)) \

  1219     functionEnter(thr); \

  1220     IN_VM( \

  1221       checkInstanceFieldID(thr, fieldID, obj, FieldType); \

  1222     ) \

  1223     UNCHECKED()->Set##Result##Field(env,obj,fieldID,val); \

  1224     functionExit(thr); \

  1225 JNI_END

  1227 WRAPPER_SetField(jobject,  Object,  T_OBJECT)

  1228 WRAPPER_SetField(jboolean, Boolean, T_BOOLEAN)

  1229 WRAPPER_SetField(jbyte,    Byte,    T_BYTE)

  1230 WRAPPER_SetField(jshort,   Short,   T_SHORT)

  1231 WRAPPER_SetField(jchar,    Char,    T_CHAR)

  1232 WRAPPER_SetField(jint,     Int,     T_INT)

  1233 WRAPPER_SetField(jlong,    Long,    T_LONG)

  1234 WRAPPER_SetField(jfloat,   Float,   T_FLOAT)

  1235 WRAPPER_SetField(jdouble,  Double,  T_DOUBLE)

  1238 JNI_ENTRY_CHECKED(jmethodID,

  1239   checked_jni_GetStaticMethodID(JNIEnv *env,

  1240                                 jclass clazz,

  1241                                 const char *name,

  1242                                 const char *sig))

  1243     functionEnter(thr);

  1244     IN_VM(

  1245       jniCheck::validate_class(thr, clazz, false);

  1246     )

  1247     jmethodID result = UNCHECKED()->GetStaticMethodID(env,clazz,name,sig);

  1248     functionExit(thr);

  1249     return result;

  1250 JNI_END

  1252 #define WRAPPER_CallStaticMethod(ReturnType,Result) \

  1253 JNI_ENTRY_CHECKED(ReturnType,  \

  1254   checked_jni_CallStatic##Result##Method(JNIEnv *env, \

  1255                                          jclass clazz, \

  1256                                          jmethodID methodID, \

  1257                                          ...)) \

  1258     functionEnter(thr); \

  1259     va_list args; \

  1260     IN_VM( \

  1261       jniCheck::validate_jmethod_id(thr, methodID); \

  1262       jniCheck::validate_class(thr, clazz, false); \

  1263     ) \

  1264     va_start(args,methodID); \

  1265     ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \

  1266                                                                  clazz, \

  1267                                                                  methodID, \

  1268                                                                  args); \

  1269     va_end(args); \

  1270     thr->set_pending_jni_exception_check("CallStatic"#Result"Method"); \

  1271     functionExit(thr); \

  1272     return result; \

  1273 JNI_END \

  1274 \

  1275 JNI_ENTRY_CHECKED(ReturnType,  \

  1276   checked_jni_CallStatic##Result##MethodV(JNIEnv *env, \

  1277                                           jclass clazz, \

  1278                                           jmethodID methodID,\

  1279                                           va_list args)) \

  1280     functionEnter(thr); \

  1281     IN_VM( \

  1282       jniCheck::validate_jmethod_id(thr, methodID); \

  1283       jniCheck::validate_class(thr, clazz, false); \

  1284     ) \

  1285     ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \

  1286                                                                  clazz, \

  1287                                                                  methodID, \

  1288                                                                  args); \

  1289     thr->set_pending_jni_exception_check("CallStatic"#Result"MethodV"); \

  1290     functionExit(thr); \

  1291     return result; \

  1292 JNI_END \

  1293 \

  1294 JNI_ENTRY_CHECKED(ReturnType,  \

  1295   checked_jni_CallStatic##Result##MethodA(JNIEnv *env, \

  1296                                           jclass clazz, \

  1297                                           jmethodID methodID, \

  1298                                           const jvalue *args)) \

  1299     functionEnter(thr); \

  1300     IN_VM( \

  1301       jniCheck::validate_jmethod_id(thr, methodID); \

  1302       jniCheck::validate_class(thr, clazz, false); \

  1303     ) \

  1304     ReturnType result = UNCHECKED()->CallStatic##Result##MethodA(env, \

  1305                                                                  clazz, \

  1306                                                                  methodID, \

  1307                                                                  args); \

  1308     thr->set_pending_jni_exception_check("CallStatic"#Result"MethodA"); \

  1309     functionExit(thr); \

  1310     return result; \

  1311 JNI_END

  1313 WRAPPER_CallStaticMethod(jobject,Object)

  1314 WRAPPER_CallStaticMethod(jboolean,Boolean)

  1315 WRAPPER_CallStaticMethod(jbyte,Byte)

  1316 WRAPPER_CallStaticMethod(jshort,Short)

  1317 WRAPPER_CallStaticMethod(jchar,Char)

  1318 WRAPPER_CallStaticMethod(jint,Int)

  1319 WRAPPER_CallStaticMethod(jlong,Long)

  1320 WRAPPER_CallStaticMethod(jfloat,Float)

  1321 WRAPPER_CallStaticMethod(jdouble,Double)

  1323 JNI_ENTRY_CHECKED(void,

  1324   checked_jni_CallStaticVoidMethod(JNIEnv *env,

  1325                                    jclass cls,

  1326                                    jmethodID methodID,

  1327                                    ...))

  1328     functionEnter(thr);

  1329     va_list args;

  1330     IN_VM(

  1331       jniCheck::validate_jmethod_id(thr, methodID);

  1332       jniCheck::validate_class(thr, cls, false);

  1333     )

  1334     va_start(args,methodID);

  1335     UNCHECKED()->CallStaticVoidMethodV(env,cls,methodID,args);

  1336     va_end(args);

  1337     thr->set_pending_jni_exception_check("CallStaticVoidMethod");

  1338     functionExit(thr);

  1339 JNI_END

  1341 JNI_ENTRY_CHECKED(void,

  1342   checked_jni_CallStaticVoidMethodV(JNIEnv *env,

  1343                                     jclass cls,

  1344                                     jmethodID methodID,

  1345                                     va_list args))

  1346     functionEnter(thr);

  1347     IN_VM(

  1348       jniCheck::validate_jmethod_id(thr, methodID);

  1349       jniCheck::validate_class(thr, cls, false);

  1350     )

  1351     UNCHECKED()->CallStaticVoidMethodV(env,cls,methodID,args);

  1352     thr->set_pending_jni_exception_check("CallStaticVoidMethodV");

