jdk8-mips64-public/hotspot: src/share/vm/prims/jniCheck.cpp@710a3c8b516e

     1 /*

     2  * Copyright (c) 2001, 2014, Oracle and/or its affiliates. All rights reserved.

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

     4  *

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

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

     7  * published by the Free Software Foundation.

     8  *

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

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

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

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

    13  * accompanied this code).

    14  *

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

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

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

    18  *

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

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

    21  * questions.

    22  *

    23  */

    25 /*

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

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

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

    29  */

    31 #include "precompiled.hpp"

    32 #include "classfile/systemDictionary.hpp"

    33 #include "classfile/vmSymbols.hpp"

    34 #include "oops/instanceKlass.hpp"

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

    36 #include "oops/symbol.hpp"

    37 #include "prims/jni.h"

    38 #include "prims/jniCheck.hpp"

    39 #include "prims/jvm_misc.hpp"

    40 #include "runtime/fieldDescriptor.hpp"

    41 #include "runtime/handles.hpp"

    42 #include "runtime/interfaceSupport.hpp"

    43 #include "runtime/jfieldIDWorkaround.hpp"

    44 #include "runtime/thread.hpp"

    45 #ifdef TARGET_ARCH_x86

    46 # include "jniTypes_x86.hpp"

    47 #endif

    48 #ifdef TARGET_ARCH_sparc

    49 # include "jniTypes_sparc.hpp"

    50 #endif

    51 #ifdef TARGET_ARCH_zero

    52 # include "jniTypes_zero.hpp"

    53 #endif

    54 #ifdef TARGET_ARCH_arm

    55 # include "jniTypes_arm.hpp"

    56 #endif

    57 #ifdef TARGET_ARCH_ppc

    58 # include "jniTypes_ppc.hpp"

    59 #endif

    60 #ifdef TARGET_ARCH_mips

    61 # include "jniTypes_mips.hpp"

    62 #endif

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

    66 // not in native code.

    68 #define ASSERT_OOPS_ALLOWED                                          \

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

    70            "jniCheck examining oops in bad state.")

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

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

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

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

    77 // NATIVE state.

    79 #define IN_VM(source_code)   {                                         \

    80     {                                                                  \

    81       ThreadInVMfromNative __tiv(thr);                                 \

    82       source_code                                                      \

    83     }                                                                  \

    84   }

    87 /*

    88  * DECLARATIONS

    89  */

    91 static struct JNINativeInterface_ * unchecked_jni_NativeInterface;

    94 /*

    95  * MACRO DEFINITIONS

    96  */

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

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

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

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

   103 // assertions in the wrapper routines might fire

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

   107 #define JNI_ENTRY_CHECKED(result_type, header)                           \

   108 extern "C" {                                                             \

   109   result_type JNICALL header {                                           \

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

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

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

   113       os::abort(true);                                                   \

   114     }                                                                    \

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

   116     if (env != xenv) {                                                   \

   117       NativeReportJNIFatalError(thr, warn_wrong_jnienv);                 \

   118     }                                                                    \

   119     VM_ENTRY_BASE(result_type, header, thr)

   122 #define UNCHECKED() (unchecked_jni_NativeInterface)

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

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

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

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

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

   129   "Get/ReleasePrimitiveArrayCritical or Get/ReleaseStringCritical";

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

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

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

   133 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";

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

   153 // When in VM state:

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

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

   156   thr->print_stack();

   157 }

   159 // When in NATIVE state:

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

   161   IN_VM(

   162     ReportJNIFatalError(thr, msg);

   163   )

   164 }

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

   167   IN_VM(

   168     ReportJNIWarning(thr, msg);

   169   )

   170 }

   175 /*

   176  * SUPPORT FUNCTIONS

   177  */

   179 static inline void

   180 functionEnterCritical(JavaThread* thr)

   181 {

   182   if (thr->has_pending_exception()) {

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

   184   }

   185 }

   187 static inline void

   188 functionEnterCriticalExceptionAllowed(JavaThread* thr)

   189 {

   190 }

   192 static inline void

   193 functionEnter(JavaThread* thr)

   194 {

   195   if (thr->in_critical()) {

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

   197   }

   198   if (thr->has_pending_exception()) {

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

   200   }

   201 }

   203 static inline void

   204 functionEnterExceptionAllowed(JavaThread* thr)

   205 {

   206   if (thr->in_critical()) {

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

   208   }

   209 }

   211 static inline void

   212 functionExit(JNIEnv *env)

   213 {

   214   /* nothing to do at this time */

   215 }

   217 static inline void

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

   219 {

   220   fieldDescriptor fd;

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

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

   224     ReportJNIFatalError(thr, fatal_should_be_static);

   226   /* validate the class being passed */

   227   ASSERT_OOPS_ALLOWED;

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

   230   /* check for proper subclass hierarchy */

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

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

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

   234     ReportJNIFatalError(thr, fatal_wrong_static_field);

   236   /* check for proper field type */

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

   238     ReportJNIFatalError(thr, fatal_static_field_not_found);

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

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

   241     ReportJNIFatalError(thr, fatal_static_field_mismatch);

   242   }

   243 }

   245 static inline void

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

   247 {

   248   fieldDescriptor fd;

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

   251   if (jfieldIDWorkaround::is_static_jfieldID(fid))

   252     ReportJNIFatalError(thr, fatal_should_be_nonstatic);

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

   255   ASSERT_OOPS_ALLOWED;

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

   257   if (!oopObj) {

   258     ReportJNIFatalError(thr, fatal_null_object);

   259   }

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

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

   263     ReportJNIFatalError(thr, fatal_wrong_field);

   264   }

   266   /* make sure the field exists */

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

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

   269     ReportJNIFatalError(thr, fatal_wrong_field);

   271   /* check for proper field type */

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

   273                                                               false, &fd))

   274     ReportJNIFatalError(thr, fatal_instance_field_not_found);

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

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

   278     ReportJNIFatalError(thr, fatal_instance_field_mismatch);

   279   }

   280 }

   282 static inline void

   283 checkString(JavaThread* thr, jstring js)

   284 {

   285   ASSERT_OOPS_ALLOWED;

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

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

   288     ReportJNIFatalError(thr, fatal_non_string);

   289 }

   291 static inline arrayOop

   292 check_is_array(JavaThread* thr, jarray jArray)

   293 {

   294   ASSERT_OOPS_ALLOWED;

   295   arrayOop aOop;

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

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

   299     ReportJNIFatalError(thr, fatal_non_array);

   300   }

   301   return aOop;

   302 }

   304 static inline arrayOop

   305 check_is_primitive_array(JavaThread* thr, jarray jArray) {

   306   arrayOop aOop = check_is_array(thr, jArray);

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

   309      ReportJNIFatalError(thr, fatal_prim_type_array_expected);

   310   }

   311   return aOop;

   312 }

   314 static inline void

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

   316 {

   317   BasicType array_type;

   318   arrayOop aOop;

   320   aOop = check_is_primitive_array(thr, jArray);

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

   322   if (array_type != elementType) {

   323     ReportJNIFatalError(thr, fatal_element_type_mismatch);

   324   }

   325 }

   327 static inline void

   328 check_is_obj_array(JavaThread* thr, jarray jArray) {

   329   arrayOop aOop = check_is_array(thr, jArray);

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

   331     ReportJNIFatalError(thr, fatal_object_array_expected);

   332   }

   333 }

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

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

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

   338       JNIHandles::is_global_handle(obj) ||

   339       JNIHandles::is_weak_global_handle(obj)) {

   340     ASSERT_OOPS_ALLOWED;

   341     return JNIHandles::resolve_external_guard(obj);

   342   }

   343   ReportJNIFatalError(thr, fatal_bad_ref_to_jni);

   344   return NULL;

   345 }

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

   349   ASSERT_OOPS_ALLOWED;

   350   // do the fast jmethodID check first

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

   352   if (moop == NULL) {

   353     ReportJNIFatalError(thr, fatal_wrong_class_or_method);

   354   }

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

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

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

   358     ReportJNIFatalError(thr, fatal_non_weak_method);

   359   }

   360   return moop;

   361 }

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

   365     if (!obj)

   366         return NULL;

   367     ASSERT_OOPS_ALLOWED;

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

   369     if (!oopObj) {

   370       ReportJNIFatalError(thr, fatal_bad_ref_to_jni);

   371     }

   372     return oopObj;

   373 }

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

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

   377 // array descriptors.

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

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

   381   size_t len = strlen(name);

   383   if (len >= 2 &&

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

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

   386     char msg[JVM_MAXPATHLEN];

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

   388     ReportJNIWarning(thr, msg);

   389   }

   390 }

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

   393   ASSERT_OOPS_ALLOWED;

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

   395   if (!mirror) {

   396     ReportJNIFatalError(thr, fatal_received_null_class);

   397   }

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

   400     ReportJNIFatalError(thr, fatal_class_not_a_class);

   401   }

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

   404   // Make allowances for primitive classes ...

