jdk8-mips64-public/hotspot: src/share/vm/prims/jniCheck.cpp@04ff2f6cd0eb

     1 /*

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

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

     4  *

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

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

     7  * published by the Free Software Foundation.

     8  *

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

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

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

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

    13  * accompanied this code).

    14  *

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

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

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

    18  *

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

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

    21  * questions.

    22  *

    23  */

    25 /*

    26  * This file has been modified by Loongson Technology in 2015. These

    27  * modifications are Copyright (c) 2015 Loongson Technology, and are made

    28  * available on the same license terms set forth above.

    29  */

    31 #include "precompiled.hpp"

    32 #include "classfile/systemDictionary.hpp"

    33 #include "classfile/vmSymbols.hpp"

    34 #include "memory/guardedMemory.hpp"

    35 #include "oops/instanceKlass.hpp"

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

    37 #include "oops/symbol.hpp"

    38 #include "prims/jni.h"

    39 #include "prims/jniCheck.hpp"

    40 #include "prims/jvm_misc.hpp"

    41 #include "runtime/fieldDescriptor.hpp"

    42 #include "runtime/handles.hpp"

    43 #include "runtime/interfaceSupport.hpp"

    44 #include "runtime/jfieldIDWorkaround.hpp"

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

    46 #ifdef TARGET_ARCH_x86

    47 # include "jniTypes_x86.hpp"

    48 #endif

    49 #ifdef TARGET_ARCH_sparc

    50 # include "jniTypes_sparc.hpp"

    51 #endif

    52 #ifdef TARGET_ARCH_zero

    53 # include "jniTypes_zero.hpp"

    54 #endif

    55 #ifdef TARGET_ARCH_arm

    56 # include "jniTypes_arm.hpp"

    57 #endif

    58 #ifdef TARGET_ARCH_ppc

    59 # include "jniTypes_ppc.hpp"

    60 #endif

    61 #ifdef TARGET_ARCH_mips

    62 # include "jniTypes_mips.hpp"

    63 #endif

    65 // Complain every extra number of unplanned local refs

    66 #define CHECK_JNI_LOCAL_REF_CAP_WARN_THRESHOLD 32

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

    69 // not in native code.

    71 #define ASSERT_OOPS_ALLOWED                                          \

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

    73            "jniCheck examining oops in bad state.")

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

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

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

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

    80 // NATIVE state.

    82 #define IN_VM(source_code)   {                                         \

    83     {                                                                  \

    84       ThreadInVMfromNative __tiv(thr);                                 \

    85       source_code                                                      \

    86     }                                                                  \

    87   }

    90 /*

    91  * DECLARATIONS

    92  */

    94 static struct JNINativeInterface_ * unchecked_jni_NativeInterface;

    97 /*

    98  * MACRO DEFINITIONS

    99  */

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

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

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

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

   106 // assertions in the wrapper routines might fire

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

   110 #define JNI_ENTRY_CHECKED(result_type, header)                           \

   111 extern "C" {                                                             \

   112   result_type JNICALL header {                                           \

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

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

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

   116       os::abort(true);                                                   \

   117     }                                                                    \

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

   119     if (env != xenv) {                                                   \

   120       NativeReportJNIFatalError(thr, warn_wrong_jnienv);                 \

   121     }                                                                    \

   122     VM_ENTRY_BASE(result_type, header, thr)

   125 #define UNCHECKED() (unchecked_jni_NativeInterface)

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

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

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

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

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

   132   "Get/ReleasePrimitiveArrayCritical or Get/ReleaseStringCritical";

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

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

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

   136 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";

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

   156 // When in VM state:

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

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

   159   thr->print_stack();

   160 }

   162 // When in NATIVE state:

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

   164   IN_VM(

   165     ReportJNIFatalError(thr, msg);

   166   )

   167 }

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

   170   IN_VM(

   171     ReportJNIWarning(thr, msg);

   172   )

   173 }

   178 /*

   179  * SUPPORT FUNCTIONS

   180  */

   182 /**

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

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

   185  *

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

   187  * being able to first check an error code:

   188  *

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

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

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

   192  *

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

   194  * throw an ArrayIndexOutOfBoundsException or ArrayStoreException.

   195  *

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

   197  *

   198  * Programmers often defend against ArrayIndexOutOfBoundsException, so warning

   199  * for these functions would be pedantic.

   200  */

   201 static inline void

   202 check_pending_exception(JavaThread* thr) {

   203   if (thr->has_pending_exception()) {

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

   205   }

   206   if (thr->is_pending_jni_exception_check()) {

   207     IN_VM(

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

   209         thr->get_pending_jni_exception_check());

   210       thr->print_stack();

   211     )

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

   213   }

   214 }

   216 /**

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

   218  */

   219 static inline void

   220 add_planned_handle_capacity(JNIHandleBlock* handles, size_t capacity) {

   221   handles->set_planned_capacity(capacity +

   222                                 handles->get_number_of_live_handles() +

   223                                 CHECK_JNI_LOCAL_REF_CAP_WARN_THRESHOLD);

   224 }

   227 static inline void

   228 functionEnterCritical(JavaThread* thr)

   229 {

   230   check_pending_exception(thr);

   231 }

   233 static inline void

   234 functionEnterCriticalExceptionAllowed(JavaThread* thr)

   235 {

   236 }

   238 static inline void

   239 functionEnter(JavaThread* thr)

   240 {

   241   if (thr->in_critical()) {

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

   243   }

   244   check_pending_exception(thr);

   245 }

   247 static inline void

   248 functionEnterExceptionAllowed(JavaThread* thr)

   249 {

   250   if (thr->in_critical()) {

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

   252   }

   253 }

   255 static inline void

   256 functionExit(JavaThread* thr)

   257 {

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

   259   size_t planned_capacity = handles->get_planned_capacity();

   260   size_t live_handles = handles->get_number_of_live_handles();

   261   if (live_handles > planned_capacity) {

   262     IN_VM(

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

   264           live_handles, planned_capacity);

   265       thr->print_stack();

   266     )

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

   268     add_planned_handle_capacity(handles, 0);

   269   }

   270 }

   272 static inline void

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

   274 {

   275   fieldDescriptor fd;

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

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

   279     ReportJNIFatalError(thr, fatal_should_be_static);

   281   /* validate the class being passed */

   282   ASSERT_OOPS_ALLOWED;

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

   285   /* check for proper subclass hierarchy */

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

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

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

   289     ReportJNIFatalError(thr, fatal_wrong_static_field);

   291   /* check for proper field type */

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

   293     ReportJNIFatalError(thr, fatal_static_field_not_found);

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

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

   296     ReportJNIFatalError(thr, fatal_static_field_mismatch);

   297   }

   298 }

   300 static inline void

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

   302 {

   303   fieldDescriptor fd;

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

   306   if (jfieldIDWorkaround::is_static_jfieldID(fid))

   307     ReportJNIFatalError(thr, fatal_should_be_nonstatic);

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

   310   ASSERT_OOPS_ALLOWED;

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

   312   if (!oopObj) {

   313     ReportJNIFatalError(thr, fatal_null_object);

   314   }

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

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

   318     ReportJNIFatalError(thr, fatal_wrong_field);

   319   }

   321   /* make sure the field exists */

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

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

   324     ReportJNIFatalError(thr, fatal_wrong_field);

   326   /* check for proper field type */

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

   328                                                               false, &fd))

   329     ReportJNIFatalError(thr, fatal_instance_field_not_found);

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

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

   333     ReportJNIFatalError(thr, fatal_instance_field_mismatch);

   334   }

   335 }

   337 static inline void

   338 checkString(JavaThread* thr, jstring js)

   339 {

   340   ASSERT_OOPS_ALLOWED;

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

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

   343     ReportJNIFatalError(thr, fatal_non_string);

   344 }

   346 static inline arrayOop

   347 check_is_array(JavaThread* thr, jarray jArray)

   348 {

   349   ASSERT_OOPS_ALLOWED;

   350   arrayOop aOop;

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

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

   354     ReportJNIFatalError(thr, fatal_non_array);

   355   }

   356   return aOop;

   357 }

   359 static inline arrayOop

   360 check_is_primitive_array(JavaThread* thr, jarray jArray) {

   361   arrayOop aOop = check_is_array(thr, jArray);

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

   364      ReportJNIFatalError(thr, fatal_prim_type_array_expected);

   365   }

   366   return aOop;

   367 }

   369 static inline void

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

   371 {

   372   BasicType array_type;

   373   arrayOop aOop;

   375   aOop = check_is_primitive_array(thr, jArray);

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

   377   if (array_type != elementType) {

   378     ReportJNIFatalError(thr, fatal_element_type_mismatch);

   379   }

   380 }

   382 static inline void

   383 check_is_obj_array(JavaThread* thr, jarray jArray) {

   384   arrayOop aOop = check_is_array(thr, jArray);

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

   386     ReportJNIFatalError(thr, fatal_object_array_expected);

   387   }

   388 }

   390 /*

   391  * Copy and wrap array elements for bounds checking.

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

   393  */

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

   395     void* orig_elements) {

   396   void* result;

   397   IN_VM(

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

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

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

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

   402   )

   403   return result;

   404 }

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

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

   408   if (carray == NULL) {

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

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

   411   }

   412   GuardedMemory guarded(carray);

   413   void* orig_result = guarded.get_tag();

   414   if (!guarded.verify_guards()) {

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

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

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

   418     guarded.print_on(tty);

   419     NativeReportJNIFatalError(thr, "ReleasePrimitiveArrayCritical: "

   420         "failed bounds check");

   421   }

   422   if (orig_result == NULL) {

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

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

   425     guarded.print_on(tty);

   426     NativeReportJNIFatalError(thr, "ReleasePrimitiveArrayCritical: "

   427         "unrecognized elements");

   428   }

   429   if (rsz != NULL) {

   430     *rsz = guarded.get_user_size();

   431   }

   432   return orig_result;

   433 }

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

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

   437   size_t sz;

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

   439   switch (mode) {

   440   case 0:

   441     memcpy(orig_result, carray, sz);

   442     GuardedMemory::free_copy(carray);

   443     break;

   444   case JNI_COMMIT:

   445     memcpy(orig_result, carray, sz);

   446     break;

   447   case JNI_ABORT:

   448     GuardedMemory::free_copy(carray);

   449     break;

   450   default:

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

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

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

   454   }

   455   return orig_result;

   456 }

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

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

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

   461       JNIHandles::is_global_handle(obj) ||

   462       JNIHandles::is_weak_global_handle(obj)) {

   463     ASSERT_OOPS_ALLOWED;

   464     return JNIHandles::resolve_external_guard(obj);

   465   }

   466   ReportJNIFatalError(thr, fatal_bad_ref_to_jni);

   467   return NULL;

   468 }

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

   472   ASSERT_OOPS_ALLOWED;

   473   // do the fast jmethodID check first

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

   475   if (moop == NULL) {

   476     ReportJNIFatalError(thr, fatal_wrong_class_or_method);

   477   }

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

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

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

   481     ReportJNIFatalError(thr, fatal_non_weak_method);

   482   }

   483   return moop;

   484 }

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

   488     if (!obj)

   489         return NULL;

   490     ASSERT_OOPS_ALLOWED;

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

   492     if (!oopObj) {

   493       ReportJNIFatalError(thr, fatal_bad_ref_to_jni);

   494     }

   495     return oopObj;

   496 }

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

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

   500 // array descriptors.