  1353     functionExit(thr);

  1354 JNI_END

  1356 JNI_ENTRY_CHECKED(void,

  1357   checked_jni_CallStaticVoidMethodA(JNIEnv *env,

  1358                                     jclass cls,

  1359                                     jmethodID methodID,

  1360                                     const jvalue * args))

  1361     functionEnter(thr);

  1362     IN_VM(

  1363       jniCheck::validate_jmethod_id(thr, methodID);

  1364       jniCheck::validate_class(thr, cls, false);

  1365     )

  1366     UNCHECKED()->CallStaticVoidMethodA(env,cls,methodID,args);

  1367     thr->set_pending_jni_exception_check("CallStaticVoidMethodA");

  1368     functionExit(thr);

  1369 JNI_END

  1371 JNI_ENTRY_CHECKED(jfieldID,

  1372   checked_jni_GetStaticFieldID(JNIEnv *env,

  1373                                jclass clazz,

  1374                                const char *name,

  1375                                const char *sig))

  1376     functionEnter(thr);

  1377     IN_VM(

  1378       jniCheck::validate_class(thr, clazz, false);

  1379     )

  1380     jfieldID result = UNCHECKED()->GetStaticFieldID(env,clazz,name,sig);

  1381     functionExit(thr);

  1382     return result;

  1383 JNI_END

  1385 #define WRAPPER_GetStaticField(ReturnType,Result,FieldType) \

  1386 JNI_ENTRY_CHECKED(ReturnType,  \

  1387   checked_jni_GetStatic##Result##Field(JNIEnv *env, \

  1388                                        jclass clazz, \

  1389                                        jfieldID fieldID)) \

  1390     functionEnter(thr); \

  1391     IN_VM( \

  1392       jniCheck::validate_class(thr, clazz, false); \

  1393       checkStaticFieldID(thr, fieldID, clazz, FieldType); \

  1394     ) \

  1395     ReturnType result = UNCHECKED()->GetStatic##Result##Field(env, \

  1396                                                               clazz, \

  1397                                                               fieldID); \

  1398     functionExit(thr); \

  1399     return result; \

  1400 JNI_END

  1402 WRAPPER_GetStaticField(jobject,  Object,  T_OBJECT)

  1403 WRAPPER_GetStaticField(jboolean, Boolean, T_BOOLEAN)

  1404 WRAPPER_GetStaticField(jbyte,    Byte,    T_BYTE)

  1405 WRAPPER_GetStaticField(jshort,   Short,   T_SHORT)

  1406 WRAPPER_GetStaticField(jchar,    Char,    T_CHAR)

  1407 WRAPPER_GetStaticField(jint,     Int,     T_INT)

  1408 WRAPPER_GetStaticField(jlong,    Long,    T_LONG)

  1409 WRAPPER_GetStaticField(jfloat,   Float,   T_FLOAT)

  1410 WRAPPER_GetStaticField(jdouble,  Double,  T_DOUBLE)

  1412 #define WRAPPER_SetStaticField(ValueType,Result,FieldType) \

  1413 JNI_ENTRY_CHECKED(void,  \

  1414   checked_jni_SetStatic##Result##Field(JNIEnv *env, \

  1415                                        jclass clazz, \

  1416                                        jfieldID fieldID, \

  1417                                        ValueType value)) \

  1418     functionEnter(thr); \

  1419     IN_VM( \

  1420       jniCheck::validate_class(thr, clazz, false); \

  1421       checkStaticFieldID(thr, fieldID, clazz, FieldType); \

  1422     ) \

  1423     UNCHECKED()->SetStatic##Result##Field(env,clazz,fieldID,value); \

  1424     functionExit(thr); \

  1425 JNI_END

  1427 WRAPPER_SetStaticField(jobject,  Object,  T_OBJECT)

  1428 WRAPPER_SetStaticField(jboolean, Boolean, T_BOOLEAN)

  1429 WRAPPER_SetStaticField(jbyte,    Byte,    T_BYTE)

  1430 WRAPPER_SetStaticField(jshort,   Short,   T_SHORT)

  1431 WRAPPER_SetStaticField(jchar,    Char,    T_CHAR)

  1432 WRAPPER_SetStaticField(jint,     Int,     T_INT)

  1433 WRAPPER_SetStaticField(jlong,    Long,    T_LONG)

  1434 WRAPPER_SetStaticField(jfloat,   Float,   T_FLOAT)

  1435 WRAPPER_SetStaticField(jdouble,  Double,  T_DOUBLE)

  1438 JNI_ENTRY_CHECKED(jstring,

  1439   checked_jni_NewString(JNIEnv *env,

  1440                         const jchar *unicode,

  1441                         jsize len))

  1442     functionEnter(thr);

  1443     jstring result = UNCHECKED()->NewString(env,unicode,len);

  1444     functionExit(thr);

  1445     return result;

  1446 JNI_END

  1448 JNI_ENTRY_CHECKED(jsize,

  1449   checked_jni_GetStringLength(JNIEnv *env,

  1450                               jstring str))

  1451     functionEnter(thr);

  1452     IN_VM(

  1453       checkString(thr, str);

  1454     )

  1455     jsize result = UNCHECKED()->GetStringLength(env,str);

  1456     functionExit(thr);

  1457     return result;

  1458 JNI_END

  1460 // Arbitrary (but well-known) tag

  1461 const void* STRING_TAG = (void*)0x47114711;

  1463 JNI_ENTRY_CHECKED(const jchar *,

  1464   checked_jni_GetStringChars(JNIEnv *env,

  1465                              jstring str,

  1466                              jboolean *isCopy))

  1467     functionEnter(thr);

  1468     IN_VM(

  1469       checkString(thr, str);

  1470     )

  1471     jchar* new_result = NULL;

  1472     const jchar *result = UNCHECKED()->GetStringChars(env,str,isCopy);

  1473     assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringChars didn't return a copy as expected");

  1474     if (result != NULL) {

  1475       size_t len = UNCHECKED()->GetStringLength(env,str) + 1; // + 1 for NULL termination

  1476       len *= sizeof(jchar);

  1477       new_result = (jchar*) GuardedMemory::wrap_copy(result, len, STRING_TAG);

  1478       if (new_result == NULL) {

  1479         vm_exit_out_of_memory(len, OOM_MALLOC_ERROR, "checked_jni_GetStringChars");

  1480       }

  1481       // Avoiding call to UNCHECKED()->ReleaseStringChars() since that will fire unexpected dtrace probes

  1482       // Note that the dtrace arguments for the allocated memory will not match up with this solution.

