jdk8-mips64-public/hotspot: src/share/vm/prims/jniCheck.cpp@b92c45f2bc75

7016023: Enable building ARM and PPC from src/closed repository
Reviewed-by: dholmes, bdelsart

     1 /*

     2  * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.

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

     4  *

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

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

     7  * published by the Free Software Foundation.

     8  *

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

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

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

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

    13  * accompanied this code).

    14  *

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

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

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

    18  *

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

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

    21  * questions.

    22  *

    23  */

    25 #include "precompiled.hpp"

    26 #include "classfile/systemDictionary.hpp"

    27 #include "classfile/vmSymbols.hpp"

    28 #include "oops/instanceKlass.hpp"

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

    30 #include "oops/symbol.hpp"

    31 #include "prims/jni.h"

    32 #include "prims/jniCheck.hpp"

    33 #include "prims/jvm_misc.hpp"

    34 #include "runtime/fieldDescriptor.hpp"

    35 #include "runtime/handles.hpp"

    36 #include "runtime/interfaceSupport.hpp"

    37 #include "runtime/jfieldIDWorkaround.hpp"

    38 #include "runtime/thread.hpp"

    39 #ifdef TARGET_ARCH_x86

    40 # include "jniTypes_x86.hpp"

    41 #endif

    42 #ifdef TARGET_ARCH_sparc

    43 # include "jniTypes_sparc.hpp"

    44 #endif

    45 #ifdef TARGET_ARCH_zero

    46 # include "jniTypes_zero.hpp"

    47 #endif

    48 #ifdef TARGET_ARCH_arm

    49 # include "jniTypes_arm.hpp"

    50 #endif

    51 #ifdef TARGET_ARCH_ppc

    52 # include "jniTypes_ppc.hpp"

    53 #endif

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

    57 // not in native code.

    59 #define ASSERT_OOPS_ALLOWED                                          \

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

    61            "jniCheck examining oops in bad state.")

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

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

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

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

    68 // NATIVE state.

    70 #define IN_VM(source_code)   {                                         \

    71     {                                                                  \

    72       ThreadInVMfromNative __tiv(thr);                                 \

    73       source_code                                                      \

    74     }                                                                  \

    75   }

    78 /*

    79  * DECLARATIONS

    80  */

    82 static struct JNINativeInterface_ * unchecked_jni_NativeInterface;

    85 /*

    86  * MACRO DEFINITIONS

    87  */

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

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

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

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

    94 // assertions in the wrapper routines might fire

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

    98 #define JNI_ENTRY_CHECKED(result_type, header)                           \

    99 extern "C" {                                                             \

   100   result_type JNICALL header {                                           \

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

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

   103       tty->print_cr(fatal_using_jnienv_in_nonjava);                      \

   104       os::abort(true);                                                   \

   105     }                                                                    \

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

   107     if (env != xenv) {                                                   \

   108       NativeReportJNIFatalError(thr, warn_wrong_jnienv);                 \

   109     }                                                                    \

   110     __ENTRY(result_type, header, thr)

   113 #define UNCHECKED() (unchecked_jni_NativeInterface)

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

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

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

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

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

   120   "Get/ReleasePrimitiveArrayCritical or Get/ReleaseStringCritical";

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

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

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

   124 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";

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

   143 // When in VM state:

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

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

   146   thr->print_stack();

   147 }

   149 // When in NATIVE state:

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

   151   IN_VM(

   152     ReportJNIFatalError(thr, msg);

   153   )

   154 }

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

   157   IN_VM(

   158     ReportJNIWarning(thr, msg);

   159   )

   160 }

   165 /*

   166  * SUPPORT FUNCTIONS

   167  */

   169 static inline void

   170 functionEnterCritical(JavaThread* thr)

   171 {

   172   if (thr->has_pending_exception()) {

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

   174   }

   175 }

   177 static inline void

   178 functionEnterCriticalExceptionAllowed(JavaThread* thr)

   179 {

   180 }

   182 static inline void

   183 functionEnter(JavaThread* thr)

   184 {

   185   if (thr->in_critical()) {

   186     tty->print_cr(warn_other_function_in_critical);

   187   }

   188   if (thr->has_pending_exception()) {

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

   190   }

   191 }

   193 static inline void

   194 functionEnterExceptionAllowed(JavaThread* thr)

   195 {

   196   if (thr->in_critical()) {

   197     tty->print_cr(warn_other_function_in_critical);

   198   }

   199 }

   201 static inline void

   202 functionExit(JNIEnv *env)

   203 {

   204   /* nothing to do at this time */

   205 }

   207 static inline void

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

   209 {

   210   fieldDescriptor fd;

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

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

   214     ReportJNIFatalError(thr, fatal_should_be_static);

   216   /* validate the class being passed */

   217   ASSERT_OOPS_ALLOWED;

   218   klassOop k_oop = jniCheck::validate_class(thr, cls, false);

   220   /* check for proper subclass hierarchy */

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

   222   klassOop f_oop = id->holder();

   223   if (!instanceKlass::cast(k_oop)->is_subtype_of(f_oop))

   224     ReportJNIFatalError(thr, fatal_wrong_static_field);

   226   /* check for proper field type */

   227   if (!instanceKlass::cast(f_oop)->find_local_field_from_offset(

   228           id->offset(), true, &fd))

   229     ReportJNIFatalError(thr, fatal_static_field_not_found);

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

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

   232     ReportJNIFatalError(thr, fatal_static_field_mismatch);

   233   }

   234 }

   236 static inline void

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

   238 {

   239   fieldDescriptor fd;

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

   242   if (jfieldIDWorkaround::is_static_jfieldID(fid))

   243     ReportJNIFatalError(thr, fatal_should_be_nonstatic);

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

   246   ASSERT_OOPS_ALLOWED;

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

   248   if (!oopObj) {

   249     ReportJNIFatalError(thr, fatal_null_object);

   250   }

   251   klassOop k_oop = oopObj->klass();

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

   254     ReportJNIFatalError(thr, fatal_wrong_field);

   255   }

   257   /* make sure the field exists */

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

   259   if (!instanceKlass::cast(k_oop)->contains_field_offset(offset))

   260     ReportJNIFatalError(thr, fatal_wrong_field);

   262   /* check for proper field type */

   263   if (!instanceKlass::cast(k_oop)->find_field_from_offset(offset,

   264                                                               false, &fd))

   265     ReportJNIFatalError(thr, fatal_instance_field_not_found);

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

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

   269     ReportJNIFatalError(thr, fatal_instance_field_mismatch);

   270   }

   271 }

   273 static inline void

   274 checkString(JavaThread* thr, jstring js)

   275 {

   276   ASSERT_OOPS_ALLOWED;

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

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

   279     ReportJNIFatalError(thr, fatal_non_string);

   280 }

   282 static inline void

   283 checkArray(JavaThread* thr, jarray jArray, int elementType)

   284 {

   285   ASSERT_OOPS_ALLOWED;

   286   arrayOop aOop;

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

   289   if (aOop == NULL || !aOop->is_array())

   290     ReportJNIFatalError(thr, fatal_non_array);

   292   if (elementType != -1) {

   293     if (aOop->is_typeArray()) {

   294       BasicType array_type = typeArrayKlass::cast(aOop->klass())->element_type();

   295       if (array_type != elementType)

   296         ReportJNIFatalError(thr, fatal_element_type_mismatch);

   297       } else if (aOop->is_objArray()) {

   298         if ( T_OBJECT != elementType)

   299           ReportJNIFatalError(thr, fatal_object_array_expected);

   300       } else {

   301         ReportJNIFatalError(thr, fatal_unknown_array_object);

   302     }

   303   }

   304 }

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

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

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

   310       JNIHandles::is_global_handle(obj) ||

   311       JNIHandles::is_weak_global_handle(obj)) {

   312     ASSERT_OOPS_ALLOWED;

   313     return JNIHandles::resolve_external_guard(obj);

   314   }

   315   ReportJNIFatalError(thr, fatal_bad_ref_to_jni);

   316   return NULL;

   317 }

   320 methodOop jniCheck::validate_jmethod_id(JavaThread* thr, jmethodID method_id) {

   321   ASSERT_OOPS_ALLOWED;

   322   // do the fast jmethodID check first

   323   methodOop moop = JNIHandles::checked_resolve_jmethod_id(method_id);

   324   if (moop == NULL) {

   325     ReportJNIFatalError(thr, fatal_wrong_class_or_method);

   326   }

   327   // jmethodIDs are supposed to be weak global handles, but that

   328   // can be expensive so check it last

   329   else if (!JNIHandles::is_weak_global_handle((jobject) method_id)) {

   330     ReportJNIFatalError(thr, fatal_non_weak_method);

   331   }

   332   return moop;

   333 }

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

   337     if (!obj)

   338         return NULL;

   339     ASSERT_OOPS_ALLOWED;

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

   341     if (!oopObj) {

   342       ReportJNIFatalError(thr, fatal_bad_ref_to_jni);

   343     }

   344     return oopObj;

   345 }

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

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

   349 // array descriptors.

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

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

   353   size_t len = strlen(name);

   355   if (len >= 2 &&

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

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

   358     char msg[JVM_MAXPATHLEN];

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

   360     ReportJNIWarning(thr, msg);

   361   }

   362 }

   364 klassOop jniCheck::validate_class(JavaThread* thr, jclass clazz, bool allow_primitive) {

   365   ASSERT_OOPS_ALLOWED;

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

   367   if (!mirror) {

   368     ReportJNIFatalError(thr, fatal_received_null_class);

   369   }

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

   372     ReportJNIFatalError(thr, fatal_class_not_a_class);

   373   }

   375   klassOop k = java_lang_Class::as_klassOop(mirror);

   376   // Make allowances for primitive classes ...

