jdk8-mips64-public/hotspot: src/share/vm/prims/jniCheck.cpp@ede380e13960

8009763: Add WB test for String.intern()
Summary: Add convenience method in StringTable, add WhiteBox method and simple sanity test
Reviewed-by: mgerdin, zgu
Contributed-by: leonid.mesnik@oracle.com

     1 /*

     2  * Copyright (c) 2001, 2012, 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     VM_ENTRY_BASE(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   Klass* k_oop = jniCheck::validate_class(thr, cls, false);

   220   /* check for proper subclass hierarchy */

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

   222   Klass* 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 (!id->find_local_field(&fd))

   228     ReportJNIFatalError(thr, fatal_static_field_not_found);

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

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

   231     ReportJNIFatalError(thr, fatal_static_field_mismatch);

   232   }

   233 }

   235 static inline void

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

   237 {

   238   fieldDescriptor fd;

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

   241   if (jfieldIDWorkaround::is_static_jfieldID(fid))

   242     ReportJNIFatalError(thr, fatal_should_be_nonstatic);

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

   245   ASSERT_OOPS_ALLOWED;

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

   247   if (!oopObj) {

   248     ReportJNIFatalError(thr, fatal_null_object);

   249   }

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

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

   253     ReportJNIFatalError(thr, fatal_wrong_field);

   254   }

   256   /* make sure the field exists */

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

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

   259     ReportJNIFatalError(thr, fatal_wrong_field);

   261   /* check for proper field type */

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

   263                                                               false, &fd))

   264     ReportJNIFatalError(thr, fatal_instance_field_not_found);

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

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

   268     ReportJNIFatalError(thr, fatal_instance_field_mismatch);

   269   }

   270 }

   272 static inline void

   273 checkString(JavaThread* thr, jstring js)

   274 {

   275   ASSERT_OOPS_ALLOWED;

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

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

   278     ReportJNIFatalError(thr, fatal_non_string);

   279 }

   281 static inline void

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

   283 {

   284   ASSERT_OOPS_ALLOWED;

   285   arrayOop aOop;

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

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

   289     ReportJNIFatalError(thr, fatal_non_array);

   291   if (elementType != -1) {

   292     if (aOop->is_typeArray()) {

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

   294       if (array_type != elementType)

   295         ReportJNIFatalError(thr, fatal_element_type_mismatch);

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

   297         if ( T_OBJECT != elementType)

   298           ReportJNIFatalError(thr, fatal_object_array_expected);

   299       } else {

   300         ReportJNIFatalError(thr, fatal_unknown_array_object);

   301     }

   302   }

   303 }

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

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

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

   309       JNIHandles::is_global_handle(obj) ||

   310       JNIHandles::is_weak_global_handle(obj)) {

   311     ASSERT_OOPS_ALLOWED;

   312     return JNIHandles::resolve_external_guard(obj);

   313   }

   314   ReportJNIFatalError(thr, fatal_bad_ref_to_jni);

   315   return NULL;

   316 }

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

   320   ASSERT_OOPS_ALLOWED;

   321   // do the fast jmethodID check first

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

   323   if (moop == NULL) {

   324     ReportJNIFatalError(thr, fatal_wrong_class_or_method);

   325   }

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

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

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

   329     ReportJNIFatalError(thr, fatal_non_weak_method);

   330   }

   331   return moop;

   332 }

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

   336     if (!obj)

   337         return NULL;

   338     ASSERT_OOPS_ALLOWED;

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

   340     if (!oopObj) {

   341       ReportJNIFatalError(thr, fatal_bad_ref_to_jni);

   342     }

   343     return oopObj;

   344 }

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

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

   348 // array descriptors.

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

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

   352   size_t len = strlen(name);

   354   if (len >= 2 &&

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

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

   357     char msg[JVM_MAXPATHLEN];

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

   359     ReportJNIWarning(thr, msg);

   360   }

   361 }

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

   364   ASSERT_OOPS_ALLOWED;

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

   366   if (!mirror) {

   367     ReportJNIFatalError(thr, fatal_received_null_class);

   368   }

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

   371     ReportJNIFatalError(thr, fatal_class_not_a_class);

   372   }

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

   375   // Make allowances for primitive classes ...

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

   377     ReportJNIFatalError(thr, fatal_class_not_a_class);

   378   }

   379   return k;

   380 }

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

   383   ASSERT_OOPS_ALLOWED;

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

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

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

   388     ReportJNIFatalError(thr, fatal_class_not_a_throwable_class);

   389   }

   390 }

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

   393   /* validate the object being passed */

   394   ASSERT_OOPS_ALLOWED;

   395   jniCheck::validate_jmethod_id(thr, method_id);

   396   jniCheck::validate_object(thr, obj);

   397 }

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

   400   /* validate the class being passed */

   401   ASSERT_OOPS_ALLOWED;

   402   jniCheck::validate_jmethod_id(thr, method_id);

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

   404 }

   407 /*

   408  * IMPLEMENTATION OF FUNCTIONS IN CHECKED TABLE

   409  */

   411 JNI_ENTRY_CHECKED(jclass,

   412   checked_jni_DefineClass(JNIEnv *env,

   413                           const char *name,

   414                           jobject loader,

   415                           const jbyte *buf,

   416                           jsize len))

   417     functionEnter(thr);

   418     IN_VM(

   419       jniCheck::validate_object(thr, loader);

   420     )

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

   422     functionExit(env);

   423     return result;

   424 JNI_END

   426 JNI_ENTRY_CHECKED(jclass,

   427   checked_jni_FindClass(JNIEnv *env,

   428                         const char *name))

   429     functionEnter(thr);

   430     IN_VM(

   431       jniCheck::validate_class_descriptor(thr, name);

   432     )

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

   434     functionExit(env);

   435     return result;

   436 JNI_END

   438 JNI_ENTRY_CHECKED(jmethodID,

   439   checked_jni_FromReflectedMethod(JNIEnv *env,

   440                                   jobject method))

   441     functionEnter(thr);

   442     IN_VM(

   443       jniCheck::validate_object(thr, method);

   444     )

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

   446     functionExit(env);

   447     return result;

   448 JNI_END

   450 JNI_ENTRY_CHECKED(jfieldID,

   451   checked_jni_FromReflectedField(JNIEnv *env,

   452                                  jobject field))

   453     functionEnter(thr);

   454     IN_VM(

   455       jniCheck::validate_object(thr, field);

   456     )

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

   458     functionExit(env);

   459     return result;

   460 JNI_END

   462 JNI_ENTRY_CHECKED(jobject,

   463   checked_jni_ToReflectedMethod(JNIEnv *env,

   464                                 jclass cls,

   465                                 jmethodID methodID,

   466                                 jboolean isStatic))

   467     functionEnter(thr);

   468     IN_VM(

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

   470       jniCheck::validate_jmethod_id(thr, methodID);

   471     )

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

   473                                                     isStatic);

   474     functionExit(env);

   475     return result;

   476 JNI_END

   478 JNI_ENTRY_CHECKED(jclass,

   479   checked_jni_GetSuperclass(JNIEnv *env,

   480                             jclass sub))

   481     functionEnter(thr);

   482     IN_VM(

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

   484     )

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

   486     functionExit(env);

   487     return result;

   488 JNI_END

   490 JNI_ENTRY_CHECKED(jboolean,

   491   checked_jni_IsAssignableFrom(JNIEnv *env,

   492                                jclass sub,

   493                                jclass sup))

   494     functionEnter(thr);

   495     IN_VM(

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

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

   498     )

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

   500     functionExit(env);

   501     return result;

   502 JNI_END

   504 JNI_ENTRY_CHECKED(jobject,

   505   checked_jni_ToReflectedField(JNIEnv *env,

   506                                jclass cls,

   507                                jfieldID fieldID,

   508                                jboolean isStatic))

   509     functionEnter(thr);

   510     IN_VM(

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

   512     )

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

   514                                                    isStatic);

   515     functionExit(env);

   516     return result;

   517 JNI_END

   519 JNI_ENTRY_CHECKED(jint,

   520   checked_jni_Throw(JNIEnv *env,

   521                     jthrowable obj))

   522     functionEnter(thr);

   523     IN_VM(

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

   525       if (oopObj == NULL) {

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

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

   528       } else {

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

   530       }

   531     )

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

   533     functionExit(env);

   534     return result;

   535 JNI_END

   537 JNI_ENTRY_CHECKED(jint,

   538   checked_jni_ThrowNew(JNIEnv *env,

   539                        jclass clazz,

   540                        const char *msg))

   541     functionEnter(thr);

   542     IN_VM(

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

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

   545       jniCheck::validate_throwable_klass(thr, k);

   546     )

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

   548     functionExit(env);

   549     return result;

   550 JNI_END

   552 JNI_ENTRY_CHECKED(jthrowable,

   553   checked_jni_ExceptionOccurred(JNIEnv *env))

   554     functionEnterExceptionAllowed(thr);

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

   556     functionExit(env);

   557     return result;