  1483       FreeHeap((char*)result);

  1484     }

  1485     functionExit(thr);

  1486     return new_result;

  1487 JNI_END

  1489 JNI_ENTRY_CHECKED(void,

  1490   checked_jni_ReleaseStringChars(JNIEnv *env,

  1491                                  jstring str,

  1492                                  const jchar *chars))

  1493     functionEnterExceptionAllowed(thr);

  1494     IN_VM(

  1495       checkString(thr, str);

  1496     )

  1497     if (chars == NULL) {

  1498        // still do the unchecked call to allow dtrace probes

  1499        UNCHECKED()->ReleaseStringChars(env,str,chars);

  1500     }

  1501     else {

  1502       GuardedMemory guarded((void*)chars);

  1503       if (!guarded.verify_guards()) {

  1504         tty->print_cr("ReleaseStringChars: release chars failed bounds check. "

  1505             "string: " PTR_FORMAT " chars: " PTR_FORMAT, p2i(str), p2i(chars));

  1506         guarded.print_on(tty);

  1507         NativeReportJNIFatalError(thr, "ReleaseStringChars: "

  1508             "release chars failed bounds check.");

  1509       }

  1510       if (guarded.get_tag() != STRING_TAG) {

  1511         tty->print_cr("ReleaseStringChars: called on something not allocated "

  1512             "by GetStringChars. string: " PTR_FORMAT " chars: " PTR_FORMAT,

  1513             p2i(str), p2i(chars));

  1514         NativeReportJNIFatalError(thr, "ReleaseStringChars called on something "

  1515             "not allocated by GetStringChars");

  1516       }

  1517        UNCHECKED()->ReleaseStringChars(env, str,

  1518            (const jchar*) guarded.release_for_freeing());

  1519     }

  1520     functionExit(thr);

  1521 JNI_END

  1523 JNI_ENTRY_CHECKED(jstring,

  1524   checked_jni_NewStringUTF(JNIEnv *env,

  1525                            const char *utf))

  1526     functionEnter(thr);

  1527     jstring result = UNCHECKED()->NewStringUTF(env,utf);

  1528     functionExit(thr);

  1529     return result;

  1530 JNI_END

  1532 JNI_ENTRY_CHECKED(jsize,

  1533   checked_jni_GetStringUTFLength(JNIEnv *env,

  1534                                  jstring str))

  1535     functionEnter(thr);

  1536     IN_VM(

  1537       checkString(thr, str);

  1538     )

  1539     jsize result = UNCHECKED()->GetStringUTFLength(env,str);

  1540     functionExit(thr);

  1541     return result;

  1542 JNI_END

  1544 // Arbitrary (but well-known) tag - different than GetStringChars

  1545 const void* STRING_UTF_TAG = (void*) 0x48124812;

  1547 JNI_ENTRY_CHECKED(const char *,

  1548   checked_jni_GetStringUTFChars(JNIEnv *env,

  1549                                 jstring str,

  1550                                 jboolean *isCopy))

  1551     functionEnter(thr);

  1552     IN_VM(

  1553       checkString(thr, str);

  1554     )

  1555     char* new_result = NULL;

  1556     const char *result = UNCHECKED()->GetStringUTFChars(env,str,isCopy);

  1557     assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringUTFChars didn't return a copy as expected");

  1558     if (result != NULL) {

  1559       size_t len = strlen(result) + 1; // + 1 for NULL termination

  1560       new_result = (char*) GuardedMemory::wrap_copy(result, len, STRING_UTF_TAG);

  1561       if (new_result == NULL) {

  1562         vm_exit_out_of_memory(len, OOM_MALLOC_ERROR, "checked_jni_GetStringUTFChars");

  1563       }

  1564       // Avoiding call to UNCHECKED()->ReleaseStringUTFChars() since that will fire unexpected dtrace probes

  1565       // Note that the dtrace arguments for the allocated memory will not match up with this solution.

  1566       FreeHeap((char*)result, mtInternal);

  1567     }

  1568     functionExit(thr);

  1569     return new_result;

  1570 JNI_END

  1572 JNI_ENTRY_CHECKED(void,

  1573   checked_jni_ReleaseStringUTFChars(JNIEnv *env,

  1574                                     jstring str,

  1575                                     const char* chars))

  1576     functionEnterExceptionAllowed(thr);

  1577     IN_VM(

  1578       checkString(thr, str);

  1579     )

  1580     if (chars == NULL) {

  1581        // still do the unchecked call to allow dtrace probes

  1582        UNCHECKED()->ReleaseStringUTFChars(env,str,chars);

  1583     }

  1584     else {

  1585       GuardedMemory guarded((void*)chars);

  1586       if (!guarded.verify_guards()) {

  1587         tty->print_cr("ReleaseStringUTFChars: release chars failed bounds check. "

  1588             "string: " PTR_FORMAT " chars: " PTR_FORMAT, p2i(str), p2i(chars));

  1589         guarded.print_on(tty);

  1590         NativeReportJNIFatalError(thr, "ReleaseStringUTFChars: "

  1591             "release chars failed bounds check.");

  1592       }

  1593       if (guarded.get_tag() != STRING_UTF_TAG) {

  1594         tty->print_cr("ReleaseStringUTFChars: called on something not "

  1595             "allocated by GetStringUTFChars. string: " PTR_FORMAT " chars: "

  1596             PTR_FORMAT, p2i(str), p2i(chars));

  1597         NativeReportJNIFatalError(thr, "ReleaseStringUTFChars "

  1598             "called on something not allocated by GetStringUTFChars");

  1599       }

  1600       UNCHECKED()->ReleaseStringUTFChars(env, str,

  1601           (const char*) guarded.release_for_freeing());

  1602     }

  1603     functionExit(thr);

  1604 JNI_END

  1606 JNI_ENTRY_CHECKED(jsize,

  1607   checked_jni_GetArrayLength(JNIEnv *env,

  1608                              jarray array))

  1609     functionEnter(thr);

  1610     IN_VM(

  1611       check_is_array(thr, array);

  1612     )

  1613     jsize result = UNCHECKED()->GetArrayLength(env,array);