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

   378     ReportJNIFatalError(thr, fatal_class_not_a_class);

   379   }

   380   return k;

   381 }

   383 void jniCheck::validate_throwable_klass(JavaThread* thr, klassOop klass) {

   384   ASSERT_OOPS_ALLOWED;

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

   387   if (!Klass::cast(klass)->oop_is_instance() ||

   388       !instanceKlass::cast(klass)->is_subclass_of(SystemDictionary::Throwable_klass())) {

   389     ReportJNIFatalError(thr, fatal_class_not_a_throwable_class);

   390   }

   391 }

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

   394   /* validate the object being passed */

   395   ASSERT_OOPS_ALLOWED;

   396   jniCheck::validate_jmethod_id(thr, method_id);

   397   jniCheck::validate_object(thr, obj);

   398 }

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

   401   /* validate the class being passed */

   402   ASSERT_OOPS_ALLOWED;

   403   jniCheck::validate_jmethod_id(thr, method_id);

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

   405 }

   408 /*

   409  * IMPLEMENTATION OF FUNCTIONS IN CHECKED TABLE

   410  */

   412 JNI_ENTRY_CHECKED(jclass,

   413   checked_jni_DefineClass(JNIEnv *env,

   414                           const char *name,

   415                           jobject loader,

   416                           const jbyte *buf,

   417                           jsize len))

   418     functionEnter(thr);

   419     IN_VM(

   420       jniCheck::validate_object(thr, loader);

   421     )

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

   423     functionExit(env);

   424     return result;

   425 JNI_END

   427 JNI_ENTRY_CHECKED(jclass,

   428   checked_jni_FindClass(JNIEnv *env,

   429                         const char *name))

   430     functionEnter(thr);

   431     IN_VM(

   432       jniCheck::validate_class_descriptor(thr, name);

   433     )

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

   435     functionExit(env);

   436     return result;

   437 JNI_END

   439 JNI_ENTRY_CHECKED(jmethodID,

   440   checked_jni_FromReflectedMethod(JNIEnv *env,

   441                                   jobject method))

   442     functionEnter(thr);

   443     IN_VM(

   444       jniCheck::validate_object(thr, method);

   445     )

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

   447     functionExit(env);

   448     return result;

   449 JNI_END

   451 JNI_ENTRY_CHECKED(jfieldID,

   452   checked_jni_FromReflectedField(JNIEnv *env,

   453                                  jobject field))

   454     functionEnter(thr);

   455     IN_VM(

   456       jniCheck::validate_object(thr, field);

   457     )

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

   459     functionExit(env);

   460     return result;

   461 JNI_END

   463 JNI_ENTRY_CHECKED(jobject,

   464   checked_jni_ToReflectedMethod(JNIEnv *env,

   465                                 jclass cls,

   466                                 jmethodID methodID,

   467                                 jboolean isStatic))

   468     functionEnter(thr);

   469     IN_VM(

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

   471       jniCheck::validate_jmethod_id(thr, methodID);

   472     )

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

   474                                                     isStatic);

   475     functionExit(env);

   476     return result;

   477 JNI_END

   479 JNI_ENTRY_CHECKED(jclass,

   480   checked_jni_GetSuperclass(JNIEnv *env,

   481                             jclass sub))

   482     functionEnter(thr);

   483     IN_VM(

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

   485     )

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

   487     functionExit(env);

   488     return result;

   489 JNI_END

   491 JNI_ENTRY_CHECKED(jboolean,

   492   checked_jni_IsAssignableFrom(JNIEnv *env,

   493                                jclass sub,

   494                                jclass sup))

   495     functionEnter(thr);

   496     IN_VM(

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

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

   499     )

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

   501     functionExit(env);

   502     return result;

   503 JNI_END

   505 JNI_ENTRY_CHECKED(jobject,

   506   checked_jni_ToReflectedField(JNIEnv *env,

   507                                jclass cls,

   508                                jfieldID fieldID,

   509                                jboolean isStatic))

   510     functionEnter(thr);

   511     IN_VM(

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

   513     )

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

   515                                                    isStatic);

   516     functionExit(env);

   517     return result;

   518 JNI_END

   520 JNI_ENTRY_CHECKED(jint,

   521   checked_jni_Throw(JNIEnv *env,

   522                     jthrowable obj))

   523     functionEnter(thr);

   524     IN_VM(

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

   526       if (oopObj == NULL) {

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

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

   529       } else {

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

   531       }

   532     )

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

   534     functionExit(env);

   535     return result;

   536 JNI_END

   538 JNI_ENTRY_CHECKED(jint,

   539   checked_jni_ThrowNew(JNIEnv *env,

   540                        jclass clazz,

   541                        const char *msg))

   542     functionEnter(thr);

   543     IN_VM(

   544       klassOop k = jniCheck::validate_class(thr, clazz, false);

   545       assert(k != NULL, "validate_class shouldn't return NULL klassOop");

   546       jniCheck::validate_throwable_klass(thr, k);

   547     )

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

   549     functionExit(env);

   550     return result;

   551 JNI_END

   553 JNI_ENTRY_CHECKED(jthrowable,

   554   checked_jni_ExceptionOccurred(JNIEnv *env))

   555     functionEnterExceptionAllowed(thr);

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

   557     functionExit(env);

   558     return result;

   559 JNI_END

   561 JNI_ENTRY_CHECKED(void,

   562   checked_jni_ExceptionDescribe(JNIEnv *env))

   563     functionEnterExceptionAllowed(thr);

   564     UNCHECKED()->ExceptionDescribe(env);

   565     functionExit(env);

   566 JNI_END

   568 JNI_ENTRY_CHECKED(void,

   569   checked_jni_ExceptionClear(JNIEnv *env))

   570     functionEnterExceptionAllowed(thr);

   571     UNCHECKED()->ExceptionClear(env);

   572     functionExit(env);

   573 JNI_END

   575 JNI_ENTRY_CHECKED(void,

   576   checked_jni_FatalError(JNIEnv *env,

   577                          const char *msg))

   578     functionEnter(thr);

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

   580     functionExit(env);

   581 JNI_END

   583 JNI_ENTRY_CHECKED(jint,

   584   checked_jni_PushLocalFrame(JNIEnv *env,

   585                              jint capacity))

   586     functionEnterExceptionAllowed(thr);

   587     if (capacity < 0)

   588       NativeReportJNIFatalError(thr, "negative capacity");

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

   590     functionExit(env);

   591     return result;

   592 JNI_END

   594 JNI_ENTRY_CHECKED(jobject,

   595   checked_jni_PopLocalFrame(JNIEnv *env,

   596                             jobject result))

   597     functionEnterExceptionAllowed(thr);

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

   599     functionExit(env);

   600     return res;

   601 JNI_END

   603 JNI_ENTRY_CHECKED(jobject,

   604   checked_jni_NewGlobalRef(JNIEnv *env,

   605                            jobject lobj))

   606     functionEnter(thr);

   607     IN_VM(

   608       if (lobj != NULL) {

   609         jniCheck::validate_handle(thr, lobj);

   610       }

   611     )

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

   613     functionExit(env);

   614     return result;

   615 JNI_END

   617 JNI_ENTRY_CHECKED(void,

   618   checked_jni_DeleteGlobalRef(JNIEnv *env,

   619                               jobject gref))

   620     functionEnterExceptionAllowed(thr);

   621     IN_VM(

   622       jniCheck::validate_object(thr, gref);

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

   624         ReportJNIFatalError(thr,

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

   626       }

   627     )

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

   629     functionExit(env);

   630 JNI_END

   632 JNI_ENTRY_CHECKED(void,

   633   checked_jni_DeleteLocalRef(JNIEnv *env,

   634                              jobject obj))

   635     functionEnterExceptionAllowed(thr);

   636     IN_VM(

   637       jniCheck::validate_object(thr, obj);

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

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

   640         ReportJNIFatalError(thr,

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

   642     )

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

   644     functionExit(env);

   645 JNI_END

   647 JNI_ENTRY_CHECKED(jboolean,

   648   checked_jni_IsSameObject(JNIEnv *env,

   649                            jobject obj1,

   650                            jobject obj2))

   651     functionEnterExceptionAllowed(thr);

   652     IN_VM(

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

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

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

   656        */

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

   658         jniCheck::validate_object(thr, obj1);

   659       }

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

   661         jniCheck::validate_object(thr, obj2);

   662       }

   663     )

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

   665     functionExit(env);

   666     return result;

   667 JNI_END

   669 JNI_ENTRY_CHECKED(jobject,

   670   checked_jni_NewLocalRef(JNIEnv *env,

   671                           jobject ref))

   672     functionEnter(thr);

   673     IN_VM(

   674       if (ref != NULL) {

   675         jniCheck::validate_handle(thr, ref);

   676       }

   677     )

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

   679     functionExit(env);

   680     return result;

   681 JNI_END

   683 JNI_ENTRY_CHECKED(jint,

   684   checked_jni_EnsureLocalCapacity(JNIEnv *env,

   685                                   jint capacity))

   686     functionEnter(thr);

   687     if (capacity < 0) {

   688       NativeReportJNIFatalError(thr, "negative capacity");

   689     }

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

   691     functionExit(env);

   692     return result;

   693 JNI_END

   695 JNI_ENTRY_CHECKED(jobject,

   696   checked_jni_AllocObject(JNIEnv *env,

   697                           jclass clazz))

   698     functionEnter(thr);

   699     IN_VM(

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

   701     )

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

   703     functionExit(env);

   704     return result;

   705 JNI_END

   707 JNI_ENTRY_CHECKED(jobject,

   708   checked_jni_NewObject(JNIEnv *env,

   709                         jclass clazz,

   710                         jmethodID methodID,

   711                         ...))