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

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

   504   size_t len = strlen(name);

   506   if (len >= 2 &&

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

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

   509     char msg[JVM_MAXPATHLEN];

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

   511     ReportJNIWarning(thr, msg);

   512   }

   513 }

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

   516   ASSERT_OOPS_ALLOWED;

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

   518   if (!mirror) {

   519     ReportJNIFatalError(thr, fatal_received_null_class);

   520   }

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

   523     ReportJNIFatalError(thr, fatal_class_not_a_class);

   524   }

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

   527   // Make allowances for primitive classes ...

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

   529     ReportJNIFatalError(thr, fatal_class_not_a_class);

   530   }

   531   return k;

   532 }

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

   535   ASSERT_OOPS_ALLOWED;

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

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

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

   540     ReportJNIFatalError(thr, fatal_class_not_a_throwable_class);

   541   }

   542 }

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

   545   /* validate the object being passed */

   546   ASSERT_OOPS_ALLOWED;

   547   jniCheck::validate_jmethod_id(thr, method_id);

   548   jniCheck::validate_object(thr, obj);

   549 }

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

   552   /* validate the class being passed */

   553   ASSERT_OOPS_ALLOWED;

   554   jniCheck::validate_jmethod_id(thr, method_id);

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

   556 }

   559 /*

   560  * IMPLEMENTATION OF FUNCTIONS IN CHECKED TABLE

   561  */

   563 JNI_ENTRY_CHECKED(jclass,

   564   checked_jni_DefineClass(JNIEnv *env,

   565                           const char *name,

   566                           jobject loader,

   567                           const jbyte *buf,

   568                           jsize len))

   569     functionEnter(thr);

   570     IN_VM(

   571       jniCheck::validate_object(thr, loader);

   572     )

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

   574     functionExit(thr);

   575     return result;

   576 JNI_END

   578 JNI_ENTRY_CHECKED(jclass,

   579   checked_jni_FindClass(JNIEnv *env,

   580                         const char *name))

   581     functionEnter(thr);

   582     IN_VM(

   583       jniCheck::validate_class_descriptor(thr, name);

   584     )

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

   586     functionExit(thr);

   587     return result;

   588 JNI_END

   590 JNI_ENTRY_CHECKED(jmethodID,

   591   checked_jni_FromReflectedMethod(JNIEnv *env,

   592                                   jobject method))

   593     functionEnter(thr);

   594     IN_VM(

   595       jniCheck::validate_object(thr, method);

   596     )

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

   598     functionExit(thr);

   599     return result;

   600 JNI_END

   602 JNI_ENTRY_CHECKED(jfieldID,

   603   checked_jni_FromReflectedField(JNIEnv *env,

   604                                  jobject field))

   605     functionEnter(thr);

   606     IN_VM(

   607       jniCheck::validate_object(thr, field);

   608     )

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

   610     functionExit(thr);

   611     return result;

   612 JNI_END

   614 JNI_ENTRY_CHECKED(jobject,

   615   checked_jni_ToReflectedMethod(JNIEnv *env,

   616                                 jclass cls,

   617                                 jmethodID methodID,

   618                                 jboolean isStatic))

   619     functionEnter(thr);

   620     IN_VM(

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

   622       jniCheck::validate_jmethod_id(thr, methodID);

   623     )

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

   625                                                     isStatic);

   626     functionExit(thr);

   627     return result;

   628 JNI_END

   630 JNI_ENTRY_CHECKED(jclass,

   631   checked_jni_GetSuperclass(JNIEnv *env,

   632                             jclass sub))

   633     functionEnter(thr);

   634     IN_VM(

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

   636     )

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

   638     functionExit(thr);

   639     return result;

   640 JNI_END

   642 JNI_ENTRY_CHECKED(jboolean,

   643   checked_jni_IsAssignableFrom(JNIEnv *env,

   644                                jclass sub,

   645                                jclass sup))

   646     functionEnter(thr);

   647     IN_VM(

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

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

   650     )

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

   652     functionExit(thr);

   653     return result;

   654 JNI_END

   656 JNI_ENTRY_CHECKED(jobject,

   657   checked_jni_ToReflectedField(JNIEnv *env,

   658                                jclass cls,

   659                                jfieldID fieldID,

   660                                jboolean isStatic))

   661     functionEnter(thr);

   662     IN_VM(

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

   664     )

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

   666                                                    isStatic);

   667     functionExit(thr);

   668     return result;

   669 JNI_END

   671 JNI_ENTRY_CHECKED(jint,

   672   checked_jni_Throw(JNIEnv *env,

   673                     jthrowable obj))

   674     functionEnter(thr);

   675     IN_VM(

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

   677       if (oopObj == NULL) {

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

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

   680       } else {

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

   682       }

   683     )

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

   685     functionExit(thr);

   686     return result;

   687 JNI_END

   689 JNI_ENTRY_CHECKED(jint,

   690   checked_jni_ThrowNew(JNIEnv *env,

   691                        jclass clazz,

   692                        const char *msg))

   693     functionEnter(thr);

   694     IN_VM(

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

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

   697       jniCheck::validate_throwable_klass(thr, k);

   698     )

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

   700     functionExit(thr);

   701     return result;

   702 JNI_END

   704 JNI_ENTRY_CHECKED(jthrowable,

   705   checked_jni_ExceptionOccurred(JNIEnv *env))

   706     thr->clear_pending_jni_exception_check();

   707     functionEnterExceptionAllowed(thr);

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

   709     functionExit(thr);

   710     return result;

   711 JNI_END

   713 JNI_ENTRY_CHECKED(void,

   714   checked_jni_ExceptionDescribe(JNIEnv *env))

   715     functionEnterExceptionAllowed(thr);

   716     UNCHECKED()->ExceptionDescribe(env);

   717     functionExit(thr);

   718 JNI_END

   720 JNI_ENTRY_CHECKED(void,

   721   checked_jni_ExceptionClear(JNIEnv *env))

   722     thr->clear_pending_jni_exception_check();

   723     functionEnterExceptionAllowed(thr);

   724     UNCHECKED()->ExceptionClear(env);

   725     functionExit(thr);

   726 JNI_END

   728 JNI_ENTRY_CHECKED(void,

   729   checked_jni_FatalError(JNIEnv *env,

   730                          const char *msg))

   731     thr->clear_pending_jni_exception_check();

   732     functionEnter(thr);

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

   734     functionExit(thr);

   735 JNI_END

   737 JNI_ENTRY_CHECKED(jint,

   738   checked_jni_PushLocalFrame(JNIEnv *env,

   739                              jint capacity))

   740     functionEnterExceptionAllowed(thr);

   741     if (capacity < 0)

   742       NativeReportJNIFatalError(thr, "negative capacity");

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

   744     if (result == JNI_OK) {

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

   746     }

   747     functionExit(thr);

   748     return result;

   749 JNI_END

   751 JNI_ENTRY_CHECKED(jobject,

   752   checked_jni_PopLocalFrame(JNIEnv *env,

   753                             jobject result))

   754     functionEnterExceptionAllowed(thr);

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

   756     functionExit(thr);

   757     return res;

   758 JNI_END

   760 JNI_ENTRY_CHECKED(jobject,

   761   checked_jni_NewGlobalRef(JNIEnv *env,

   762                            jobject lobj))

   763     functionEnter(thr);

   764     IN_VM(

   765       if (lobj != NULL) {

   766         jniCheck::validate_handle(thr, lobj);

   767       }

   768     )

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

   770     functionExit(thr);

   771     return result;

   772 JNI_END

   774 JNI_ENTRY_CHECKED(void,

   775   checked_jni_DeleteGlobalRef(JNIEnv *env,

   776                               jobject gref))

   777     functionEnterExceptionAllowed(thr);

   778     IN_VM(

   779       jniCheck::validate_object(thr, gref);

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

   781         ReportJNIFatalError(thr,

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

   783       }

   784     )

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

   786     functionExit(thr);

   787 JNI_END

   789 JNI_ENTRY_CHECKED(void,

   790   checked_jni_DeleteLocalRef(JNIEnv *env,

   791                              jobject obj))

   792     functionEnterExceptionAllowed(thr);

   793     IN_VM(

   794       jniCheck::validate_object(thr, obj);

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

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

   797         ReportJNIFatalError(thr,

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

   799     )

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

   801     functionExit(thr);

   802 JNI_END

   804 JNI_ENTRY_CHECKED(jboolean,

   805   checked_jni_IsSameObject(JNIEnv *env,

   806                            jobject obj1,

   807                            jobject obj2))

   808     functionEnterExceptionAllowed(thr);

   809     IN_VM(

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

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

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

   813        */

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

   815         jniCheck::validate_object(thr, obj1);

   816       }

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

   818         jniCheck::validate_object(thr, obj2);

   819       }

   820     )

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

   822     functionExit(thr);

   823     return result;

   824 JNI_END

   826 JNI_ENTRY_CHECKED(jobject,

   827   checked_jni_NewLocalRef(JNIEnv *env,

   828                           jobject ref))

   829     functionEnter(thr);

   830     IN_VM(

   831       if (ref != NULL) {

   832         jniCheck::validate_handle(thr, ref);

   833       }

   834     )

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

   836     functionExit(thr);

   837     return result;

   838 JNI_END

   840 JNI_ENTRY_CHECKED(jint,

   841   checked_jni_EnsureLocalCapacity(JNIEnv *env,

   842                                   jint capacity))

   843     functionEnter(thr);

   844     if (capacity < 0) {

   845       NativeReportJNIFatalError(thr, "negative capacity");

   846     }

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

   848     if (result == JNI_OK) {

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

   850     }

   851     functionExit(thr);

   852     return result;

   853 JNI_END

   855 JNI_ENTRY_CHECKED(jobject,

   856   checked_jni_AllocObject(JNIEnv *env,

   857                           jclass clazz))

   858     functionEnter(thr);

   859     IN_VM(

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

   861     )

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

   863     functionExit(thr);

   864     return result;

   865 JNI_END

   867 JNI_ENTRY_CHECKED(jobject,

   868   checked_jni_NewObject(JNIEnv *env,

   869                         jclass clazz,

   870                         jmethodID methodID,

   871                         ...))

