jdk8-mips64-public/hotspot: src/share/vm/prims/jniCheck.cpp@7ae4e26cb1e0

     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 "memory/guardedMemory.hpp"

    35 #include "oops/instanceKlass.hpp"

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

    37 #include "oops/symbol.hpp"

    38 #include "prims/jni.h"

    39 #include "prims/jniCheck.hpp"

    40 #include "prims/jvm_misc.hpp"

    41 #include "runtime/fieldDescriptor.hpp"

    42 #include "runtime/handles.hpp"

    43 #include "runtime/interfaceSupport.hpp"

    44 #include "runtime/jfieldIDWorkaround.hpp"

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

    46 #ifdef TARGET_ARCH_x86

    47 # include "jniTypes_x86.hpp"

    48 #endif

    49 #ifdef TARGET_ARCH_sparc

    50 # include "jniTypes_sparc.hpp"

    51 #endif

    52 #ifdef TARGET_ARCH_zero

    53 # include "jniTypes_zero.hpp"

    54 #endif

    55 #ifdef TARGET_ARCH_arm

    56 # include "jniTypes_arm.hpp"

    57 #endif

    58 #ifdef TARGET_ARCH_ppc

    59 # include "jniTypes_ppc.hpp"

    60 #endif

    61 #ifdef TARGET_ARCH_mips

    62 # include "jniTypes_mips.hpp"

    63 #endif

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

    67 // not in native code.

    69 #define ASSERT_OOPS_ALLOWED                                          \

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

    71            "jniCheck examining oops in bad state.")

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

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

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

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

    78 // NATIVE state.

    80 #define IN_VM(source_code)   {                                         \

    81     {                                                                  \

    82       ThreadInVMfromNative __tiv(thr);                                 \

    83       source_code                                                      \

    84     }                                                                  \

    85   }

    88 /*

    89  * DECLARATIONS

    90  */

    92 static struct JNINativeInterface_ * unchecked_jni_NativeInterface;

    95 /*

    96  * MACRO DEFINITIONS

    97  */

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

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

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

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

   104 // assertions in the wrapper routines might fire

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

   108 #define JNI_ENTRY_CHECKED(result_type, header)                           \

   109 extern "C" {                                                             \

   110   result_type JNICALL header {                                           \

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

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

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

   114       os::abort(true);                                                   \

   115     }                                                                    \

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

   117     if (env != xenv) {                                                   \

   118       NativeReportJNIFatalError(thr, warn_wrong_jnienv);                 \

   119     }                                                                    \

   120     VM_ENTRY_BASE(result_type, header, thr)

   123 #define UNCHECKED() (unchecked_jni_NativeInterface)

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

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

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

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

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

   130   "Get/ReleasePrimitiveArrayCritical or Get/ReleaseStringCritical";

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

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

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

   134 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";

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

   154 // When in VM state:

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

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

   157   thr->print_stack();

   158 }

   160 // When in NATIVE state:

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

   162   IN_VM(

   163     ReportJNIFatalError(thr, msg);

   164   )

   165 }

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

   168   IN_VM(

   169     ReportJNIWarning(thr, msg);

   170   )

   171 }

   176 /*

   177  * SUPPORT FUNCTIONS

   178  */

   180 static inline void

   181 functionEnterCritical(JavaThread* thr)

   182 {

   183   if (thr->has_pending_exception()) {

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

   185   }

   186 }

   188 static inline void

   189 functionEnterCriticalExceptionAllowed(JavaThread* thr)

   190 {

   191 }

   193 static inline void

   194 functionEnter(JavaThread* thr)

   195 {

   196   if (thr->in_critical()) {

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

   198   }

   199   if (thr->has_pending_exception()) {

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

   201   }

   202 }

   204 static inline void

   205 functionEnterExceptionAllowed(JavaThread* thr)

   206 {

   207   if (thr->in_critical()) {

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

   209   }

   210 }

   212 static inline void

   213 functionExit(JNIEnv *env)

   214 {

   215   /* nothing to do at this time */

   216 }

   218 static inline void

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

   220 {

   221   fieldDescriptor fd;