   712     functionEnter(thr);

   713     va_list args;

   714     IN_VM(

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

   716       jniCheck::validate_jmethod_id(thr, methodID);

   717     )

   718     va_start(args, methodID);

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

   720     va_end(args);

   721     functionExit(env);

   722     return result;

   723 JNI_END

   725 JNI_ENTRY_CHECKED(jobject,

   726   checked_jni_NewObjectV(JNIEnv *env,

   727                          jclass clazz,

   728                          jmethodID methodID,

   729                          va_list args))

   730     functionEnter(thr);

   731     IN_VM(

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

   733       jniCheck::validate_jmethod_id(thr, methodID);

   734     )

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

   736     functionExit(env);

   737     return result;

   738 JNI_END

   740 JNI_ENTRY_CHECKED(jobject,

   741   checked_jni_NewObjectA(JNIEnv *env,

   742                          jclass clazz,

   743                          jmethodID methodID,

   744                          const jvalue *args))

   745     functionEnter(thr);

   746     IN_VM(

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

   748       jniCheck::validate_jmethod_id(thr, methodID);

   749     )

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

   751     functionExit(env);

   752     return result;

   753 JNI_END

   755 JNI_ENTRY_CHECKED(jclass,

   756   checked_jni_GetObjectClass(JNIEnv *env,

   757                              jobject obj))

   758     functionEnter(thr);

   759     IN_VM(

   760       jniCheck::validate_object(thr, obj);

   761     )

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

   763     functionExit(env);

   764     return result;

   765 JNI_END

   767 JNI_ENTRY_CHECKED(jboolean,

   768   checked_jni_IsInstanceOf(JNIEnv *env,

   769                            jobject obj,

   770                            jclass clazz))

   771     functionEnter(thr);

   772     IN_VM(

   773       jniCheck::validate_object(thr, obj);

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

   775     )

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

   777     functionExit(env);

   778     return result;

   779 JNI_END

   781 JNI_ENTRY_CHECKED(jmethodID,

   782   checked_jni_GetMethodID(JNIEnv *env,

   783                           jclass clazz,

   784                           const char *name,

   785                           const char *sig))

   786     functionEnter(thr);

   787     IN_VM(

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

   789     )

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

   791     functionExit(env);

   792     return result;

   793 JNI_END

   795 #define WRAPPER_CallMethod(ResultType, Result) \

   796 JNI_ENTRY_CHECKED(ResultType,  \

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

   798                                    jobject obj, \

   799                                    jmethodID methodID, \

   800                                    ...)) \

   801     functionEnter(thr); \

   802     va_list args; \

   803     IN_VM( \

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

   805     ) \

   806     va_start(args,methodID); \

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

   808                                                           args); \

   809     va_end(args); \

   810     functionExit(env); \

   811     return result; \

   812 JNI_END \

   813 \

   814 JNI_ENTRY_CHECKED(ResultType,  \

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

   816                                     jobject obj, \

   817                                     jmethodID methodID, \

   818                                     va_list args)) \

   819     functionEnter(thr); \

   820     IN_VM(\

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

   822     ) \

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

   824                                                            args); \

   825     functionExit(env); \

   826     return result; \

   827 JNI_END \

   828 \

   829 JNI_ENTRY_CHECKED(ResultType,  \

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

   831                                     jobject obj, \

   832                                     jmethodID methodID, \

   833                                     const jvalue * args)) \

   834     functionEnter(thr); \

   835     IN_VM( \

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

   837     ) \

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

   839                                                            args); \

   840     functionExit(env); \

   841     return result; \

   842 JNI_END

   844 WRAPPER_CallMethod(jobject,Object)

   845 WRAPPER_CallMethod(jboolean,Boolean)

   846 WRAPPER_CallMethod(jbyte,Byte)

   847 WRAPPER_CallMethod(jshort,Short)

   848 WRAPPER_CallMethod(jchar,Char)

   849 WRAPPER_CallMethod(jint,Int)

   850 WRAPPER_CallMethod(jlong,Long)

   851 WRAPPER_CallMethod(jfloat,Float)

   852 WRAPPER_CallMethod(jdouble,Double)

   854 JNI_ENTRY_CHECKED(void,

   855   checked_jni_CallVoidMethod(JNIEnv *env, \

   856                              jobject obj, \

   857                              jmethodID methodID, \

   858                              ...))

   859     functionEnter(thr);

   860     va_list args;

   861     IN_VM(

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

   863     )

   864     va_start(args,methodID);

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

   866     va_end(args);

   867     functionExit(env);

   868 JNI_END

   870 JNI_ENTRY_CHECKED(void,

   871   checked_jni_CallVoidMethodV(JNIEnv *env,

   872                               jobject obj,

   873                               jmethodID methodID,

   874                               va_list args))

   875     functionEnter(thr);

   876     IN_VM(

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

   878     )

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

   880     functionExit(env);

   881 JNI_END

   883 JNI_ENTRY_CHECKED(void,

   884   checked_jni_CallVoidMethodA(JNIEnv *env,

   885                               jobject obj,

   886                               jmethodID methodID,

   887                               const jvalue * args))

   888     functionEnter(thr);

   889     IN_VM(

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

   891     )

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

   893     functionExit(env);

   894 JNI_END

   896 #define WRAPPER_CallNonvirtualMethod(ResultType, Result) \

   897 JNI_ENTRY_CHECKED(ResultType,  \

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

   899                                              jobject obj, \

   900                                              jclass clazz, \

   901                                              jmethodID methodID, \

   902                                              ...)) \

   903     functionEnter(thr); \

   904     va_list args; \

   905     IN_VM( \

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

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

   908     ) \

   909     va_start(args,methodID); \

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

   911                                                                      obj, \

   912                                                                      clazz, \

   913                                                                      methodID,\

   914                                                                      args); \

   915     va_end(args); \

   916     functionExit(env); \

   917     return result; \

   918 JNI_END \

   919 \

   920 JNI_ENTRY_CHECKED(ResultType,  \

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

   922                                               jobject obj, \

   923                                               jclass clazz, \

   924                                               jmethodID methodID, \

   925                                               va_list args)) \

   926     functionEnter(thr); \

   927     IN_VM( \

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

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

   930     ) \

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

   932                                                                      obj, \

   933                                                                      clazz, \

   934                                                                      methodID,\

   935                                                                      args); \

   936     functionExit(env); \

   937     return result; \

   938 JNI_END \

   939 \

   940 JNI_ENTRY_CHECKED(ResultType,  \

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

   942                                               jobject obj, \

   943                                               jclass clazz, \

   944                                               jmethodID methodID, \

   945                                               const jvalue * args)) \

   946     functionEnter(thr); \

   947     IN_VM( \

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

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

   950     ) \

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

   952                                                                      obj, \

   953                                                                      clazz, \

   954                                                                      methodID,\

   955                                                                      args); \

   956     functionExit(env); \

   957     return result; \

   958 JNI_END

   960 WRAPPER_CallNonvirtualMethod(jobject,Object)

   961 WRAPPER_CallNonvirtualMethod(jboolean,Boolean)

   962 WRAPPER_CallNonvirtualMethod(jbyte,Byte)

   963 WRAPPER_CallNonvirtualMethod(jshort,Short)

   964 WRAPPER_CallNonvirtualMethod(jchar,Char)

   965 WRAPPER_CallNonvirtualMethod(jint,Int)

   966 WRAPPER_CallNonvirtualMethod(jlong,Long)

   967 WRAPPER_CallNonvirtualMethod(jfloat,Float)

   968 WRAPPER_CallNonvirtualMethod(jdouble,Double)

   970 JNI_ENTRY_CHECKED(void,

   971   checked_jni_CallNonvirtualVoidMethod(JNIEnv *env,

   972                                        jobject obj,

   973                                        jclass clazz,

   974                                        jmethodID methodID,

   975                                        ...))

   976     functionEnter(thr);

   977     va_list args;

   978     IN_VM(

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

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

   981     )

   982     va_start(args,methodID);

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

   984     va_end(args);

   985     functionExit(env);

   986 JNI_END

   988 JNI_ENTRY_CHECKED(void,

   989   checked_jni_CallNonvirtualVoidMethodV(JNIEnv *env,

   990                                         jobject obj,

   991                                         jclass clazz,

   992                                         jmethodID methodID,

   993                                         va_list args))

   994     functionEnter(thr);

   995     IN_VM(

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

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

   998     )

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

  1000     functionExit(env);

  1001 JNI_END

  1003 JNI_ENTRY_CHECKED(void,

  1004   checked_jni_CallNonvirtualVoidMethodA(JNIEnv *env,

  1005                                         jobject obj,

  1006                                         jclass clazz,

  1007                                         jmethodID methodID,

  1008                                         const jvalue * args))

  1009     functionEnter(thr);

  1010     IN_VM(

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

  1012       jniCheck::validate_call_class(thr, clazz, methodID);

  1013     )

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

  1015     functionExit(env);

  1016 JNI_END

  1018 JNI_ENTRY_CHECKED(jfieldID,

  1019   checked_jni_GetFieldID(JNIEnv *env,

  1020                          jclass clazz,

  1021                          const char *name,

  1022                          const char *sig))

  1023     functionEnter(thr);

  1024     IN_VM(

  1025       jniCheck::validate_class(thr, clazz, false);

  1026     )

  1027     jfieldID result = UNCHECKED()->GetFieldID(env,clazz,name,sig);

  1028     functionExit(env);

  1029     return result;