   558 JNI_END

   560 JNI_ENTRY_CHECKED(void,

   561   checked_jni_ExceptionDescribe(JNIEnv *env))

   562     functionEnterExceptionAllowed(thr);

   563     UNCHECKED()->ExceptionDescribe(env);

   564     functionExit(env);

   565 JNI_END

   567 JNI_ENTRY_CHECKED(void,

   568   checked_jni_ExceptionClear(JNIEnv *env))

   569     functionEnterExceptionAllowed(thr);

   570     UNCHECKED()->ExceptionClear(env);

   571     functionExit(env);

   572 JNI_END

   574 JNI_ENTRY_CHECKED(void,

   575   checked_jni_FatalError(JNIEnv *env,

   576                          const char *msg))

   577     functionEnter(thr);

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

   579     functionExit(env);

   580 JNI_END

   582 JNI_ENTRY_CHECKED(jint,

   583   checked_jni_PushLocalFrame(JNIEnv *env,

   584                              jint capacity))

   585     functionEnterExceptionAllowed(thr);

   586     if (capacity < 0)

   587       NativeReportJNIFatalError(thr, "negative capacity");

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

   589     functionExit(env);

   590     return result;

   591 JNI_END

   593 JNI_ENTRY_CHECKED(jobject,

   594   checked_jni_PopLocalFrame(JNIEnv *env,

   595                             jobject result))

   596     functionEnterExceptionAllowed(thr);

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

   598     functionExit(env);

   599     return res;

   600 JNI_END

   602 JNI_ENTRY_CHECKED(jobject,

   603   checked_jni_NewGlobalRef(JNIEnv *env,

   604                            jobject lobj))

   605     functionEnter(thr);

   606     IN_VM(

   607       if (lobj != NULL) {

   608         jniCheck::validate_handle(thr, lobj);

   609       }

   610     )

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

   612     functionExit(env);

   613     return result;

   614 JNI_END

   616 JNI_ENTRY_CHECKED(void,

   617   checked_jni_DeleteGlobalRef(JNIEnv *env,

   618                               jobject gref))

   619     functionEnterExceptionAllowed(thr);

   620     IN_VM(

   621       jniCheck::validate_object(thr, gref);

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

   623         ReportJNIFatalError(thr,

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

   625       }

   626     )

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

   628     functionExit(env);

   629 JNI_END

   631 JNI_ENTRY_CHECKED(void,

   632   checked_jni_DeleteLocalRef(JNIEnv *env,

   633                              jobject obj))

   634     functionEnterExceptionAllowed(thr);

   635     IN_VM(

   636       jniCheck::validate_object(thr, obj);

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

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

   639         ReportJNIFatalError(thr,

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

   641     )

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

   643     functionExit(env);

   644 JNI_END

   646 JNI_ENTRY_CHECKED(jboolean,

   647   checked_jni_IsSameObject(JNIEnv *env,

   648                            jobject obj1,

   649                            jobject obj2))

   650     functionEnterExceptionAllowed(thr);

   651     IN_VM(

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

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

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

   655        */

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

   657         jniCheck::validate_object(thr, obj1);

   658       }

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

   660         jniCheck::validate_object(thr, obj2);

   661       }

   662     )

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

   664     functionExit(env);

   665     return result;

   666 JNI_END

   668 JNI_ENTRY_CHECKED(jobject,

   669   checked_jni_NewLocalRef(JNIEnv *env,

   670                           jobject ref))

   671     functionEnter(thr);

   672     IN_VM(

   673       if (ref != NULL) {

   674         jniCheck::validate_handle(thr, ref);

   675       }

   676     )

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

   678     functionExit(env);

   679     return result;

   680 JNI_END

   682 JNI_ENTRY_CHECKED(jint,

   683   checked_jni_EnsureLocalCapacity(JNIEnv *env,

   684                                   jint capacity))

   685     functionEnter(thr);

   686     if (capacity < 0) {

   687       NativeReportJNIFatalError(thr, "negative capacity");

   688     }

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

   690     functionExit(env);

   691     return result;

   692 JNI_END

   694 JNI_ENTRY_CHECKED(jobject,

   695   checked_jni_AllocObject(JNIEnv *env,

   696                           jclass clazz))

   697     functionEnter(thr);

   698     IN_VM(

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

   700     )

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

   702     functionExit(env);

   703     return result;

   704 JNI_END

   706 JNI_ENTRY_CHECKED(jobject,

   707   checked_jni_NewObject(JNIEnv *env,

   708                         jclass clazz,

   709                         jmethodID methodID,

   710                         ...))

   711     functionEnter(thr);

   712     va_list args;

   713     IN_VM(

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

   715       jniCheck::validate_jmethod_id(thr, methodID);

   716     )

   717     va_start(args, methodID);

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

   719     va_end(args);

   720     functionExit(env);

   721     return result;

   722 JNI_END

   724 JNI_ENTRY_CHECKED(jobject,

   725   checked_jni_NewObjectV(JNIEnv *env,

   726                          jclass clazz,

   727                          jmethodID methodID,

   728                          va_list args))

   729     functionEnter(thr);

   730     IN_VM(

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

   732       jniCheck::validate_jmethod_id(thr, methodID);

   733     )

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

   735     functionExit(env);

   736     return result;

   737 JNI_END

   739 JNI_ENTRY_CHECKED(jobject,

   740   checked_jni_NewObjectA(JNIEnv *env,

   741                          jclass clazz,

   742                          jmethodID methodID,

   743                          const jvalue *args))

   744     functionEnter(thr);

   745     IN_VM(

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

   747       jniCheck::validate_jmethod_id(thr, methodID);

   748     )

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

   750     functionExit(env);

   751     return result;

   752 JNI_END

   754 JNI_ENTRY_CHECKED(jclass,

   755   checked_jni_GetObjectClass(JNIEnv *env,

   756                              jobject obj))

   757     functionEnter(thr);

   758     IN_VM(

   759       jniCheck::validate_object(thr, obj);

   760     )

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

   762     functionExit(env);

   763     return result;

   764 JNI_END

   766 JNI_ENTRY_CHECKED(jboolean,

   767   checked_jni_IsInstanceOf(JNIEnv *env,

   768                            jobject obj,

   769                            jclass clazz))

   770     functionEnter(thr);

   771     IN_VM(

   772       jniCheck::validate_object(thr, obj);

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

   774     )

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

   776     functionExit(env);

   777     return result;

   778 JNI_END

   780 JNI_ENTRY_CHECKED(jmethodID,

   781   checked_jni_GetMethodID(JNIEnv *env,

   782                           jclass clazz,

   783                           const char *name,

   784                           const char *sig))

   785     functionEnter(thr);

   786     IN_VM(

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

   788     )

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

   790     functionExit(env);

   791     return result;

   792 JNI_END

   794 #define WRAPPER_CallMethod(ResultType, Result) \

   795 JNI_ENTRY_CHECKED(ResultType,  \

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

   797                                    jobject obj, \

   798                                    jmethodID methodID, \

   799                                    ...)) \

   800     functionEnter(thr); \

   801     va_list args; \

   802     IN_VM( \

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

   804     ) \

   805     va_start(args,methodID); \

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

   807                                                           args); \

   808     va_end(args); \

   809     functionExit(env); \

   810     return result; \

   811 JNI_END \

   812 \

   813 JNI_ENTRY_CHECKED(ResultType,  \

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

   815                                     jobject obj, \

   816                                     jmethodID methodID, \

   817                                     va_list args)) \

   818     functionEnter(thr); \

   819     IN_VM(\

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

   821     ) \

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

   823                                                            args); \

   824     functionExit(env); \

   825     return result; \

   826 JNI_END \

   827 \

   828 JNI_ENTRY_CHECKED(ResultType,  \

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

   830                                     jobject obj, \

   831                                     jmethodID methodID, \

   832                                     const jvalue * args)) \

   833     functionEnter(thr); \

   834     IN_VM( \

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

   836     ) \

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

   838                                                            args); \

   839     functionExit(env); \

   840     return result; \

   841 JNI_END

   843 WRAPPER_CallMethod(jobject,Object)

   844 WRAPPER_CallMethod(jboolean,Boolean)

   845 WRAPPER_CallMethod(jbyte,Byte)

   846 WRAPPER_CallMethod(jshort,Short)

   847 WRAPPER_CallMethod(jchar,Char)

   848 WRAPPER_CallMethod(jint,Int)

   849 WRAPPER_CallMethod(jlong,Long)

   850 WRAPPER_CallMethod(jfloat,Float)

   851 WRAPPER_CallMethod(jdouble,Double)

   853 JNI_ENTRY_CHECKED(void,

   854   checked_jni_CallVoidMethod(JNIEnv *env, \

   855                              jobject obj, \

   856                              jmethodID methodID, \

   857                              ...))