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

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

   225     ReportJNIFatalError(thr, fatal_should_be_static);

   227   /* validate the class being passed */

   228   ASSERT_OOPS_ALLOWED;

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

   231   /* check for proper subclass hierarchy */

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

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

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

   235     ReportJNIFatalError(thr, fatal_wrong_static_field);

   237   /* check for proper field type */

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

   239     ReportJNIFatalError(thr, fatal_static_field_not_found);

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

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

   242     ReportJNIFatalError(thr, fatal_static_field_mismatch);

   243   }

   244 }

   246 static inline void

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

   248 {

   249   fieldDescriptor fd;

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

   252   if (jfieldIDWorkaround::is_static_jfieldID(fid))

   253     ReportJNIFatalError(thr, fatal_should_be_nonstatic);

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

   256   ASSERT_OOPS_ALLOWED;

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

   258   if (!oopObj) {

   259     ReportJNIFatalError(thr, fatal_null_object);

   260   }

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

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

   264     ReportJNIFatalError(thr, fatal_wrong_field);

   265   }

   267   /* make sure the field exists */

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

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

   270     ReportJNIFatalError(thr, fatal_wrong_field);

   272   /* check for proper field type */

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

   274                                                               false, &fd))

   275     ReportJNIFatalError(thr, fatal_instance_field_not_found);

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

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

   279     ReportJNIFatalError(thr, fatal_instance_field_mismatch);

   280   }

   281 }

   283 static inline void

   284 checkString(JavaThread* thr, jstring js)

   285 {

   286   ASSERT_OOPS_ALLOWED;

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

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

   289     ReportJNIFatalError(thr, fatal_non_string);

   290 }

   292 static inline arrayOop

   293 check_is_array(JavaThread* thr, jarray jArray)

   294 {

   295   ASSERT_OOPS_ALLOWED;

   296   arrayOop aOop;

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

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

   300     ReportJNIFatalError(thr, fatal_non_array);

   301   }

   302   return aOop;

   303 }

   305 static inline arrayOop

   306 check_is_primitive_array(JavaThread* thr, jarray jArray) {

   307   arrayOop aOop = check_is_array(thr, jArray);

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

   310      ReportJNIFatalError(thr, fatal_prim_type_array_expected);

   311   }

   312   return aOop;

   313 }

   315 static inline void

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

   317 {

   318   BasicType array_type;

   319   arrayOop aOop;

   321   aOop = check_is_primitive_array(thr, jArray);

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

   323   if (array_type != elementType) {

   324     ReportJNIFatalError(thr, fatal_element_type_mismatch);

   325   }

   326 }

   328 static inline void

   329 check_is_obj_array(JavaThread* thr, jarray jArray) {

   330   arrayOop aOop = check_is_array(thr, jArray);

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

   332     ReportJNIFatalError(thr, fatal_object_array_expected);

   333   }

   334 }

   336 /*

   337  * Copy and wrap array elements for bounds checking.

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

   339  */

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

   341     void* orig_elements) {

   342   void* result;

   343   IN_VM(

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

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

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

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

   348   )

   349   return result;

   350 }

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

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

   354   if (carray == NULL) {

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

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

   357   }

   358   GuardedMemory guarded(carray);

   359   void* orig_result = guarded.get_tag();

   360   if (!guarded.verify_guards()) {

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

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

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

   364     guarded.print_on(tty);

   365     NativeReportJNIFatalError(thr, "ReleasePrimitiveArrayCritical: "

   366         "failed bounds check");

   367   }

   368   if (orig_result == NULL) {

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

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

   371     guarded.print_on(tty);

   372     NativeReportJNIFatalError(thr, "ReleasePrimitiveArrayCritical: "

   373         "unrecognized elements");

   374   }

   375   if (rsz != NULL) {

   376     *rsz = guarded.get_user_size();

   377   }

   378   return orig_result;

   379 }

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

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

   383   size_t sz;

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

   385   switch (mode) {

   386   case 0:

   387     memcpy(orig_result, carray, sz);

   388     GuardedMemory::free_copy(carray);

   389     break;

   390   case JNI_COMMIT:

   391     memcpy(orig_result, carray, sz);

   392     break;

   393   case JNI_ABORT:

   394     GuardedMemory::free_copy(carray);

   395     break;

   396   default:

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

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

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

   400   }

   401   return orig_result;

   402 }

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

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

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

   407       JNIHandles::is_global_handle(obj) ||

   408       JNIHandles::is_weak_global_handle(obj)) {

   409     ASSERT_OOPS_ALLOWED;

   410     return JNIHandles::resolve_external_guard(obj);