  1030 JNI_END

  1032 #define WRAPPER_GetField(ReturnType,Result,FieldType) \

  1033 JNI_ENTRY_CHECKED(ReturnType,  \

  1034   checked_jni_Get##Result##Field(JNIEnv *env, \

  1035                                  jobject obj, \

  1036                                  jfieldID fieldID)) \

  1037     functionEnter(thr); \

  1038     IN_VM( \

  1039       checkInstanceFieldID(thr, fieldID, obj, FieldType); \

  1040     ) \

  1041     ReturnType result = UNCHECKED()->Get##Result##Field(env,obj,fieldID); \

  1042     functionExit(env); \

  1043     return result; \

  1044 JNI_END

  1046 WRAPPER_GetField(jobject,  Object,  T_OBJECT)

  1047 WRAPPER_GetField(jboolean, Boolean, T_BOOLEAN)

  1048 WRAPPER_GetField(jbyte,    Byte,    T_BYTE)

  1049 WRAPPER_GetField(jshort,   Short,   T_SHORT)

  1050 WRAPPER_GetField(jchar,    Char,    T_CHAR)

  1051 WRAPPER_GetField(jint,     Int,     T_INT)

  1052 WRAPPER_GetField(jlong,    Long,    T_LONG)

  1053 WRAPPER_GetField(jfloat,   Float,   T_FLOAT)

  1054 WRAPPER_GetField(jdouble,  Double,  T_DOUBLE)

  1056 #define WRAPPER_SetField(ValueType,Result,FieldType) \

  1057 JNI_ENTRY_CHECKED(void,  \

  1058   checked_jni_Set##Result##Field(JNIEnv *env, \

  1059                                  jobject obj, \

  1060                                  jfieldID fieldID, \

  1061                                  ValueType val)) \

  1062     functionEnter(thr); \

  1063     IN_VM( \

  1064       checkInstanceFieldID(thr, fieldID, obj, FieldType); \

  1065     ) \

  1066     UNCHECKED()->Set##Result##Field(env,obj,fieldID,val); \

  1067     functionExit(env); \

  1068 JNI_END

  1070 WRAPPER_SetField(jobject,  Object,  T_OBJECT)

  1071 WRAPPER_SetField(jboolean, Boolean, T_BOOLEAN)

  1072 WRAPPER_SetField(jbyte,    Byte,    T_BYTE)

  1073 WRAPPER_SetField(jshort,   Short,   T_SHORT)

  1074 WRAPPER_SetField(jchar,    Char,    T_CHAR)

  1075 WRAPPER_SetField(jint,     Int,     T_INT)

  1076 WRAPPER_SetField(jlong,    Long,    T_LONG)

  1077 WRAPPER_SetField(jfloat,   Float,   T_FLOAT)

  1078 WRAPPER_SetField(jdouble,  Double,  T_DOUBLE)

  1081 JNI_ENTRY_CHECKED(jmethodID,

  1082   checked_jni_GetStaticMethodID(JNIEnv *env,

  1083                                 jclass clazz,

  1084                                 const char *name,

  1085                                 const char *sig))

  1086     functionEnter(thr);

  1087     IN_VM(

  1088       jniCheck::validate_class(thr, clazz, false);

  1089     )

  1090     jmethodID result = UNCHECKED()->GetStaticMethodID(env,clazz,name,sig);

  1091     functionExit(env);

  1092     return result;

  1093 JNI_END

  1095 #define WRAPPER_CallStaticMethod(ReturnType,Result) \

  1096 JNI_ENTRY_CHECKED(ReturnType,  \

  1097   checked_jni_CallStatic##Result##Method(JNIEnv *env, \

  1098                                          jclass clazz, \

  1099                                          jmethodID methodID, \

  1100                                          ...)) \

  1101     functionEnter(thr); \

  1102     va_list args; \

  1103     IN_VM( \

  1104       jniCheck::validate_jmethod_id(thr, methodID); \

  1105       jniCheck::validate_class(thr, clazz, false); \

  1106     ) \

  1107     va_start(args,methodID); \

  1108     ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \

  1109                                                                  clazz, \

  1110                                                                  methodID, \

  1111                                                                  args); \

  1112     va_end(args); \

  1113     functionExit(env); \

  1114     return result; \

  1115 JNI_END \

  1116 \

  1117 JNI_ENTRY_CHECKED(ReturnType,  \

  1118   checked_jni_CallStatic##Result##MethodV(JNIEnv *env, \

  1119                                           jclass clazz, \

  1120                                           jmethodID methodID,\

  1121                                           va_list args)) \

  1122     functionEnter(thr); \

  1123     IN_VM( \

  1124       jniCheck::validate_jmethod_id(thr, methodID); \

  1125       jniCheck::validate_class(thr, clazz, false); \

  1126     ) \

  1127     ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \

  1128                                                                  clazz, \

  1129                                                                  methodID, \

  1130                                                                  args); \

  1131     functionExit(env); \

  1132     return result; \

  1133 JNI_END \

  1134 \

  1135 JNI_ENTRY_CHECKED(ReturnType,  \

  1136   checked_jni_CallStatic##Result##MethodA(JNIEnv *env, \

  1137                                           jclass clazz, \

  1138                                           jmethodID methodID, \

  1139                                           const jvalue *args)) \

  1140     functionEnter(thr); \

  1141     IN_VM( \

  1142       jniCheck::validate_jmethod_id(thr, methodID); \

  1143       jniCheck::validate_class(thr, clazz, false); \

  1144     ) \

  1145     ReturnType result = UNCHECKED()->CallStatic##Result##MethodA(env, \

  1146                                                                  clazz, \

  1147                                                                  methodID, \

  1148                                                                  args); \

  1149     functionExit(env); \

  1150     return result; \

  1151 JNI_END

  1153 WRAPPER_CallStaticMethod(jobject,Object)

  1154 WRAPPER_CallStaticMethod(jboolean,Boolean)

  1155 WRAPPER_CallStaticMethod(jbyte,Byte)

  1156 WRAPPER_CallStaticMethod(jshort,Short)

  1157 WRAPPER_CallStaticMethod(jchar,Char)

  1158 WRAPPER_CallStaticMethod(jint,Int)

  1159 WRAPPER_CallStaticMethod(jlong,Long)

  1160 WRAPPER_CallStaticMethod(jfloat,Float)

  1161 WRAPPER_CallStaticMethod(jdouble,Double)

  1163 JNI_ENTRY_CHECKED(void,

  1164   checked_jni_CallStaticVoidMethod(JNIEnv *env,

  1165                                    jclass cls,

  1166                                    jmethodID methodID,

  1167                                    ...))

  1168     functionEnter(thr);

  1169     va_list args;

  1170     IN_VM(

  1171       jniCheck::validate_jmethod_id(thr, methodID);

  1172       jniCheck::validate_class(thr, cls, false);

  1173     )

  1174     va_start(args,methodID);

  1175     UNCHECKED()->CallStaticVoidMethodV(env,cls,methodID,args);

  1176     va_end(args);

  1177     functionExit(env);

  1178 JNI_END

  1180 JNI_ENTRY_CHECKED(void,

  1181   checked_jni_CallStaticVoidMethodV(JNIEnv *env,

  1182                                     jclass cls,

  1183                                     jmethodID methodID,

  1184                                     va_list args))

  1185     functionEnter(thr);

  1186     IN_VM(

  1187       jniCheck::validate_jmethod_id(thr, methodID);

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

  1189     )

  1190     UNCHECKED()->CallStaticVoidMethodV(env,cls,methodID,args);

  1191     functionExit(env);

  1192 JNI_END

  1194 JNI_ENTRY_CHECKED(void,

  1195   checked_jni_CallStaticVoidMethodA(JNIEnv *env,

  1196                                     jclass cls,

  1197                                     jmethodID methodID,

  1198                                     const jvalue * args))

  1199     functionEnter(thr);

  1200     IN_VM(

  1201       jniCheck::validate_jmethod_id(thr, methodID);

  1202       jniCheck::validate_class(thr, cls, false);

  1203     )

  1204     UNCHECKED()->CallStaticVoidMethodA(env,cls,methodID,args);

  1205     functionExit(env);

  1206 JNI_END

  1208 JNI_ENTRY_CHECKED(jfieldID,

  1209   checked_jni_GetStaticFieldID(JNIEnv *env,

  1210                                jclass clazz,

  1211                                const char *name,

  1212                                const char *sig))

  1213     functionEnter(thr);

  1214     IN_VM(

  1215       jniCheck::validate_class(thr, clazz, false);

  1216     )

  1217     jfieldID result = UNCHECKED()->GetStaticFieldID(env,clazz,name,sig);

  1218     functionExit(env);

  1219     return result;