  1614     functionExit(thr);

  1615     return result;

  1616 JNI_END

  1618 JNI_ENTRY_CHECKED(jobjectArray,

  1619   checked_jni_NewObjectArray(JNIEnv *env,

  1620                              jsize len,

  1621                              jclass clazz,

  1622                              jobject init))

  1623     functionEnter(thr);

  1624     jobjectArray result = UNCHECKED()->NewObjectArray(env,len,clazz,init);

  1625     functionExit(thr);

  1626     return result;

  1627 JNI_END

  1629 JNI_ENTRY_CHECKED(jobject,

  1630   checked_jni_GetObjectArrayElement(JNIEnv *env,

  1631                                     jobjectArray array,

  1632                                     jsize index))

  1633     functionEnter(thr);

  1634     IN_VM(

  1635       check_is_obj_array(thr, array);

  1636     )

  1637     jobject result = UNCHECKED()->GetObjectArrayElement(env,array,index);

  1638     functionExit(thr);

  1639     return result;

  1640 JNI_END

  1642 JNI_ENTRY_CHECKED(void,

  1643   checked_jni_SetObjectArrayElement(JNIEnv *env,

  1644                                     jobjectArray array,

  1645                                     jsize index,

  1646                                     jobject val))

  1647     functionEnter(thr);

  1648     IN_VM(

  1649       check_is_obj_array(thr, array);

  1650     )

  1651     UNCHECKED()->SetObjectArrayElement(env,array,index,val);

  1652     functionExit(thr);

  1653 JNI_END

  1655 #define WRAPPER_NewScalarArray(Return, Result) \

  1656 JNI_ENTRY_CHECKED(Return, \

  1657   checked_jni_New##Result##Array(JNIEnv *env, \

  1658                                  jsize len)) \

  1659     functionEnter(thr); \

  1660     Return result = UNCHECKED()->New##Result##Array(env,len); \

  1661     functionExit(thr); \

  1662     return (Return) result; \

  1663 JNI_END

  1665 WRAPPER_NewScalarArray(jbooleanArray, Boolean)

  1666 WRAPPER_NewScalarArray(jbyteArray, Byte)

  1667 WRAPPER_NewScalarArray(jshortArray, Short)

  1668 WRAPPER_NewScalarArray(jcharArray, Char)

  1669 WRAPPER_NewScalarArray(jintArray, Int)

  1670 WRAPPER_NewScalarArray(jlongArray, Long)

  1671 WRAPPER_NewScalarArray(jfloatArray, Float)

  1672 WRAPPER_NewScalarArray(jdoubleArray, Double)

  1674 #define WRAPPER_GetScalarArrayElements(ElementTag,ElementType,Result) \

  1675 JNI_ENTRY_CHECKED(ElementType *,  \

  1676   checked_jni_Get##Result##ArrayElements(JNIEnv *env, \

  1677                                          ElementType##Array array, \

  1678                                          jboolean *isCopy)) \

  1679     functionEnter(thr); \

  1680     IN_VM( \

  1681       check_primitive_array_type(thr, array, ElementTag); \

  1682     ) \

  1683     ElementType *result = UNCHECKED()->Get##Result##ArrayElements(env, \

  1684                                                                   array, \

  1685                                                                   isCopy); \

  1686     if (result != NULL) { \

  1687       result = (ElementType *) check_jni_wrap_copy_array(thr, array, result); \

  1688     } \

  1689     functionExit(thr); \

  1690     return result; \

  1691 JNI_END

  1693 WRAPPER_GetScalarArrayElements(T_BOOLEAN, jboolean, Boolean)

  1694 WRAPPER_GetScalarArrayElements(T_BYTE,    jbyte,    Byte)

  1695 WRAPPER_GetScalarArrayElements(T_SHORT,   jshort,   Short)

  1696 WRAPPER_GetScalarArrayElements(T_CHAR,    jchar,    Char)

  1697 WRAPPER_GetScalarArrayElements(T_INT,     jint,     Int)

  1698 WRAPPER_GetScalarArrayElements(T_LONG,    jlong,    Long)

  1699 WRAPPER_GetScalarArrayElements(T_FLOAT,   jfloat,   Float)

  1700 WRAPPER_GetScalarArrayElements(T_DOUBLE,  jdouble,  Double)

  1702 #define WRAPPER_ReleaseScalarArrayElements(ElementTag,ElementType,Result,Tag) \

  1703 JNI_ENTRY_CHECKED(void,  \

  1704   checked_jni_Release##Result##ArrayElements(JNIEnv *env, \

  1705                                              ElementType##Array array, \

  1706                                              ElementType *elems, \

  1707                                              jint mode)) \

  1708     functionEnterExceptionAllowed(thr); \

  1709     IN_VM( \

  1710       check_primitive_array_type(thr, array, ElementTag); \

  1711       ASSERT_OOPS_ALLOWED; \

  1712       typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \

  1713     ) \

  1714     ElementType* orig_result = (ElementType *) check_wrapped_array_release( \

  1715         thr, "checked_jni_Release"#Result"ArrayElements", array, elems, mode); \