   872     functionEnter(thr);

   873     va_list args;

   874     IN_VM(

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

   876       jniCheck::validate_jmethod_id(thr, methodID);

   877     )

   878     va_start(args, methodID);

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

   880     va_end(args);

   881     functionExit(thr);

   882     return result;

   883 JNI_END

   885 JNI_ENTRY_CHECKED(jobject,

   886   checked_jni_NewObjectV(JNIEnv *env,

   887                          jclass clazz,

   888                          jmethodID methodID,

   889                          va_list 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()->NewObjectV(env,clazz,methodID,args);

   896     functionExit(thr);

   897     return result;

   898 JNI_END

   900 JNI_ENTRY_CHECKED(jobject,

   901   checked_jni_NewObjectA(JNIEnv *env,

   902                          jclass clazz,

   903                          jmethodID methodID,

   904                          const jvalue *args))

   905     functionEnter(thr);

   906     IN_VM(

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

   908       jniCheck::validate_jmethod_id(thr, methodID);

   909     )

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

   911     functionExit(thr);

   912     return result;

   913 JNI_END

   915 JNI_ENTRY_CHECKED(jclass,

   916   checked_jni_GetObjectClass(JNIEnv *env,

   917                              jobject obj))

   918     functionEnter(thr);

   919     IN_VM(

   920       jniCheck::validate_object(thr, obj);

   921     )

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

   923     functionExit(thr);

   924     return result;

   925 JNI_END

   927 JNI_ENTRY_CHECKED(jboolean,

   928   checked_jni_IsInstanceOf(JNIEnv *env,

   929                            jobject obj,

   930                            jclass clazz))

   931     functionEnter(thr);

   932     IN_VM(

   933       jniCheck::validate_object(thr, obj);

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

   935     )

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

   937     functionExit(thr);

   938     return result;

   939 JNI_END

   941 JNI_ENTRY_CHECKED(jmethodID,

   942   checked_jni_GetMethodID(JNIEnv *env,

   943                           jclass clazz,

   944                           const char *name,

   945                           const char *sig))

   946     functionEnter(thr);

   947     IN_VM(

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

   949     )

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

   951     functionExit(thr);

   952     return result;

   953 JNI_END

   955 #define WRAPPER_CallMethod(ResultType, Result) \

   956 JNI_ENTRY_CHECKED(ResultType,  \

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

   958                                    jobject obj, \

   959                                    jmethodID methodID, \

   960                                    ...)) \

   961     functionEnter(thr); \

   962     va_list args; \

   963     IN_VM( \

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

   965     ) \

   966     va_start(args,methodID); \

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

   968                                                           args); \

   969     va_end(args); \

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

   971     functionExit(thr); \

   972     return result; \

   973 JNI_END \

   974 \

   975 JNI_ENTRY_CHECKED(ResultType,  \

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

   977                                     jobject obj, \

   978                                     jmethodID methodID, \

   979                                     va_list args)) \

   980     functionEnter(thr); \

   981     IN_VM(\

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

   983     ) \

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

   985                                                            args); \

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

   987     functionExit(thr); \

   988     return result; \

   989 JNI_END \

   990 \

   991 JNI_ENTRY_CHECKED(ResultType,  \

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

   993                                     jobject obj, \

   994                                     jmethodID methodID, \

   995                                     const jvalue * args)) \

   996     functionEnter(thr); \

   997     IN_VM( \

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

   999     ) \

  1000     ResultType result = UNCHECKED()->Call##Result##MethodA(env, obj, methodID,\

  1001                                                            args); \

  1002     thr->set_pending_jni_exception_check("Call"#Result"MethodA"); \

  1003     functionExit(thr); \

  1004     return result; \

  1005 JNI_END

  1007 WRAPPER_CallMethod(jobject,Object)

  1008 WRAPPER_CallMethod(jboolean,Boolean)

  1009 WRAPPER_CallMethod(jbyte,Byte)

  1010 WRAPPER_CallMethod(jshort,Short)

  1011 WRAPPER_CallMethod(jchar,Char)

  1012 WRAPPER_CallMethod(jint,Int)

  1013 WRAPPER_CallMethod(jlong,Long)

  1014 WRAPPER_CallMethod(jfloat,Float)

  1015 WRAPPER_CallMethod(jdouble,Double)

  1017 JNI_ENTRY_CHECKED(void,

  1018   checked_jni_CallVoidMethod(JNIEnv *env, \

  1019                              jobject obj, \

  1020                              jmethodID methodID, \

  1021                              ...))

  1022     functionEnter(thr);

  1023     va_list args;

  1024     IN_VM(

  1025       jniCheck::validate_call_object(thr, obj, methodID);

  1026     )

  1027     va_start(args,methodID);

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

  1029     va_end(args);

  1030     thr->set_pending_jni_exception_check("CallVoidMethod");

  1031     functionExit(thr);

  1032 JNI_END

  1034 JNI_ENTRY_CHECKED(void,

  1035   checked_jni_CallVoidMethodV(JNIEnv *env,

  1036                               jobject obj,

  1037                               jmethodID methodID,

  1038                               va_list args))

  1039     functionEnter(thr);

  1040     IN_VM(

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

  1042     )

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

  1044     thr->set_pending_jni_exception_check("CallVoidMethodV");

  1045     functionExit(thr);

  1046 JNI_END

  1048 JNI_ENTRY_CHECKED(void,

  1049   checked_jni_CallVoidMethodA(JNIEnv *env,

  1050                               jobject obj,

  1051                               jmethodID methodID,

  1052                               const jvalue * args))

  1053     functionEnter(thr);

  1054     IN_VM(

  1055       jniCheck::validate_call_object(thr, obj, methodID);

  1056     )

  1057     UNCHECKED()->CallVoidMethodA(env,obj,methodID,args);

  1058     thr->set_pending_jni_exception_check("CallVoidMethodA");

  1059     functionExit(thr);

  1060 JNI_END

  1062 #define WRAPPER_CallNonvirtualMethod(ResultType, Result) \

  1063 JNI_ENTRY_CHECKED(ResultType,  \

  1064   checked_jni_CallNonvirtual##Result##Method(JNIEnv *env, \

  1065                                              jobject obj, \

  1066                                              jclass clazz, \

  1067                                              jmethodID methodID, \

  1068                                              ...)) \

  1069     functionEnter(thr); \

  1070     va_list args; \

  1071     IN_VM( \

  1072       jniCheck::validate_call_object(thr, obj, methodID); \

  1073       jniCheck::validate_call_class(thr, clazz, methodID); \

  1074     ) \

  1075     va_start(args,methodID); \

  1076     ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodV(env, \

  1077                                                                      obj, \

  1078                                                                      clazz, \

  1079                                                                      methodID,\

  1080                                                                      args); \

  1081     va_end(args); \

  1082     thr->set_pending_jni_exception_check("CallNonvirtual"#Result"Method"); \

  1083     functionExit(thr); \

  1084     return result; \

  1085 JNI_END \

  1086 \

  1087 JNI_ENTRY_CHECKED(ResultType,  \

  1088   checked_jni_CallNonvirtual##Result##MethodV(JNIEnv *env, \

  1089                                               jobject obj, \

  1090                                               jclass clazz, \

  1091                                               jmethodID methodID, \

  1092                                               va_list args)) \

  1093     functionEnter(thr); \

  1094     IN_VM( \

  1095       jniCheck::validate_call_object(thr, obj, methodID); \

  1096       jniCheck::validate_call_class(thr, clazz, methodID); \

  1097     ) \

  1098     ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodV(env, \

  1099                                                                      obj, \

  1100                                                                      clazz, \

  1101                                                                      methodID,\

  1102                                                                      args); \

  1103     thr->set_pending_jni_exception_check("CallNonvirtual"#Result"MethodV"); \

  1104     functionExit(thr); \

  1105     return result; \

  1106 JNI_END \

  1107 \

  1108 JNI_ENTRY_CHECKED(ResultType,  \

  1109   checked_jni_CallNonvirtual##Result##MethodA(JNIEnv *env, \

  1110                                               jobject obj, \

  1111                                               jclass clazz, \

  1112                                               jmethodID methodID, \

  1113                                               const jvalue * args)) \

  1114     functionEnter(thr); \

  1115     IN_VM( \

  1116       jniCheck::validate_call_object(thr, obj, methodID); \

  1117       jniCheck::validate_call_class(thr, clazz, methodID); \

  1118     ) \

  1119     ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodA(env, \

  1120                                                                      obj, \

  1121                                                                      clazz, \

  1122                                                                      methodID,\

  1123                                                                      args); \

  1124     thr->set_pending_jni_exception_check("CallNonvirtual"#Result"MethodA"); \

  1125     functionExit(thr); \

  1126     return result; \

  1127 JNI_END

  1129 WRAPPER_CallNonvirtualMethod(jobject,Object)

  1130 WRAPPER_CallNonvirtualMethod(jboolean,Boolean)

  1131 WRAPPER_CallNonvirtualMethod(jbyte,Byte)

  1132 WRAPPER_CallNonvirtualMethod(jshort,Short)

  1133 WRAPPER_CallNonvirtualMethod(jchar,Char)

  1134 WRAPPER_CallNonvirtualMethod(jint,Int)

  1135 WRAPPER_CallNonvirtualMethod(jlong,Long)

  1136 WRAPPER_CallNonvirtualMethod(jfloat,Float)

  1137 WRAPPER_CallNonvirtualMethod(jdouble,Double)

  1139 JNI_ENTRY_CHECKED(void,

  1140   checked_jni_CallNonvirtualVoidMethod(JNIEnv *env,

  1141                                        jobject obj,

  1142                                        jclass clazz,

  1143                                        jmethodID methodID,

  1144                                        ...))