   858     functionEnter(thr);

   859     va_list args;

   860     IN_VM(

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

   862     )

   863     va_start(args,methodID);

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

   865     va_end(args);

   866     functionExit(env);

   867 JNI_END

   869 JNI_ENTRY_CHECKED(void,

   870   checked_jni_CallVoidMethodV(JNIEnv *env,

   871                               jobject obj,

   872                               jmethodID methodID,

   873                               va_list args))

   874     functionEnter(thr);

   875     IN_VM(

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

   877     )

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

   879     functionExit(env);

   880 JNI_END

   882 JNI_ENTRY_CHECKED(void,

   883   checked_jni_CallVoidMethodA(JNIEnv *env,

   884                               jobject obj,

   885                               jmethodID methodID,

   886                               const jvalue * args))

   887     functionEnter(thr);

   888     IN_VM(

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

   890     )

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

   892     functionExit(env);

   893 JNI_END

   895 #define WRAPPER_CallNonvirtualMethod(ResultType, Result) \

   896 JNI_ENTRY_CHECKED(ResultType,  \

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

   898                                              jobject obj, \

   899                                              jclass clazz, \

   900                                              jmethodID methodID, \

   901                                              ...)) \

   902     functionEnter(thr); \

   903     va_list args; \

   904     IN_VM( \

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

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

   907     ) \

   908     va_start(args,methodID); \

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

   910                                                                      obj, \

   911                                                                      clazz, \

   912                                                                      methodID,\

   913                                                                      args); \

   914     va_end(args); \

   915     functionExit(env); \

   916     return result; \

   917 JNI_END \

   918 \

   919 JNI_ENTRY_CHECKED(ResultType,  \

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

   921                                               jobject obj, \

   922                                               jclass clazz, \

   923                                               jmethodID methodID, \

   924                                               va_list args)) \

   925     functionEnter(thr); \

   926     IN_VM( \

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

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

   929     ) \

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

   931                                                                      obj, \

   932                                                                      clazz, \

   933                                                                      methodID,\

   934                                                                      args); \

   935     functionExit(env); \

   936     return result; \

   937 JNI_END \

   938 \

   939 JNI_ENTRY_CHECKED(ResultType,  \

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

   941                                               jobject obj, \

   942                                               jclass clazz, \

   943                                               jmethodID methodID, \

   944                                               const jvalue * args)) \

   945     functionEnter(thr); \

   946     IN_VM( \

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

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

   949     ) \

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

   951                                                                      obj, \

   952                                                                      clazz, \

   953                                                                      methodID,\

   954                                                                      args); \

   955     functionExit(env); \

   956     return result; \

   957 JNI_END

   959 WRAPPER_CallNonvirtualMethod(jobject,Object)

   960 WRAPPER_CallNonvirtualMethod(jboolean,Boolean)

   961 WRAPPER_CallNonvirtualMethod(jbyte,Byte)

   962 WRAPPER_CallNonvirtualMethod(jshort,Short)

   963 WRAPPER_CallNonvirtualMethod(jchar,Char)

   964 WRAPPER_CallNonvirtualMethod(jint,Int)

   965 WRAPPER_CallNonvirtualMethod(jlong,Long)

   966 WRAPPER_CallNonvirtualMethod(jfloat,Float)

   967 WRAPPER_CallNonvirtualMethod(jdouble,Double)

   969 JNI_ENTRY_CHECKED(void,

   970   checked_jni_CallNonvirtualVoidMethod(JNIEnv *env,

   971                                        jobject obj,

   972                                        jclass clazz,

   973                                        jmethodID methodID,

   974                                        ...))

   975     functionEnter(thr);

   976     va_list args;

   977     IN_VM(

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

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

   980     )

   981     va_start(args,methodID);

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

   983     va_end(args);

   984     functionExit(env);

   985 JNI_END

   987 JNI_ENTRY_CHECKED(void,

   988   checked_jni_CallNonvirtualVoidMethodV(JNIEnv *env,

   989                                         jobject obj,

   990                                         jclass clazz,

   991                                         jmethodID methodID,

   992                                         va_list args))

   993     functionEnter(thr);

   994     IN_VM(

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

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

   997     )

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

   999     functionExit(env);

  1000 JNI_END

  1002 JNI_ENTRY_CHECKED(void,

  1003   checked_jni_CallNonvirtualVoidMethodA(JNIEnv *env,

  1004                                         jobject obj,

  1005                                         jclass clazz,

  1006                                         jmethodID methodID,

  1007                                         const jvalue * args))

  1008     functionEnter(thr);

  1009     IN_VM(

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

  1011       jniCheck::validate_call_class(thr, clazz, methodID);

  1012     )

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

  1014     functionExit(env);

  1015 JNI_END

  1017 JNI_ENTRY_CHECKED(jfieldID,

  1018   checked_jni_GetFieldID(JNIEnv *env,

  1019                          jclass clazz,

  1020                          const char *name,

  1021                          const char *sig))

  1022     functionEnter(thr);

  1023     IN_VM(

  1024       jniCheck::validate_class(thr, clazz, false);

  1025     )

  1026     jfieldID result = UNCHECKED()->GetFieldID(env,clazz,name,sig);

  1027     functionExit(env);

  1028     return result;

  1029 JNI_END

  1031 #define WRAPPER_GetField(ReturnType,Result,FieldType) \

  1032 JNI_ENTRY_CHECKED(ReturnType,  \

  1033   checked_jni_Get##Result##Field(JNIEnv *env, \

  1034                                  jobject obj, \

  1035                                  jfieldID fieldID)) \

  1036     functionEnter(thr); \

  1037     IN_VM( \

  1038       checkInstanceFieldID(thr, fieldID, obj, FieldType); \

  1039     ) \

  1040     ReturnType result = UNCHECKED()->Get##Result##Field(env,obj,fieldID); \

  1041     functionExit(env); \

  1042     return result; \

  1043 JNI_END

  1045 WRAPPER_GetField(jobject,  Object,  T_OBJECT)

  1046 WRAPPER_GetField(jboolean, Boolean, T_BOOLEAN)

  1047 WRAPPER_GetField(jbyte,    Byte,    T_BYTE)

  1048 WRAPPER_GetField(jshort,   Short,   T_SHORT)

  1049 WRAPPER_GetField(jchar,    Char,    T_CHAR)

  1050 WRAPPER_GetField(jint,     Int,     T_INT)

  1051 WRAPPER_GetField(jlong,    Long,    T_LONG)

  1052 WRAPPER_GetField(jfloat,   Float,   T_FLOAT)

  1053 WRAPPER_GetField(jdouble,  Double,  T_DOUBLE)

  1055 #define WRAPPER_SetField(ValueType,Result,FieldType) \

  1056 JNI_ENTRY_CHECKED(void,  \

  1057   checked_jni_Set##Result##Field(JNIEnv *env, \

  1058                                  jobject obj, \

  1059                                  jfieldID fieldID, \

  1060                                  ValueType val)) \

  1061     functionEnter(thr); \

  1062     IN_VM( \

  1063       checkInstanceFieldID(thr, fieldID, obj, FieldType); \

  1064     ) \

  1065     UNCHECKED()->Set##Result##Field(env,obj,fieldID,val); \

  1066     functionExit(env); \

  1067 JNI_END

  1069 WRAPPER_SetField(jobject,  Object,  T_OBJECT)

  1070 WRAPPER_SetField(jboolean, Boolean, T_BOOLEAN)

  1071 WRAPPER_SetField(jbyte,    Byte,    T_BYTE)

  1072 WRAPPER_SetField(jshort,   Short,   T_SHORT)

  1073 WRAPPER_SetField(jchar,    Char,    T_CHAR)

  1074 WRAPPER_SetField(jint,     Int,     T_INT)

  1075 WRAPPER_SetField(jlong,    Long,    T_LONG)

  1076 WRAPPER_SetField(jfloat,   Float,   T_FLOAT)

  1077 WRAPPER_SetField(jdouble,  Double,  T_DOUBLE)

  1080 JNI_ENTRY_CHECKED(jmethodID,

  1081   checked_jni_GetStaticMethodID(JNIEnv *env,

  1082                                 jclass clazz,

  1083                                 const char *name,

  1084                                 const char *sig))

  1085     functionEnter(thr);

  1086     IN_VM(

  1087       jniCheck::validate_class(thr, clazz, false);

  1088     )

  1089     jmethodID result = UNCHECKED()->GetStaticMethodID(env,clazz,name,sig);

  1090     functionExit(env);

  1091     return result;

  1092 JNI_END

  1094 #define WRAPPER_CallStaticMethod(ReturnType,Result) \

  1095 JNI_ENTRY_CHECKED(ReturnType,  \

  1096   checked_jni_CallStatic##Result##Method(JNIEnv *env, \

  1097                                          jclass clazz, \

  1098                                          jmethodID methodID, \

  1099                                          ...)) \

  1100     functionEnter(thr); \

  1101     va_list args; \

  1102     IN_VM( \

  1103       jniCheck::validate_jmethod_id(thr, methodID); \

  1104       jniCheck::validate_class(thr, clazz, false); \

  1105     ) \

  1106     va_start(args,methodID); \

  1107     ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \

  1108                                                                  clazz, \

  1109                                                                  methodID, \