  1716     UNCHECKED()->Release##Result##ArrayElements(env, array, orig_result, mode); \

  1717     functionExit(thr); \

  1718 JNI_END

  1720 WRAPPER_ReleaseScalarArrayElements(T_BOOLEAN,jboolean, Boolean, bool)

  1721 WRAPPER_ReleaseScalarArrayElements(T_BYTE,   jbyte,    Byte,    byte)

  1722 WRAPPER_ReleaseScalarArrayElements(T_SHORT,  jshort,   Short,   short)

  1723 WRAPPER_ReleaseScalarArrayElements(T_CHAR,   jchar,    Char,    char)

  1724 WRAPPER_ReleaseScalarArrayElements(T_INT,    jint,     Int,     int)

  1725 WRAPPER_ReleaseScalarArrayElements(T_LONG,   jlong,    Long,    long)

  1726 WRAPPER_ReleaseScalarArrayElements(T_FLOAT,  jfloat,   Float,   float)

  1727 WRAPPER_ReleaseScalarArrayElements(T_DOUBLE, jdouble,  Double,  double)

  1729 #define WRAPPER_GetScalarArrayRegion(ElementTag,ElementType,Result) \

  1730 JNI_ENTRY_CHECKED(void,  \

  1731   checked_jni_Get##Result##ArrayRegion(JNIEnv *env, \

  1732                                        ElementType##Array array, \

  1733                                        jsize start, \

  1734                                        jsize len, \

  1735                                        ElementType *buf)) \

  1736     functionEnter(thr); \

  1737     IN_VM( \

  1738       check_primitive_array_type(thr, array, ElementTag); \

  1739     ) \

  1740     UNCHECKED()->Get##Result##ArrayRegion(env,array,start,len,buf); \

  1741     functionExit(thr); \

  1742 JNI_END

  1744 WRAPPER_GetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean)

  1745 WRAPPER_GetScalarArrayRegion(T_BYTE,    jbyte,    Byte)

  1746 WRAPPER_GetScalarArrayRegion(T_SHORT,   jshort,   Short)

  1747 WRAPPER_GetScalarArrayRegion(T_CHAR,    jchar,    Char)

  1748 WRAPPER_GetScalarArrayRegion(T_INT,     jint,     Int)

  1749 WRAPPER_GetScalarArrayRegion(T_LONG,    jlong,    Long)

  1750 WRAPPER_GetScalarArrayRegion(T_FLOAT,   jfloat,   Float)

  1751 WRAPPER_GetScalarArrayRegion(T_DOUBLE,  jdouble,  Double)

  1753 #define WRAPPER_SetScalarArrayRegion(ElementTag,ElementType,Result) \

  1754 JNI_ENTRY_CHECKED(void,  \

  1755   checked_jni_Set##Result##ArrayRegion(JNIEnv *env, \

  1756                                        ElementType##Array array, \

  1757                                        jsize start, \

  1758                                        jsize len, \

  1759                                        const ElementType *buf)) \

  1760     functionEnter(thr); \

  1761     IN_VM( \

  1762       check_primitive_array_type(thr, array, ElementTag); \

  1763     ) \

  1764     UNCHECKED()->Set##Result##ArrayRegion(env,array,start,len,buf); \

  1765     functionExit(thr); \

  1766 JNI_END

  1768 WRAPPER_SetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean)

  1769 WRAPPER_SetScalarArrayRegion(T_BYTE,    jbyte,    Byte)

  1770 WRAPPER_SetScalarArrayRegion(T_SHORT,   jshort,   Short)

  1771 WRAPPER_SetScalarArrayRegion(T_CHAR,    jchar,    Char)

  1772 WRAPPER_SetScalarArrayRegion(T_INT,     jint,     Int)

  1773 WRAPPER_SetScalarArrayRegion(T_LONG,    jlong,    Long)

  1774 WRAPPER_SetScalarArrayRegion(T_FLOAT,   jfloat,   Float)

  1775 WRAPPER_SetScalarArrayRegion(T_DOUBLE,  jdouble,  Double)

  1777 JNI_ENTRY_CHECKED(jint,

  1778   checked_jni_RegisterNatives(JNIEnv *env,

  1779                               jclass clazz,

  1780                               const JNINativeMethod *methods,

  1781                               jint nMethods))

  1782     functionEnter(thr);

  1783     jint result = UNCHECKED()->RegisterNatives(env,clazz,methods,nMethods);

  1784     functionExit(thr);

  1785     return result;

  1786 JNI_END

  1788 JNI_ENTRY_CHECKED(jint,

  1789   checked_jni_UnregisterNatives(JNIEnv *env,

  1790                                 jclass clazz))

  1791     functionEnter(thr);

  1792     jint result = UNCHECKED()->UnregisterNatives(env,clazz);

  1793     functionExit(thr);

  1794     return result;

  1795 JNI_END

  1797 JNI_ENTRY_CHECKED(jint,

  1798   checked_jni_MonitorEnter(JNIEnv *env,

  1799                            jobject obj))

  1800     functionEnter(thr);

  1801     IN_VM(

  1802       jniCheck::validate_object(thr, obj);

  1803     )

  1804     jint result = UNCHECKED()->MonitorEnter(env,obj);

  1805     functionExit(thr);

  1806     return result;

  1807 JNI_END

  1809 JNI_ENTRY_CHECKED(jint,

  1810   checked_jni_MonitorExit(JNIEnv *env,

  1811                           jobject obj))

  1812     functionEnterExceptionAllowed(thr);

  1813     IN_VM(

  1814       jniCheck::validate_object(thr, obj);

  1815     )

  1816     jint result = UNCHECKED()->MonitorExit(env,obj);

  1817     functionExit(thr);

  1818     return result;

  1819 JNI_END

  1821 JNI_ENTRY_CHECKED(jint,

  1822   checked_jni_GetJavaVM(JNIEnv *env,

  1823                         JavaVM **vm))

  1824     functionEnter(thr);

  1825     jint result = UNCHECKED()->GetJavaVM(env,vm);

  1826     functionExit(thr);

  1827     return result;

  1828 JNI_END

  1830 JNI_ENTRY_CHECKED(void,

  1831   checked_jni_GetStringRegion(JNIEnv *env,

  1832                               jstring str,

  1833                               jsize start,

  1834                               jsize len,

  1835                               jchar *buf))

  1836     functionEnter(thr);

  1837     IN_VM(

  1838       checkString(thr, str);

  1839     )

  1840     UNCHECKED()->GetStringRegion(env, str, start, len, buf);

  1841     functionExit(thr);

  1842 JNI_END

  1844 JNI_ENTRY_CHECKED(void,

  1845   checked_jni_GetStringUTFRegion(JNIEnv *env,

  1846                                  jstring str,

  1847                                  jsize start,

  1848                                  jsize len,

  1849                                  char *buf))

  1850     functionEnter(thr);

  1851     IN_VM(

  1852       checkString(thr, str);

  1853     )

  1854     UNCHECKED()->GetStringUTFRegion(env, str, start, len, buf);

  1855     functionExit(thr);

  1856 JNI_END

  1858 JNI_ENTRY_CHECKED(void *,

  1859   checked_jni_GetPrimitiveArrayCritical(JNIEnv *env,

  1860                                         jarray array,

  1861                                         jboolean *isCopy))

  1862     functionEnterCritical(thr);

  1863     IN_VM(

  1864       check_is_primitive_array(thr, array);

  1865     )

  1866     void *result = UNCHECKED()->GetPrimitiveArrayCritical(env, array, isCopy);

  1867     if (result != NULL) {

  1868       result = check_jni_wrap_copy_array(thr, array, result);

  1869     }

  1870     functionExit(thr);

  1871     return result;

  1872 JNI_END

  1874 JNI_ENTRY_CHECKED(void,

  1875   checked_jni_ReleasePrimitiveArrayCritical(JNIEnv *env,

  1876                                             jarray array,

  1877                                             void *carray,

  1878                                             jint mode))

  1879     functionEnterCriticalExceptionAllowed(thr);

  1880     IN_VM(

  1881       check_is_primitive_array(thr, array);

  1882     )

  1883     // Check the element array...