  1145     functionEnter(thr);

  1146     va_list args;

  1147     IN_VM(

  1148       jniCheck::validate_call_object(thr, obj, methodID);

  1149       jniCheck::validate_call_class(thr, clazz, methodID);

  1150     )

  1151     va_start(args,methodID);

  1152     UNCHECKED()->CallNonvirtualVoidMethodV(env,obj,clazz,methodID,args);

  1153     va_end(args);

  1154     thr->set_pending_jni_exception_check("CallNonvirtualVoidMethod");

  1155     functionExit(thr);

  1156 JNI_END

  1158 JNI_ENTRY_CHECKED(void,

  1159   checked_jni_CallNonvirtualVoidMethodV(JNIEnv *env,

  1160                                         jobject obj,

  1161                                         jclass clazz,

  1162                                         jmethodID methodID,

  1163                                         va_list args))

  1164     functionEnter(thr);

  1165     IN_VM(

  1166       jniCheck::validate_call_object(thr, obj, methodID);

  1167       jniCheck::validate_call_class(thr, clazz, methodID);

  1168     )

  1169     UNCHECKED()->CallNonvirtualVoidMethodV(env,obj,clazz,methodID,args);

  1170     thr->set_pending_jni_exception_check("CallNonvirtualVoidMethodV");

  1171     functionExit(thr);

  1172 JNI_END

  1174 JNI_ENTRY_CHECKED(void,

  1175   checked_jni_CallNonvirtualVoidMethodA(JNIEnv *env,

  1176                                         jobject obj,

  1177                                         jclass clazz,

  1178                                         jmethodID methodID,

  1179                                         const jvalue * args))

  1180     functionEnter(thr);

  1181     IN_VM(

  1182       jniCheck::validate_call_object(thr, obj, methodID);

  1183       jniCheck::validate_call_class(thr, clazz, methodID);

  1184     )

  1185     UNCHECKED()->CallNonvirtualVoidMethodA(env,obj,clazz,methodID,args);

  1186     thr->set_pending_jni_exception_check("CallNonvirtualVoidMethodA");

  1187     functionExit(thr);

  1188 JNI_END

  1190 JNI_ENTRY_CHECKED(jfieldID,

  1191   checked_jni_GetFieldID(JNIEnv *env,

  1192                          jclass clazz,

  1193                          const char *name,

  1194                          const char *sig))

  1195     functionEnter(thr);

  1196     IN_VM(

  1197       jniCheck::validate_class(thr, clazz, false);

  1198     )

  1199     jfieldID result = UNCHECKED()->GetFieldID(env,clazz,name,sig);

  1200     functionExit(thr);

  1201     return result;

  1202 JNI_END

  1204 #define WRAPPER_GetField(ReturnType,Result,FieldType) \

  1205 JNI_ENTRY_CHECKED(ReturnType,  \

  1206   checked_jni_Get##Result##Field(JNIEnv *env, \

  1207                                  jobject obj, \

  1208                                  jfieldID fieldID)) \

  1209     functionEnter(thr); \

  1210     IN_VM( \

  1211       checkInstanceFieldID(thr, fieldID, obj, FieldType); \

  1212     ) \

  1213     ReturnType result = UNCHECKED()->Get##Result##Field(env,obj,fieldID); \

  1214     functionExit(thr); \

  1215     return result; \

  1216 JNI_END

  1218 WRAPPER_GetField(jobject,  Object,  T_OBJECT)

  1219 WRAPPER_GetField(jboolean, Boolean, T_BOOLEAN)

  1220 WRAPPER_GetField(jbyte,    Byte,    T_BYTE)

  1221 WRAPPER_GetField(jshort,   Short,   T_SHORT)

  1222 WRAPPER_GetField(jchar,    Char,    T_CHAR)

  1223 WRAPPER_GetField(jint,     Int,     T_INT)

  1224 WRAPPER_GetField(jlong,    Long,    T_LONG)

  1225 WRAPPER_GetField(jfloat,   Float,   T_FLOAT)

  1226 WRAPPER_GetField(jdouble,  Double,  T_DOUBLE)

  1228 #define WRAPPER_SetField(ValueType,Result,FieldType) \

  1229 JNI_ENTRY_CHECKED(void,  \

  1230   checked_jni_Set##Result##Field(JNIEnv *env, \

  1231                                  jobject obj, \

  1232                                  jfieldID fieldID, \

  1233                                  ValueType val)) \

  1234     functionEnter(thr); \

  1235     IN_VM( \

  1236       checkInstanceFieldID(thr, fieldID, obj, FieldType); \

  1237     ) \

  1238     UNCHECKED()->Set##Result##Field(env,obj,fieldID,val); \

  1239     functionExit(thr); \

  1240 JNI_END

  1242 WRAPPER_SetField(jobject,  Object,  T_OBJECT)

  1243 WRAPPER_SetField(jboolean, Boolean, T_BOOLEAN)

  1244 WRAPPER_SetField(jbyte,    Byte,    T_BYTE)

  1245 WRAPPER_SetField(jshort,   Short,   T_SHORT)

  1246 WRAPPER_SetField(jchar,    Char,    T_CHAR)

  1247 WRAPPER_SetField(jint,     Int,     T_INT)

  1248 WRAPPER_SetField(jlong,    Long,    T_LONG)

  1249 WRAPPER_SetField(jfloat,   Float,   T_FLOAT)

  1250 WRAPPER_SetField(jdouble,  Double,  T_DOUBLE)

  1253 JNI_ENTRY_CHECKED(jmethodID,

  1254   checked_jni_GetStaticMethodID(JNIEnv *env,

  1255                                 jclass clazz,

  1256                                 const char *name,

  1257                                 const char *sig))

  1258     functionEnter(thr);

  1259     IN_VM(

  1260       jniCheck::validate_class(thr, clazz, false);

  1261     )

  1262     jmethodID result = UNCHECKED()->GetStaticMethodID(env,clazz,name,sig);

  1263     functionExit(thr);

  1264     return result;

  1265 JNI_END

  1267 #define WRAPPER_CallStaticMethod(ReturnType,Result) \

  1268 JNI_ENTRY_CHECKED(ReturnType,  \

  1269   checked_jni_CallStatic##Result##Method(JNIEnv *env, \

  1270                                          jclass clazz, \

  1271                                          jmethodID methodID, \

  1272                                          ...)) \

  1273     functionEnter(thr); \

  1274     va_list args; \

  1275     IN_VM( \

  1276       jniCheck::validate_jmethod_id(thr, methodID); \

  1277       jniCheck::validate_class(thr, clazz, false); \

  1278     ) \

  1279     va_start(args,methodID); \

  1280     ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \

  1281                                                                  clazz, \

  1282                                                                  methodID, \

  1283                                                                  args); \

  1284     va_end(args); \

  1285     thr->set_pending_jni_exception_check("CallStatic"#Result"Method"); \

  1286     functionExit(thr); \

  1287     return result; \

  1288 JNI_END \

  1289 \

  1290 JNI_ENTRY_CHECKED(ReturnType,  \

  1291   checked_jni_CallStatic##Result##MethodV(JNIEnv *env, \

  1292                                           jclass clazz, \

  1293                                           jmethodID methodID,\

  1294                                           va_list args)) \

  1295     functionEnter(thr); \

  1296     IN_VM( \

  1297       jniCheck::validate_jmethod_id(thr, methodID); \

  1298       jniCheck::validate_class(thr, clazz, false); \

  1299     ) \

  1300     ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \

  1301                                                                  clazz, \

  1302                                                                  methodID, \

  1303                                                                  args); \

  1304     thr->set_pending_jni_exception_check("CallStatic"#Result"MethodV"); \

  1305     functionExit(thr); \

  1306     return result; \

  1307 JNI_END \

  1308 \

  1309 JNI_ENTRY_CHECKED(ReturnType,  \

  1310   checked_jni_CallStatic##Result##MethodA(JNIEnv *env, \

  1311                                           jclass clazz, \

  1312                                           jmethodID methodID, \

  1313                                           const jvalue *args)) \

  1314     functionEnter(thr); \

  1315     IN_VM( \

  1316       jniCheck::validate_jmethod_id(thr, methodID); \

  1317       jniCheck::validate_class(thr, clazz, false); \

  1318     ) \

  1319     ReturnType result = UNCHECKED()->CallStatic##Result##MethodA(env, \

  1320                                                                  clazz, \

  1321                                                                  methodID, \

  1322                                                                  args); \

  1323     thr->set_pending_jni_exception_check("CallStatic"#Result"MethodA"); \

  1324     functionExit(thr); \

  1325     return result; \

  1326 JNI_END

  1328 WRAPPER_CallStaticMethod(jobject,Object)

  1329 WRAPPER_CallStaticMethod(jboolean,Boolean)

  1330 WRAPPER_CallStaticMethod(jbyte,Byte)

  1331 WRAPPER_CallStaticMethod(jshort,Short)

  1332 WRAPPER_CallStaticMethod(jchar,Char)

  1333 WRAPPER_CallStaticMethod(jint,Int)

  1334 WRAPPER_CallStaticMethod(jlong,Long)

  1335 WRAPPER_CallStaticMethod(jfloat,Float)

  1336 WRAPPER_CallStaticMethod(jdouble,Double)

  1338 JNI_ENTRY_CHECKED(void,

  1339   checked_jni_CallStaticVoidMethod(JNIEnv *env,

  1340                                    jclass cls,

  1341                                    jmethodID methodID,

  1342                                    ...))

  1343     functionEnter(thr);

  1344     va_list args;

  1345     IN_VM(

  1346       jniCheck::validate_jmethod_id(thr, methodID);

  1347       jniCheck::validate_class(thr, cls, false);

  1348     )

  1349     va_start(args,methodID);

  1350     UNCHECKED()->CallStaticVoidMethodV(env,cls,methodID,args);

  1351     va_end(args);

  1352     thr->set_pending_jni_exception_check("CallStaticVoidMethod");

  1353     functionExit(thr);

  1354 JNI_END

  1356 JNI_ENTRY_CHECKED(void,

  1357   checked_jni_CallStaticVoidMethodV(JNIEnv *env,

  1358                                     jclass cls,

  1359                                     jmethodID methodID,

  1360                                     va_list args))

  1361     functionEnter(thr);

  1362     IN_VM(

  1363       jniCheck::validate_jmethod_id(thr, methodID);

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

  1365     )

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

  1367     thr->set_pending_jni_exception_check("CallStaticVoidMethodV");

  1368     functionExit(thr);

  1369 JNI_END

  1371 JNI_ENTRY_CHECKED(void,

  1372   checked_jni_CallStaticVoidMethodA(JNIEnv *env,

  1373                                     jclass cls,

  1374                                     jmethodID methodID,

  1375                                     const jvalue * args))

  1376     functionEnter(thr);

  1377     IN_VM(

  1378       jniCheck::validate_jmethod_id(thr, methodID);

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

  1380     )

  1381     UNCHECKED()->CallStaticVoidMethodA(env,cls,methodID,args);

  1382     thr->set_pending_jni_exception_check("CallStaticVoidMethodA");

  1383     functionExit(thr);

  1384 JNI_END

  1386 JNI_ENTRY_CHECKED(jfieldID,

  1387   checked_jni_GetStaticFieldID(JNIEnv *env,

  1388                                jclass clazz,

  1389                                const char *name,

  1390                                const char *sig))