  1110                                                                  args); \

  1111     va_end(args); \

  1112     functionExit(env); \

  1113     return result; \

  1114 JNI_END \

  1115 \

  1116 JNI_ENTRY_CHECKED(ReturnType,  \

  1117   checked_jni_CallStatic##Result##MethodV(JNIEnv *env, \

  1118                                           jclass clazz, \

  1119                                           jmethodID methodID,\

  1120                                           va_list args)) \

  1121     functionEnter(thr); \

  1122     IN_VM( \

  1123       jniCheck::validate_jmethod_id(thr, methodID); \

  1124       jniCheck::validate_class(thr, clazz, false); \

  1125     ) \

  1126     ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \

  1127                                                                  clazz, \

  1128                                                                  methodID, \

  1129                                                                  args); \

  1130     functionExit(env); \

  1131     return result; \

  1132 JNI_END \

  1133 \

  1134 JNI_ENTRY_CHECKED(ReturnType,  \

  1135   checked_jni_CallStatic##Result##MethodA(JNIEnv *env, \

  1136                                           jclass clazz, \

  1137                                           jmethodID methodID, \

  1138                                           const jvalue *args)) \

  1139     functionEnter(thr); \

  1140     IN_VM( \

  1141       jniCheck::validate_jmethod_id(thr, methodID); \

  1142       jniCheck::validate_class(thr, clazz, false); \

  1143     ) \

  1144     ReturnType result = UNCHECKED()->CallStatic##Result##MethodA(env, \

  1145                                                                  clazz, \

  1146                                                                  methodID, \

  1147                                                                  args); \

  1148     functionExit(env); \

  1149     return result; \

  1150 JNI_END

  1152 WRAPPER_CallStaticMethod(jobject,Object)

  1153 WRAPPER_CallStaticMethod(jboolean,Boolean)

  1154 WRAPPER_CallStaticMethod(jbyte,Byte)

  1155 WRAPPER_CallStaticMethod(jshort,Short)

  1156 WRAPPER_CallStaticMethod(jchar,Char)

  1157 WRAPPER_CallStaticMethod(jint,Int)

  1158 WRAPPER_CallStaticMethod(jlong,Long)

  1159 WRAPPER_CallStaticMethod(jfloat,Float)

  1160 WRAPPER_CallStaticMethod(jdouble,Double)

  1162 JNI_ENTRY_CHECKED(void,

  1163   checked_jni_CallStaticVoidMethod(JNIEnv *env,

  1164                                    jclass cls,

  1165                                    jmethodID methodID,

  1166                                    ...))

  1167     functionEnter(thr);

  1168     va_list args;

  1169     IN_VM(

  1170       jniCheck::validate_jmethod_id(thr, methodID);

  1171       jniCheck::validate_class(thr, cls, false);

  1172     )

  1173     va_start(args,methodID);

  1174     UNCHECKED()->CallStaticVoidMethodV(env,cls,methodID,args);

  1175     va_end(args);

  1176     functionExit(env);

  1177 JNI_END

  1179 JNI_ENTRY_CHECKED(void,

  1180   checked_jni_CallStaticVoidMethodV(JNIEnv *env,

  1181                                     jclass cls,

  1182                                     jmethodID methodID,

  1183                                     va_list args))

  1184     functionEnter(thr);

  1185     IN_VM(

  1186       jniCheck::validate_jmethod_id(thr, methodID);

  1187       jniCheck::validate_class(thr, cls, false);

  1188     )

  1189     UNCHECKED()->CallStaticVoidMethodV(env,cls,methodID,args);

  1190     functionExit(env);

  1191 JNI_END

  1193 JNI_ENTRY_CHECKED(void,

  1194   checked_jni_CallStaticVoidMethodA(JNIEnv *env,

  1195                                     jclass cls,

  1196                                     jmethodID methodID,

  1197                                     const jvalue * args))

  1198     functionEnter(thr);

  1199     IN_VM(

  1200       jniCheck::validate_jmethod_id(thr, methodID);

  1201       jniCheck::validate_class(thr, cls, false);

  1202     )

  1203     UNCHECKED()->CallStaticVoidMethodA(env,cls,methodID,args);

  1204     functionExit(env);

  1205 JNI_END

  1207 JNI_ENTRY_CHECKED(jfieldID,

  1208   checked_jni_GetStaticFieldID(JNIEnv *env,

  1209                                jclass clazz,

  1210                                const char *name,

  1211                                const char *sig))

  1212     functionEnter(thr);

  1213     IN_VM(

  1214       jniCheck::validate_class(thr, clazz, false);

  1215     )

  1216     jfieldID result = UNCHECKED()->GetStaticFieldID(env,clazz,name,sig);

  1217     functionExit(env);

  1218     return result;

  1219 JNI_END

  1221 #define WRAPPER_GetStaticField(ReturnType,Result,FieldType) \

  1222 JNI_ENTRY_CHECKED(ReturnType,  \

  1223   checked_jni_GetStatic##Result##Field(JNIEnv *env, \

  1224                                        jclass clazz, \

  1225                                        jfieldID fieldID)) \

  1226     functionEnter(thr); \

  1227     IN_VM( \

  1228       jniCheck::validate_class(thr, clazz, false); \

  1229       checkStaticFieldID(thr, fieldID, clazz, FieldType); \

  1230     ) \

  1231     ReturnType result = UNCHECKED()->GetStatic##Result##Field(env, \

  1232                                                               clazz, \

  1233                                                               fieldID); \

  1234     functionExit(env); \

  1235     return result; \

  1236 JNI_END

  1238 WRAPPER_GetStaticField(jobject,  Object,  T_OBJECT)

  1239 WRAPPER_GetStaticField(jboolean, Boolean, T_BOOLEAN)

  1240 WRAPPER_GetStaticField(jbyte,    Byte,    T_BYTE)

  1241 WRAPPER_GetStaticField(jshort,   Short,   T_SHORT)

  1242 WRAPPER_GetStaticField(jchar,    Char,    T_CHAR)

  1243 WRAPPER_GetStaticField(jint,     Int,     T_INT)

  1244 WRAPPER_GetStaticField(jlong,    Long,    T_LONG)

  1245 WRAPPER_GetStaticField(jfloat,   Float,   T_FLOAT)

  1246 WRAPPER_GetStaticField(jdouble,  Double,  T_DOUBLE)

  1248 #define WRAPPER_SetStaticField(ValueType,Result,FieldType) \

  1249 JNI_ENTRY_CHECKED(void,  \

  1250   checked_jni_SetStatic##Result##Field(JNIEnv *env, \

  1251                                        jclass clazz, \

  1252                                        jfieldID fieldID, \

  1253                                        ValueType value)) \

  1254     functionEnter(thr); \

  1255     IN_VM( \

  1256       jniCheck::validate_class(thr, clazz, false); \

  1257       checkStaticFieldID(thr, fieldID, clazz, FieldType); \

  1258     ) \

  1259     UNCHECKED()->SetStatic##Result##Field(env,clazz,fieldID,value); \

  1260     functionExit(env); \

  1261 JNI_END

  1263 WRAPPER_SetStaticField(jobject,  Object,  T_OBJECT)

  1264 WRAPPER_SetStaticField(jboolean, Boolean, T_BOOLEAN)

  1265 WRAPPER_SetStaticField(jbyte,    Byte,    T_BYTE)

  1266 WRAPPER_SetStaticField(jshort,   Short,   T_SHORT)

  1267 WRAPPER_SetStaticField(jchar,    Char,    T_CHAR)

  1268 WRAPPER_SetStaticField(jint,     Int,     T_INT)

  1269 WRAPPER_SetStaticField(jlong,    Long,    T_LONG)

  1270 WRAPPER_SetStaticField(jfloat,   Float,   T_FLOAT)

  1271 WRAPPER_SetStaticField(jdouble,  Double,  T_DOUBLE)

  1274 JNI_ENTRY_CHECKED(jstring,

  1275   checked_jni_NewString(JNIEnv *env,

  1276                         const jchar *unicode,

  1277                         jsize len))

  1278     functionEnter(thr);

  1279     jstring result = UNCHECKED()->NewString(env,unicode,len);

  1280     functionExit(env);

  1281     return result;

  1282 JNI_END

  1284 JNI_ENTRY_CHECKED(jsize,

  1285   checked_jni_GetStringLength(JNIEnv *env,

  1286                               jstring str))

  1287     functionEnter(thr);

  1288     IN_VM(

  1289       checkString(thr, str);

  1290     )

  1291     jsize result = UNCHECKED()->GetStringLength(env,str);

  1292     functionExit(env);

  1293     return result;

  1294 JNI_END

  1296 // Arbitrary (but well-known) tag

  1297 const jint STRING_TAG = 0x47114711;

  1299 JNI_ENTRY_CHECKED(const jchar *,

  1300   checked_jni_GetStringChars(JNIEnv *env,

  1301                              jstring str,

  1302                              jboolean *isCopy))

  1303     functionEnter(thr);

  1304     IN_VM(

  1305       checkString(thr, str);

  1306     )

  1307     const jchar *result = UNCHECKED()->GetStringChars(env,str,isCopy);

  1308     assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringChars didn't return a copy as expected");

  1310     size_t len = UNCHECKED()->GetStringLength(env,str) + 1; // + 1 for NULL termination

  1311     jint* tagLocation = (jint*) AllocateHeap(len * sizeof(jchar) + sizeof(jint), mtInternal);

  1312     *tagLocation = STRING_TAG;

  1313     jchar* newResult = (jchar*) (tagLocation + 1);

  1314     memcpy(newResult, result, len * sizeof(jchar));

  1315     // Avoiding call to UNCHECKED()->ReleaseStringChars() since that will fire unexpected dtrace probes

  1316     // Note that the dtrace arguments for the allocated memory will not match up with this solution.