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

   406     ReportJNIFatalError(thr, fatal_class_not_a_class);

   407   }

   408   return k;

   409 }

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

   412   ASSERT_OOPS_ALLOWED;

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

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

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

   417     ReportJNIFatalError(thr, fatal_class_not_a_throwable_class);

   418   }

   419 }

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

   422   /* validate the object being passed */

   423   ASSERT_OOPS_ALLOWED;

   424   jniCheck::validate_jmethod_id(thr, method_id);

   425   jniCheck::validate_object(thr, obj);

   426 }

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

   429   /* validate the class being passed */

   430   ASSERT_OOPS_ALLOWED;

   431   jniCheck::validate_jmethod_id(thr, method_id);

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

   433 }

   436 /*

   437  * IMPLEMENTATION OF FUNCTIONS IN CHECKED TABLE

   438  */

   440 JNI_ENTRY_CHECKED(jclass,

   441   checked_jni_DefineClass(JNIEnv *env,

   442                           const char *name,

   443                           jobject loader,

   444                           const jbyte *buf,

   445                           jsize len))

   446     functionEnter(thr);

   447     IN_VM(

   448       jniCheck::validate_object(thr, loader);

   449     )

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

   451     functionExit(env);

   452     return result;

   453 JNI_END

   455 JNI_ENTRY_CHECKED(jclass,

   456   checked_jni_FindClass(JNIEnv *env,

   457                         const char *name))

   458     functionEnter(thr);

   459     IN_VM(

   460       jniCheck::validate_class_descriptor(thr, name);

   461     )

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

   463     functionExit(env);

   464     return result;

   465 JNI_END

   467 JNI_ENTRY_CHECKED(jmethodID,

   468   checked_jni_FromReflectedMethod(JNIEnv *env,

   469                                   jobject method))

   470     functionEnter(thr);

   471     IN_VM(

   472       jniCheck::validate_object(thr, method);

   473     )

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

   475     functionExit(env);

   476     return result;

   477 JNI_END

   479 JNI_ENTRY_CHECKED(jfieldID,

   480   checked_jni_FromReflectedField(JNIEnv *env,

   481                                  jobject field))

   482     functionEnter(thr);

   483     IN_VM(

   484       jniCheck::validate_object(thr, field);

   485     )

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

   487     functionExit(env);

   488     return result;

   489 JNI_END

   491 JNI_ENTRY_CHECKED(jobject,

   492   checked_jni_ToReflectedMethod(JNIEnv *env,

   493                                 jclass cls,

   494                                 jmethodID methodID,

   495                                 jboolean isStatic))

   496     functionEnter(thr);

   497     IN_VM(

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

   499       jniCheck::validate_jmethod_id(thr, methodID);

   500     )

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

   502                                                     isStatic);

   503     functionExit(env);

   504     return result;

   505 JNI_END

   507 JNI_ENTRY_CHECKED(jclass,

   508   checked_jni_GetSuperclass(JNIEnv *env,

   509                             jclass sub))

   510     functionEnter(thr);

   511     IN_VM(

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

   513     )

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

   515     functionExit(env);

   516     return result;

   517 JNI_END

   519 JNI_ENTRY_CHECKED(jboolean,

   520   checked_jni_IsAssignableFrom(JNIEnv *env,

   521                                jclass sub,

   522                                jclass sup))

   523     functionEnter(thr);

   524     IN_VM(

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

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

   527     )

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

   529     functionExit(env);

   530     return result;

   531 JNI_END

   533 JNI_ENTRY_CHECKED(jobject,

   534   checked_jni_ToReflectedField(JNIEnv *env,

   535                                jclass cls,

   536                                jfieldID fieldID,

   537                                jboolean isStatic))

   538     functionEnter(thr);

   539     IN_VM(

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

   541     )

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

   543                                                    isStatic);

   544     functionExit(env);

   545     return result;

   546 JNI_END

   548 JNI_ENTRY_CHECKED(jint,

   549   checked_jni_Throw(JNIEnv *env,

   550                     jthrowable obj))

   551     functionEnter(thr);

   552     IN_VM(

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

   554       if (oopObj == NULL) {

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

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

   557       } else {

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

   559       }

   560     )

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

   562     functionExit(env);

   563     return result;

   564 JNI_END

   566 JNI_ENTRY_CHECKED(jint,

   567   checked_jni_ThrowNew(JNIEnv *env,

   568                        jclass clazz,

   569                        const char *msg))

   570     functionEnter(thr);

   571     IN_VM(

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

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

   574       jniCheck::validate_throwable_klass(thr, k);

   575     )

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

   577     functionExit(env);

   578     return result;

   579 JNI_END

   581 JNI_ENTRY_CHECKED(jthrowable,

   582   checked_jni_ExceptionOccurred(JNIEnv *env))

   583     functionEnterExceptionAllowed(thr);

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

   585     functionExit(env);

   586     return result;

   587 JNI_END

   589 JNI_ENTRY_CHECKED(void,

   590   checked_jni_ExceptionDescribe(JNIEnv *env))

   591     functionEnterExceptionAllowed(thr);

   592     UNCHECKED()->ExceptionDescribe(env);

   593     functionExit(env);

   594 JNI_END

   596 JNI_ENTRY_CHECKED(void,

   597   checked_jni_ExceptionClear(JNIEnv *env))

   598     functionEnterExceptionAllowed(thr);

   599     UNCHECKED()->ExceptionClear(env);

   600     functionExit(env);

   601 JNI_END

   603 JNI_ENTRY_CHECKED(void,

   604   checked_jni_FatalError(JNIEnv *env,

   605                          const char *msg))

   606     functionEnter(thr);

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

   608     functionExit(env);

   609 JNI_END

   611 JNI_ENTRY_CHECKED(jint,

   612   checked_jni_PushLocalFrame(JNIEnv *env,

   613                              jint capacity))

   614     functionEnterExceptionAllowed(thr);

   615     if (capacity < 0)

   616       NativeReportJNIFatalError(thr, "negative capacity");

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

   618     functionExit(env);

   619     return result;

   620 JNI_END

   622 JNI_ENTRY_CHECKED(jobject,

   623   checked_jni_PopLocalFrame(JNIEnv *env,

   624                             jobject result))

   625     functionEnterExceptionAllowed(thr);

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

   627     functionExit(env);

   628     return res;

   629 JNI_END

   631 JNI_ENTRY_CHECKED(jobject,

   632   checked_jni_NewGlobalRef(JNIEnv *env,

   633                            jobject lobj))

   634     functionEnter(thr);

   635     IN_VM(

   636       if (lobj != NULL) {

   637         jniCheck::validate_handle(thr, lobj);

   638       }

   639     )

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

   641     functionExit(env);

   642     return result;

   643 JNI_END

   645 JNI_ENTRY_CHECKED(void,

   646   checked_jni_DeleteGlobalRef(JNIEnv *env,

   647                               jobject gref))

   648     functionEnterExceptionAllowed(thr);

   649     IN_VM(

   650       jniCheck::validate_object(thr, gref);

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

   652         ReportJNIFatalError(thr,

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

   654       }

   655     )

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

   657     functionExit(env);

   658 JNI_END

   660 JNI_ENTRY_CHECKED(void,

   661   checked_jni_DeleteLocalRef(JNIEnv *env,

   662                              jobject obj))

   663     functionEnterExceptionAllowed(thr);

   664     IN_VM(

   665       jniCheck::validate_object(thr, obj);

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

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

   668         ReportJNIFatalError(thr,

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

   670     )

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

   672     functionExit(env);

   673 JNI_END

   675 JNI_ENTRY_CHECKED(jboolean,

   676   checked_jni_IsSameObject(JNIEnv *env,

   677                            jobject obj1,

   678                            jobject obj2))

   679     functionEnterExceptionAllowed(thr);

   680     IN_VM(

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

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

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

   684        */

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

   686         jniCheck::validate_object(thr, obj1);

   687       }

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

   689         jniCheck::validate_object(thr, obj2);

   690       }

   691     )

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

   693     functionExit(env);

   694     return result;

   695 JNI_END

   697 JNI_ENTRY_CHECKED(jobject,

   698   checked_jni_NewLocalRef(JNIEnv *env,

   699                           jobject ref))

   700     functionEnter(thr);

   701     IN_VM(

   702       if (ref != NULL) {

   703         jniCheck::validate_handle(thr, ref);

   704       }

   705     )

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

   707     functionExit(env);

   708     return result;

   709 JNI_END

   711 JNI_ENTRY_CHECKED(jint,

   712   checked_jni_EnsureLocalCapacity(JNIEnv *env,

   713                                   jint capacity))

   714     functionEnter(thr);

   715     if (capacity < 0) {

   716       NativeReportJNIFatalError(thr, "negative capacity");

   717     }

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

   719     functionExit(env);

   720     return result;

   721 JNI_END

   723 JNI_ENTRY_CHECKED(jobject,

   724   checked_jni_AllocObject(JNIEnv *env,

   725                           jclass clazz))

   726     functionEnter(thr);

   727     IN_VM(

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

   729     )

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

   731     functionExit(env);

   732     return result;

   733 JNI_END

   735 JNI_ENTRY_CHECKED(jobject,

   736   checked_jni_NewObject(JNIEnv *env,

   737                         jclass clazz,

   738                         jmethodID methodID,

   739                         ...))