  1884     void* orig_result = check_wrapped_array_release(thr, "ReleasePrimitiveArrayCritical", array, carray, mode);

  1885     UNCHECKED()->ReleasePrimitiveArrayCritical(env, array, orig_result, mode);

  1886     functionExit(thr);

  1887 JNI_END

  1889 JNI_ENTRY_CHECKED(const jchar*,

  1890   checked_jni_GetStringCritical(JNIEnv *env,

  1891                                 jstring string,

  1892                                 jboolean *isCopy))

  1893     functionEnterCritical(thr);

  1894     IN_VM(

  1895       checkString(thr, string);

  1896     )

  1897     const jchar *result = UNCHECKED()->GetStringCritical(env, string, isCopy);

  1898     functionExit(thr);

  1899     return result;

  1900 JNI_END

  1902 JNI_ENTRY_CHECKED(void,

  1903   checked_jni_ReleaseStringCritical(JNIEnv *env,

  1904                                     jstring str,

  1905                                     const jchar *chars))

  1906     functionEnterCriticalExceptionAllowed(thr);

  1907     IN_VM(

  1908       checkString(thr, str);

  1909     )

  1910     /* The Hotspot JNI code does not use the parameters, so just check the

  1911      * string parameter as a minor sanity check

  1912      */

  1913     UNCHECKED()->ReleaseStringCritical(env, str, chars);

  1914     functionExit(thr);

  1915 JNI_END

  1917 JNI_ENTRY_CHECKED(jweak,

  1918   checked_jni_NewWeakGlobalRef(JNIEnv *env,

  1919                                jobject obj))

  1920     functionEnter(thr);

  1921     IN_VM(

  1922       if (obj != NULL) {

  1923         jniCheck::validate_handle(thr, obj);

  1924       }

  1925     )

  1926     jweak result = UNCHECKED()->NewWeakGlobalRef(env, obj);

  1927     functionExit(thr);

  1928     return result;

  1929 JNI_END

  1931 JNI_ENTRY_CHECKED(void,

  1932   checked_jni_DeleteWeakGlobalRef(JNIEnv *env,

  1933                                   jweak ref))

  1934     functionEnterExceptionAllowed(thr);

  1935     UNCHECKED()->DeleteWeakGlobalRef(env, ref);

  1936     functionExit(thr);

  1937 JNI_END

  1939 JNI_ENTRY_CHECKED(jboolean,

  1940   checked_jni_ExceptionCheck(JNIEnv *env))

  1941     thr->clear_pending_jni_exception_check();

  1942     functionEnterExceptionAllowed(thr);

  1943     jboolean result = UNCHECKED()->ExceptionCheck(env);

  1944     functionExit(thr);

  1945     return result;

  1946 JNI_END

  1948 JNI_ENTRY_CHECKED(jobject,

  1949   checked_jni_NewDirectByteBuffer(JNIEnv *env,

  1950                                   void *address,

  1951                                   jlong capacity))

  1952     functionEnter(thr);

  1953     jobject result = UNCHECKED()->NewDirectByteBuffer(env, address, capacity);

  1954     functionExit(thr);

  1955     return result;

  1956 JNI_END

  1958 JNI_ENTRY_CHECKED(void *,

  1959   checked_jni_GetDirectBufferAddress(JNIEnv *env,

  1960                                      jobject buf))

  1961     functionEnter(thr);

  1962     void* result = UNCHECKED()->GetDirectBufferAddress(env, buf);

  1963     functionExit(thr);

  1964     return result;

  1965 JNI_END

  1967 JNI_ENTRY_CHECKED(jlong,

  1968   checked_jni_GetDirectBufferCapacity(JNIEnv *env,

  1969                                       jobject buf))

  1970     functionEnter(thr);

  1971     jlong result = UNCHECKED()->GetDirectBufferCapacity(env, buf);

  1972     functionExit(thr);

  1973     return result;

  1974 JNI_END

  1976 JNI_ENTRY_CHECKED(jobjectRefType,

  1977   checked_jni_GetObjectRefType(JNIEnv *env,

  1978                                jobject obj))

  1979     functionEnter(thr);

  1980     /* validate the object being passed */

  1981     IN_VM(

  1982       jniCheck::validate_object(thr, obj);

  1983     )

  1984     jobjectRefType result = UNCHECKED()->GetObjectRefType(env, obj);

  1985     functionExit(thr);

  1986     return result;

  1987 JNI_END

  1990 JNI_ENTRY_CHECKED(jint,

  1991   checked_jni_GetVersion(JNIEnv *env))

  1992     functionEnter(thr);

  1993     jint result = UNCHECKED()->GetVersion(env);

  1994     functionExit(thr);

  1995     return result;