  1317     FreeHeap((char*)result);

  1319     functionExit(env);

  1320     return newResult;

  1321 JNI_END

  1323 JNI_ENTRY_CHECKED(void,

  1324   checked_jni_ReleaseStringChars(JNIEnv *env,

  1325                                  jstring str,

  1326                                  const jchar *chars))

  1327     functionEnterExceptionAllowed(thr);

  1328     IN_VM(

  1329       checkString(thr, str);

  1330     )

  1331     if (chars == NULL) {

  1332        // still do the unchecked call to allow dtrace probes

  1333        UNCHECKED()->ReleaseStringChars(env,str,chars);

  1334     }

  1335     else {

  1336        jint* tagLocation = ((jint*) chars) - 1;

  1337        if (*tagLocation != STRING_TAG) {

  1338           NativeReportJNIFatalError(thr, "ReleaseStringChars called on something not allocated by GetStringChars");

  1339        }

  1340        UNCHECKED()->ReleaseStringChars(env,str,(const jchar*)tagLocation);

  1341     }

  1342     functionExit(env);

  1343 JNI_END

  1345 JNI_ENTRY_CHECKED(jstring,

  1346   checked_jni_NewStringUTF(JNIEnv *env,

  1347                            const char *utf))

  1348     functionEnter(thr);

  1349     jstring result = UNCHECKED()->NewStringUTF(env,utf);

  1350     functionExit(env);

  1351     return result;

  1352 JNI_END

  1354 JNI_ENTRY_CHECKED(jsize,

  1355   checked_jni_GetStringUTFLength(JNIEnv *env,

  1356                                  jstring str))

  1357     functionEnter(thr);

  1358     IN_VM(

  1359       checkString(thr, str);

  1360     )

  1361     jsize result = UNCHECKED()->GetStringUTFLength(env,str);

  1362     functionExit(env);

  1363     return result;

  1364 JNI_END

  1366 // Arbitrary (but well-known) tag - different than GetStringChars

  1367 const jint STRING_UTF_TAG = 0x48124812;

  1369 JNI_ENTRY_CHECKED(const char *,

  1370   checked_jni_GetStringUTFChars(JNIEnv *env,

  1371                                 jstring str,

  1372                                 jboolean *isCopy))

  1373     functionEnter(thr);

  1374     IN_VM(

  1375       checkString(thr, str);

  1376     )

  1377     const char *result = UNCHECKED()->GetStringUTFChars(env,str,isCopy);

  1378     assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringUTFChars didn't return a copy as expected");

  1380     size_t len = strlen(result) + 1; // + 1 for NULL termination

  1381     jint* tagLocation = (jint*) AllocateHeap(len + sizeof(jint), mtInternal);

  1382     *tagLocation = STRING_UTF_TAG;

  1383     char* newResult = (char*) (tagLocation + 1);

  1384     strcpy(newResult, result);

  1385     // Avoiding call to UNCHECKED()->ReleaseStringUTFChars() since that will fire unexpected dtrace probes

  1386     // Note that the dtrace arguments for the allocated memory will not match up with this solution.

  1387     FreeHeap((char*)result, mtInternal);

  1389     functionExit(env);

  1390     return newResult;

  1391 JNI_END

  1393 JNI_ENTRY_CHECKED(void,

  1394   checked_jni_ReleaseStringUTFChars(JNIEnv *env,

  1395                                     jstring str,

  1396                                     const char* chars))

  1397     functionEnterExceptionAllowed(thr);

  1398     IN_VM(

  1399       checkString(thr, str);

  1400     )

  1401     if (chars == NULL) {

  1402        // still do the unchecked call to allow dtrace probes

  1403        UNCHECKED()->ReleaseStringUTFChars(env,str,chars);

  1404     }

  1405     else {

  1406        jint* tagLocation = ((jint*) chars) - 1;

  1407        if (*tagLocation != STRING_UTF_TAG) {

  1408           NativeReportJNIFatalError(thr, "ReleaseStringUTFChars called on something not allocated by GetStringUTFChars");

  1409        }

  1410        UNCHECKED()->ReleaseStringUTFChars(env,str,(const char*)tagLocation);

  1411     }

  1412     functionExit(env);

  1413 JNI_END

  1415 JNI_ENTRY_CHECKED(jsize,

  1416   checked_jni_GetArrayLength(JNIEnv *env,

  1417                              jarray array))

  1418     functionEnter(thr);

  1419     IN_VM(

  1420       checkArray(thr, array, -1);

  1421     )

  1422     jsize result = UNCHECKED()->GetArrayLength(env,array);

  1423     functionExit(env);

  1424     return result;

  1425 JNI_END

  1427 JNI_ENTRY_CHECKED(jobjectArray,

  1428   checked_jni_NewObjectArray(JNIEnv *env,

  1429                              jsize len,

  1430                              jclass clazz,

  1431                              jobject init))

  1432     functionEnter(thr);

  1433     jobjectArray result = UNCHECKED()->NewObjectArray(env,len,clazz,init);

  1434     functionExit(env);

  1435     return result;

  1436 JNI_END

  1438 JNI_ENTRY_CHECKED(jobject,

  1439   checked_jni_GetObjectArrayElement(JNIEnv *env,

  1440                                     jobjectArray array,

  1441                                     jsize index))

  1442     functionEnter(thr);

  1443     IN_VM(

  1444       checkArray(thr, array, T_OBJECT);

  1445     )

  1446     jobject result = UNCHECKED()->GetObjectArrayElement(env,array,index);

  1447     functionExit(env);

  1448     return result;

  1449 JNI_END

  1451 JNI_ENTRY_CHECKED(void,

  1452   checked_jni_SetObjectArrayElement(JNIEnv *env,

  1453                                     jobjectArray array,

  1454                                     jsize index,

  1455                                     jobject val))

  1456     functionEnter(thr);

  1457     IN_VM(

  1458       checkArray(thr, array, T_OBJECT);

  1459     )

  1460     UNCHECKED()->SetObjectArrayElement(env,array,index,val);

  1461     functionExit(env);

  1462 JNI_END

  1464 #define WRAPPER_NewScalarArray(Return, Result) \

  1465 JNI_ENTRY_CHECKED(Return, \

  1466   checked_jni_New##Result##Array(JNIEnv *env, \

  1467                                  jsize len)) \

  1468     functionEnter(thr); \

  1469     Return result = UNCHECKED()->New##Result##Array(env,len); \

  1470     functionExit(env); \

  1471     return (Return) result; \

  1472 JNI_END

  1474 WRAPPER_NewScalarArray(jbooleanArray, Boolean)

  1475 WRAPPER_NewScalarArray(jbyteArray, Byte)

  1476 WRAPPER_NewScalarArray(jshortArray, Short)

  1477 WRAPPER_NewScalarArray(jcharArray, Char)

  1478 WRAPPER_NewScalarArray(jintArray, Int)

  1479 WRAPPER_NewScalarArray(jlongArray, Long)

  1480 WRAPPER_NewScalarArray(jfloatArray, Float)

  1481 WRAPPER_NewScalarArray(jdoubleArray, Double)

  1483 #define WRAPPER_GetScalarArrayElements(ElementTag,ElementType,Result) \

  1484 JNI_ENTRY_CHECKED(ElementType *,  \

  1485   checked_jni_Get##Result##ArrayElements(JNIEnv *env, \

  1486                                          ElementType##Array array, \

  1487                                          jboolean *isCopy)) \

  1488     functionEnter(thr); \

  1489     IN_VM( \

  1490       checkArray(thr, array, ElementTag); \

  1491     ) \

  1492     ElementType *result = UNCHECKED()->Get##Result##ArrayElements(env, \

  1493                                                                   array, \

  1494                                                                   isCopy); \

  1495     functionExit(env); \

  1496     return result; \

  1497 JNI_END

  1499 WRAPPER_GetScalarArrayElements(T_BOOLEAN, jboolean, Boolean)

  1500 WRAPPER_GetScalarArrayElements(T_BYTE,    jbyte,    Byte)

  1501 WRAPPER_GetScalarArrayElements(T_SHORT,   jshort,   Short)

  1502 WRAPPER_GetScalarArrayElements(T_CHAR,    jchar,    Char)

  1503 WRAPPER_GetScalarArrayElements(T_INT,     jint,     Int)

  1504 WRAPPER_GetScalarArrayElements(T_LONG,    jlong,    Long)

  1505 WRAPPER_GetScalarArrayElements(T_FLOAT,   jfloat,   Float)

  1506 WRAPPER_GetScalarArrayElements(T_DOUBLE,  jdouble,  Double)

  1508 #define WRAPPER_ReleaseScalarArrayElements(ElementTag,ElementType,Result,Tag) \

  1509 JNI_ENTRY_CHECKED(void,  \

  1510   checked_jni_Release##Result##ArrayElements(JNIEnv *env, \

  1511                                              ElementType##Array array, \

  1512                                              ElementType *elems, \

  1513                                              jint mode)) \

  1514     functionEnterExceptionAllowed(thr); \

  1515     IN_VM( \

  1516       checkArray(thr, array, ElementTag); \

  1517       ASSERT_OOPS_ALLOWED; \

  1518       typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \

  1519       /* cannot check validity of copy, unless every request is logged by

  1520        * checking code.  Implementation of this check is deferred until a

  1521        * subsequent release.