   740     functionEnter(thr);

   741     va_list args;

   742     IN_VM(

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

   744       jniCheck::validate_jmethod_id(thr, methodID);

   745     )

   746     va_start(args, methodID);

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

   748     va_end(args);

   749     functionExit(env);

   750     return result;

   751 JNI_END

   753 JNI_ENTRY_CHECKED(jobject,

   754   checked_jni_NewObjectV(JNIEnv *env,

   755                          jclass clazz,

   756                          jmethodID methodID,

   757                          va_list args))

   758     functionEnter(thr);

   759     IN_VM(

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

   761       jniCheck::validate_jmethod_id(thr, methodID);

   762     )

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

   764     functionExit(env);

   765     return result;

   766 JNI_END

   768 JNI_ENTRY_CHECKED(jobject,

   769   checked_jni_NewObjectA(JNIEnv *env,

   770                          jclass clazz,

   771                          jmethodID methodID,

   772                          const jvalue *args))

   773     functionEnter(thr);

   774     IN_VM(

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

   776       jniCheck::validate_jmethod_id(thr, methodID);

   777     )

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

   779     functionExit(env);

   780     return result;

   781 JNI_END

   783 JNI_ENTRY_CHECKED(jclass,

   784   checked_jni_GetObjectClass(JNIEnv *env,

   785                              jobject obj))

   786     functionEnter(thr);

   787     IN_VM(

   788       jniCheck::validate_object(thr, obj);

   789     )

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

   791     functionExit(env);

   792     return result;

   793 JNI_END

   795 JNI_ENTRY_CHECKED(jboolean,

   796   checked_jni_IsInstanceOf(JNIEnv *env,

   797                            jobject obj,

   798                            jclass clazz))

   799     functionEnter(thr);

   800     IN_VM(

   801       jniCheck::validate_object(thr, obj);

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

   803     )

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

   805     functionExit(env);

   806     return result;

   807 JNI_END

   809 JNI_ENTRY_CHECKED(jmethodID,

   810   checked_jni_GetMethodID(JNIEnv *env,

   811                           jclass clazz,

   812                           const char *name,

   813                           const char *sig))

   814     functionEnter(thr);

   815     IN_VM(

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

   817     )

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

   819     functionExit(env);

   820     return result;

   821 JNI_END

   823 #define WRAPPER_CallMethod(ResultType, Result) \

   824 JNI_ENTRY_CHECKED(ResultType,  \

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

   826                                    jobject obj, \

   827                                    jmethodID methodID, \

   828                                    ...)) \

   829     functionEnter(thr); \

   830     va_list args; \

   831     IN_VM( \

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

   833     ) \

   834     va_start(args,methodID); \

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

   836                                                           args); \

   837     va_end(args); \

   838     functionExit(env); \

   839     return result; \

   840 JNI_END \

   841 \

   842 JNI_ENTRY_CHECKED(ResultType,  \

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

   844                                     jobject obj, \

   845                                     jmethodID methodID, \

   846                                     va_list args)) \

   847     functionEnter(thr); \

   848     IN_VM(\

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

   850     ) \

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

   852                                                            args); \

   853     functionExit(env); \

   854     return result; \

   855 JNI_END \

   856 \

   857 JNI_ENTRY_CHECKED(ResultType,  \

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

   859                                     jobject obj, \

   860                                     jmethodID methodID, \

   861                                     const jvalue * args)) \

   862     functionEnter(thr); \

   863     IN_VM( \

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

   865     ) \

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

   867                                                            args); \

   868     functionExit(env); \

   869     return result; \

   870 JNI_END

   872 WRAPPER_CallMethod(jobject,Object)

   873 WRAPPER_CallMethod(jboolean,Boolean)

   874 WRAPPER_CallMethod(jbyte,Byte)

   875 WRAPPER_CallMethod(jshort,Short)

   876 WRAPPER_CallMethod(jchar,Char)

   877 WRAPPER_CallMethod(jint,Int)

   878 WRAPPER_CallMethod(jlong,Long)

   879 WRAPPER_CallMethod(jfloat,Float)

   880 WRAPPER_CallMethod(jdouble,Double)

   882 JNI_ENTRY_CHECKED(void,

   883   checked_jni_CallVoidMethod(JNIEnv *env, \

   884                              jobject obj, \

   885                              jmethodID methodID, \

   886                              ...))

   887     functionEnter(thr);

   888     va_list args;

   889     IN_VM(

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

   891     )

   892     va_start(args,methodID);

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

   894     va_end(args);

   895     functionExit(env);

   896 JNI_END

   898 JNI_ENTRY_CHECKED(void,

   899   checked_jni_CallVoidMethodV(JNIEnv *env,

   900                               jobject obj,

   901                               jmethodID methodID,

   902                               va_list args))

   903     functionEnter(thr);

   904     IN_VM(

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

   906     )

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

   908     functionExit(env);

   909 JNI_END

   911 JNI_ENTRY_CHECKED(void,

   912   checked_jni_CallVoidMethodA(JNIEnv *env,

   913                               jobject obj,

   914                               jmethodID methodID,

   915                               const jvalue * args))

   916     functionEnter(thr);

   917     IN_VM(

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

   919     )

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

   921     functionExit(env);

   922 JNI_END

   924 #define WRAPPER_CallNonvirtualMethod(ResultType, Result) \

   925 JNI_ENTRY_CHECKED(ResultType,  \

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

   927                                              jobject obj, \

   928                                              jclass clazz, \

   929                                              jmethodID methodID, \

   930                                              ...)) \

   931     functionEnter(thr); \

   932     va_list args; \

   933     IN_VM( \

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

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

   936     ) \

   937     va_start(args,methodID); \

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

   939                                                                      obj, \

   940                                                                      clazz, \

   941                                                                      methodID,\

   942                                                                      args); \

   943     va_end(args); \

   944     functionExit(env); \

   945     return result; \

   946 JNI_END \

   947 \

   948 JNI_ENTRY_CHECKED(ResultType,  \

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

   950                                               jobject obj, \

   951                                               jclass clazz, \

   952                                               jmethodID methodID, \

   953                                               va_list args)) \

   954     functionEnter(thr); \

   955     IN_VM( \

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

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

   958     ) \

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

   960                                                                      obj, \

   961                                                                      clazz, \

   962                                                                      methodID,\

   963                                                                      args); \

   964     functionExit(env); \

   965     return result; \

   966 JNI_END \

   967 \

   968 JNI_ENTRY_CHECKED(ResultType,  \

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

   970                                               jobject obj, \

   971                                               jclass clazz, \

   972                                               jmethodID methodID, \

   973                                               const jvalue * args)) \

   974     functionEnter(thr); \

   975     IN_VM( \

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

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

   978     ) \

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

   980                                                                      obj, \

   981                                                                      clazz, \

   982                                                                      methodID,\

   983                                                                      args); \

   984     functionExit(env); \

   985     return result; \

   986 JNI_END

   988 WRAPPER_CallNonvirtualMethod(jobject,Object)

   989 WRAPPER_CallNonvirtualMethod(jboolean,Boolean)

   990 WRAPPER_CallNonvirtualMethod(jbyte,Byte)

   991 WRAPPER_CallNonvirtualMethod(jshort,Short)

   992 WRAPPER_CallNonvirtualMethod(jchar,Char)

   993 WRAPPER_CallNonvirtualMethod(jint,Int)

   994 WRAPPER_CallNonvirtualMethod(jlong,Long)

   995 WRAPPER_CallNonvirtualMethod(jfloat,Float)

   996 WRAPPER_CallNonvirtualMethod(jdouble,Double)

   998 JNI_ENTRY_CHECKED(void,

   999   checked_jni_CallNonvirtualVoidMethod(JNIEnv *env,

  1000                                        jobject obj,

  1001                                        jclass clazz,

  1002                                        jmethodID methodID,

  1003                                        ...))

  1004     functionEnter(thr);

  1005     va_list args;

  1006     IN_VM(

  1007       jniCheck::validate_call_object(thr, obj, methodID);

  1008       jniCheck::validate_call_class(thr, clazz, methodID);

  1009     )

  1010     va_start(args,methodID);

  1011     UNCHECKED()->CallNonvirtualVoidMethodV(env,obj,clazz,methodID,args);

  1012     va_end(args);

  1013     functionExit(env);

  1014 JNI_END

  1016 JNI_ENTRY_CHECKED(void,

  1017   checked_jni_CallNonvirtualVoidMethodV(JNIEnv *env,

  1018                                         jobject obj,

  1019                                         jclass clazz,

  1020                                         jmethodID methodID,

  1021                                         va_list args))

  1022     functionEnter(thr);

  1023     IN_VM(

  1024       jniCheck::validate_call_object(thr, obj, methodID);

  1025       jniCheck::validate_call_class(thr, clazz, methodID);

  1026     )

  1027     UNCHECKED()->CallNonvirtualVoidMethodV(env,obj,clazz,methodID,args);

  1028     functionExit(env);

  1029 JNI_END

  1031 JNI_ENTRY_CHECKED(void,

  1032   checked_jni_CallNonvirtualVoidMethodA(JNIEnv *env,

  1033                                         jobject obj,

  1034                                         jclass clazz,

  1035                                         jmethodID methodID,

  1036                                         const jvalue * args))

  1037     functionEnter(thr);

  1038     IN_VM(

  1039       jniCheck::validate_call_object(thr, obj, methodID);

  1040       jniCheck::validate_call_class(thr, clazz, methodID);

  1041     )

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

  1043     functionExit(env);

  1044 JNI_END

  1046 JNI_ENTRY_CHECKED(jfieldID,

  1047   checked_jni_GetFieldID(JNIEnv *env,

  1048                          jclass clazz,

  1049                          const char *name,

  1050                          const char *sig))

  1051     functionEnter(thr);

  1052     IN_VM(

  1053       jniCheck::validate_class(thr, clazz, false);

  1054     )

  1055     jfieldID result = UNCHECKED()->GetFieldID(env,clazz,name,sig);

  1056     functionExit(env);

  1057     return result;