  1391     functionEnter(thr);

  1392     IN_VM(

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

  1394     )

  1395     jfieldID result = UNCHECKED()->GetStaticFieldID(env,clazz,name,sig);

  1396     functionExit(thr);

  1397     return result;

  1398 JNI_END

  1400 #define WRAPPER_GetStaticField(ReturnType,Result,FieldType) \

  1401 JNI_ENTRY_CHECKED(ReturnType,  \

  1402   checked_jni_GetStatic##Result##Field(JNIEnv *env, \

  1403                                        jclass clazz, \

  1404                                        jfieldID fieldID)) \

  1405     functionEnter(thr); \

  1406     IN_VM( \

  1407       jniCheck::validate_class(thr, clazz, false); \

  1408       checkStaticFieldID(thr, fieldID, clazz, FieldType); \

  1409     ) \

  1410     ReturnType result = UNCHECKED()->GetStatic##Result##Field(env, \

  1411                                                               clazz, \

  1412                                                               fieldID); \

  1413     functionExit(thr); \

  1414     return result; \

  1415 JNI_END

  1417 WRAPPER_GetStaticField(jobject,  Object,  T_OBJECT)

  1418 WRAPPER_GetStaticField(jboolean, Boolean, T_BOOLEAN)

  1419 WRAPPER_GetStaticField(jbyte,    Byte,    T_BYTE)

  1420 WRAPPER_GetStaticField(jshort,   Short,   T_SHORT)

  1421 WRAPPER_GetStaticField(jchar,    Char,    T_CHAR)

  1422 WRAPPER_GetStaticField(jint,     Int,     T_INT)

  1423 WRAPPER_GetStaticField(jlong,    Long,    T_LONG)

  1424 WRAPPER_GetStaticField(jfloat,   Float,   T_FLOAT)

  1425 WRAPPER_GetStaticField(jdouble,  Double,  T_DOUBLE)

  1427 #define WRAPPER_SetStaticField(ValueType,Result,FieldType) \

  1428 JNI_ENTRY_CHECKED(void,  \

  1429   checked_jni_SetStatic##Result##Field(JNIEnv *env, \

  1430                                        jclass clazz, \

  1431                                        jfieldID fieldID, \

  1432                                        ValueType value)) \

  1433     functionEnter(thr); \

  1434     IN_VM( \

  1435       jniCheck::validate_class(thr, clazz, false); \

  1436       checkStaticFieldID(thr, fieldID, clazz, FieldType); \

  1437     ) \

  1438     UNCHECKED()->SetStatic##Result##Field(env,clazz,fieldID,value); \

  1439     functionExit(thr); \

  1440 JNI_END

  1442 WRAPPER_SetStaticField(jobject,  Object,  T_OBJECT)

  1443 WRAPPER_SetStaticField(jboolean, Boolean, T_BOOLEAN)

  1444 WRAPPER_SetStaticField(jbyte,    Byte,    T_BYTE)

  1445 WRAPPER_SetStaticField(jshort,   Short,   T_SHORT)

  1446 WRAPPER_SetStaticField(jchar,    Char,    T_CHAR)

  1447 WRAPPER_SetStaticField(jint,     Int,     T_INT)

  1448 WRAPPER_SetStaticField(jlong,    Long,    T_LONG)

  1449 WRAPPER_SetStaticField(jfloat,   Float,   T_FLOAT)

  1450 WRAPPER_SetStaticField(jdouble,  Double,  T_DOUBLE)

  1453 JNI_ENTRY_CHECKED(jstring,

  1454   checked_jni_NewString(JNIEnv *env,

  1455                         const jchar *unicode,

  1456                         jsize len))

  1457     functionEnter(thr);

  1458     jstring result = UNCHECKED()->NewString(env,unicode,len);

  1459     functionExit(thr);

  1460     return result;

  1461 JNI_END

  1463 JNI_ENTRY_CHECKED(jsize,

  1464   checked_jni_GetStringLength(JNIEnv *env,

  1465                               jstring str))

  1466     functionEnter(thr);

  1467     IN_VM(

  1468       checkString(thr, str);

  1469     )

  1470     jsize result = UNCHECKED()->GetStringLength(env,str);

  1471     functionExit(thr);

  1472     return result;

  1473 JNI_END

  1475 // Arbitrary (but well-known) tag

  1476 const void* STRING_TAG = (void*)0x47114711;

  1478 JNI_ENTRY_CHECKED(const jchar *,

  1479   checked_jni_GetStringChars(JNIEnv *env,

  1480                              jstring str,

  1481                              jboolean *isCopy))

  1482     functionEnter(thr);

  1483     IN_VM(

  1484       checkString(thr, str);

  1485     )

  1486     jchar* new_result = NULL;

  1487     const jchar *result = UNCHECKED()->GetStringChars(env,str,isCopy);

  1488     assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringChars didn't return a copy as expected");

  1489     if (result != NULL) {

  1490       size_t len = UNCHECKED()->GetStringLength(env,str) + 1; // + 1 for NULL termination

  1491       len *= sizeof(jchar);

  1492       new_result = (jchar*) GuardedMemory::wrap_copy(result, len, STRING_TAG);

  1493       if (new_result == NULL) {

  1494         vm_exit_out_of_memory(len, OOM_MALLOC_ERROR, "checked_jni_GetStringChars");

  1495       }

  1496       // Avoiding call to UNCHECKED()->ReleaseStringChars() since that will fire unexpected dtrace probes

  1497       // Note that the dtrace arguments for the allocated memory will not match up with this solution.

  1498       FreeHeap((char*)result);

  1499     }

  1500     functionExit(thr);

  1501     return new_result;

  1502 JNI_END

  1504 JNI_ENTRY_CHECKED(void,

  1505   checked_jni_ReleaseStringChars(JNIEnv *env,

  1506                                  jstring str,

  1507                                  const jchar *chars))

  1508     functionEnterExceptionAllowed(thr);

  1509     IN_VM(

  1510       checkString(thr, str);

  1511     )

  1512     if (chars == NULL) {

  1513        // still do the unchecked call to allow dtrace probes

  1514        UNCHECKED()->ReleaseStringChars(env,str,chars);

  1515     }

  1516     else {

  1517       GuardedMemory guarded((void*)chars);

  1518       if (!guarded.verify_guards()) {

  1519         tty->print_cr("ReleaseStringChars: release chars failed bounds check. "

  1520             "string: " PTR_FORMAT " chars: " PTR_FORMAT, p2i(str), p2i(chars));

  1521         guarded.print_on(tty);

  1522         NativeReportJNIFatalError(thr, "ReleaseStringChars: "

  1523             "release chars failed bounds check.");

  1524       }

  1525       if (guarded.get_tag() != STRING_TAG) {

  1526         tty->print_cr("ReleaseStringChars: called on something not allocated "

  1527             "by GetStringChars. string: " PTR_FORMAT " chars: " PTR_FORMAT,

  1528             p2i(str), p2i(chars));

  1529         NativeReportJNIFatalError(thr, "ReleaseStringChars called on something "

  1530             "not allocated by GetStringChars");

  1531       }

  1532        UNCHECKED()->ReleaseStringChars(env, str,

  1533            (const jchar*) guarded.release_for_freeing());

  1534     }

  1535     functionExit(thr);

  1536 JNI_END

  1538 JNI_ENTRY_CHECKED(jstring,

  1539   checked_jni_NewStringUTF(JNIEnv *env,

  1540                            const char *utf))

  1541     functionEnter(thr);

  1542     jstring result = UNCHECKED()->NewStringUTF(env,utf);

  1543     functionExit(thr);

  1544     return result;

  1545 JNI_END

  1547 JNI_ENTRY_CHECKED(jsize,

  1548   checked_jni_GetStringUTFLength(JNIEnv *env,

  1549                                  jstring str))

  1550     functionEnter(thr);

  1551     IN_VM(

  1552       checkString(thr, str);

  1553     )

  1554     jsize result = UNCHECKED()->GetStringUTFLength(env,str);

  1555     functionExit(thr);

  1556     return result;

  1557 JNI_END

  1559 // Arbitrary (but well-known) tag - different than GetStringChars

  1560 const void* STRING_UTF_TAG = (void*) 0x48124812;

  1562 JNI_ENTRY_CHECKED(const char *,

  1563   checked_jni_GetStringUTFChars(JNIEnv *env,

  1564                                 jstring str,

  1565                                 jboolean *isCopy))

  1566     functionEnter(thr);

  1567     IN_VM(

  1568       checkString(thr, str);

  1569     )

  1570     char* new_result = NULL;

  1571     const char *result = UNCHECKED()->GetStringUTFChars(env,str,isCopy);

  1572     assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringUTFChars didn't return a copy as expected");

  1573     if (result != NULL) {

  1574       size_t len = strlen(result) + 1; // + 1 for NULL termination

  1575       new_result = (char*) GuardedMemory::wrap_copy(result, len, STRING_UTF_TAG);

  1576       if (new_result == NULL) {

  1577         vm_exit_out_of_memory(len, OOM_MALLOC_ERROR, "checked_jni_GetStringUTFChars");

  1578       }

  1579       // Avoiding call to UNCHECKED()->ReleaseStringUTFChars() since that will fire unexpected dtrace probes

  1580       // Note that the dtrace arguments for the allocated memory will not match up with this solution.