  1522        */ \

  1523     ) \

  1524     UNCHECKED()->Release##Result##ArrayElements(env,array,elems,mode); \

  1525     functionExit(env); \

  1526 JNI_END

  1528 WRAPPER_ReleaseScalarArrayElements(T_BOOLEAN,jboolean, Boolean, bool)

  1529 WRAPPER_ReleaseScalarArrayElements(T_BYTE,   jbyte,    Byte,    byte)

  1530 WRAPPER_ReleaseScalarArrayElements(T_SHORT,  jshort,   Short,   short)

  1531 WRAPPER_ReleaseScalarArrayElements(T_CHAR,   jchar,    Char,    char)

  1532 WRAPPER_ReleaseScalarArrayElements(T_INT,    jint,     Int,     int)

  1533 WRAPPER_ReleaseScalarArrayElements(T_LONG,   jlong,    Long,    long)

  1534 WRAPPER_ReleaseScalarArrayElements(T_FLOAT,  jfloat,   Float,   float)

  1535 WRAPPER_ReleaseScalarArrayElements(T_DOUBLE, jdouble,  Double,  double)

  1537 #define WRAPPER_GetScalarArrayRegion(ElementTag,ElementType,Result) \

  1538 JNI_ENTRY_CHECKED(void,  \

  1539   checked_jni_Get##Result##ArrayRegion(JNIEnv *env, \

  1540                                        ElementType##Array array, \

  1541                                        jsize start, \

  1542                                        jsize len, \

  1543                                        ElementType *buf)) \

  1544     functionEnter(thr); \

  1545     IN_VM( \

  1546       checkArray(thr, array, ElementTag); \

  1547     ) \

  1548     UNCHECKED()->Get##Result##ArrayRegion(env,array,start,len,buf); \

  1549     functionExit(env); \

  1550 JNI_END

  1552 WRAPPER_GetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean)

  1553 WRAPPER_GetScalarArrayRegion(T_BYTE,    jbyte,    Byte)

  1554 WRAPPER_GetScalarArrayRegion(T_SHORT,   jshort,   Short)

  1555 WRAPPER_GetScalarArrayRegion(T_CHAR,    jchar,    Char)

  1556 WRAPPER_GetScalarArrayRegion(T_INT,     jint,     Int)

  1557 WRAPPER_GetScalarArrayRegion(T_LONG,    jlong,    Long)

  1558 WRAPPER_GetScalarArrayRegion(T_FLOAT,   jfloat,   Float)

  1559 WRAPPER_GetScalarArrayRegion(T_DOUBLE,  jdouble,  Double)

  1561 #define WRAPPER_SetScalarArrayRegion(ElementTag,ElementType,Result) \

  1562 JNI_ENTRY_CHECKED(void,  \

  1563   checked_jni_Set##Result##ArrayRegion(JNIEnv *env, \

  1564                                        ElementType##Array array, \

  1565                                        jsize start, \

  1566                                        jsize len, \

  1567                                        const ElementType *buf)) \

  1568     functionEnter(thr); \

  1569     IN_VM( \

  1570       checkArray(thr, array, ElementTag); \

  1571     ) \

  1572     UNCHECKED()->Set##Result##ArrayRegion(env,array,start,len,buf); \

  1573     functionExit(env); \

  1574 JNI_END

  1576 WRAPPER_SetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean)

  1577 WRAPPER_SetScalarArrayRegion(T_BYTE,    jbyte,    Byte)

  1578 WRAPPER_SetScalarArrayRegion(T_SHORT,   jshort,   Short)

  1579 WRAPPER_SetScalarArrayRegion(T_CHAR,    jchar,    Char)

  1580 WRAPPER_SetScalarArrayRegion(T_INT,     jint,     Int)

  1581 WRAPPER_SetScalarArrayRegion(T_LONG,    jlong,    Long)

  1582 WRAPPER_SetScalarArrayRegion(T_FLOAT,   jfloat,   Float)

  1583 WRAPPER_SetScalarArrayRegion(T_DOUBLE,  jdouble,  Double)

  1585 JNI_ENTRY_CHECKED(jint,

  1586   checked_jni_RegisterNatives(JNIEnv *env,

  1587                               jclass clazz,

  1588                               const JNINativeMethod *methods,

  1589                               jint nMethods))

  1590     functionEnter(thr);

  1591     jint result = UNCHECKED()->RegisterNatives(env,clazz,methods,nMethods);

  1592     functionExit(env);

  1593     return result;

  1594 JNI_END

  1596 JNI_ENTRY_CHECKED(jint,

  1597   checked_jni_UnregisterNatives(JNIEnv *env,

  1598                                 jclass clazz))

  1599     functionEnter(thr);

  1600     jint result = UNCHECKED()->UnregisterNatives(env,clazz);

  1601     functionExit(env);

  1602     return result;

  1603 JNI_END

  1605 JNI_ENTRY_CHECKED(jint,

  1606   checked_jni_MonitorEnter(JNIEnv *env,

  1607                            jobject obj))

  1608     functionEnter(thr);

  1609     IN_VM(

  1610       jniCheck::validate_object(thr, obj);

  1611     )

  1612     jint result = UNCHECKED()->MonitorEnter(env,obj);

  1613     functionExit(env);

  1614     return result;

  1615 JNI_END

  1617 JNI_ENTRY_CHECKED(jint,

  1618   checked_jni_MonitorExit(JNIEnv *env,

  1619                           jobject obj))

  1620     functionEnterExceptionAllowed(thr);

  1621     IN_VM(

  1622       jniCheck::validate_object(thr, obj);

  1623     )

  1624     jint result = UNCHECKED()->MonitorExit(env,obj);

  1625     functionExit(env);

  1626     return result;

  1627 JNI_END

  1629 JNI_ENTRY_CHECKED(jint,

  1630   checked_jni_GetJavaVM(JNIEnv *env,

  1631                         JavaVM **vm))

  1632     functionEnter(thr);

  1633     jint result = UNCHECKED()->GetJavaVM(env,vm);

  1634     functionExit(env);

  1635     return result;

  1636 JNI_END

  1638 JNI_ENTRY_CHECKED(void,

  1639   checked_jni_GetStringRegion(JNIEnv *env,

  1640                               jstring str,

  1641                               jsize start,

  1642                               jsize len,

  1643                               jchar *buf))

  1644     functionEnter(thr);

  1645     IN_VM(

  1646       checkString(thr, str);

  1647     )

  1648     UNCHECKED()->GetStringRegion(env, str, start, len, buf);

  1649     functionExit(env);

  1650 JNI_END

  1652 JNI_ENTRY_CHECKED(void,

  1653   checked_jni_GetStringUTFRegion(JNIEnv *env,

  1654                                  jstring str,

  1655                                  jsize start,

  1656                                  jsize len,

  1657                                  char *buf))

  1658     functionEnter(thr);

  1659     IN_VM(

  1660       checkString(thr, str);

  1661     )

  1662     UNCHECKED()->GetStringUTFRegion(env, str, start, len, buf);

  1663     functionExit(env);

  1664 JNI_END

  1666 JNI_ENTRY_CHECKED(void *,

  1667   checked_jni_GetPrimitiveArrayCritical(JNIEnv *env,

  1668                                         jarray array,

  1669                                         jboolean *isCopy))

  1670     functionEnterCritical(thr);

  1671     IN_VM(

  1672       checkArray(thr, array, -1);

  1673     )

  1674     void *result = UNCHECKED()->GetPrimitiveArrayCritical(env, array, isCopy);

  1675     functionExit(env);

  1676     return result;

  1677 JNI_END

  1679 JNI_ENTRY_CHECKED(void,

  1680   checked_jni_ReleasePrimitiveArrayCritical(JNIEnv *env,

  1681                                             jarray array,

  1682                                             void *carray,

  1683                                             jint mode))

  1684     functionEnterCriticalExceptionAllowed(thr);

  1685     IN_VM(

  1686       checkArray(thr, array, -1);

  1687     )