  1058 JNI_END

  1060 #define WRAPPER_GetField(ReturnType,Result,FieldType) \

  1061 JNI_ENTRY_CHECKED(ReturnType,  \

  1062   checked_jni_Get##Result##Field(JNIEnv *env, \

  1063                                  jobject obj, \

  1064                                  jfieldID fieldID)) \

  1065     functionEnter(thr); \

  1066     IN_VM( \

  1067       checkInstanceFieldID(thr, fieldID, obj, FieldType); \

  1068     ) \

  1069     ReturnType result = UNCHECKED()->Get##Result##Field(env,obj,fieldID); \

  1070     functionExit(env); \

  1071     return result; \

  1072 JNI_END

  1074 WRAPPER_GetField(jobject,  Object,  T_OBJECT)

  1075 WRAPPER_GetField(jboolean, Boolean, T_BOOLEAN)

  1076 WRAPPER_GetField(jbyte,    Byte,    T_BYTE)

  1077 WRAPPER_GetField(jshort,   Short,   T_SHORT)

  1078 WRAPPER_GetField(jchar,    Char,    T_CHAR)

  1079 WRAPPER_GetField(jint,     Int,     T_INT)

  1080 WRAPPER_GetField(jlong,    Long,    T_LONG)

  1081 WRAPPER_GetField(jfloat,   Float,   T_FLOAT)

  1082 WRAPPER_GetField(jdouble,  Double,  T_DOUBLE)

  1084 #define WRAPPER_SetField(ValueType,Result,FieldType) \

  1085 JNI_ENTRY_CHECKED(void,  \

  1086   checked_jni_Set##Result##Field(JNIEnv *env, \

  1087                                  jobject obj, \

  1088                                  jfieldID fieldID, \

  1089                                  ValueType val)) \

  1090     functionEnter(thr); \

  1091     IN_VM( \

  1092       checkInstanceFieldID(thr, fieldID, obj, FieldType); \

  1093     ) \

  1094     UNCHECKED()->Set##Result##Field(env,obj,fieldID,val); \

  1095     functionExit(env); \

  1096 JNI_END

  1098 WRAPPER_SetField(jobject,  Object,  T_OBJECT)

  1099 WRAPPER_SetField(jboolean, Boolean, T_BOOLEAN)

  1100 WRAPPER_SetField(jbyte,    Byte,    T_BYTE)

  1101 WRAPPER_SetField(jshort,   Short,   T_SHORT)

  1102 WRAPPER_SetField(jchar,    Char,    T_CHAR)

  1103 WRAPPER_SetField(jint,     Int,     T_INT)

  1104 WRAPPER_SetField(jlong,    Long,    T_LONG)

  1105 WRAPPER_SetField(jfloat,   Float,   T_FLOAT)

  1106 WRAPPER_SetField(jdouble,  Double,  T_DOUBLE)

  1109 JNI_ENTRY_CHECKED(jmethodID,

  1110   checked_jni_GetStaticMethodID(JNIEnv *env,

  1111                                 jclass clazz,

  1112                                 const char *name,

  1113                                 const char *sig))

  1114     functionEnter(thr);

  1115     IN_VM(

  1116       jniCheck::validate_class(thr, clazz, false);

  1117     )

  1118     jmethodID result = UNCHECKED()->GetStaticMethodID(env,clazz,name,sig);

  1119     functionExit(env);

  1120     return result;

  1121 JNI_END

  1123 #define WRAPPER_CallStaticMethod(ReturnType,Result) \

  1124 JNI_ENTRY_CHECKED(ReturnType,  \

  1125   checked_jni_CallStatic##Result##Method(JNIEnv *env, \

  1126                                          jclass clazz, \

  1127                                          jmethodID methodID, \

  1128                                          ...)) \

  1129     functionEnter(thr); \

  1130     va_list args; \

  1131     IN_VM( \

  1132       jniCheck::validate_jmethod_id(thr, methodID); \

  1133       jniCheck::validate_class(thr, clazz, false); \

  1134     ) \

  1135     va_start(args,methodID); \

  1136     ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \

  1137                                                                  clazz, \

  1138                                                                  methodID, \

  1139                                                                  args); \

  1140     va_end(args); \

  1141     functionExit(env); \

  1142     return result; \

  1143 JNI_END \

  1144 \

  1145 JNI_ENTRY_CHECKED(ReturnType,  \

  1146   checked_jni_CallStatic##Result##MethodV(JNIEnv *env, \

  1147                                           jclass clazz, \

  1148                                           jmethodID methodID,\

  1149                                           va_list args)) \

  1150     functionEnter(thr); \

  1151     IN_VM( \

  1152       jniCheck::validate_jmethod_id(thr, methodID); \

  1153       jniCheck::validate_class(thr, clazz, false); \

  1154     ) \

  1155     ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \

  1156                                                                  clazz, \

  1157                                                                  methodID, \

  1158                                                                  args); \

  1159     functionExit(env); \

  1160     return result; \

  1161 JNI_END \

  1162 \

  1163 JNI_ENTRY_CHECKED(ReturnType,  \

  1164   checked_jni_CallStatic##Result##MethodA(JNIEnv *env, \

  1165                                           jclass clazz, \

  1166                                           jmethodID methodID, \

  1167                                           const jvalue *args)) \

  1168     functionEnter(thr); \

  1169     IN_VM( \

  1170       jniCheck::validate_jmethod_id(thr, methodID); \

  1171       jniCheck::validate_class(thr, clazz, false); \

  1172     ) \

  1173     ReturnType result = UNCHECKED()->CallStatic##Result##MethodA(env, \

  1174                                                                  clazz, \

  1175                                                                  methodID, \

  1176                                                                  args); \

  1177     functionExit(env); \

  1178     return result; \

  1179 JNI_END

  1181 WRAPPER_CallStaticMethod(jobject,Object)

  1182 WRAPPER_CallStaticMethod(jboolean,Boolean)

  1183 WRAPPER_CallStaticMethod(jbyte,Byte)

  1184 WRAPPER_CallStaticMethod(jshort,Short)

  1185 WRAPPER_CallStaticMethod(jchar,Char)

  1186 WRAPPER_CallStaticMethod(jint,Int)

  1187 WRAPPER_CallStaticMethod(jlong,Long)

  1188 WRAPPER_CallStaticMethod(jfloat,Float)

  1189 WRAPPER_CallStaticMethod(jdouble,Double)

  1191 JNI_ENTRY_CHECKED(void,

  1192   checked_jni_CallStaticVoidMethod(JNIEnv *env,

  1193                                    jclass cls,

  1194                                    jmethodID methodID,

  1195                                    ...))

  1196     functionEnter(thr);

  1197     va_list args;

  1198     IN_VM(

  1199       jniCheck::validate_jmethod_id(thr, methodID);

  1200       jniCheck::validate_class(thr, cls, false);

  1201     )

  1202     va_start(args,methodID);

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

  1204     va_end(args);

  1205     functionExit(env);

  1206 JNI_END

  1208 JNI_ENTRY_CHECKED(void,

  1209   checked_jni_CallStaticVoidMethodV(JNIEnv *env,

  1210                                     jclass cls,

  1211                                     jmethodID methodID,

  1212                                     va_list args))

  1213     functionEnter(thr);

  1214     IN_VM(

  1215       jniCheck::validate_jmethod_id(thr, methodID);

  1216       jniCheck::validate_class(thr, cls, false);

  1217     )

  1218     UNCHECKED()->CallStaticVoidMethodV(env,cls,methodID,args);

  1219     functionExit(env);

  1220 JNI_END

  1222 JNI_ENTRY_CHECKED(void,

  1223   checked_jni_CallStaticVoidMethodA(JNIEnv *env,

  1224                                     jclass cls,

  1225                                     jmethodID methodID,

  1226                                     const jvalue * args))

  1227     functionEnter(thr);

  1228     IN_VM(

  1229       jniCheck::validate_jmethod_id(thr, methodID);

  1230       jniCheck::validate_class(thr, cls, false);

  1231     )

  1232     UNCHECKED()->CallStaticVoidMethodA(env,cls,methodID,args);

  1233     functionExit(env);

  1234 JNI_END

  1236 JNI_ENTRY_CHECKED(jfieldID,

  1237   checked_jni_GetStaticFieldID(JNIEnv *env,

  1238                                jclass clazz,

  1239                                const char *name,

  1240                                const char *sig))

  1241     functionEnter(thr);

  1242     IN_VM(

  1243       jniCheck::validate_class(thr, clazz, false);

  1244     )

  1245     jfieldID result = UNCHECKED()->GetStaticFieldID(env,clazz,name,sig);

  1246     functionExit(env);

  1247     return result;

  1248 JNI_END

  1250 #define WRAPPER_GetStaticField(ReturnType,Result,FieldType) \

  1251 JNI_ENTRY_CHECKED(ReturnType,  \

  1252   checked_jni_GetStatic##Result##Field(JNIEnv *env, \

  1253                                        jclass clazz, \

  1254                                        jfieldID fieldID)) \

  1255     functionEnter(thr); \

  1256     IN_VM( \

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

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

  1259     ) \

  1260     ReturnType result = UNCHECKED()->GetStatic##Result##Field(env, \

  1261                                                               clazz, \

  1262                                                               fieldID); \

  1263     functionExit(env); \

  1264     return result; \

  1265 JNI_END

  1267 WRAPPER_GetStaticField(jobject,  Object,  T_OBJECT)

  1268 WRAPPER_GetStaticField(jboolean, Boolean, T_BOOLEAN)

  1269 WRAPPER_GetStaticField(jbyte,    Byte,    T_BYTE)

  1270 WRAPPER_GetStaticField(jshort,   Short,   T_SHORT)

  1271 WRAPPER_GetStaticField(jchar,    Char,    T_CHAR)

  1272 WRAPPER_GetStaticField(jint,     Int,     T_INT)

  1273 WRAPPER_GetStaticField(jlong,    Long,    T_LONG)

  1274 WRAPPER_GetStaticField(jfloat,   Float,   T_FLOAT)

  1275 WRAPPER_GetStaticField(jdouble,  Double,  T_DOUBLE)

  1277 #define WRAPPER_SetStaticField(ValueType,Result,FieldType) \

  1278 JNI_ENTRY_CHECKED(void,  \

  1279   checked_jni_SetStatic##Result##Field(JNIEnv *env, \

  1280                                        jclass clazz, \

  1281                                        jfieldID fieldID, \

  1282                                        ValueType value)) \

  1283     functionEnter(thr); \

  1284     IN_VM( \

  1285       jniCheck::validate_class(thr, clazz, false); \

  1286       checkStaticFieldID(thr, fieldID, clazz, FieldType); \

  1287     ) \

  1288     UNCHECKED()->SetStatic##Result##Field(env,clazz,fieldID,value); \

  1289     functionExit(env); \

  1290 JNI_END

  1292 WRAPPER_SetStaticField(jobject,  Object,  T_OBJECT)

  1293 WRAPPER_SetStaticField(jboolean, Boolean, T_BOOLEAN)

  1294 WRAPPER_SetStaticField(jbyte,    Byte,    T_BYTE)

  1295 WRAPPER_SetStaticField(jshort,   Short,   T_SHORT)

  1296 WRAPPER_SetStaticField(jchar,    Char,    T_CHAR)

  1297 WRAPPER_SetStaticField(jint,     Int,     T_INT)

  1298 WRAPPER_SetStaticField(jlong,    Long,    T_LONG)

  1299 WRAPPER_SetStaticField(jfloat,   Float,   T_FLOAT)

  1300 WRAPPER_SetStaticField(jdouble,  Double,  T_DOUBLE)

  1303 JNI_ENTRY_CHECKED(jstring,

  1304   checked_jni_NewString(JNIEnv *env,

  1305                         const jchar *unicode,

  1306                         jsize len))