   411   }

   412   ReportJNIFatalError(thr, fatal_bad_ref_to_jni);

   413   return NULL;

   414 }

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

   418   ASSERT_OOPS_ALLOWED;

   419   // do the fast jmethodID check first

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

   421   if (moop == NULL) {

   422     ReportJNIFatalError(thr, fatal_wrong_class_or_method);

   423   }

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

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

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

   427     ReportJNIFatalError(thr, fatal_non_weak_method);

   428   }

   429   return moop;

   430 }

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

   434     if (!obj)

   435         return NULL;

   436     ASSERT_OOPS_ALLOWED;

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

   438     if (!oopObj) {

   439       ReportJNIFatalError(thr, fatal_bad_ref_to_jni);

   440     }

   441     return oopObj;

   442 }

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

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

   446 // array descriptors.

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

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

   450   size_t len = strlen(name);

   452   if (len >= 2 &&

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

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

   455     char msg[JVM_MAXPATHLEN];

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

   457     ReportJNIWarning(thr, msg);

   458   }

   459 }

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

   462   ASSERT_OOPS_ALLOWED;

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

   464   if (!mirror) {

   465     ReportJNIFatalError(thr, fatal_received_null_class);

   466   }

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

   469     ReportJNIFatalError(thr, fatal_class_not_a_class);

   470   }

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

   473   // Make allowances for primitive classes ...

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

   475     ReportJNIFatalError(thr, fatal_class_not_a_class);

   476   }

   477   return k;

   478 }

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

   481   ASSERT_OOPS_ALLOWED;

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

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

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

   486     ReportJNIFatalError(thr, fatal_class_not_a_throwable_class);

   487   }

   488 }

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

   491   /* validate the object being passed */

   492   ASSERT_OOPS_ALLOWED;

   493   jniCheck::validate_jmethod_id(thr, method_id);

   494   jniCheck::validate_object(thr, obj);

   495 }

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

   498   /* validate the class being passed */

   499   ASSERT_OOPS_ALLOWED;

   500   jniCheck::validate_jmethod_id(thr, method_id);

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

   502 }

   505 /*

   506  * IMPLEMENTATION OF FUNCTIONS IN CHECKED TABLE

   507  */

   509 JNI_ENTRY_CHECKED(jclass,

   510   checked_jni_DefineClass(JNIEnv *env,

   511                           const char *name,

   512                           jobject loader,

   513                           const jbyte *buf,

   514                           jsize len))

   515     functionEnter(thr);

   516     IN_VM(

   517       jniCheck::validate_object(thr, loader);

   518     )

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

   520     functionExit(env);

   521     return result;

   522 JNI_END

   524 JNI_ENTRY_CHECKED(jclass,

   525   checked_jni_FindClass(JNIEnv *env,

   526                         const char *name))

   527     functionEnter(thr);

   528     IN_VM(

   529       jniCheck::validate_class_descriptor(thr, name);

   530     )

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

   532     functionExit(env);

   533     return result;

   534 JNI_END

   536 JNI_ENTRY_CHECKED(jmethodID,

   537   checked_jni_FromReflectedMethod(JNIEnv *env,

   538                                   jobject method))

   539     functionEnter(thr);

   540     IN_VM(

   541       jniCheck::validate_object(thr, method);

   542     )

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

   544     functionExit(env);

   545     return result;

   546 JNI_END

   548 JNI_ENTRY_CHECKED(jfieldID,

   549   checked_jni_FromReflectedField(JNIEnv *env,

   550                                  jobject field))

   551     functionEnter(thr);

   552     IN_VM(

   553       jniCheck::validate_object(thr, field);

   554     )

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

   556     functionExit(env);

   557     return result;

   558 JNI_END

   560 JNI_ENTRY_CHECKED(jobject,

   561   checked_jni_ToReflectedMethod(JNIEnv *env,

   562                                 jclass cls,

   563                                 jmethodID methodID,

   564                                 jboolean isStatic))

   565     functionEnter(thr);

   566     IN_VM(

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

   568       jniCheck::validate_jmethod_id(thr, methodID);

   569     )

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

   571                                                     isStatic);

   572     functionExit(env);

   573     return result;

   574 JNI_END

   576 JNI_ENTRY_CHECKED(jclass,

   577   checked_jni_GetSuperclass(JNIEnv *env,

   578                             jclass sub))