  1688     /* The Hotspot JNI code does not use the parameters, so just check the

  1689      * array parameter as a minor sanity check

  1690      */

  1691     UNCHECKED()->ReleasePrimitiveArrayCritical(env, array, carray, mode);

  1692     functionExit(env);

  1693 JNI_END

  1695 JNI_ENTRY_CHECKED(const jchar*,

  1696   checked_jni_GetStringCritical(JNIEnv *env,

  1697                                 jstring string,

  1698                                 jboolean *isCopy))

  1699     functionEnterCritical(thr);

  1700     IN_VM(

  1701       checkString(thr, string);

  1702     )

  1703     const jchar *result = UNCHECKED()->GetStringCritical(env, string, isCopy);

  1704     functionExit(env);

  1705     return result;

  1706 JNI_END

  1708 JNI_ENTRY_CHECKED(void,

  1709   checked_jni_ReleaseStringCritical(JNIEnv *env,

  1710                                     jstring str,

  1711                                     const jchar *chars))

  1712     functionEnterCriticalExceptionAllowed(thr);

  1713     IN_VM(

  1714       checkString(thr, str);

  1715     )

  1716     /* The Hotspot JNI code does not use the parameters, so just check the

  1717      * string parameter as a minor sanity check

  1718      */

  1719     UNCHECKED()->ReleaseStringCritical(env, str, chars);

  1720     functionExit(env);

  1721 JNI_END

  1723 JNI_ENTRY_CHECKED(jweak,

  1724   checked_jni_NewWeakGlobalRef(JNIEnv *env,

  1725                                jobject obj))

  1726     functionEnter(thr);

  1727     IN_VM(

  1728       if (obj != NULL) {

  1729         jniCheck::validate_handle(thr, obj);

  1730       }

  1731     )

  1732     jweak result = UNCHECKED()->NewWeakGlobalRef(env, obj);

  1733     functionExit(env);

  1734     return result;

  1735 JNI_END

  1737 JNI_ENTRY_CHECKED(void,

  1738   checked_jni_DeleteWeakGlobalRef(JNIEnv *env,

  1739                                   jweak ref))

  1740     functionEnterExceptionAllowed(thr);

  1741     UNCHECKED()->DeleteWeakGlobalRef(env, ref);

  1742     functionExit(env);

  1743 JNI_END

  1745 JNI_ENTRY_CHECKED(jboolean,

  1746   checked_jni_ExceptionCheck(JNIEnv *env))

  1747     functionEnterExceptionAllowed(thr);

  1748     jboolean result = UNCHECKED()->ExceptionCheck(env);

  1749     functionExit(env);

  1750     return result;

  1751 JNI_END

  1753 JNI_ENTRY_CHECKED(jobject,

  1754   checked_jni_NewDirectByteBuffer(JNIEnv *env,

  1755                                   void *address,

  1756                                   jlong capacity))

  1757     functionEnter(thr);

  1758     jobject result = UNCHECKED()->NewDirectByteBuffer(env, address, capacity);

  1759     functionExit(env);

  1760     return result;

  1761 JNI_END

  1763 JNI_ENTRY_CHECKED(void *,

  1764   checked_jni_GetDirectBufferAddress(JNIEnv *env,

  1765                                      jobject buf))

  1766     functionEnter(thr);

  1767     void* result = UNCHECKED()->GetDirectBufferAddress(env, buf);

  1768     functionExit(env);

  1769     return result;

  1770 JNI_END

  1772 JNI_ENTRY_CHECKED(jlong,

  1773   checked_jni_GetDirectBufferCapacity(JNIEnv *env,

  1774                                       jobject buf))

  1775     functionEnter(thr);

  1776     jlong result = UNCHECKED()->GetDirectBufferCapacity(env, buf);

  1777     functionExit(env);

  1778     return result;

  1779 JNI_END

  1781 JNI_ENTRY_CHECKED(jobjectRefType,

  1782   checked_jni_GetObjectRefType(JNIEnv *env,

  1783                                jobject obj))

  1784     functionEnter(thr);

  1785     /* validate the object being passed */

  1786     IN_VM(

  1787       jniCheck::validate_object(thr, obj);

  1788     )

  1789     jobjectRefType result = UNCHECKED()->GetObjectRefType(env, obj);

  1790     functionExit(env);

  1791     return result;

  1792 JNI_END

  1795 JNI_ENTRY_CHECKED(jint,

  1796   checked_jni_GetVersion(JNIEnv *env))

  1797     functionEnter(thr);

  1798     jint result = UNCHECKED()->GetVersion(env);

  1799     functionExit(env);

  1800     return result;