  1307     functionEnter(thr);

  1308     jstring result = UNCHECKED()->NewString(env,unicode,len);

  1309     functionExit(env);

  1310     return result;

  1311 JNI_END

  1313 JNI_ENTRY_CHECKED(jsize,

  1314   checked_jni_GetStringLength(JNIEnv *env,

  1315                               jstring str))

  1316     functionEnter(thr);

  1317     IN_VM(

  1318       checkString(thr, str);

  1319     )

  1320     jsize result = UNCHECKED()->GetStringLength(env,str);

  1321     functionExit(env);

  1322     return result;

  1323 JNI_END

  1325 // Arbitrary (but well-known) tag

  1326 const jint STRING_TAG = 0x47114711;

  1328 JNI_ENTRY_CHECKED(const jchar *,

  1329   checked_jni_GetStringChars(JNIEnv *env,

  1330                              jstring str,

  1331                              jboolean *isCopy))

  1332     functionEnter(thr);

  1333     IN_VM(

  1334       checkString(thr, str);

  1335     )

  1336     jchar* newResult = NULL;

  1337     const jchar *result = UNCHECKED()->GetStringChars(env,str,isCopy);

  1338     assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringChars didn't return a copy as expected");

  1339     if (result != NULL) {

  1340       size_t len = UNCHECKED()->GetStringLength(env,str) + 1; // + 1 for NULL termination

  1341       jint* tagLocation = (jint*) AllocateHeap(len * sizeof(jchar) + sizeof(jint), mtInternal);

  1342       *tagLocation = STRING_TAG;

  1343       newResult = (jchar*) (tagLocation + 1);

  1344       memcpy(newResult, result, len * sizeof(jchar));

  1345       // Avoiding call to UNCHECKED()->ReleaseStringChars() since that will fire unexpected dtrace probes

  1346       // Note that the dtrace arguments for the allocated memory will not match up with this solution.

  1347       FreeHeap((char*)result);

  1348     }

  1349     functionExit(env);

  1350     return newResult;

  1351 JNI_END

  1353 JNI_ENTRY_CHECKED(void,

  1354   checked_jni_ReleaseStringChars(JNIEnv *env,

  1355                                  jstring str,

  1356                                  const jchar *chars))

  1357     functionEnterExceptionAllowed(thr);

  1358     IN_VM(

  1359       checkString(thr, str);

  1360     )

  1361     if (chars == NULL) {

  1362        // still do the unchecked call to allow dtrace probes

  1363        UNCHECKED()->ReleaseStringChars(env,str,chars);

  1364     }

  1365     else {

  1366        jint* tagLocation = ((jint*) chars) - 1;

  1367        if (*tagLocation != STRING_TAG) {

  1368           NativeReportJNIFatalError(thr, "ReleaseStringChars called on something not allocated by GetStringChars");

  1369        }

  1370        UNCHECKED()->ReleaseStringChars(env,str,(const jchar*)tagLocation);

  1371     }

  1372     functionExit(env);

  1373 JNI_END

  1375 JNI_ENTRY_CHECKED(jstring,

  1376   checked_jni_NewStringUTF(JNIEnv *env,

  1377                            const char *utf))

  1378     functionEnter(thr);

  1379     jstring result = UNCHECKED()->NewStringUTF(env,utf);

  1380     functionExit(env);

  1381     return result;

  1382 JNI_END

  1384 JNI_ENTRY_CHECKED(jsize,

  1385   checked_jni_GetStringUTFLength(JNIEnv *env,

  1386                                  jstring str))

  1387     functionEnter(thr);

  1388     IN_VM(

  1389       checkString(thr, str);

  1390     )

  1391     jsize result = UNCHECKED()->GetStringUTFLength(env,str);

  1392     functionExit(env);

  1393     return result;

  1394 JNI_END

  1396 // Arbitrary (but well-known) tag - different than GetStringChars

  1397 const jint STRING_UTF_TAG = 0x48124812;

  1399 JNI_ENTRY_CHECKED(const char *,

  1400   checked_jni_GetStringUTFChars(JNIEnv *env,

  1401                                 jstring str,

  1402                                 jboolean *isCopy))

  1403     functionEnter(thr);

  1404     IN_VM(

  1405       checkString(thr, str);

  1406     )

  1407     char* newResult = NULL;

  1408     const char *result = UNCHECKED()->GetStringUTFChars(env,str,isCopy);

  1409     assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringUTFChars didn't return a copy as expected");

  1410     if (result != NULL) {

  1411       size_t len = strlen(result) + 1; // + 1 for NULL termination

  1412       jint* tagLocation = (jint*) AllocateHeap(len + sizeof(jint), mtInternal);

  1413       *tagLocation = STRING_UTF_TAG;

  1414       newResult = (char*) (tagLocation + 1);

  1415       strcpy(newResult, result);

  1416       // Avoiding call to UNCHECKED()->ReleaseStringUTFChars() since that will fire unexpected dtrace probes

  1417       // Note that the dtrace arguments for the allocated memory will not match up with this solution.

  1418       FreeHeap((char*)result, mtInternal);

  1419     }

  1420     functionExit(env);

  1421     return newResult;

  1422 JNI_END

  1424 JNI_ENTRY_CHECKED(void,

  1425   checked_jni_ReleaseStringUTFChars(JNIEnv *env,

  1426                                     jstring str,

  1427                                     const char* chars))

  1428     functionEnterExceptionAllowed(thr);

  1429     IN_VM(

  1430       checkString(thr, str);

  1431     )

  1432     if (chars == NULL) {

  1433        // still do the unchecked call to allow dtrace probes

  1434        UNCHECKED()->ReleaseStringUTFChars(env,str,chars);

  1435     }

  1436     else {

  1437        jint* tagLocation = ((jint*) chars) - 1;

  1438        if (*tagLocation != STRING_UTF_TAG) {

  1439           NativeReportJNIFatalError(thr, "ReleaseStringUTFChars called on something not allocated by GetStringUTFChars");

  1440        }

  1441        UNCHECKED()->ReleaseStringUTFChars(env,str,(const char*)tagLocation);

  1442     }

  1443     functionExit(env);

  1444 JNI_END

  1446 JNI_ENTRY_CHECKED(jsize,

  1447   checked_jni_GetArrayLength(JNIEnv *env,

  1448                              jarray array))

  1449     functionEnter(thr);

  1450     IN_VM(

  1451       check_is_array(thr, array);

  1452     )

  1453     jsize result = UNCHECKED()->GetArrayLength(env,array);

  1454     functionExit(env);

  1455     return result;

  1456 JNI_END

  1458 JNI_ENTRY_CHECKED(jobjectArray,

  1459   checked_jni_NewObjectArray(JNIEnv *env,

  1460                              jsize len,

  1461                              jclass clazz,

  1462                              jobject init))

  1463     functionEnter(thr);

  1464     jobjectArray result = UNCHECKED()->NewObjectArray(env,len,clazz,init);

  1465     functionExit(env);

  1466     return result;

  1467 JNI_END

  1469 JNI_ENTRY_CHECKED(jobject,

  1470   checked_jni_GetObjectArrayElement(JNIEnv *env,

  1471                                     jobjectArray array,

  1472                                     jsize index))

  1473     functionEnter(thr);

  1474     IN_VM(

  1475       check_is_obj_array(thr, array);

  1476     )

  1477     jobject result = UNCHECKED()->GetObjectArrayElement(env,array,index);

  1478     functionExit(env);

  1479     return result;

  1480 JNI_END

  1482 JNI_ENTRY_CHECKED(void,

  1483   checked_jni_SetObjectArrayElement(JNIEnv *env,

  1484                                     jobjectArray array,

  1485                                     jsize index,

  1486                                     jobject val))

  1487     functionEnter(thr);

  1488     IN_VM(

  1489       check_is_obj_array(thr, array);

  1490     )

  1491     UNCHECKED()->SetObjectArrayElement(env,array,index,val);

  1492     functionExit(env);