  1220 JNI_END

  1222 #define WRAPPER_GetStaticField(ReturnType,Result,FieldType) \

  1223 JNI_ENTRY_CHECKED(ReturnType,  \

  1224   checked_jni_GetStatic##Result##Field(JNIEnv *env, \

  1225                                        jclass clazz, \

  1226                                        jfieldID fieldID)) \

  1227     functionEnter(thr); \

  1228     IN_VM( \

  1229       jniCheck::validate_class(thr, clazz, false); \

  1230       checkStaticFieldID(thr, fieldID, clazz, FieldType); \

  1231     ) \

  1232     ReturnType result = UNCHECKED()->GetStatic##Result##Field(env, \

  1233                                                               clazz, \

  1234                                                               fieldID); \

  1235     functionExit(env); \

  1236     return result; \

  1237 JNI_END

  1239 WRAPPER_GetStaticField(jobject,  Object,  T_OBJECT)

  1240 WRAPPER_GetStaticField(jboolean, Boolean, T_BOOLEAN)

  1241 WRAPPER_GetStaticField(jbyte,    Byte,    T_BYTE)

  1242 WRAPPER_GetStaticField(jshort,   Short,   T_SHORT)

  1243 WRAPPER_GetStaticField(jchar,    Char,    T_CHAR)

  1244 WRAPPER_GetStaticField(jint,     Int,     T_INT)

  1245 WRAPPER_GetStaticField(jlong,    Long,    T_LONG)

  1246 WRAPPER_GetStaticField(jfloat,   Float,   T_FLOAT)

  1247 WRAPPER_GetStaticField(jdouble,  Double,  T_DOUBLE)

  1249 #define WRAPPER_SetStaticField(ValueType,Result,FieldType) \

  1250 JNI_ENTRY_CHECKED(void,  \

  1251   checked_jni_SetStatic##Result##Field(JNIEnv *env, \

  1252                                        jclass clazz, \

  1253                                        jfieldID fieldID, \

  1254                                        ValueType value)) \

  1255     functionEnter(thr); \

  1256     IN_VM( \

  1257       jniCheck::validate_class(thr, clazz, false); \

  1258       checkStaticFieldID(thr, fieldID, clazz, FieldType); \

  1259     ) \

  1260     UNCHECKED()->SetStatic##Result##Field(env,clazz,fieldID,value); \

  1261     functionExit(env); \

  1262 JNI_END

  1264 WRAPPER_SetStaticField(jobject,  Object,  T_OBJECT)

  1265 WRAPPER_SetStaticField(jboolean, Boolean, T_BOOLEAN)

  1266 WRAPPER_SetStaticField(jbyte,    Byte,    T_BYTE)

  1267 WRAPPER_SetStaticField(jshort,   Short,   T_SHORT)

  1268 WRAPPER_SetStaticField(jchar,    Char,    T_CHAR)

  1269 WRAPPER_SetStaticField(jint,     Int,     T_INT)

  1270 WRAPPER_SetStaticField(jlong,    Long,    T_LONG)

  1271 WRAPPER_SetStaticField(jfloat,   Float,   T_FLOAT)

  1272 WRAPPER_SetStaticField(jdouble,  Double,  T_DOUBLE)

  1275 JNI_ENTRY_CHECKED(jstring,

  1276   checked_jni_NewString(JNIEnv *env,

  1277                         const jchar *unicode,

  1278                         jsize len))

  1279     functionEnter(thr);

  1280     jstring result = UNCHECKED()->NewString(env,unicode,len);

  1281     functionExit(env);

  1282     return result;

  1283 JNI_END

  1285 JNI_ENTRY_CHECKED(jsize,

  1286   checked_jni_GetStringLength(JNIEnv *env,

  1287                               jstring str))

  1288     functionEnter(thr);

  1289     IN_VM(

  1290       checkString(thr, str);

  1291     )

  1292     jsize result = UNCHECKED()->GetStringLength(env,str);

  1293     functionExit(env);

  1294     return result;

  1295 JNI_END

  1297 // Arbitrary (but well-known) tag

  1298 const jint STRING_TAG = 0x47114711;

  1300 JNI_ENTRY_CHECKED(const jchar *,

  1301   checked_jni_GetStringChars(JNIEnv *env,

  1302                              jstring str,

  1303                              jboolean *isCopy))

  1304     functionEnter(thr);

  1305     IN_VM(

  1306       checkString(thr, str);

  1307     )

  1308     const jchar *result = UNCHECKED()->GetStringChars(env,str,isCopy);

  1309     assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringChars didn't return a copy as expected");

  1311     size_t len = UNCHECKED()->GetStringLength(env,str) + 1; // + 1 for NULL termination

  1312     jint* tagLocation = (jint*) AllocateHeap(len * sizeof(jchar) + sizeof(jint), "checked_jni_GetStringChars");

  1313     *tagLocation = STRING_TAG;

  1314     jchar* newResult = (jchar*) (tagLocation + 1);

  1315     memcpy(newResult, result, len * sizeof(jchar));

  1316     // Avoiding call to UNCHECKED()->ReleaseStringChars() since that will fire unexpected dtrace probes

  1317     // Note that the dtrace arguments for the allocated memory will not match up with this solution.

  1318     FreeHeap((char*)result);

  1320     functionExit(env);

  1321     return newResult;

  1322 JNI_END

  1324 JNI_ENTRY_CHECKED(void,

  1325   checked_jni_ReleaseStringChars(JNIEnv *env,

  1326                                  jstring str,

  1327                                  const jchar *chars))

  1328     functionEnterExceptionAllowed(thr);

  1329     IN_VM(

  1330       checkString(thr, str);

  1331     )

  1332     if (chars == NULL) {

  1333        // still do the unchecked call to allow dtrace probes

  1334        UNCHECKED()->ReleaseStringChars(env,str,chars);

  1335     }

  1336     else {

  1337        jint* tagLocation = ((jint*) chars) - 1;

  1338        if (*tagLocation != STRING_TAG) {

  1339           NativeReportJNIFatalError(thr, "ReleaseStringChars called on something not allocated by GetStringChars");

  1340        }

  1341        UNCHECKED()->ReleaseStringChars(env,str,(const jchar*)tagLocation);

  1342     }

  1343     functionExit(env);

  1344 JNI_END

  1346 JNI_ENTRY_CHECKED(jstring,

  1347   checked_jni_NewStringUTF(JNIEnv *env,

  1348                            const char *utf))

  1349     functionEnter(thr);

  1350     jstring result = UNCHECKED()->NewStringUTF(env,utf);

  1351     functionExit(env);

  1352     return result;

  1353 JNI_END

  1355 JNI_ENTRY_CHECKED(jsize,

  1356   checked_jni_GetStringUTFLength(JNIEnv *env,

  1357                                  jstring str))

  1358     functionEnter(thr);

  1359     IN_VM(

  1360       checkString(thr, str);

  1361     )

  1362     jsize result = UNCHECKED()->GetStringUTFLength(env,str);

  1363     functionExit(env);

  1364     return result;

  1365 JNI_END

  1367 // Arbitrary (but well-known) tag - different than GetStringChars

  1368 const jint STRING_UTF_TAG = 0x48124812;

  1370 JNI_ENTRY_CHECKED(const char *,

  1371   checked_jni_GetStringUTFChars(JNIEnv *env,

  1372                                 jstring str,

  1373                                 jboolean *isCopy))

  1374     functionEnter(thr);

  1375     IN_VM(

  1376       checkString(thr, str);

  1377     )

  1378     const char *result = UNCHECKED()->GetStringUTFChars(env,str,isCopy);

  1379     assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringUTFChars didn't return a copy as expected");

  1381     size_t len = strlen(result) + 1; // + 1 for NULL termination

  1382     jint* tagLocation = (jint*) AllocateHeap(len + sizeof(jint), "checked_jni_GetStringUTFChars");

  1383     *tagLocation = STRING_UTF_TAG;

  1384     char* newResult = (char*) (tagLocation + 1);

  1385     strcpy(newResult, result);

  1386     // Avoiding call to UNCHECKED()->ReleaseStringUTFChars() since that will fire unexpected dtrace probes

  1387     // Note that the dtrace arguments for the allocated memory will not match up with this solution.

  1388     FreeHeap((char*)result);

  1390     functionExit(env);

  1391     return newResult;

  1392 JNI_END

  1394 JNI_ENTRY_CHECKED(void,

  1395   checked_jni_ReleaseStringUTFChars(JNIEnv *env,

  1396                                     jstring str,

  1397                                     const char* chars))

  1398     functionEnterExceptionAllowed(thr);

  1399     IN_VM(

  1400       checkString(thr, str);

  1401     )

  1402     if (chars == NULL) {

  1403        // still do the unchecked call to allow dtrace probes

  1404        UNCHECKED()->ReleaseStringUTFChars(env,str,chars);

  1405     }

  1406     else {

  1407        jint* tagLocation = ((jint*) chars) - 1;

  1408        if (*tagLocation != STRING_UTF_TAG) {

  1409           NativeReportJNIFatalError(thr, "ReleaseStringUTFChars called on something not allocated by GetStringUTFChars");

  1410        }

  1411        UNCHECKED()->ReleaseStringUTFChars(env,str,(const char*)tagLocation);

  1412     }

  1413     functionExit(env);

  1414 JNI_END

  1416 JNI_ENTRY_CHECKED(jsize,

  1417   checked_jni_GetArrayLength(JNIEnv *env,

  1418                              jarray array))

  1419     functionEnter(thr);

  1420     IN_VM(

  1421       checkArray(thr, array, -1);

  1422     )

  1423     jsize result = UNCHECKED()->GetArrayLength(env,array);

  1424     functionExit(env);

  1425     return result;

  1426 JNI_END

  1428 JNI_ENTRY_CHECKED(jobjectArray,

  1429   checked_jni_NewObjectArray(JNIEnv *env,

  1430                              jsize len,

  1431                              jclass clazz,

  1432                              jobject init))

  1433     functionEnter(thr);

  1434     jobjectArray result = UNCHECKED()->NewObjectArray(env,len,clazz,init);

  1435     functionExit(env);

  1436     return result;

  1437 JNI_END

  1439 JNI_ENTRY_CHECKED(jobject,

  1440   checked_jni_GetObjectArrayElement(JNIEnv *env,

  1441                                     jobjectArray array,

  1442                                     jsize index))

  1443     functionEnter(thr);

  1444     IN_VM(

  1445       checkArray(thr, array, T_OBJECT);

  1446     )

  1447     jobject result = UNCHECKED()->GetObjectArrayElement(env,array,index);

  1448     functionExit(env);

  1449     return result;

  1450 JNI_END

  1452 JNI_ENTRY_CHECKED(void,

  1453   checked_jni_SetObjectArrayElement(JNIEnv *env,

  1454                                     jobjectArray array,

  1455                                     jsize index,

  1456                                     jobject val))

  1457     functionEnter(thr);

  1458     IN_VM(

  1459       checkArray(thr, array, T_OBJECT);

  1460     )

  1461     UNCHECKED()->SetObjectArrayElement(env,array,index,val);

  1462     functionExit(env);