  1801 JNI_END

  1805 /*

  1806  * Structure containing all checked jni functions

  1807  */

  1808 struct JNINativeInterface_  checked_jni_NativeInterface = {

  1809     NULL,

  1810     NULL,

  1811     NULL,

  1813     NULL,

  1815     checked_jni_GetVersion,

  1817     checked_jni_DefineClass,

  1818     checked_jni_FindClass,

  1820     checked_jni_FromReflectedMethod,

  1821     checked_jni_FromReflectedField,

  1823     checked_jni_ToReflectedMethod,

  1825     checked_jni_GetSuperclass,

  1826     checked_jni_IsAssignableFrom,

  1828     checked_jni_ToReflectedField,

  1830     checked_jni_Throw,

  1831     checked_jni_ThrowNew,

  1832     checked_jni_ExceptionOccurred,

  1833     checked_jni_ExceptionDescribe,

  1834     checked_jni_ExceptionClear,

  1835     checked_jni_FatalError,

  1837     checked_jni_PushLocalFrame,

  1838     checked_jni_PopLocalFrame,

  1840     checked_jni_NewGlobalRef,

  1841     checked_jni_DeleteGlobalRef,

  1842     checked_jni_DeleteLocalRef,

  1843     checked_jni_IsSameObject,

  1845     checked_jni_NewLocalRef,

  1846     checked_jni_EnsureLocalCapacity,

  1848     checked_jni_AllocObject,

  1849     checked_jni_NewObject,

  1850     checked_jni_NewObjectV,

  1851     checked_jni_NewObjectA,

  1853     checked_jni_GetObjectClass,

  1854     checked_jni_IsInstanceOf,

  1856     checked_jni_GetMethodID,

  1858     checked_jni_CallObjectMethod,

  1859     checked_jni_CallObjectMethodV,

  1860     checked_jni_CallObjectMethodA,

  1861     checked_jni_CallBooleanMethod,

  1862     checked_jni_CallBooleanMethodV,

  1863     checked_jni_CallBooleanMethodA,

  1864     checked_jni_CallByteMethod,

  1865     checked_jni_CallByteMethodV,

  1866     checked_jni_CallByteMethodA,

  1867     checked_jni_CallCharMethod,

  1868     checked_jni_CallCharMethodV,

  1869     checked_jni_CallCharMethodA,

  1870     checked_jni_CallShortMethod,

  1871     checked_jni_CallShortMethodV,

  1872     checked_jni_CallShortMethodA,

  1873     checked_jni_CallIntMethod,

  1874     checked_jni_CallIntMethodV,

  1875     checked_jni_CallIntMethodA,

  1876     checked_jni_CallLongMethod,

  1877     checked_jni_CallLongMethodV,

  1878     checked_jni_CallLongMethodA,

  1879     checked_jni_CallFloatMethod,

  1880     checked_jni_CallFloatMethodV,

  1881     checked_jni_CallFloatMethodA,

  1882     checked_jni_CallDoubleMethod,

  1883     checked_jni_CallDoubleMethodV,

  1884     checked_jni_CallDoubleMethodA,

  1885     checked_jni_CallVoidMethod,

  1886     checked_jni_CallVoidMethodV,

  1887     checked_jni_CallVoidMethodA,

  1889     checked_jni_CallNonvirtualObjectMethod,

  1890     checked_jni_CallNonvirtualObjectMethodV,

  1891     checked_jni_CallNonvirtualObjectMethodA,

  1892     checked_jni_CallNonvirtualBooleanMethod,

  1893     checked_jni_CallNonvirtualBooleanMethodV,

  1894     checked_jni_CallNonvirtualBooleanMethodA,

  1895     checked_jni_CallNonvirtualByteMethod,

  1896     checked_jni_CallNonvirtualByteMethodV,

  1897     checked_jni_CallNonvirtualByteMethodA,

  1898     checked_jni_CallNonvirtualCharMethod,

  1899     checked_jni_CallNonvirtualCharMethodV,

  1900     checked_jni_CallNonvirtualCharMethodA,

  1901     checked_jni_CallNonvirtualShortMethod,

  1902     checked_jni_CallNonvirtualShortMethodV,

  1903     checked_jni_CallNonvirtualShortMethodA,

  1904     checked_jni_CallNonvirtualIntMethod,

  1905     checked_jni_CallNonvirtualIntMethodV,

  1906     checked_jni_CallNonvirtualIntMethodA,

  1907     checked_jni_CallNonvirtualLongMethod,

  1908     checked_jni_CallNonvirtualLongMethodV,

  1909     checked_jni_CallNonvirtualLongMethodA,

  1910     checked_jni_CallNonvirtualFloatMethod,

  1911     checked_jni_CallNonvirtualFloatMethodV,

  1912     checked_jni_CallNonvirtualFloatMethodA,

  1913     checked_jni_CallNonvirtualDoubleMethod,

  1914     checked_jni_CallNonvirtualDoubleMethodV,

  1915     checked_jni_CallNonvirtualDoubleMethodA,

  1916     checked_jni_CallNonvirtualVoidMethod,

  1917     checked_jni_CallNonvirtualVoidMethodV,

  1918     checked_jni_CallNonvirtualVoidMethodA,

  1920     checked_jni_GetFieldID,

  1922     checked_jni_GetObjectField,

  1923     checked_jni_GetBooleanField,

  1924     checked_jni_GetByteField,

  1925     checked_jni_GetCharField,

  1926     checked_jni_GetShortField,

  1927     checked_jni_GetIntField,

  1928     checked_jni_GetLongField,

  1929     checked_jni_GetFloatField,

  1930     checked_jni_GetDoubleField,

  1932     checked_jni_SetObjectField,

  1933     checked_jni_SetBooleanField,

  1934     checked_jni_SetByteField,

  1935     checked_jni_SetCharField,

  1936     checked_jni_SetShortField,

  1937     checked_jni_SetIntField,

  1938     checked_jni_SetLongField,

  1939     checked_jni_SetFloatField,

  1940     checked_jni_SetDoubleField,

  1942     checked_jni_GetStaticMethodID,

  1944     checked_jni_CallStaticObjectMethod,

  1945     checked_jni_CallStaticObjectMethodV,

  1946     checked_jni_CallStaticObjectMethodA,

  1947     checked_jni_CallStaticBooleanMethod,

  1948     checked_jni_CallStaticBooleanMethodV,

  1949     checked_jni_CallStaticBooleanMethodA,

  1950     checked_jni_CallStaticByteMethod,

  1951     checked_jni_CallStaticByteMethodV,

  1952     checked_jni_CallStaticByteMethodA,

  1953     checked_jni_CallStaticCharMethod,

  1954     checked_jni_CallStaticCharMethodV,

  1955     checked_jni_CallStaticCharMethodA,

  1956     checked_jni_CallStaticShortMethod,

  1957     checked_jni_CallStaticShortMethodV,

  1958     checked_jni_CallStaticShortMethodA,

  1959     checked_jni_CallStaticIntMethod,

  1960     checked_jni_CallStaticIntMethodV,

  1961     checked_jni_CallStaticIntMethodA,

  1962     checked_jni_CallStaticLongMethod,

  1963     checked_jni_CallStaticLongMethodV,

  1964     checked_jni_CallStaticLongMethodA,

  1965     checked_jni_CallStaticFloatMethod,

  1966     checked_jni_CallStaticFloatMethodV,

  1967     checked_jni_CallStaticFloatMethodA,

  1968     checked_jni_CallStaticDoubleMethod,

  1969     checked_jni_CallStaticDoubleMethodV,

  1970     checked_jni_CallStaticDoubleMethodA,

  1971     checked_jni_CallStaticVoidMethod,

  1972     checked_jni_CallStaticVoidMethodV,

  1973     checked_jni_CallStaticVoidMethodA,

  1975     checked_jni_GetStaticFieldID,

  1977     checked_jni_GetStaticObjectField,

  1978     checked_jni_GetStaticBooleanField,

  1979     checked_jni_GetStaticByteField,

  1980     checked_jni_GetStaticCharField,

  1981     checked_jni_GetStaticShortField,

  1982     checked_jni_GetStaticIntField,

  1983     checked_jni_GetStaticLongField,

  1984     checked_jni_GetStaticFloatField,

  1985     checked_jni_GetStaticDoubleField,

  1987     checked_jni_SetStaticObjectField,

  1988     checked_jni_SetStaticBooleanField,

  1989     checked_jni_SetStaticByteField,

  1990     checked_jni_SetStaticCharField,

  1991     checked_jni_SetStaticShortField,

  1992     checked_jni_SetStaticIntField,

  1993     checked_jni_SetStaticLongField,

  1994     checked_jni_SetStaticFloatField,

  1995     checked_jni_SetStaticDoubleField,

  1997     checked_jni_NewString,

  1998     checked_jni_GetStringLength,

  1999     checked_jni_GetStringChars,

  2000     checked_jni_ReleaseStringChars,

  2002     checked_jni_NewStringUTF,

  2003     checked_jni_GetStringUTFLength,

  2004     checked_jni_GetStringUTFChars,

  2005     checked_jni_ReleaseStringUTFChars,

  2007     checked_jni_GetArrayLength,

  2009     checked_jni_NewObjectArray,

  2010     checked_jni_GetObjectArrayElement,

  2011     checked_jni_SetObjectArrayElement,

  2013     checked_jni_NewBooleanArray,

  2014     checked_jni_NewByteArray,

  2015     checked_jni_NewCharArray,

  2016     checked_jni_NewShortArray,

  2017     checked_jni_NewIntArray,

  2018     checked_jni_NewLongArray,

  2019     checked_jni_NewFloatArray,

  2020     checked_jni_NewDoubleArray,

  2022     checked_jni_GetBooleanArrayElements,

  2023     checked_jni_GetByteArrayElements,

  2024     checked_jni_GetCharArrayElements,

  2025     checked_jni_GetShortArrayElements,

  2026     checked_jni_GetIntArrayElements,

  2027     checked_jni_GetLongArrayElements,

  2028     checked_jni_GetFloatArrayElements,

  2029     checked_jni_GetDoubleArrayElements,

  2031     checked_jni_ReleaseBooleanArrayElements,

  2032     checked_jni_ReleaseByteArrayElements,

  2033     checked_jni_ReleaseCharArrayElements,

  2034     checked_jni_ReleaseShortArrayElements,

  2035     checked_jni_ReleaseIntArrayElements,

  2036     checked_jni_ReleaseLongArrayElements,

  2037     checked_jni_ReleaseFloatArrayElements,

  2038     checked_jni_ReleaseDoubleArrayElements,

  2040     checked_jni_GetBooleanArrayRegion,

  2041     checked_jni_GetByteArrayRegion,

  2042     checked_jni_GetCharArrayRegion,

  2043     checked_jni_GetShortArrayRegion,

  2044     checked_jni_GetIntArrayRegion,

  2045     checked_jni_GetLongArrayRegion,

  2046     checked_jni_GetFloatArrayRegion,

  2047     checked_jni_GetDoubleArrayRegion,

  2049     checked_jni_SetBooleanArrayRegion,

  2050     checked_jni_SetByteArrayRegion,

  2051     checked_jni_SetCharArrayRegion,

  2052     checked_jni_SetShortArrayRegion,

  2053     checked_jni_SetIntArrayRegion,

  2054     checked_jni_SetLongArrayRegion,

  2055     checked_jni_SetFloatArrayRegion,

  2056     checked_jni_SetDoubleArrayRegion,

  2058     checked_jni_RegisterNatives,

  2059     checked_jni_UnregisterNatives,

  2061     checked_jni_MonitorEnter,

  2062     checked_jni_MonitorExit,

  2064     checked_jni_GetJavaVM,

  2066     checked_jni_GetStringRegion,

  2067     checked_jni_GetStringUTFRegion,

  2069     checked_jni_GetPrimitiveArrayCritical,

  2070     checked_jni_ReleasePrimitiveArrayCritical,

  2072     checked_jni_GetStringCritical,

  2073     checked_jni_ReleaseStringCritical,

  2075     checked_jni_NewWeakGlobalRef,

  2076     checked_jni_DeleteWeakGlobalRef,

  2078     checked_jni_ExceptionCheck,

  2080     checked_jni_NewDirectByteBuffer,

  2081     checked_jni_GetDirectBufferAddress,

  2082     checked_jni_GetDirectBufferCapacity,

  2084     // New 1.6 Features

  2086     checked_jni_GetObjectRefType

  2087 };

  2090 // Returns the function structure

  2091 struct JNINativeInterface_* jni_functions_check() {

  2093   unchecked_jni_NativeInterface = jni_functions_nocheck();

  2095   // make sure the last pointer in the checked table is not null, indicating

  2096   // an addition to the JNINativeInterface_ structure without initializing

  2097   // it in the checked table.

  2098   debug_only(int *lastPtr = (int *)((char *)&checked_jni_NativeInterface + \

  2099              sizeof(*unchecked_jni_NativeInterface) - sizeof(char *));)

  2100   assert(*lastPtr != 0,

  2101          "Mismatched JNINativeInterface tables, check for new entries");

  2103   // with -verbose:jni this message will print

  2104   if (PrintJNIResolving) {

  2105     tty->print_cr("Checked JNI functions are being used to " \

  2106                   "validate JNI usage");

  2107   }

  2109   return &checked_jni_NativeInterface;

  2110 }

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

src/share/vm/prims/jniCheck.cpp@ede380e13960

src/share/vm/prims/jniCheck.cpp