  1493 JNI_END

  1495 #define WRAPPER_NewScalarArray(Return, Result) \

  1496 JNI_ENTRY_CHECKED(Return, \

  1497   checked_jni_New##Result##Array(JNIEnv *env, \

  1498                                  jsize len)) \

  1499     functionEnter(thr); \

  1500     Return result = UNCHECKED()->New##Result##Array(env,len); \

  1501     functionExit(env); \

  1502     return (Return) result; \

  1503 JNI_END

  1505 WRAPPER_NewScalarArray(jbooleanArray, Boolean)

  1506 WRAPPER_NewScalarArray(jbyteArray, Byte)

  1507 WRAPPER_NewScalarArray(jshortArray, Short)

  1508 WRAPPER_NewScalarArray(jcharArray, Char)

  1509 WRAPPER_NewScalarArray(jintArray, Int)

  1510 WRAPPER_NewScalarArray(jlongArray, Long)

  1511 WRAPPER_NewScalarArray(jfloatArray, Float)

  1512 WRAPPER_NewScalarArray(jdoubleArray, Double)

  1514 #define WRAPPER_GetScalarArrayElements(ElementTag,ElementType,Result) \

  1515 JNI_ENTRY_CHECKED(ElementType *,  \

  1516   checked_jni_Get##Result##ArrayElements(JNIEnv *env, \

  1517                                          ElementType##Array array, \

  1518                                          jboolean *isCopy)) \

  1519     functionEnter(thr); \

  1520     IN_VM( \

  1521       check_primitive_array_type(thr, array, ElementTag); \

  1522     ) \

  1523     ElementType *result = UNCHECKED()->Get##Result##ArrayElements(env, \

  1524                                                                   array, \

  1525                                                                   isCopy); \

  1526     functionExit(env); \

  1527     return result; \

  1528 JNI_END

  1530 WRAPPER_GetScalarArrayElements(T_BOOLEAN, jboolean, Boolean)

  1531 WRAPPER_GetScalarArrayElements(T_BYTE,    jbyte,    Byte)

  1532 WRAPPER_GetScalarArrayElements(T_SHORT,   jshort,   Short)

  1533 WRAPPER_GetScalarArrayElements(T_CHAR,    jchar,    Char)

  1534 WRAPPER_GetScalarArrayElements(T_INT,     jint,     Int)

  1535 WRAPPER_GetScalarArrayElements(T_LONG,    jlong,    Long)

  1536 WRAPPER_GetScalarArrayElements(T_FLOAT,   jfloat,   Float)

  1537 WRAPPER_GetScalarArrayElements(T_DOUBLE,  jdouble,  Double)

  1539 #define WRAPPER_ReleaseScalarArrayElements(ElementTag,ElementType,Result,Tag) \

  1540 JNI_ENTRY_CHECKED(void,  \

  1541   checked_jni_Release##Result##ArrayElements(JNIEnv *env, \

  1542                                              ElementType##Array array, \

  1543                                              ElementType *elems, \

  1544                                              jint mode)) \

  1545     functionEnterExceptionAllowed(thr); \

  1546     IN_VM( \

  1547       check_primitive_array_type(thr, array, ElementTag); \

  1548       ASSERT_OOPS_ALLOWED; \

  1549       typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \

  1550       /* cannot check validity of copy, unless every request is logged by

  1551        * checking code.  Implementation of this check is deferred until a

  1552        * subsequent release.

  1553        */ \

  1554     ) \

  1555     UNCHECKED()->Release##Result##ArrayElements(env,array,elems,mode); \

  1556     functionExit(env); \

  1557 JNI_END

  1559 WRAPPER_ReleaseScalarArrayElements(T_BOOLEAN,jboolean, Boolean, bool)

  1560 WRAPPER_ReleaseScalarArrayElements(T_BYTE,   jbyte,    Byte,    byte)

  1561 WRAPPER_ReleaseScalarArrayElements(T_SHORT,  jshort,   Short,   short)

  1562 WRAPPER_ReleaseScalarArrayElements(T_CHAR,   jchar,    Char,    char)

  1563 WRAPPER_ReleaseScalarArrayElements(T_INT,    jint,     Int,     int)

  1564 WRAPPER_ReleaseScalarArrayElements(T_LONG,   jlong,    Long,    long)

  1565 WRAPPER_ReleaseScalarArrayElements(T_FLOAT,  jfloat,   Float,   float)

  1566 WRAPPER_ReleaseScalarArrayElements(T_DOUBLE, jdouble,  Double,  double)

  1568 #define WRAPPER_GetScalarArrayRegion(ElementTag,ElementType,Result) \

  1569 JNI_ENTRY_CHECKED(void,  \

  1570   checked_jni_Get##Result##ArrayRegion(JNIEnv *env, \

  1571                                        ElementType##Array array, \

  1572                                        jsize start, \

  1573                                        jsize len, \

  1574                                        ElementType *buf)) \

  1575     functionEnter(thr); \

  1576     IN_VM( \

  1577       check_primitive_array_type(thr, array, ElementTag); \

  1578     ) \

  1579     UNCHECKED()->Get##Result##ArrayRegion(env,array,start,len,buf); \

  1580     functionExit(env); \

  1581 JNI_END

  1583 WRAPPER_GetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean)

  1584 WRAPPER_GetScalarArrayRegion(T_BYTE,    jbyte,    Byte)

  1585 WRAPPER_GetScalarArrayRegion(T_SHORT,   jshort,   Short)

  1586 WRAPPER_GetScalarArrayRegion(T_CHAR,    jchar,    Char)

  1587 WRAPPER_GetScalarArrayRegion(T_INT,     jint,     Int)

  1588 WRAPPER_GetScalarArrayRegion(T_LONG,    jlong,    Long)

  1589 WRAPPER_GetScalarArrayRegion(T_FLOAT,   jfloat,   Float)

  1590 WRAPPER_GetScalarArrayRegion(T_DOUBLE,  jdouble,  Double)

  1592 #define WRAPPER_SetScalarArrayRegion(ElementTag,ElementType,Result) \

  1593 JNI_ENTRY_CHECKED(void,  \

  1594   checked_jni_Set##Result##ArrayRegion(JNIEnv *env, \

  1595                                        ElementType##Array array, \

  1596                                        jsize start, \

  1597                                        jsize len, \

  1598                                        const ElementType *buf)) \

  1599     functionEnter(thr); \

  1600     IN_VM( \

  1601       check_primitive_array_type(thr, array, ElementTag); \

  1602     ) \

  1603     UNCHECKED()->Set##Result##ArrayRegion(env,array,start,len,buf); \

  1604     functionExit(env); \

  1605 JNI_END

  1607 WRAPPER_SetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean)

  1608 WRAPPER_SetScalarArrayRegion(T_BYTE,    jbyte,    Byte)

  1609 WRAPPER_SetScalarArrayRegion(T_SHORT,   jshort,   Short)

  1610 WRAPPER_SetScalarArrayRegion(T_CHAR,    jchar,    Char)

  1611 WRAPPER_SetScalarArrayRegion(T_INT,     jint,     Int)

  1612 WRAPPER_SetScalarArrayRegion(T_LONG,    jlong,    Long)

  1613 WRAPPER_SetScalarArrayRegion(T_FLOAT,   jfloat,   Float)

  1614 WRAPPER_SetScalarArrayRegion(T_DOUBLE,  jdouble,  Double)

  1616 JNI_ENTRY_CHECKED(jint,

  1617   checked_jni_RegisterNatives(JNIEnv *env,

  1618                               jclass clazz,

  1619                               const JNINativeMethod *methods,

  1620                               jint nMethods))

  1621     functionEnter(thr);

  1622     jint result = UNCHECKED()->RegisterNatives(env,clazz,methods,nMethods);

  1623     functionExit(env);

  1624     return result;

  1625 JNI_END

  1627 JNI_ENTRY_CHECKED(jint,

  1628   checked_jni_UnregisterNatives(JNIEnv *env,

  1629                                 jclass clazz))

  1630     functionEnter(thr);

  1631     jint result = UNCHECKED()->UnregisterNatives(env,clazz);

  1632     functionExit(env);

  1633     return result;

  1634 JNI_END

  1636 JNI_ENTRY_CHECKED(jint,

  1637   checked_jni_MonitorEnter(JNIEnv *env,

  1638                            jobject obj))

  1639     functionEnter(thr);

  1640     IN_VM(

  1641       jniCheck::validate_object(thr, obj);

  1642     )

  1643     jint result = UNCHECKED()->MonitorEnter(env,obj);

  1644     functionExit(env);

  1645     return result;

  1646 JNI_END

  1648 JNI_ENTRY_CHECKED(jint,

  1649   checked_jni_MonitorExit(JNIEnv *env,

  1650                           jobject obj))

  1651     functionEnterExceptionAllowed(thr);

  1652     IN_VM(

  1653       jniCheck::validate_object(thr, obj);

  1654     )

  1655     jint result = UNCHECKED()->MonitorExit(env,obj);

  1656     functionExit(env);

  1657     return result;

  1658 JNI_END

  1660 JNI_ENTRY_CHECKED(jint,

  1661   checked_jni_GetJavaVM(JNIEnv *env,

  1662                         JavaVM **vm))

  1663     functionEnter(thr);

  1664     jint result = UNCHECKED()->GetJavaVM(env,vm);

  1665     functionExit(env);

  1666     return result;

  1667 JNI_END

  1669 JNI_ENTRY_CHECKED(void,

  1670   checked_jni_GetStringRegion(JNIEnv *env,

  1671                               jstring str,

  1672                               jsize start,

  1673                               jsize len,

  1674                               jchar *buf))

  1675     functionEnter(thr);

  1676     IN_VM(

  1677       checkString(thr, str);

  1678     )

  1679     UNCHECKED()->GetStringRegion(env, str, start, len, buf);

  1680     functionExit(env);

  1681 JNI_END

  1683 JNI_ENTRY_CHECKED(void,

  1684   checked_jni_GetStringUTFRegion(JNIEnv *env,

  1685                                  jstring str,

  1686                                  jsize start,

  1687                                  jsize len,

  1688                                  char *buf))