  1463 JNI_END

  1465 #define WRAPPER_NewScalarArray(Return, Result) \

  1466 JNI_ENTRY_CHECKED(Return, \

  1467   checked_jni_New##Result##Array(JNIEnv *env, \

  1468                                  jsize len)) \

  1469     functionEnter(thr); \

  1470     Return result = UNCHECKED()->New##Result##Array(env,len); \

  1471     functionExit(env); \

  1472     return (Return) result; \

  1473 JNI_END

  1475 WRAPPER_NewScalarArray(jbooleanArray, Boolean)

  1476 WRAPPER_NewScalarArray(jbyteArray, Byte)

  1477 WRAPPER_NewScalarArray(jshortArray, Short)

  1478 WRAPPER_NewScalarArray(jcharArray, Char)

  1479 WRAPPER_NewScalarArray(jintArray, Int)

  1480 WRAPPER_NewScalarArray(jlongArray, Long)

  1481 WRAPPER_NewScalarArray(jfloatArray, Float)

  1482 WRAPPER_NewScalarArray(jdoubleArray, Double)

  1484 #define WRAPPER_GetScalarArrayElements(ElementTag,ElementType,Result) \

  1485 JNI_ENTRY_CHECKED(ElementType *,  \

  1486   checked_jni_Get##Result##ArrayElements(JNIEnv *env, \

  1487                                          ElementType##Array array, \

  1488                                          jboolean *isCopy)) \

  1489     functionEnter(thr); \

  1490     IN_VM( \

  1491       checkArray(thr, array, ElementTag); \

  1492     ) \

  1493     ElementType *result = UNCHECKED()->Get##Result##ArrayElements(env, \

  1494                                                                   array, \

  1495                                                                   isCopy); \

  1496     functionExit(env); \

  1497     return result; \

  1498 JNI_END

  1500 WRAPPER_GetScalarArrayElements(T_BOOLEAN, jboolean, Boolean)

  1501 WRAPPER_GetScalarArrayElements(T_BYTE,    jbyte,    Byte)

  1502 WRAPPER_GetScalarArrayElements(T_SHORT,   jshort,   Short)

  1503 WRAPPER_GetScalarArrayElements(T_CHAR,    jchar,    Char)

  1504 WRAPPER_GetScalarArrayElements(T_INT,     jint,     Int)

  1505 WRAPPER_GetScalarArrayElements(T_LONG,    jlong,    Long)

  1506 WRAPPER_GetScalarArrayElements(T_FLOAT,   jfloat,   Float)

  1507 WRAPPER_GetScalarArrayElements(T_DOUBLE,  jdouble,  Double)

  1509 #define WRAPPER_ReleaseScalarArrayElements(ElementTag,ElementType,Result,Tag) \

  1510 JNI_ENTRY_CHECKED(void,  \

  1511   checked_jni_Release##Result##ArrayElements(JNIEnv *env, \

  1512                                              ElementType##Array array, \

  1513                                              ElementType *elems, \

  1514                                              jint mode)) \

  1515     functionEnterExceptionAllowed(thr); \

  1516     IN_VM( \

  1517       checkArray(thr, array, ElementTag); \

  1518       ASSERT_OOPS_ALLOWED; \

  1519       typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \

  1520       /* cannot check validity of copy, unless every request is logged by

  1521        * checking code.  Implementation of this check is deferred until a

  1522        * subsequent release.

  1523        */ \

  1524     ) \

  1525     UNCHECKED()->Release##Result##ArrayElements(env,array,elems,mode); \

  1526     functionExit(env); \

  1527 JNI_END

  1529 WRAPPER_ReleaseScalarArrayElements(T_BOOLEAN,jboolean, Boolean, bool)

  1530 WRAPPER_ReleaseScalarArrayElements(T_BYTE,   jbyte,    Byte,    byte)

  1531 WRAPPER_ReleaseScalarArrayElements(T_SHORT,  jshort,   Short,   short)

  1532 WRAPPER_ReleaseScalarArrayElements(T_CHAR,   jchar,    Char,    char)

  1533 WRAPPER_ReleaseScalarArrayElements(T_INT,    jint,     Int,     int)

  1534 WRAPPER_ReleaseScalarArrayElements(T_LONG,   jlong,    Long,    long)

  1535 WRAPPER_ReleaseScalarArrayElements(T_FLOAT,  jfloat,   Float,   float)

  1536 WRAPPER_ReleaseScalarArrayElements(T_DOUBLE, jdouble,  Double,  double)

  1538 #define WRAPPER_GetScalarArrayRegion(ElementTag,ElementType,Result) \

  1539 JNI_ENTRY_CHECKED(void,  \

  1540   checked_jni_Get##Result##ArrayRegion(JNIEnv *env, \

  1541                                        ElementType##Array array, \

  1542                                        jsize start, \

  1543                                        jsize len, \

  1544                                        ElementType *buf)) \

  1545     functionEnter(thr); \

  1546     IN_VM( \

  1547       checkArray(thr, array, ElementTag); \

  1548     ) \

  1549     UNCHECKED()->Get##Result##ArrayRegion(env,array,start,len,buf); \

  1550     functionExit(env); \

  1551 JNI_END

  1553 WRAPPER_GetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean)

  1554 WRAPPER_GetScalarArrayRegion(T_BYTE,    jbyte,    Byte)

  1555 WRAPPER_GetScalarArrayRegion(T_SHORT,   jshort,   Short)

  1556 WRAPPER_GetScalarArrayRegion(T_CHAR,    jchar,    Char)

  1557 WRAPPER_GetScalarArrayRegion(T_INT,     jint,     Int)

  1558 WRAPPER_GetScalarArrayRegion(T_LONG,    jlong,    Long)

  1559 WRAPPER_GetScalarArrayRegion(T_FLOAT,   jfloat,   Float)

  1560 WRAPPER_GetScalarArrayRegion(T_DOUBLE,  jdouble,  Double)

  1562 #define WRAPPER_SetScalarArrayRegion(ElementTag,ElementType,Result) \

  1563 JNI_ENTRY_CHECKED(void,  \

  1564   checked_jni_Set##Result##ArrayRegion(JNIEnv *env, \

  1565                                        ElementType##Array array, \

  1566                                        jsize start, \

  1567                                        jsize len, \

  1568                                        const ElementType *buf)) \

  1569     functionEnter(thr); \

  1570     IN_VM( \

  1571       checkArray(thr, array, ElementTag); \

  1572     ) \

  1573     UNCHECKED()->Set##Result##ArrayRegion(env,array,start,len,buf); \

  1574     functionExit(env); \

  1575 JNI_END

  1577 WRAPPER_SetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean)

  1578 WRAPPER_SetScalarArrayRegion(T_BYTE,    jbyte,    Byte)

  1579 WRAPPER_SetScalarArrayRegion(T_SHORT,   jshort,   Short)

  1580 WRAPPER_SetScalarArrayRegion(T_CHAR,    jchar,    Char)

  1581 WRAPPER_SetScalarArrayRegion(T_INT,     jint,     Int)

  1582 WRAPPER_SetScalarArrayRegion(T_LONG,    jlong,    Long)

  1583 WRAPPER_SetScalarArrayRegion(T_FLOAT,   jfloat,   Float)

  1584 WRAPPER_SetScalarArrayRegion(T_DOUBLE,  jdouble,  Double)

  1586 JNI_ENTRY_CHECKED(jint,

  1587   checked_jni_RegisterNatives(JNIEnv *env,

  1588                               jclass clazz,

  1589                               const JNINativeMethod *methods,

  1590                               jint nMethods))

  1591     functionEnter(thr);

  1592     jint result = UNCHECKED()->RegisterNatives(env,clazz,methods,nMethods);

  1593     functionExit(env);

  1594     return result;

  1595 JNI_END

  1597 JNI_ENTRY_CHECKED(jint,

  1598   checked_jni_UnregisterNatives(JNIEnv *env,

  1599                                 jclass clazz))

  1600     functionEnter(thr);

  1601     jint result = UNCHECKED()->UnregisterNatives(env,clazz);

  1602     functionExit(env);

  1603     return result;

  1604 JNI_END

  1606 JNI_ENTRY_CHECKED(jint,

  1607   checked_jni_MonitorEnter(JNIEnv *env,

  1608                            jobject obj))

  1609     functionEnter(thr);

  1610     IN_VM(

  1611       jniCheck::validate_object(thr, obj);

  1612     )

  1613     jint result = UNCHECKED()->MonitorEnter(env,obj);

  1614     functionExit(env);

  1615     return result;

  1616 JNI_END

  1618 JNI_ENTRY_CHECKED(jint,

  1619   checked_jni_MonitorExit(JNIEnv *env,

  1620                           jobject obj))

  1621     functionEnterExceptionAllowed(thr);

  1622     IN_VM(

  1623       jniCheck::validate_object(thr, obj);

  1624     )

  1625     jint result = UNCHECKED()->MonitorExit(env,obj);

  1626     functionExit(env);

  1627     return result;

  1628 JNI_END

  1630 JNI_ENTRY_CHECKED(jint,

  1631   checked_jni_GetJavaVM(JNIEnv *env,

  1632                         JavaVM **vm))

  1633     functionEnter(thr);

  1634     jint result = UNCHECKED()->GetJavaVM(env,vm);

  1635     functionExit(env);

  1636     return result;

  1637 JNI_END

  1639 JNI_ENTRY_CHECKED(void,

  1640   checked_jni_GetStringRegion(JNIEnv *env,

  1641                               jstring str,

  1642                               jsize start,

  1643                               jsize len,

  1644                               jchar *buf))

  1645     functionEnter(thr);

  1646     IN_VM(

  1647       checkString(thr, str);

  1648     )

  1649     UNCHECKED()->GetStringRegion(env, str, start, len, buf);

  1650     functionExit(env);