  1996 JNI_END

  2000 /*

  2001  * Structure containing all checked jni functions

  2002  */

  2003 struct JNINativeInterface_  checked_jni_NativeInterface = {

  2004     NULL,

  2005     NULL,

  2006     NULL,

  2008     NULL,

  2010     checked_jni_GetVersion,

  2012     checked_jni_DefineClass,

  2013     checked_jni_FindClass,

  2015     checked_jni_FromReflectedMethod,

  2016     checked_jni_FromReflectedField,

  2018     checked_jni_ToReflectedMethod,

  2020     checked_jni_GetSuperclass,

  2021     checked_jni_IsAssignableFrom,

  2023     checked_jni_ToReflectedField,

  2025     checked_jni_Throw,

  2026     checked_jni_ThrowNew,

  2027     checked_jni_ExceptionOccurred,

  2028     checked_jni_ExceptionDescribe,

  2029     checked_jni_ExceptionClear,

  2030     checked_jni_FatalError,

  2032     checked_jni_PushLocalFrame,

  2033     checked_jni_PopLocalFrame,

  2035     checked_jni_NewGlobalRef,

  2036     checked_jni_DeleteGlobalRef,

  2037     checked_jni_DeleteLocalRef,

  2038     checked_jni_IsSameObject,

  2040     checked_jni_NewLocalRef,

  2041     checked_jni_EnsureLocalCapacity,

  2043     checked_jni_AllocObject,

  2044     checked_jni_NewObject,

  2045     checked_jni_NewObjectV,

  2046     checked_jni_NewObjectA,

  2048     checked_jni_GetObjectClass,

  2049     checked_jni_IsInstanceOf,

  2051     checked_jni_GetMethodID,

  2053     checked_jni_CallObjectMethod,

  2054     checked_jni_CallObjectMethodV,

  2055     checked_jni_CallObjectMethodA,

  2056     checked_jni_CallBooleanMethod,

  2057     checked_jni_CallBooleanMethodV,

  2058     checked_jni_CallBooleanMethodA,

  2059     checked_jni_CallByteMethod,

  2060     checked_jni_CallByteMethodV,

  2061     checked_jni_CallByteMethodA,

  2062     checked_jni_CallCharMethod,

  2063     checked_jni_CallCharMethodV,

  2064     checked_jni_CallCharMethodA,

  2065     checked_jni_CallShortMethod,

  2066     checked_jni_CallShortMethodV,

  2067     checked_jni_CallShortMethodA,

  2068     checked_jni_CallIntMethod,

  2069     checked_jni_CallIntMethodV,

  2070     checked_jni_CallIntMethodA,

  2071     checked_jni_CallLongMethod,

  2072     checked_jni_CallLongMethodV,

  2073     checked_jni_CallLongMethodA,

  2074     checked_jni_CallFloatMethod,

  2075     checked_jni_CallFloatMethodV,

  2076     checked_jni_CallFloatMethodA,

  2077     checked_jni_CallDoubleMethod,

  2078     checked_jni_CallDoubleMethodV,

  2079     checked_jni_CallDoubleMethodA,

  2080     checked_jni_CallVoidMethod,

  2081     checked_jni_CallVoidMethodV,

  2082     checked_jni_CallVoidMethodA,

  2084     checked_jni_CallNonvirtualObjectMethod,

  2085     checked_jni_CallNonvirtualObjectMethodV,

  2086     checked_jni_CallNonvirtualObjectMethodA,

  2087     checked_jni_CallNonvirtualBooleanMethod,

  2088     checked_jni_CallNonvirtualBooleanMethodV,

  2089     checked_jni_CallNonvirtualBooleanMethodA,

  2090     checked_jni_CallNonvirtualByteMethod,

  2091     checked_jni_CallNonvirtualByteMethodV,

  2092     checked_jni_CallNonvirtualByteMethodA,

  2093     checked_jni_CallNonvirtualCharMethod,

  2094     checked_jni_CallNonvirtualCharMethodV,

  2095     checked_jni_CallNonvirtualCharMethodA,

  2096     checked_jni_CallNonvirtualShortMethod,

  2097     checked_jni_CallNonvirtualShortMethodV,

  2098     checked_jni_CallNonvirtualShortMethodA,

  2099     checked_jni_CallNonvirtualIntMethod,

  2100     checked_jni_CallNonvirtualIntMethodV,

  2101     checked_jni_CallNonvirtualIntMethodA,

  2102     checked_jni_CallNonvirtualLongMethod,

  2103     checked_jni_CallNonvirtualLongMethodV,

  2104     checked_jni_CallNonvirtualLongMethodA,

  2105     checked_jni_CallNonvirtualFloatMethod,

  2106     checked_jni_CallNonvirtualFloatMethodV,

  2107     checked_jni_CallNonvirtualFloatMethodA,

  2108     checked_jni_CallNonvirtualDoubleMethod,

  2109     checked_jni_CallNonvirtualDoubleMethodV,

  2110     checked_jni_CallNonvirtualDoubleMethodA,

  2111     checked_jni_CallNonvirtualVoidMethod,

  2112     checked_jni_CallNonvirtualVoidMethodV,

  2113     checked_jni_CallNonvirtualVoidMethodA,

  2115     checked_jni_GetFieldID,

  2117     checked_jni_GetObjectField,

  2118     checked_jni_GetBooleanField,

  2119     checked_jni_GetByteField,

  2120     checked_jni_GetCharField,

  2121     checked_jni_GetShortField,

  2122     checked_jni_GetIntField,

  2123     checked_jni_GetLongField,

  2124     checked_jni_GetFloatField,

  2125     checked_jni_GetDoubleField,

  2127     checked_jni_SetObjectField,

  2128     checked_jni_SetBooleanField,

  2129     checked_jni_SetByteField,

  2130     checked_jni_SetCharField,

  2131     checked_jni_SetShortField,

  2132     checked_jni_SetIntField,

  2133     checked_jni_SetLongField,

  2134     checked_jni_SetFloatField,

  2135     checked_jni_SetDoubleField,

  2137     checked_jni_GetStaticMethodID,

  2139     checked_jni_CallStaticObjectMethod,

  2140     checked_jni_CallStaticObjectMethodV,

  2141     checked_jni_CallStaticObjectMethodA,

  2142     checked_jni_CallStaticBooleanMethod,

  2143     checked_jni_CallStaticBooleanMethodV,

  2144     checked_jni_CallStaticBooleanMethodA,

  2145     checked_jni_CallStaticByteMethod,

  2146     checked_jni_CallStaticByteMethodV,

  2147     checked_jni_CallStaticByteMethodA,

  2148     checked_jni_CallStaticCharMethod,

  2149     checked_jni_CallStaticCharMethodV,

  2150     checked_jni_CallStaticCharMethodA,

  2151     checked_jni_CallStaticShortMethod,

  2152     checked_jni_CallStaticShortMethodV,

  2153     checked_jni_CallStaticShortMethodA,

  2154     checked_jni_CallStaticIntMethod,