  1689     functionEnter(thr);

  1690     IN_VM(

  1691       checkString(thr, str);

  1692     )

  1693     UNCHECKED()->GetStringUTFRegion(env, str, start, len, buf);

  1694     functionExit(env);

  1695 JNI_END

  1697 JNI_ENTRY_CHECKED(void *,

  1698   checked_jni_GetPrimitiveArrayCritical(JNIEnv *env,

  1699                                         jarray array,

  1700                                         jboolean *isCopy))

  1701     functionEnterCritical(thr);

  1702     IN_VM(

  1703       check_is_primitive_array(thr, array);

  1704     )

  1705     void *result = UNCHECKED()->GetPrimitiveArrayCritical(env, array, isCopy);

  1706     functionExit(env);

  1707     return result;

  1708 JNI_END

  1710 JNI_ENTRY_CHECKED(void,

  1711   checked_jni_ReleasePrimitiveArrayCritical(JNIEnv *env,

  1712                                             jarray array,

  1713                                             void *carray,

  1714                                             jint mode))

  1715     functionEnterCriticalExceptionAllowed(thr);

  1716     IN_VM(

  1717       check_is_primitive_array(thr, array);

  1718     )

  1719     /* The Hotspot JNI code does not use the parameters, so just check the

  1720      * array parameter as a minor sanity check

  1721      */

  1722     UNCHECKED()->ReleasePrimitiveArrayCritical(env, array, carray, mode);

  1723     functionExit(env);

  1724 JNI_END

  1726 JNI_ENTRY_CHECKED(const jchar*,

  1727   checked_jni_GetStringCritical(JNIEnv *env,

  1728                                 jstring string,

  1729                                 jboolean *isCopy))

  1730     functionEnterCritical(thr);

  1731     IN_VM(

  1732       checkString(thr, string);

  1733     )

  1734     const jchar *result = UNCHECKED()->GetStringCritical(env, string, isCopy);

  1735     functionExit(env);

  1736     return result;

  1737 JNI_END

  1739 JNI_ENTRY_CHECKED(void,

  1740   checked_jni_ReleaseStringCritical(JNIEnv *env,

  1741                                     jstring str,

  1742                                     const jchar *chars))

  1743     functionEnterCriticalExceptionAllowed(thr);

  1744     IN_VM(

  1745       checkString(thr, str);

  1746     )

  1747     /* The Hotspot JNI code does not use the parameters, so just check the

  1748      * string parameter as a minor sanity check

  1749      */

  1750     UNCHECKED()->ReleaseStringCritical(env, str, chars);

  1751     functionExit(env);

  1752 JNI_END

  1754 JNI_ENTRY_CHECKED(jweak,

  1755   checked_jni_NewWeakGlobalRef(JNIEnv *env,

  1756                                jobject obj))

  1757     functionEnter(thr);

  1758     IN_VM(

  1759       if (obj != NULL) {

  1760         jniCheck::validate_handle(thr, obj);

  1761       }

  1762     )

  1763     jweak result = UNCHECKED()->NewWeakGlobalRef(env, obj);

  1764     functionExit(env);

  1765     return result;

  1766 JNI_END

  1768 JNI_ENTRY_CHECKED(void,

  1769   checked_jni_DeleteWeakGlobalRef(JNIEnv *env,

  1770                                   jweak ref))

  1771     functionEnterExceptionAllowed(thr);

  1772     UNCHECKED()->DeleteWeakGlobalRef(env, ref);

  1773     functionExit(env);

  1774 JNI_END

  1776 JNI_ENTRY_CHECKED(jboolean,

  1777   checked_jni_ExceptionCheck(JNIEnv *env))

  1778     functionEnterExceptionAllowed(thr);

  1779     jboolean result = UNCHECKED()->ExceptionCheck(env);

  1780     functionExit(env);

  1781     return result;

  1782 JNI_END

  1784 JNI_ENTRY_CHECKED(jobject,

  1785   checked_jni_NewDirectByteBuffer(JNIEnv *env,

  1786                                   void *address,

  1787                                   jlong capacity))

  1788     functionEnter(thr);

  1789     jobject result = UNCHECKED()->NewDirectByteBuffer(env, address, capacity);

  1790     functionExit(env);

  1791     return result;

  1792 JNI_END

  1794 JNI_ENTRY_CHECKED(void *,

  1795   checked_jni_GetDirectBufferAddress(JNIEnv *env,

  1796                                      jobject buf))

  1797     functionEnter(thr);

  1798     void* result = UNCHECKED()->GetDirectBufferAddress(env, buf);

  1799     functionExit(env);

  1800     return result;

  1801 JNI_END

  1803 JNI_ENTRY_CHECKED(jlong,

  1804   checked_jni_GetDirectBufferCapacity(JNIEnv *env,

  1805                                       jobject buf))

  1806     functionEnter(thr);

  1807     jlong result = UNCHECKED()->GetDirectBufferCapacity(env, buf);

  1808     functionExit(env);

  1809     return result;

  1810 JNI_END

  1812 JNI_ENTRY_CHECKED(jobjectRefType,

  1813   checked_jni_GetObjectRefType(JNIEnv *env,

  1814                                jobject obj))

  1815     functionEnter(thr);

  1816     /* validate the object being passed */

  1817     IN_VM(

  1818       jniCheck::validate_object(thr, obj);

  1819     )

  1820     jobjectRefType result = UNCHECKED()->GetObjectRefType(env, obj);

  1821     functionExit(env);

  1822     return result;

  1823 JNI_END

  1826 JNI_ENTRY_CHECKED(jint,

  1827   checked_jni_GetVersion(JNIEnv *env))

  1828     functionEnter(thr);

  1829     jint result = UNCHECKED()->GetVersion(env);

  1830     functionExit(env);

  1831     return result;