  1651 JNI_END

  1653 JNI_ENTRY_CHECKED(void,

  1654   checked_jni_GetStringUTFRegion(JNIEnv *env,

  1655                                  jstring str,

  1656                                  jsize start,

  1657                                  jsize len,

  1658                                  char *buf))

  1659     functionEnter(thr);

  1660     IN_VM(

  1661       checkString(thr, str);

  1662     )

  1663     UNCHECKED()->GetStringUTFRegion(env, str, start, len, buf);

  1664     functionExit(env);

  1665 JNI_END

  1667 JNI_ENTRY_CHECKED(void *,

  1668   checked_jni_GetPrimitiveArrayCritical(JNIEnv *env,

  1669                                         jarray array,

  1670                                         jboolean *isCopy))

  1671     functionEnterCritical(thr);

  1672     IN_VM(

  1673       checkArray(thr, array, -1);

  1674     )

  1675     void *result = UNCHECKED()->GetPrimitiveArrayCritical(env, array, isCopy);

  1676     functionExit(env);

  1677     return result;

  1678 JNI_END

  1680 JNI_ENTRY_CHECKED(void,

  1681   checked_jni_ReleasePrimitiveArrayCritical(JNIEnv *env,

  1682                                             jarray array,

  1683                                             void *carray,

  1684                                             jint mode))

  1685     functionEnterCriticalExceptionAllowed(thr);

  1686     IN_VM(

  1687       checkArray(thr, array, -1);

  1688     )

  1689     /* The Hotspot JNI code does not use the parameters, so just check the

  1690      * array parameter as a minor sanity check

  1691      */

  1692     UNCHECKED()->ReleasePrimitiveArrayCritical(env, array, carray, mode);

  1693     functionExit(env);

  1694 JNI_END

  1696 JNI_ENTRY_CHECKED(const jchar*,

  1697   checked_jni_GetStringCritical(JNIEnv *env,

  1698                                 jstring string,

  1699                                 jboolean *isCopy))

  1700     functionEnterCritical(thr);

  1701     IN_VM(

  1702       checkString(thr, string);

  1703     )

  1704     const jchar *result = UNCHECKED()->GetStringCritical(env, string, isCopy);

  1705     functionExit(env);

  1706     return result;

  1707 JNI_END

  1709 JNI_ENTRY_CHECKED(void,

  1710   checked_jni_ReleaseStringCritical(JNIEnv *env,

  1711                                     jstring str,

  1712                                     const jchar *chars))

  1713     functionEnterCriticalExceptionAllowed(thr);

  1714     IN_VM(

  1715       checkString(thr, str);

  1716     )

  1717     /* The Hotspot JNI code does not use the parameters, so just check the

  1718      * string parameter as a minor sanity check

  1719      */

  1720     UNCHECKED()->ReleaseStringCritical(env, str, chars);

  1721     functionExit(env);

  1722 JNI_END

  1724 JNI_ENTRY_CHECKED(jweak,

  1725   checked_jni_NewWeakGlobalRef(JNIEnv *env,

  1726                                jobject obj))

  1727     functionEnter(thr);

  1728     IN_VM(

  1729       if (obj != NULL) {

  1730         jniCheck::validate_handle(thr, obj);

  1731       }

  1732     )

  1733     jweak result = UNCHECKED()->NewWeakGlobalRef(env, obj);

  1734     functionExit(env);

  1735     return result;

  1736 JNI_END

  1738 JNI_ENTRY_CHECKED(void,

  1739   checked_jni_DeleteWeakGlobalRef(JNIEnv *env,

  1740                                   jweak ref))

  1741     functionEnterExceptionAllowed(thr);

  1742     UNCHECKED()->DeleteWeakGlobalRef(env, ref);

  1743     functionExit(env);

  1744 JNI_END

  1746 JNI_ENTRY_CHECKED(jboolean,

  1747   checked_jni_ExceptionCheck(JNIEnv *env))

  1748     functionEnterExceptionAllowed(thr);

  1749     jboolean result = UNCHECKED()->ExceptionCheck(env);

  1750     functionExit(env);

  1751     return result;

  1752 JNI_END

  1754 JNI_ENTRY_CHECKED(jobject,

  1755   checked_jni_NewDirectByteBuffer(JNIEnv *env,

  1756                                   void *address,

  1757                                   jlong capacity))

  1758     functionEnter(thr);

  1759     jobject result = UNCHECKED()->NewDirectByteBuffer(env, address, capacity);

  1760     functionExit(env);

  1761     return result;

  1762 JNI_END

  1764 JNI_ENTRY_CHECKED(void *,

  1765   checked_jni_GetDirectBufferAddress(JNIEnv *env,

  1766                                      jobject buf))

  1767     functionEnter(thr);

  1768     void* result = UNCHECKED()->GetDirectBufferAddress(env, buf);

  1769     functionExit(env);

  1770     return result;

  1771 JNI_END

  1773 JNI_ENTRY_CHECKED(jlong,

  1774   checked_jni_GetDirectBufferCapacity(JNIEnv *env,

  1775                                       jobject buf))

  1776     functionEnter(thr);

  1777     jlong result = UNCHECKED()->GetDirectBufferCapacity(env, buf);

  1778     functionExit(env);

  1779     return result;

  1780 JNI_END

  1782 JNI_ENTRY_CHECKED(jobjectRefType,

  1783   checked_jni_GetObjectRefType(JNIEnv *env,

  1784                                jobject obj))

  1785     functionEnter(thr);

  1786     /* validate the object being passed */

  1787     IN_VM(

  1788       jniCheck::validate_object(thr, obj);

  1789     )

  1790     jobjectRefType result = UNCHECKED()->GetObjectRefType(env, obj);

  1791     functionExit(env);

  1792     return result;

  1793 JNI_END

  1796 JNI_ENTRY_CHECKED(jint,

  1797   checked_jni_GetVersion(JNIEnv *env))

  1798     functionEnter(thr);

  1799     jint result = UNCHECKED()->GetVersion(env);

  1800     functionExit(env);

  1801     return result;