  1581       FreeHeap((char*)result, mtInternal);

  1582     }

  1583     functionExit(thr);

  1584     return new_result;

  1585 JNI_END

  1587 JNI_ENTRY_CHECKED(void,

  1588   checked_jni_ReleaseStringUTFChars(JNIEnv *env,

  1589                                     jstring str,

  1590                                     const char* chars))

  1591     functionEnterExceptionAllowed(thr);

  1592     IN_VM(

  1593       checkString(thr, str);

  1594     )

  1595     if (chars == NULL) {

  1596        // still do the unchecked call to allow dtrace probes

  1597        UNCHECKED()->ReleaseStringUTFChars(env,str,chars);

  1598     }

  1599     else {

  1600       GuardedMemory guarded((void*)chars);

  1601       if (!guarded.verify_guards()) {

  1602         tty->print_cr("ReleaseStringUTFChars: release chars failed bounds check. "

  1603             "string: " PTR_FORMAT " chars: " PTR_FORMAT, p2i(str), p2i(chars));

  1604         guarded.print_on(tty);

  1605         NativeReportJNIFatalError(thr, "ReleaseStringUTFChars: "

  1606             "release chars failed bounds check.");

  1607       }

  1608       if (guarded.get_tag() != STRING_UTF_TAG) {

  1609         tty->print_cr("ReleaseStringUTFChars: called on something not "

  1610             "allocated by GetStringUTFChars. string: " PTR_FORMAT " chars: "

  1611             PTR_FORMAT, p2i(str), p2i(chars));

  1612         NativeReportJNIFatalError(thr, "ReleaseStringUTFChars "

  1613             "called on something not allocated by GetStringUTFChars");

  1614       }

  1615       UNCHECKED()->ReleaseStringUTFChars(env, str,

  1616           (const char*) guarded.release_for_freeing());

  1617     }

  1618     functionExit(thr);

  1619 JNI_END

  1621 JNI_ENTRY_CHECKED(jsize,

  1622   checked_jni_GetArrayLength(JNIEnv *env,

  1623                              jarray array))

  1624     functionEnter(thr);

  1625     IN_VM(

  1626       check_is_array(thr, array);

  1627     )

  1628     jsize result = UNCHECKED()->GetArrayLength(env,array);

  1629     functionExit(thr);

  1630     return result;

  1631 JNI_END

  1633 JNI_ENTRY_CHECKED(jobjectArray,

  1634   checked_jni_NewObjectArray(JNIEnv *env,

  1635                              jsize len,

  1636                              jclass clazz,

  1637                              jobject init))

  1638     functionEnter(thr);

  1639     jobjectArray result = UNCHECKED()->NewObjectArray(env,len,clazz,init);

  1640     functionExit(thr);

  1641     return result;

  1642 JNI_END

  1644 JNI_ENTRY_CHECKED(jobject,

  1645   checked_jni_GetObjectArrayElement(JNIEnv *env,

  1646                                     jobjectArray array,

  1647                                     jsize index))

  1648     functionEnter(thr);

  1649     IN_VM(

  1650       check_is_obj_array(thr, array);

  1651     )

  1652     jobject result = UNCHECKED()->GetObjectArrayElement(env,array,index);

  1653     functionExit(thr);

  1654     return result;

  1655 JNI_END

  1657 JNI_ENTRY_CHECKED(void,

  1658   checked_jni_SetObjectArrayElement(JNIEnv *env,

  1659                                     jobjectArray array,

  1660                                     jsize index,

  1661                                     jobject val))

  1662     functionEnter(thr);

  1663     IN_VM(

  1664       check_is_obj_array(thr, array);

  1665     )

  1666     UNCHECKED()->SetObjectArrayElement(env,array,index,val);

  1667     functionExit(thr);

  1668 JNI_END

  1670 #define WRAPPER_NewScalarArray(Return, Result) \

  1671 JNI_ENTRY_CHECKED(Return, \

  1672   checked_jni_New##Result##Array(JNIEnv *env, \

  1673                                  jsize len)) \

  1674     functionEnter(thr); \

  1675     Return result = UNCHECKED()->New##Result##Array(env,len); \

  1676     functionExit(thr); \

  1677     return (Return) result; \

  1678 JNI_END

  1680 WRAPPER_NewScalarArray(jbooleanArray, Boolean)

  1681 WRAPPER_NewScalarArray(jbyteArray, Byte)

  1682 WRAPPER_NewScalarArray(jshortArray, Short)

  1683 WRAPPER_NewScalarArray(jcharArray, Char)

  1684 WRAPPER_NewScalarArray(jintArray, Int)

  1685 WRAPPER_NewScalarArray(jlongArray, Long)

  1686 WRAPPER_NewScalarArray(jfloatArray, Float)

  1687 WRAPPER_NewScalarArray(jdoubleArray, Double)

  1689 #define WRAPPER_GetScalarArrayElements(ElementTag,ElementType,Result) \

  1690 JNI_ENTRY_CHECKED(ElementType *,  \

  1691   checked_jni_Get##Result##ArrayElements(JNIEnv *env, \

  1692                                          ElementType##Array array, \

  1693                                          jboolean *isCopy)) \

  1694     functionEnter(thr); \

  1695     IN_VM( \

  1696       check_primitive_array_type(thr, array, ElementTag); \

  1697     ) \

  1698     ElementType *result = UNCHECKED()->Get##Result##ArrayElements(env, \

  1699                                                                   array, \

  1700                                                                   isCopy); \

  1701     if (result != NULL) { \

  1702       result = (ElementType *) check_jni_wrap_copy_array(thr, array, result); \

  1703     } \

  1704     functionExit(thr); \

  1705     return result; \

  1706 JNI_END

  1708 WRAPPER_GetScalarArrayElements(T_BOOLEAN, jboolean, Boolean)

  1709 WRAPPER_GetScalarArrayElements(T_BYTE,    jbyte,    Byte)

  1710 WRAPPER_GetScalarArrayElements(T_SHORT,   jshort,   Short)

  1711 WRAPPER_GetScalarArrayElements(T_CHAR,    jchar,    Char)

  1712 WRAPPER_GetScalarArrayElements(T_INT,     jint,     Int)

  1713 WRAPPER_GetScalarArrayElements(T_LONG,    jlong,    Long)

  1714 WRAPPER_GetScalarArrayElements(T_FLOAT,   jfloat,   Float)

  1715 WRAPPER_GetScalarArrayElements(T_DOUBLE,  jdouble,  Double)

  1717 #define WRAPPER_ReleaseScalarArrayElements(ElementTag,ElementType,Result,Tag) \

  1718 JNI_ENTRY_CHECKED(void,  \

  1719   checked_jni_Release##Result##ArrayElements(JNIEnv *env, \

  1720                                              ElementType##Array array, \

  1721                                              ElementType *elems, \

  1722                                              jint mode)) \

  1723     functionEnterExceptionAllowed(thr); \

  1724     IN_VM( \

  1725       check_primitive_array_type(thr, array, ElementTag); \

  1726       ASSERT_OOPS_ALLOWED; \

  1727       typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \

  1728     ) \

  1729     ElementType* orig_result = (ElementType *) check_wrapped_array_release( \

  1730         thr, "checked_jni_Release"#Result"ArrayElements", array, elems, mode); \

  1731     UNCHECKED()->Release##Result##ArrayElements(env, array, orig_result, mode); \

  1732     functionExit(thr); \

  1733 JNI_END

  1735 WRAPPER_ReleaseScalarArrayElements(T_BOOLEAN,jboolean, Boolean, bool)

  1736 WRAPPER_ReleaseScalarArrayElements(T_BYTE,   jbyte,    Byte,    byte)

  1737 WRAPPER_ReleaseScalarArrayElements(T_SHORT,  jshort,   Short,   short)

  1738 WRAPPER_ReleaseScalarArrayElements(T_CHAR,   jchar,    Char,    char)

  1739 WRAPPER_ReleaseScalarArrayElements(T_INT,    jint,     Int,     int)

  1740 WRAPPER_ReleaseScalarArrayElements(T_LONG,   jlong,    Long,    long)

  1741 WRAPPER_ReleaseScalarArrayElements(T_FLOAT,  jfloat,   Float,   float)

  1742 WRAPPER_ReleaseScalarArrayElements(T_DOUBLE, jdouble,  Double,  double)

  1744 #define WRAPPER_GetScalarArrayRegion(ElementTag,ElementType,Result) \

  1745 JNI_ENTRY_CHECKED(void,  \

  1746   checked_jni_Get##Result##ArrayRegion(JNIEnv *env, \

  1747                                        ElementType##Array array, \

  1748                                        jsize start, \

  1749                                        jsize len, \

  1750                                        ElementType *buf)) \

  1751     functionEnter(thr); \

  1752     IN_VM( \

  1753       check_primitive_array_type(thr, array, ElementTag); \

  1754     ) \

  1755     UNCHECKED()->Get##Result##ArrayRegion(env,array,start,len,buf); \

  1756     functionExit(thr); \

  1757 JNI_END

  1759 WRAPPER_GetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean)

  1760 WRAPPER_GetScalarArrayRegion(T_BYTE,    jbyte,    Byte)

  1761 WRAPPER_GetScalarArrayRegion(T_SHORT,   jshort,   Short)

  1762 WRAPPER_GetScalarArrayRegion(T_CHAR,    jchar,    Char)

  1763 WRAPPER_GetScalarArrayRegion(T_INT,     jint,     Int)

  1764 WRAPPER_GetScalarArrayRegion(T_LONG,    jlong,    Long)

  1765 WRAPPER_GetScalarArrayRegion(T_FLOAT,   jfloat,   Float)

  1766 WRAPPER_GetScalarArrayRegion(T_DOUBLE,  jdouble,  Double)

  1768 #define WRAPPER_SetScalarArrayRegion(ElementTag,ElementType,Result) \

  1769 JNI_ENTRY_CHECKED(void,  \

  1770   checked_jni_Set##Result##ArrayRegion(JNIEnv *env, \

  1771                                        ElementType##Array array, \

  1772                                        jsize start, \

  1773                                        jsize len, \

  1774                                        const ElementType *buf)) \

  1775     functionEnter(thr); \

  1776     IN_VM( \

  1777       check_primitive_array_type(thr, array, ElementTag); \

  1778     ) \

  1779     UNCHECKED()->Set##Result##ArrayRegion(env,array,start,len,buf); \

  1780     functionExit(thr); \

  1781 JNI_END

  1783 WRAPPER_SetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean)

  1784 WRAPPER_SetScalarArrayRegion(T_BYTE,    jbyte,    Byte)

  1785 WRAPPER_SetScalarArrayRegion(T_SHORT,   jshort,   Short)

  1786 WRAPPER_SetScalarArrayRegion(T_CHAR,    jchar,    Char)

  1787 WRAPPER_SetScalarArrayRegion(T_INT,     jint,     Int)

  1788 WRAPPER_SetScalarArrayRegion(T_LONG,    jlong,    Long)

  1789 WRAPPER_SetScalarArrayRegion(T_FLOAT,   jfloat,   Float)

  1790 WRAPPER_SetScalarArrayRegion(T_DOUBLE,  jdouble,  Double)

  1792 JNI_ENTRY_CHECKED(jint,

  1793   checked_jni_RegisterNatives(JNIEnv *env,

  1794                               jclass clazz,

  1795                               const JNINativeMethod *methods,

  1796                               jint nMethods))

  1797     functionEnter(thr);

  1798     jint result = UNCHECKED()->RegisterNatives(env,clazz,methods,nMethods);

  1799     functionExit(thr);

  1800     return result;

  1801 JNI_END

  1803 JNI_ENTRY_CHECKED(jint,

  1804   checked_jni_UnregisterNatives(JNIEnv *env,

  1805                                 jclass clazz))

  1806     functionEnter(thr);

  1807     jint result = UNCHECKED()->UnregisterNatives(env,clazz);

  1808     functionExit(thr);

  1809     return result;