  1832 JNI_END

  1836 /*

  1837  * Structure containing all checked jni functions

  1838  */

  1839 struct JNINativeInterface_  checked_jni_NativeInterface = {

  1840     NULL,

  1841     NULL,

  1842     NULL,

  1844     NULL,

  1846     checked_jni_GetVersion,

  1848     checked_jni_DefineClass,

  1849     checked_jni_FindClass,

  1851     checked_jni_FromReflectedMethod,

  1852     checked_jni_FromReflectedField,

  1854     checked_jni_ToReflectedMethod,

  1856     checked_jni_GetSuperclass,

  1857     checked_jni_IsAssignableFrom,

  1859     checked_jni_ToReflectedField,

  1861     checked_jni_Throw,

  1862     checked_jni_ThrowNew,

  1863     checked_jni_ExceptionOccurred,

  1864     checked_jni_ExceptionDescribe,

  1865     checked_jni_ExceptionClear,

  1866     checked_jni_FatalError,

  1868     checked_jni_PushLocalFrame,

  1869     checked_jni_PopLocalFrame,

  1871     checked_jni_NewGlobalRef,

  1872     checked_jni_DeleteGlobalRef,

  1873     checked_jni_DeleteLocalRef,

  1874     checked_jni_IsSameObject,

  1876     checked_jni_NewLocalRef,

  1877     checked_jni_EnsureLocalCapacity,

  1879     checked_jni_AllocObject,

  1880     checked_jni_NewObject,

  1881     checked_jni_NewObjectV,

  1882     checked_jni_NewObjectA,

  1884     checked_jni_GetObjectClass,

  1885     checked_jni_IsInstanceOf,

  1887     checked_jni_GetMethodID,

  1889     checked_jni_CallObjectMethod,

  1890     checked_jni_CallObjectMethodV,

  1891     checked_jni_CallObjectMethodA,

  1892     checked_jni_CallBooleanMethod,

  1893     checked_jni_CallBooleanMethodV,

  1894     checked_jni_CallBooleanMethodA,

  1895     checked_jni_CallByteMethod,

  1896     checked_jni_CallByteMethodV,

  1897     checked_jni_CallByteMethodA,

  1898     checked_jni_CallCharMethod,

  1899     checked_jni_CallCharMethodV,

  1900     checked_jni_CallCharMethodA,

  1901     checked_jni_CallShortMethod,

  1902     checked_jni_CallShortMethodV,

  1903     checked_jni_CallShortMethodA,

  1904     checked_jni_CallIntMethod,

  1905     checked_jni_CallIntMethodV,

  1906     checked_jni_CallIntMethodA,

  1907     checked_jni_CallLongMethod,

  1908     checked_jni_CallLongMethodV,

  1909     checked_jni_CallLongMethodA,

  1910     checked_jni_CallFloatMethod,

  1911     checked_jni_CallFloatMethodV,

  1912     checked_jni_CallFloatMethodA,

  1913     checked_jni_CallDoubleMethod,

  1914     checked_jni_CallDoubleMethodV,

  1915     checked_jni_CallDoubleMethodA,

  1916     checked_jni_CallVoidMethod,

  1917     checked_jni_CallVoidMethodV,

  1918     checked_jni_CallVoidMethodA,

  1920     checked_jni_CallNonvirtualObjectMethod,

  1921     checked_jni_CallNonvirtualObjectMethodV,

  1922     checked_jni_CallNonvirtualObjectMethodA,

  1923     checked_jni_CallNonvirtualBooleanMethod,

  1924     checked_jni_CallNonvirtualBooleanMethodV,

  1925     checked_jni_CallNonvirtualBooleanMethodA,

  1926     checked_jni_CallNonvirtualByteMethod,

  1927     checked_jni_CallNonvirtualByteMethodV,

  1928     checked_jni_CallNonvirtualByteMethodA,

  1929     checked_jni_CallNonvirtualCharMethod,

  1930     checked_jni_CallNonvirtualCharMethodV,

  1931     checked_jni_CallNonvirtualCharMethodA,

  1932     checked_jni_CallNonvirtualShortMethod,

  1933     checked_jni_CallNonvirtualShortMethodV,

  1934     checked_jni_CallNonvirtualShortMethodA,

  1935     checked_jni_CallNonvirtualIntMethod,

  1936     checked_jni_CallNonvirtualIntMethodV,

  1937     checked_jni_CallNonvirtualIntMethodA,

  1938     checked_jni_CallNonvirtualLongMethod,

  1939     checked_jni_CallNonvirtualLongMethodV,

  1940     checked_jni_CallNonvirtualLongMethodA,

  1941     checked_jni_CallNonvirtualFloatMethod,

  1942     checked_jni_CallNonvirtualFloatMethodV,

  1943     checked_jni_CallNonvirtualFloatMethodA,

  1944     checked_jni_CallNonvirtualDoubleMethod,

  1945     checked_jni_CallNonvirtualDoubleMethodV,

  1946     checked_jni_CallNonvirtualDoubleMethodA,

  1947     checked_jni_CallNonvirtualVoidMethod,

  1948     checked_jni_CallNonvirtualVoidMethodV,

  1949     checked_jni_CallNonvirtualVoidMethodA,

  1951     checked_jni_GetFieldID,

  1953     checked_jni_GetObjectField,

  1954     checked_jni_GetBooleanField,

  1955     checked_jni_GetByteField,

  1956     checked_jni_GetCharField,

  1957     checked_jni_GetShortField,

  1958     checked_jni_GetIntField,

  1959     checked_jni_GetLongField,

  1960     checked_jni_GetFloatField,

  1961     checked_jni_GetDoubleField,

  1963     checked_jni_SetObjectField,

  1964     checked_jni_SetBooleanField,

  1965     checked_jni_SetByteField,

  1966     checked_jni_SetCharField,

  1967     checked_jni_SetShortField,

  1968     checked_jni_SetIntField,

  1969     checked_jni_SetLongField,

  1970     checked_jni_SetFloatField,

  1971     checked_jni_SetDoubleField,

  1973     checked_jni_GetStaticMethodID,

  1975     checked_jni_CallStaticObjectMethod,

  1976     checked_jni_CallStaticObjectMethodV,

  1977     checked_jni_CallStaticObjectMethodA,

  1978     checked_jni_CallStaticBooleanMethod,

  1979     checked_jni_CallStaticBooleanMethodV,

  1980     checked_jni_CallStaticBooleanMethodA,

  1981     checked_jni_CallStaticByteMethod,

  1982     checked_jni_CallStaticByteMethodV,

  1983     checked_jni_CallStaticByteMethodA,

  1984     checked_jni_CallStaticCharMethod,

  1985     checked_jni_CallStaticCharMethodV,

  1986     checked_jni_CallStaticCharMethodA,

  1987     checked_jni_CallStaticShortMethod,

  1988     checked_jni_CallStaticShortMethodV,

  1989     checked_jni_CallStaticShortMethodA,

  1990     checked_jni_CallStaticIntMethod,

  1991     checked_jni_CallStaticIntMethodV,

  1992     checked_jni_CallStaticIntMethodA,

  1993     checked_jni_CallStaticLongMethod,

  1994     checked_jni_CallStaticLongMethodV,

  1995     checked_jni_CallStaticLongMethodA,

  1996     checked_jni_CallStaticFloatMethod,

  1997     checked_jni_CallStaticFloatMethodV,

  1998     checked_jni_CallStaticFloatMethodA,

  1999     checked_jni_CallStaticDoubleMethod,

  2000     checked_jni_CallStaticDoubleMethodV,

  2001     checked_jni_CallStaticDoubleMethodA,

  2002     checked_jni_CallStaticVoidMethod,

  2003     checked_jni_CallStaticVoidMethodV,

  2004     checked_jni_CallStaticVoidMethodA,

  2006     checked_jni_GetStaticFieldID,

  2008     checked_jni_GetStaticObjectField,

  2009     checked_jni_GetStaticBooleanField,

  2010     checked_jni_GetStaticByteField,

  2011     checked_jni_GetStaticCharField,

  2012     checked_jni_GetStaticShortField,

  2013     checked_jni_GetStaticIntField,

  2014     checked_jni_GetStaticLongField,

  2015     checked_jni_GetStaticFloatField,

  2016     checked_jni_GetStaticDoubleField,

  2018     checked_jni_SetStaticObjectField,

  2019     checked_jni_SetStaticBooleanField,

  2020     checked_jni_SetStaticByteField,

  2021     checked_jni_SetStaticCharField,

  2022     checked_jni_SetStaticShortField,

  2023     checked_jni_SetStaticIntField,

  2024     checked_jni_SetStaticLongField,

  2025     checked_jni_SetStaticFloatField,

  2026     checked_jni_SetStaticDoubleField,

  2028     checked_jni_NewString,

  2029     checked_jni_GetStringLength,

  2030     checked_jni_GetStringChars,

  2031     checked_jni_ReleaseStringChars,

  2033     checked_jni_NewStringUTF,

  2034     checked_jni_GetStringUTFLength,

  2035     checked_jni_GetStringUTFChars,

  2036     checked_jni_ReleaseStringUTFChars,

  2038     checked_jni_GetArrayLength,

  2040     checked_jni_NewObjectArray,

  2041     checked_jni_GetObjectArrayElement,

  2042     checked_jni_SetObjectArrayElement,

  2044     checked_jni_NewBooleanArray,

  2045     checked_jni_NewByteArray,

  2046     checked_jni_NewCharArray,

  2047     checked_jni_NewShortArray,

  2048     checked_jni_NewIntArray,

  2049     checked_jni_NewLongArray,

  2050     checked_jni_NewFloatArray,

  2051     checked_jni_NewDoubleArray,

  2053     checked_jni_GetBooleanArrayElements,

  2054     checked_jni_GetByteArrayElements,

  2055     checked_jni_GetCharArrayElements,

  2056     checked_jni_GetShortArrayElements,

  2057     checked_jni_GetIntArrayElements,

  2058     checked_jni_GetLongArrayElements,

  2059     checked_jni_GetFloatArrayElements,

  2060     checked_jni_GetDoubleArrayElements,

  2062     checked_jni_ReleaseBooleanArrayElements,

  2063     checked_jni_ReleaseByteArrayElements,

  2064     checked_jni_ReleaseCharArrayElements,

  2065     checked_jni_ReleaseShortArrayElements,

  2066     checked_jni_ReleaseIntArrayElements,

  2067     checked_jni_ReleaseLongArrayElements,

  2068     checked_jni_ReleaseFloatArrayElements,

  2069     checked_jni_ReleaseDoubleArrayElements,

  2071     checked_jni_GetBooleanArrayRegion,

  2072     checked_jni_GetByteArrayRegion,

  2073     checked_jni_GetCharArrayRegion,

  2074     checked_jni_GetShortArrayRegion,

  2075     checked_jni_GetIntArrayRegion,

  2076     checked_jni_GetLongArrayRegion,

  2077     checked_jni_GetFloatArrayRegion,

  2078     checked_jni_GetDoubleArrayRegion,

  2080     checked_jni_SetBooleanArrayRegion,

  2081     checked_jni_SetByteArrayRegion,

  2082     checked_jni_SetCharArrayRegion,

  2083     checked_jni_SetShortArrayRegion,

  2084     checked_jni_SetIntArrayRegion,

  2085     checked_jni_SetLongArrayRegion,

  2086     checked_jni_SetFloatArrayRegion,

  2087     checked_jni_SetDoubleArrayRegion,

  2089     checked_jni_RegisterNatives,

  2090     checked_jni_UnregisterNatives,

  2092     checked_jni_MonitorEnter,

  2093     checked_jni_MonitorExit,

  2095     checked_jni_GetJavaVM,

  2097     checked_jni_GetStringRegion,

  2098     checked_jni_GetStringUTFRegion,

  2100     checked_jni_GetPrimitiveArrayCritical,

  2101     checked_jni_ReleasePrimitiveArrayCritical,

  2103     checked_jni_GetStringCritical,

  2104     checked_jni_ReleaseStringCritical,

  2106     checked_jni_NewWeakGlobalRef,

  2107     checked_jni_DeleteWeakGlobalRef,

  2109     checked_jni_ExceptionCheck,

  2111     checked_jni_NewDirectByteBuffer,

  2112     checked_jni_GetDirectBufferAddress,

  2113     checked_jni_GetDirectBufferCapacity,

  2115     // New 1.6 Features

  2117     checked_jni_GetObjectRefType

  2118 };

  2121 // Returns the function structure

  2122 struct JNINativeInterface_* jni_functions_check() {

  2124   unchecked_jni_NativeInterface = jni_functions_nocheck();

  2126   // make sure the last pointer in the checked table is not null, indicating

  2127   // an addition to the JNINativeInterface_ structure without initializing

  2128   // it in the checked table.

  2129   debug_only(int *lastPtr = (int *)((char *)&checked_jni_NativeInterface + \

  2130              sizeof(*unchecked_jni_NativeInterface) - sizeof(char *));)

  2131   assert(*lastPtr != 0,

  2132          "Mismatched JNINativeInterface tables, check for new entries");

  2134   // with -verbose:jni this message will print

  2135   if (PrintJNIResolving) {

  2136     tty->print_cr("Checked JNI functions are being used to " \

  2137                   "validate JNI usage");

  2138   }

  2140   return &checked_jni_NativeInterface;

  2141 }

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

src/share/vm/prims/jniCheck.cpp@710a3c8b516e

src/share/vm/prims/jniCheck.cpp