  1802 JNI_END

  1806 /*

  1807  * Structure containing all checked jni functions

  1808  */

  1809 struct JNINativeInterface_  checked_jni_NativeInterface = {

  1810     NULL,

  1811     NULL,

  1812     NULL,

  1814     NULL,

  1816     checked_jni_GetVersion,

  1818     checked_jni_DefineClass,

  1819     checked_jni_FindClass,

  1821     checked_jni_FromReflectedMethod,

  1822     checked_jni_FromReflectedField,

  1824     checked_jni_ToReflectedMethod,

  1826     checked_jni_GetSuperclass,

  1827     checked_jni_IsAssignableFrom,

  1829     checked_jni_ToReflectedField,

  1831     checked_jni_Throw,

  1832     checked_jni_ThrowNew,

  1833     checked_jni_ExceptionOccurred,

  1834     checked_jni_ExceptionDescribe,

  1835     checked_jni_ExceptionClear,

  1836     checked_jni_FatalError,

  1838     checked_jni_PushLocalFrame,

  1839     checked_jni_PopLocalFrame,

  1841     checked_jni_NewGlobalRef,

  1842     checked_jni_DeleteGlobalRef,

  1843     checked_jni_DeleteLocalRef,

  1844     checked_jni_IsSameObject,

  1846     checked_jni_NewLocalRef,

  1847     checked_jni_EnsureLocalCapacity,

  1849     checked_jni_AllocObject,

  1850     checked_jni_NewObject,

  1851     checked_jni_NewObjectV,

  1852     checked_jni_NewObjectA,

  1854     checked_jni_GetObjectClass,

  1855     checked_jni_IsInstanceOf,

  1857     checked_jni_GetMethodID,

  1859     checked_jni_CallObjectMethod,

  1860     checked_jni_CallObjectMethodV,

  1861     checked_jni_CallObjectMethodA,

  1862     checked_jni_CallBooleanMethod,

  1863     checked_jni_CallBooleanMethodV,

  1864     checked_jni_CallBooleanMethodA,

  1865     checked_jni_CallByteMethod,

  1866     checked_jni_CallByteMethodV,

  1867     checked_jni_CallByteMethodA,

  1868     checked_jni_CallCharMethod,

  1869     checked_jni_CallCharMethodV,

  1870     checked_jni_CallCharMethodA,

  1871     checked_jni_CallShortMethod,

  1872     checked_jni_CallShortMethodV,

  1873     checked_jni_CallShortMethodA,

  1874     checked_jni_CallIntMethod,

  1875     checked_jni_CallIntMethodV,

  1876     checked_jni_CallIntMethodA,

  1877     checked_jni_CallLongMethod,

  1878     checked_jni_CallLongMethodV,

  1879     checked_jni_CallLongMethodA,

  1880     checked_jni_CallFloatMethod,

  1881     checked_jni_CallFloatMethodV,

  1882     checked_jni_CallFloatMethodA,

  1883     checked_jni_CallDoubleMethod,

  1884     checked_jni_CallDoubleMethodV,

  1885     checked_jni_CallDoubleMethodA,

  1886     checked_jni_CallVoidMethod,

  1887     checked_jni_CallVoidMethodV,

  1888     checked_jni_CallVoidMethodA,

  1890     checked_jni_CallNonvirtualObjectMethod,

  1891     checked_jni_CallNonvirtualObjectMethodV,

  1892     checked_jni_CallNonvirtualObjectMethodA,

  1893     checked_jni_CallNonvirtualBooleanMethod,

  1894     checked_jni_CallNonvirtualBooleanMethodV,

  1895     checked_jni_CallNonvirtualBooleanMethodA,

  1896     checked_jni_CallNonvirtualByteMethod,

  1897     checked_jni_CallNonvirtualByteMethodV,

  1898     checked_jni_CallNonvirtualByteMethodA,

  1899     checked_jni_CallNonvirtualCharMethod,

  1900     checked_jni_CallNonvirtualCharMethodV,

  1901     checked_jni_CallNonvirtualCharMethodA,

  1902     checked_jni_CallNonvirtualShortMethod,

  1903     checked_jni_CallNonvirtualShortMethodV,

  1904     checked_jni_CallNonvirtualShortMethodA,

  1905     checked_jni_CallNonvirtualIntMethod,

  1906     checked_jni_CallNonvirtualIntMethodV,

  1907     checked_jni_CallNonvirtualIntMethodA,

  1908     checked_jni_CallNonvirtualLongMethod,

  1909     checked_jni_CallNonvirtualLongMethodV,

  1910     checked_jni_CallNonvirtualLongMethodA,

  1911     checked_jni_CallNonvirtualFloatMethod,

  1912     checked_jni_CallNonvirtualFloatMethodV,

  1913     checked_jni_CallNonvirtualFloatMethodA,

  1914     checked_jni_CallNonvirtualDoubleMethod,

  1915     checked_jni_CallNonvirtualDoubleMethodV,

  1916     checked_jni_CallNonvirtualDoubleMethodA,

  1917     checked_jni_CallNonvirtualVoidMethod,

  1918     checked_jni_CallNonvirtualVoidMethodV,

  1919     checked_jni_CallNonvirtualVoidMethodA,

  1921     checked_jni_GetFieldID,

  1923     checked_jni_GetObjectField,

  1924     checked_jni_GetBooleanField,

  1925     checked_jni_GetByteField,

  1926     checked_jni_GetCharField,

  1927     checked_jni_GetShortField,

  1928     checked_jni_GetIntField,

  1929     checked_jni_GetLongField,

  1930     checked_jni_GetFloatField,

  1931     checked_jni_GetDoubleField,

  1933     checked_jni_SetObjectField,

  1934     checked_jni_SetBooleanField,

  1935     checked_jni_SetByteField,

  1936     checked_jni_SetCharField,

  1937     checked_jni_SetShortField,

  1938     checked_jni_SetIntField,

  1939     checked_jni_SetLongField,

  1940     checked_jni_SetFloatField,

  1941     checked_jni_SetDoubleField,

  1943     checked_jni_GetStaticMethodID,

  1945     checked_jni_CallStaticObjectMethod,

  1946     checked_jni_CallStaticObjectMethodV,

  1947     checked_jni_CallStaticObjectMethodA,

  1948     checked_jni_CallStaticBooleanMethod,

  1949     checked_jni_CallStaticBooleanMethodV,

  1950     checked_jni_CallStaticBooleanMethodA,

  1951     checked_jni_CallStaticByteMethod,

  1952     checked_jni_CallStaticByteMethodV,

  1953     checked_jni_CallStaticByteMethodA,

  1954     checked_jni_CallStaticCharMethod,

  1955     checked_jni_CallStaticCharMethodV,

  1956     checked_jni_CallStaticCharMethodA,

  1957     checked_jni_CallStaticShortMethod,

  1958     checked_jni_CallStaticShortMethodV,

  1959     checked_jni_CallStaticShortMethodA,

  1960     checked_jni_CallStaticIntMethod,

  1961     checked_jni_CallStaticIntMethodV,

  1962     checked_jni_CallStaticIntMethodA,

  1963     checked_jni_CallStaticLongMethod,

  1964     checked_jni_CallStaticLongMethodV,

  1965     checked_jni_CallStaticLongMethodA,

  1966     checked_jni_CallStaticFloatMethod,

  1967     checked_jni_CallStaticFloatMethodV,

  1968     checked_jni_CallStaticFloatMethodA,

  1969     checked_jni_CallStaticDoubleMethod,

  1970     checked_jni_CallStaticDoubleMethodV,

  1971     checked_jni_CallStaticDoubleMethodA,

  1972     checked_jni_CallStaticVoidMethod,

  1973     checked_jni_CallStaticVoidMethodV,

  1974     checked_jni_CallStaticVoidMethodA,

  1976     checked_jni_GetStaticFieldID,

  1978     checked_jni_GetStaticObjectField,

  1979     checked_jni_GetStaticBooleanField,

  1980     checked_jni_GetStaticByteField,

  1981     checked_jni_GetStaticCharField,

  1982     checked_jni_GetStaticShortField,

  1983     checked_jni_GetStaticIntField,

  1984     checked_jni_GetStaticLongField,

  1985     checked_jni_GetStaticFloatField,

  1986     checked_jni_GetStaticDoubleField,

  1988     checked_jni_SetStaticObjectField,

  1989     checked_jni_SetStaticBooleanField,

  1990     checked_jni_SetStaticByteField,

  1991     checked_jni_SetStaticCharField,

  1992     checked_jni_SetStaticShortField,

  1993     checked_jni_SetStaticIntField,

  1994     checked_jni_SetStaticLongField,

  1995     checked_jni_SetStaticFloatField,

  1996     checked_jni_SetStaticDoubleField,

  1998     checked_jni_NewString,

  1999     checked_jni_GetStringLength,

  2000     checked_jni_GetStringChars,

  2001     checked_jni_ReleaseStringChars,

  2003     checked_jni_NewStringUTF,

  2004     checked_jni_GetStringUTFLength,

  2005     checked_jni_GetStringUTFChars,

  2006     checked_jni_ReleaseStringUTFChars,

  2008     checked_jni_GetArrayLength,

  2010     checked_jni_NewObjectArray,

  2011     checked_jni_GetObjectArrayElement,

  2012     checked_jni_SetObjectArrayElement,

  2014     checked_jni_NewBooleanArray,

  2015     checked_jni_NewByteArray,

  2016     checked_jni_NewCharArray,

  2017     checked_jni_NewShortArray,

  2018     checked_jni_NewIntArray,

  2019     checked_jni_NewLongArray,

  2020     checked_jni_NewFloatArray,

  2021     checked_jni_NewDoubleArray,

  2023     checked_jni_GetBooleanArrayElements,

  2024     checked_jni_GetByteArrayElements,

  2025     checked_jni_GetCharArrayElements,

  2026     checked_jni_GetShortArrayElements,

  2027     checked_jni_GetIntArrayElements,

  2028     checked_jni_GetLongArrayElements,

  2029     checked_jni_GetFloatArrayElements,

  2030     checked_jni_GetDoubleArrayElements,

  2032     checked_jni_ReleaseBooleanArrayElements,

  2033     checked_jni_ReleaseByteArrayElements,

  2034     checked_jni_ReleaseCharArrayElements,

  2035     checked_jni_ReleaseShortArrayElements,

  2036     checked_jni_ReleaseIntArrayElements,

  2037     checked_jni_ReleaseLongArrayElements,

  2038     checked_jni_ReleaseFloatArrayElements,

  2039     checked_jni_ReleaseDoubleArrayElements,

  2041     checked_jni_GetBooleanArrayRegion,

  2042     checked_jni_GetByteArrayRegion,

  2043     checked_jni_GetCharArrayRegion,

  2044     checked_jni_GetShortArrayRegion,

  2045     checked_jni_GetIntArrayRegion,

  2046     checked_jni_GetLongArrayRegion,

  2047     checked_jni_GetFloatArrayRegion,

  2048     checked_jni_GetDoubleArrayRegion,

  2050     checked_jni_SetBooleanArrayRegion,

  2051     checked_jni_SetByteArrayRegion,

  2052     checked_jni_SetCharArrayRegion,

  2053     checked_jni_SetShortArrayRegion,

  2054     checked_jni_SetIntArrayRegion,

  2055     checked_jni_SetLongArrayRegion,

  2056     checked_jni_SetFloatArrayRegion,

  2057     checked_jni_SetDoubleArrayRegion,

  2059     checked_jni_RegisterNatives,

  2060     checked_jni_UnregisterNatives,

  2062     checked_jni_MonitorEnter,

  2063     checked_jni_MonitorExit,

  2065     checked_jni_GetJavaVM,

  2067     checked_jni_GetStringRegion,

  2068     checked_jni_GetStringUTFRegion,

  2070     checked_jni_GetPrimitiveArrayCritical,

  2071     checked_jni_ReleasePrimitiveArrayCritical,

  2073     checked_jni_GetStringCritical,

  2074     checked_jni_ReleaseStringCritical,

  2076     checked_jni_NewWeakGlobalRef,

  2077     checked_jni_DeleteWeakGlobalRef,

  2079     checked_jni_ExceptionCheck,

  2081     checked_jni_NewDirectByteBuffer,

  2082     checked_jni_GetDirectBufferAddress,

  2083     checked_jni_GetDirectBufferCapacity,

  2085     // New 1.6 Features

  2087     checked_jni_GetObjectRefType

  2088 };

  2091 // Returns the function structure

  2092 struct JNINativeInterface_* jni_functions_check() {

  2094   unchecked_jni_NativeInterface = jni_functions_nocheck();

  2096   // make sure the last pointer in the checked table is not null, indicating

  2097   // an addition to the JNINativeInterface_ structure without initializing

  2098   // it in the checked table.

  2099   debug_only(int *lastPtr = (int *)((char *)&checked_jni_NativeInterface + \

  2100              sizeof(*unchecked_jni_NativeInterface) - sizeof(char *));)

  2101   assert(*lastPtr != 0,

  2102          "Mismatched JNINativeInterface tables, check for new entries");

  2104   // with -verbose:jni this message will print

  2105   if (PrintJNIResolving) {

  2106     tty->print_cr("Checked JNI functions are being used to " \

  2107                   "validate JNI usage");

  2108   }

  2110   return &checked_jni_NativeInterface;

  2111 }

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

src/share/vm/prims/jniCheck.cpp@b92c45f2bc75

src/share/vm/prims/jniCheck.cpp