  1810 JNI_END

  1812 JNI_ENTRY_CHECKED(jint,

  1813   checked_jni_MonitorEnter(JNIEnv *env,

  1814                            jobject obj))

  1815     functionEnter(thr);

  1816     IN_VM(

  1817       jniCheck::validate_object(thr, obj);

  1818     )

  1819     jint result = UNCHECKED()->MonitorEnter(env,obj);

  1820     functionExit(thr);

  1821     return result;

  1822 JNI_END

  1824 JNI_ENTRY_CHECKED(jint,

  1825   checked_jni_MonitorExit(JNIEnv *env,

  1826                           jobject obj))

  1827     functionEnterExceptionAllowed(thr);

  1828     IN_VM(

  1829       jniCheck::validate_object(thr, obj);

  1830     )

  1831     jint result = UNCHECKED()->MonitorExit(env,obj);

  1832     functionExit(thr);

  1833     return result;

  1834 JNI_END

  1836 JNI_ENTRY_CHECKED(jint,

  1837   checked_jni_GetJavaVM(JNIEnv *env,

  1838                         JavaVM **vm))

  1839     functionEnter(thr);

  1840     jint result = UNCHECKED()->GetJavaVM(env,vm);

  1841     functionExit(thr);

  1842     return result;

  1843 JNI_END

  1845 JNI_ENTRY_CHECKED(void,

  1846   checked_jni_GetStringRegion(JNIEnv *env,

  1847                               jstring str,

  1848                               jsize start,

  1849                               jsize len,

  1850                               jchar *buf))

  1851     functionEnter(thr);

  1852     IN_VM(

  1853       checkString(thr, str);

  1854     )

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

  1856     functionExit(thr);

  1857 JNI_END

  1859 JNI_ENTRY_CHECKED(void,

  1860   checked_jni_GetStringUTFRegion(JNIEnv *env,

  1861                                  jstring str,

  1862                                  jsize start,

  1863                                  jsize len,

  1864                                  char *buf))

  1865     functionEnter(thr);

  1866     IN_VM(

  1867       checkString(thr, str);

  1868     )

  1869     UNCHECKED()->GetStringUTFRegion(env, str, start, len, buf);

  1870     functionExit(thr);

  1871 JNI_END

  1873 JNI_ENTRY_CHECKED(void *,

  1874   checked_jni_GetPrimitiveArrayCritical(JNIEnv *env,

  1875                                         jarray array,

  1876                                         jboolean *isCopy))

  1877     functionEnterCritical(thr);

  1878     IN_VM(

  1879       check_is_primitive_array(thr, array);

  1880     )

  1881     void *result = UNCHECKED()->GetPrimitiveArrayCritical(env, array, isCopy);

  1882     if (result != NULL) {

  1883       result = check_jni_wrap_copy_array(thr, array, result);

  1884     }

  1885     functionExit(thr);

  1886     return result;

  1887 JNI_END

  1889 JNI_ENTRY_CHECKED(void,

  1890   checked_jni_ReleasePrimitiveArrayCritical(JNIEnv *env,

  1891                                             jarray array,

  1892                                             void *carray,

  1893                                             jint mode))

  1894     functionEnterCriticalExceptionAllowed(thr);

  1895     IN_VM(

  1896       check_is_primitive_array(thr, array);

  1897     )

  1898     // Check the element array...

  1899     void* orig_result = check_wrapped_array_release(thr, "ReleasePrimitiveArrayCritical", array, carray, mode);

  1900     UNCHECKED()->ReleasePrimitiveArrayCritical(env, array, orig_result, mode);

  1901     functionExit(thr);

  1902 JNI_END

  1904 JNI_ENTRY_CHECKED(const jchar*,

  1905   checked_jni_GetStringCritical(JNIEnv *env,

  1906                                 jstring string,

  1907                                 jboolean *isCopy))

  1908     functionEnterCritical(thr);

  1909     IN_VM(

  1910       checkString(thr, string);

  1911     )

  1912     const jchar *result = UNCHECKED()->GetStringCritical(env, string, isCopy);

  1913     functionExit(thr);

  1914     return result;

  1915 JNI_END

  1917 JNI_ENTRY_CHECKED(void,

  1918   checked_jni_ReleaseStringCritical(JNIEnv *env,

  1919                                     jstring str,

  1920                                     const jchar *chars))

  1921     functionEnterCriticalExceptionAllowed(thr);

  1922     IN_VM(

  1923       checkString(thr, str);

  1924     )

  1925     /* The Hotspot JNI code does not use the parameters, so just check the

  1926      * string parameter as a minor sanity check

  1927      */

  1928     UNCHECKED()->ReleaseStringCritical(env, str, chars);

  1929     functionExit(thr);

  1930 JNI_END

  1932 JNI_ENTRY_CHECKED(jweak,

  1933   checked_jni_NewWeakGlobalRef(JNIEnv *env,

  1934                                jobject obj))

  1935     functionEnter(thr);

  1936     IN_VM(

  1937       if (obj != NULL) {

  1938         jniCheck::validate_handle(thr, obj);

  1939       }

  1940     )

  1941     jweak result = UNCHECKED()->NewWeakGlobalRef(env, obj);

  1942     functionExit(thr);

  1943     return result;

  1944 JNI_END

  1946 JNI_ENTRY_CHECKED(void,

  1947   checked_jni_DeleteWeakGlobalRef(JNIEnv *env,

  1948                                   jweak ref))

  1949     functionEnterExceptionAllowed(thr);

  1950     UNCHECKED()->DeleteWeakGlobalRef(env, ref);

  1951     functionExit(thr);

  1952 JNI_END

  1954 JNI_ENTRY_CHECKED(jboolean,

  1955   checked_jni_ExceptionCheck(JNIEnv *env))

  1956     thr->clear_pending_jni_exception_check();

  1957     functionEnterExceptionAllowed(thr);

  1958     jboolean result = UNCHECKED()->ExceptionCheck(env);

  1959     functionExit(thr);

  1960     return result;

  1961 JNI_END

  1963 JNI_ENTRY_CHECKED(jobject,

  1964   checked_jni_NewDirectByteBuffer(JNIEnv *env,

  1965                                   void *address,

  1966                                   jlong capacity))

  1967     functionEnter(thr);

  1968     jobject result = UNCHECKED()->NewDirectByteBuffer(env, address, capacity);

  1969     functionExit(thr);

  1970     return result;

  1971 JNI_END

  1973 JNI_ENTRY_CHECKED(void *,

  1974   checked_jni_GetDirectBufferAddress(JNIEnv *env,

  1975                                      jobject buf))

  1976     functionEnter(thr);

  1977     void* result = UNCHECKED()->GetDirectBufferAddress(env, buf);

  1978     functionExit(thr);

  1979     return result;

  1980 JNI_END

  1982 JNI_ENTRY_CHECKED(jlong,

  1983   checked_jni_GetDirectBufferCapacity(JNIEnv *env,

  1984                                       jobject buf))

  1985     functionEnter(thr);

  1986     jlong result = UNCHECKED()->GetDirectBufferCapacity(env, buf);

  1987     functionExit(thr);

  1988     return result;

  1989 JNI_END

  1991 JNI_ENTRY_CHECKED(jobjectRefType,

  1992   checked_jni_GetObjectRefType(JNIEnv *env,

  1993                                jobject obj))

  1994     functionEnter(thr);

  1995     /* validate the object being passed */

  1996     IN_VM(

  1997       jniCheck::validate_object(thr, obj);

  1998     )

  1999     jobjectRefType result = UNCHECKED()->GetObjectRefType(env, obj);

  2000     functionExit(thr);

  2001     return result;

  2002 JNI_END

  2005 JNI_ENTRY_CHECKED(jint,

  2006   checked_jni_GetVersion(JNIEnv *env))

  2007     functionEnter(thr);

  2008     jint result = UNCHECKED()->GetVersion(env);

  2009     functionExit(thr);

  2010     return result;