  2155     checked_jni_CallStaticIntMethodV,

  2156     checked_jni_CallStaticIntMethodA,

  2157     checked_jni_CallStaticLongMethod,

  2158     checked_jni_CallStaticLongMethodV,

  2159     checked_jni_CallStaticLongMethodA,

  2160     checked_jni_CallStaticFloatMethod,

  2161     checked_jni_CallStaticFloatMethodV,

  2162     checked_jni_CallStaticFloatMethodA,

  2163     checked_jni_CallStaticDoubleMethod,

  2164     checked_jni_CallStaticDoubleMethodV,

  2165     checked_jni_CallStaticDoubleMethodA,

  2166     checked_jni_CallStaticVoidMethod,

  2167     checked_jni_CallStaticVoidMethodV,

  2168     checked_jni_CallStaticVoidMethodA,

  2170     checked_jni_GetStaticFieldID,

  2172     checked_jni_GetStaticObjectField,

  2173     checked_jni_GetStaticBooleanField,

  2174     checked_jni_GetStaticByteField,

  2175     checked_jni_GetStaticCharField,

  2176     checked_jni_GetStaticShortField,

  2177     checked_jni_GetStaticIntField,

  2178     checked_jni_GetStaticLongField,

  2179     checked_jni_GetStaticFloatField,

  2180     checked_jni_GetStaticDoubleField,

  2182     checked_jni_SetStaticObjectField,

  2183     checked_jni_SetStaticBooleanField,

  2184     checked_jni_SetStaticByteField,

  2185     checked_jni_SetStaticCharField,

  2186     checked_jni_SetStaticShortField,

  2187     checked_jni_SetStaticIntField,

  2188     checked_jni_SetStaticLongField,

  2189     checked_jni_SetStaticFloatField,

  2190     checked_jni_SetStaticDoubleField,

  2192     checked_jni_NewString,

  2193     checked_jni_GetStringLength,

  2194     checked_jni_GetStringChars,

  2195     checked_jni_ReleaseStringChars,

  2197     checked_jni_NewStringUTF,

  2198     checked_jni_GetStringUTFLength,

  2199     checked_jni_GetStringUTFChars,

  2200     checked_jni_ReleaseStringUTFChars,

  2202     checked_jni_GetArrayLength,

  2204     checked_jni_NewObjectArray,

  2205     checked_jni_GetObjectArrayElement,

  2206     checked_jni_SetObjectArrayElement,

  2208     checked_jni_NewBooleanArray,

  2209     checked_jni_NewByteArray,

  2210     checked_jni_NewCharArray,

  2211     checked_jni_NewShortArray,

  2212     checked_jni_NewIntArray,

  2213     checked_jni_NewLongArray,

  2214     checked_jni_NewFloatArray,

  2215     checked_jni_NewDoubleArray,

  2217     checked_jni_GetBooleanArrayElements,

  2218     checked_jni_GetByteArrayElements,

  2219     checked_jni_GetCharArrayElements,

  2220     checked_jni_GetShortArrayElements,

  2221     checked_jni_GetIntArrayElements,

  2222     checked_jni_GetLongArrayElements,

  2223     checked_jni_GetFloatArrayElements,

  2224     checked_jni_GetDoubleArrayElements,

  2226     checked_jni_ReleaseBooleanArrayElements,

  2227     checked_jni_ReleaseByteArrayElements,

  2228     checked_jni_ReleaseCharArrayElements,

  2229     checked_jni_ReleaseShortArrayElements,

  2230     checked_jni_ReleaseIntArrayElements,

  2231     checked_jni_ReleaseLongArrayElements,

  2232     checked_jni_ReleaseFloatArrayElements,

  2233     checked_jni_ReleaseDoubleArrayElements,

  2235     checked_jni_GetBooleanArrayRegion,

  2236     checked_jni_GetByteArrayRegion,

  2237     checked_jni_GetCharArrayRegion,

  2238     checked_jni_GetShortArrayRegion,

  2239     checked_jni_GetIntArrayRegion,

  2240     checked_jni_GetLongArrayRegion,

  2241     checked_jni_GetFloatArrayRegion,

  2242     checked_jni_GetDoubleArrayRegion,

  2244     checked_jni_SetBooleanArrayRegion,

  2245     checked_jni_SetByteArrayRegion,

  2246     checked_jni_SetCharArrayRegion,

  2247     checked_jni_SetShortArrayRegion,

  2248     checked_jni_SetIntArrayRegion,

  2249     checked_jni_SetLongArrayRegion,

  2250     checked_jni_SetFloatArrayRegion,

  2251     checked_jni_SetDoubleArrayRegion,

  2253     checked_jni_RegisterNatives,

  2254     checked_jni_UnregisterNatives,

  2256     checked_jni_MonitorEnter,

  2257     checked_jni_MonitorExit,

  2259     checked_jni_GetJavaVM,

  2261     checked_jni_GetStringRegion,

  2262     checked_jni_GetStringUTFRegion,

  2264     checked_jni_GetPrimitiveArrayCritical,

  2265     checked_jni_ReleasePrimitiveArrayCritical,

  2267     checked_jni_GetStringCritical,

  2268     checked_jni_ReleaseStringCritical,

  2270     checked_jni_NewWeakGlobalRef,

  2271     checked_jni_DeleteWeakGlobalRef,

  2273     checked_jni_ExceptionCheck,

  2275     checked_jni_NewDirectByteBuffer,

  2276     checked_jni_GetDirectBufferAddress,

  2277     checked_jni_GetDirectBufferCapacity,

  2279     // New 1.6 Features

  2281     checked_jni_GetObjectRefType

  2282 };

  2285 // Returns the function structure

  2286 struct JNINativeInterface_* jni_functions_check() {

  2288   unchecked_jni_NativeInterface = jni_functions_nocheck();

  2290   // make sure the last pointer in the checked table is not null, indicating

  2291   // an addition to the JNINativeInterface_ structure without initializing

  2292   // it in the checked table.

  2293   debug_only(int *lastPtr = (int *)((char *)&checked_jni_NativeInterface + \

  2294              sizeof(*unchecked_jni_NativeInterface) - sizeof(char *));)

  2295   assert(*lastPtr != 0,

  2296          "Mismatched JNINativeInterface tables, check for new entries");

  2298   // with -verbose:jni this message will print

  2299   if (PrintJNIResolving) {

  2300     tty->print_cr("Checked JNI functions are being used to " \

  2301                   "validate JNI usage");

  2302   }

  2304   return &checked_jni_NativeInterface;

  2305 }

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

src/share/vm/prims/jniCheck.cpp@d64fa7b92b5b

src/share/vm/prims/jniCheck.cpp