  2011 JNI_END

  2015 /*

  2016  * Structure containing all checked jni functions

  2017  */

  2018 struct JNINativeInterface_  checked_jni_NativeInterface = {

  2019     NULL,

  2020     NULL,

  2021     NULL,

  2023     NULL,

  2025     checked_jni_GetVersion,

  2027     checked_jni_DefineClass,

  2028     checked_jni_FindClass,

  2030     checked_jni_FromReflectedMethod,

  2031     checked_jni_FromReflectedField,

  2033     checked_jni_ToReflectedMethod,

  2035     checked_jni_GetSuperclass,

  2036     checked_jni_IsAssignableFrom,

  2038     checked_jni_ToReflectedField,

  2040     checked_jni_Throw,

  2041     checked_jni_ThrowNew,

  2042     checked_jni_ExceptionOccurred,

  2043     checked_jni_ExceptionDescribe,

  2044     checked_jni_ExceptionClear,

  2045     checked_jni_FatalError,

  2047     checked_jni_PushLocalFrame,

  2048     checked_jni_PopLocalFrame,

  2050     checked_jni_NewGlobalRef,

  2051     checked_jni_DeleteGlobalRef,

  2052     checked_jni_DeleteLocalRef,

  2053     checked_jni_IsSameObject,

  2055     checked_jni_NewLocalRef,

  2056     checked_jni_EnsureLocalCapacity,

  2058     checked_jni_AllocObject,

  2059     checked_jni_NewObject,

  2060     checked_jni_NewObjectV,

  2061     checked_jni_NewObjectA,

  2063     checked_jni_GetObjectClass,

  2064     checked_jni_IsInstanceOf,

  2066     checked_jni_GetMethodID,

  2068     checked_jni_CallObjectMethod,

  2069     checked_jni_CallObjectMethodV,

  2070     checked_jni_CallObjectMethodA,

  2071     checked_jni_CallBooleanMethod,

  2072     checked_jni_CallBooleanMethodV,

  2073     checked_jni_CallBooleanMethodA,

  2074     checked_jni_CallByteMethod,

  2075     checked_jni_CallByteMethodV,

  2076     checked_jni_CallByteMethodA,

  2077     checked_jni_CallCharMethod,

  2078     checked_jni_CallCharMethodV,

  2079     checked_jni_CallCharMethodA,

  2080     checked_jni_CallShortMethod,

  2081     checked_jni_CallShortMethodV,

  2082     checked_jni_CallShortMethodA,

  2083     checked_jni_CallIntMethod,

  2084     checked_jni_CallIntMethodV,

  2085     checked_jni_CallIntMethodA,

  2086     checked_jni_CallLongMethod,

  2087     checked_jni_CallLongMethodV,

  2088     checked_jni_CallLongMethodA,

  2089     checked_jni_CallFloatMethod,

  2090     checked_jni_CallFloatMethodV,

  2091     checked_jni_CallFloatMethodA,

  2092     checked_jni_CallDoubleMethod,

  2093     checked_jni_CallDoubleMethodV,

  2094     checked_jni_CallDoubleMethodA,

  2095     checked_jni_CallVoidMethod,

  2096     checked_jni_CallVoidMethodV,

  2097     checked_jni_CallVoidMethodA,

  2099     checked_jni_CallNonvirtualObjectMethod,

  2100     checked_jni_CallNonvirtualObjectMethodV,

  2101     checked_jni_CallNonvirtualObjectMethodA,

  2102     checked_jni_CallNonvirtualBooleanMethod,

  2103     checked_jni_CallNonvirtualBooleanMethodV,

  2104     checked_jni_CallNonvirtualBooleanMethodA,

  2105     checked_jni_CallNonvirtualByteMethod,

  2106     checked_jni_CallNonvirtualByteMethodV,

  2107     checked_jni_CallNonvirtualByteMethodA,

  2108     checked_jni_CallNonvirtualCharMethod,

  2109     checked_jni_CallNonvirtualCharMethodV,

  2110     checked_jni_CallNonvirtualCharMethodA,

  2111     checked_jni_CallNonvirtualShortMethod,

  2112     checked_jni_CallNonvirtualShortMethodV,

  2113     checked_jni_CallNonvirtualShortMethodA,

  2114     checked_jni_CallNonvirtualIntMethod,

  2115     checked_jni_CallNonvirtualIntMethodV,

  2116     checked_jni_CallNonvirtualIntMethodA,

  2117     checked_jni_CallNonvirtualLongMethod,

  2118     checked_jni_CallNonvirtualLongMethodV,

  2119     checked_jni_CallNonvirtualLongMethodA,

  2120     checked_jni_CallNonvirtualFloatMethod,

  2121     checked_jni_CallNonvirtualFloatMethodV,

  2122     checked_jni_CallNonvirtualFloatMethodA,

  2123     checked_jni_CallNonvirtualDoubleMethod,

  2124     checked_jni_CallNonvirtualDoubleMethodV,

  2125     checked_jni_CallNonvirtualDoubleMethodA,

  2126     checked_jni_CallNonvirtualVoidMethod,

  2127     checked_jni_CallNonvirtualVoidMethodV,

  2128     checked_jni_CallNonvirtualVoidMethodA,

  2130     checked_jni_GetFieldID,

  2132     checked_jni_GetObjectField,

  2133     checked_jni_GetBooleanField,

  2134     checked_jni_GetByteField,

  2135     checked_jni_GetCharField,

  2136     checked_jni_GetShortField,

  2137     checked_jni_GetIntField,

  2138     checked_jni_GetLongField,

  2139     checked_jni_GetFloatField,

  2140     checked_jni_GetDoubleField,

  2142     checked_jni_SetObjectField,

  2143     checked_jni_SetBooleanField,

  2144     checked_jni_SetByteField,

  2145     checked_jni_SetCharField,

  2146     checked_jni_SetShortField,

  2147     checked_jni_SetIntField,

  2148     checked_jni_SetLongField,

  2149     checked_jni_SetFloatField,

  2150     checked_jni_SetDoubleField,

  2152     checked_jni_GetStaticMethodID,

  2154     checked_jni_CallStaticObjectMethod,

  2155     checked_jni_CallStaticObjectMethodV,

  2156     checked_jni_CallStaticObjectMethodA,

  2157     checked_jni_CallStaticBooleanMethod,

  2158     checked_jni_CallStaticBooleanMethodV,

  2159     checked_jni_CallStaticBooleanMethodA,

  2160     checked_jni_CallStaticByteMethod,

  2161     checked_jni_CallStaticByteMethodV,

  2162     checked_jni_CallStaticByteMethodA,

  2163     checked_jni_CallStaticCharMethod,

  2164     checked_jni_CallStaticCharMethodV,

  2165     checked_jni_CallStaticCharMethodA,

  2166     checked_jni_CallStaticShortMethod,

  2167     checked_jni_CallStaticShortMethodV,

  2168     checked_jni_CallStaticShortMethodA,

  2169     checked_jni_CallStaticIntMethod,

  2170     checked_jni_CallStaticIntMethodV,

  2171     checked_jni_CallStaticIntMethodA,

  2172     checked_jni_CallStaticLongMethod,

  2173     checked_jni_CallStaticLongMethodV,

  2174     checked_jni_CallStaticLongMethodA,

  2175     checked_jni_CallStaticFloatMethod,

  2176     checked_jni_CallStaticFloatMethodV,

  2177     checked_jni_CallStaticFloatMethodA,

  2178     checked_jni_CallStaticDoubleMethod,

  2179     checked_jni_CallStaticDoubleMethodV,

  2180     checked_jni_CallStaticDoubleMethodA,

  2181     checked_jni_CallStaticVoidMethod,

  2182     checked_jni_CallStaticVoidMethodV,

  2183     checked_jni_CallStaticVoidMethodA,

  2185     checked_jni_GetStaticFieldID,

  2187     checked_jni_GetStaticObjectField,

  2188     checked_jni_GetStaticBooleanField,

  2189     checked_jni_GetStaticByteField,

  2190     checked_jni_GetStaticCharField,

  2191     checked_jni_GetStaticShortField,

  2192     checked_jni_GetStaticIntField,

  2193     checked_jni_GetStaticLongField,

  2194     checked_jni_GetStaticFloatField,

  2195     checked_jni_GetStaticDoubleField,

  2197     checked_jni_SetStaticObjectField,

  2198     checked_jni_SetStaticBooleanField,

  2199     checked_jni_SetStaticByteField,

  2200     checked_jni_SetStaticCharField,

  2201     checked_jni_SetStaticShortField,

  2202     checked_jni_SetStaticIntField,

  2203     checked_jni_SetStaticLongField,

  2204     checked_jni_SetStaticFloatField,

  2205     checked_jni_SetStaticDoubleField,

  2207     checked_jni_NewString,

  2208     checked_jni_GetStringLength,

  2209     checked_jni_GetStringChars,

  2210     checked_jni_ReleaseStringChars,

  2212     checked_jni_NewStringUTF,

  2213     checked_jni_GetStringUTFLength,

  2214     checked_jni_GetStringUTFChars,

  2215     checked_jni_ReleaseStringUTFChars,

  2217     checked_jni_GetArrayLength,

  2219     checked_jni_NewObjectArray,

  2220     checked_jni_GetObjectArrayElement,

  2221     checked_jni_SetObjectArrayElement,

  2223     checked_jni_NewBooleanArray,

  2224     checked_jni_NewByteArray,

  2225     checked_jni_NewCharArray,

  2226     checked_jni_NewShortArray,

  2227     checked_jni_NewIntArray,

  2228     checked_jni_NewLongArray,

  2229     checked_jni_NewFloatArray,

  2230     checked_jni_NewDoubleArray,

  2232     checked_jni_GetBooleanArrayElements,

  2233     checked_jni_GetByteArrayElements,

  2234     checked_jni_GetCharArrayElements,

  2235     checked_jni_GetShortArrayElements,

  2236     checked_jni_GetIntArrayElements,

  2237     checked_jni_GetLongArrayElements,

  2238     checked_jni_GetFloatArrayElements,

  2239     checked_jni_GetDoubleArrayElements,

  2241     checked_jni_ReleaseBooleanArrayElements,

  2242     checked_jni_ReleaseByteArrayElements,

  2243     checked_jni_ReleaseCharArrayElements,

  2244     checked_jni_ReleaseShortArrayElements,

  2245     checked_jni_ReleaseIntArrayElements,

  2246     checked_jni_ReleaseLongArrayElements,

  2247     checked_jni_ReleaseFloatArrayElements,

  2248     checked_jni_ReleaseDoubleArrayElements,

  2250     checked_jni_GetBooleanArrayRegion,

  2251     checked_jni_GetByteArrayRegion,

  2252     checked_jni_GetCharArrayRegion,

  2253     checked_jni_GetShortArrayRegion,

  2254     checked_jni_GetIntArrayRegion,

  2255     checked_jni_GetLongArrayRegion,

  2256     checked_jni_GetFloatArrayRegion,

  2257     checked_jni_GetDoubleArrayRegion,

  2259     checked_jni_SetBooleanArrayRegion,

  2260     checked_jni_SetByteArrayRegion,

  2261     checked_jni_SetCharArrayRegion,

  2262     checked_jni_SetShortArrayRegion,

  2263     checked_jni_SetIntArrayRegion,

  2264     checked_jni_SetLongArrayRegion,

  2265     checked_jni_SetFloatArrayRegion,

  2266     checked_jni_SetDoubleArrayRegion,

  2268     checked_jni_RegisterNatives,

  2269     checked_jni_UnregisterNatives,

  2271     checked_jni_MonitorEnter,

  2272     checked_jni_MonitorExit,

  2274     checked_jni_GetJavaVM,

  2276     checked_jni_GetStringRegion,

  2277     checked_jni_GetStringUTFRegion,

  2279     checked_jni_GetPrimitiveArrayCritical,

  2280     checked_jni_ReleasePrimitiveArrayCritical,

  2282     checked_jni_GetStringCritical,

  2283     checked_jni_ReleaseStringCritical,

  2285     checked_jni_NewWeakGlobalRef,

  2286     checked_jni_DeleteWeakGlobalRef,

  2288     checked_jni_ExceptionCheck,

  2290     checked_jni_NewDirectByteBuffer,

  2291     checked_jni_GetDirectBufferAddress,

  2292     checked_jni_GetDirectBufferCapacity,

  2294     // New 1.6 Features

  2296     checked_jni_GetObjectRefType

  2297 };

  2300 // Returns the function structure

  2301 struct JNINativeInterface_* jni_functions_check() {

  2303   unchecked_jni_NativeInterface = jni_functions_nocheck();

  2305   // make sure the last pointer in the checked table is not null, indicating

  2306   // an addition to the JNINativeInterface_ structure without initializing

  2307   // it in the checked table.

  2308   debug_only(int *lastPtr = (int *)((char *)&checked_jni_NativeInterface + \

  2309              sizeof(*unchecked_jni_NativeInterface) - sizeof(char *));)

  2310   assert(*lastPtr != 0,

  2311          "Mismatched JNINativeInterface tables, check for new entries");

  2313   // with -verbose:jni this message will print

  2314   if (PrintJNIResolving) {

  2315     tty->print_cr("Checked JNI functions are being used to " \

  2316                   "validate JNI usage");

  2317   }

  2319   return &checked_jni_NativeInterface;

  2320 }

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

src/share/vm/prims/jniCheck.cpp@04ff2f6cd0eb

src/share/vm/prims/jniCheck.cpp