   579     functionEnter(thr);

   580     IN_VM(

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

   582     )

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

   584     functionExit(env);

   585     return result;

   586 JNI_END

   588 JNI_ENTRY_CHECKED(jboolean,

   589   checked_jni_IsAssignableFrom(JNIEnv *env,

   590                                jclass sub,

   591                                jclass sup))

   592     functionEnter(thr);

   593     IN_VM(

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

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

   596     )

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

   598     functionExit(env);

   599     return result;

   600 JNI_END

   602 JNI_ENTRY_CHECKED(jobject,

   603   checked_jni_ToReflectedField(JNIEnv *env,

   604                                jclass cls,

   605                                jfieldID fieldID,

   606                                jboolean isStatic))

   607     functionEnter(thr);

   608     IN_VM(

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

   610     )

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

   612                                                    isStatic);

   613     functionExit(env);

   614     return result;

   615 JNI_END

   617 JNI_ENTRY_CHECKED(jint,

   618   checked_jni_Throw(JNIEnv *env,

   619                     jthrowable obj))

   620     functionEnter(thr);

   621     IN_VM(

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

   623       if (oopObj == NULL) {

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

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

   626       } else {

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

   628       }

   629     )

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

   631     functionExit(env);

   632     return result;

   633 JNI_END

   635 JNI_ENTRY_CHECKED(jint,

   636   checked_jni_ThrowNew(JNIEnv *env,

   637                        jclass clazz,

   638                        const char *msg))

   639     functionEnter(thr);

   640     IN_VM(

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

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

   643       jniCheck::validate_throwable_klass(thr, k);

   644     )

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

   646     functionExit(env);

   647     return result;

   648 JNI_END

   650 JNI_ENTRY_CHECKED(jthrowable,

   651   checked_jni_ExceptionOccurred(JNIEnv *env))

   652     functionEnterExceptionAllowed(thr);

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

   654     functionExit(env);

   655     return result;

   656 JNI_END

   658 JNI_ENTRY_CHECKED(void,

   659   checked_jni_ExceptionDescribe(JNIEnv *env))

   660     functionEnterExceptionAllowed(thr);

   661     UNCHECKED()->ExceptionDescribe(env);

   662     functionExit(env);

   663 JNI_END

   665 JNI_ENTRY_CHECKED(void,

   666   checked_jni_ExceptionClear(JNIEnv *env))

   667     functionEnterExceptionAllowed(thr);

   668     UNCHECKED()->ExceptionClear(env);

   669     functionExit(env);

   670 JNI_END

   672 JNI_ENTRY_CHECKED(void,

   673   checked_jni_FatalError(JNIEnv *env,

   674                          const char *msg))

   675     functionEnter(thr);

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

   677     functionExit(env);

   678 JNI_END

   680 JNI_ENTRY_CHECKED(jint,

   681   checked_jni_PushLocalFrame(JNIEnv *env,

   682                              jint capacity))

   683     functionEnterExceptionAllowed(thr);

   684     if (capacity < 0)

   685       NativeReportJNIFatalError(thr, "negative capacity");

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

   687     functionExit(env);

   688     return result;

   689 JNI_END

   691 JNI_ENTRY_CHECKED(jobject,

   692   checked_jni_PopLocalFrame(JNIEnv *env,

   693                             jobject result))

   694     functionEnterExceptionAllowed(thr);

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

   696     functionExit(env);

   697     return res;

   698 JNI_END

   700 JNI_ENTRY_CHECKED(jobject,

   701   checked_jni_NewGlobalRef(JNIEnv *env,

   702                            jobject lobj))

   703     functionEnter(thr);

   704     IN_VM(

   705       if (lobj != NULL) {

   706         jniCheck::validate_handle(thr, lobj);

   707       }

   708     )

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

   710     functionExit(env);

   711     return result;

   712 JNI_END

   714 JNI_ENTRY_CHECKED(void,

   715   checked_jni_DeleteGlobalRef(JNIEnv *env,

   716                               jobject gref))

   717     functionEnterExceptionAllowed(thr);

   718     IN_VM(

   719       jniCheck::validate_object(thr, gref);

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

   721         ReportJNIFatalError(thr,

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

   723       }

   724     )

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

   726     functionExit(env);

   727 JNI_END

   729 JNI_ENTRY_CHECKED(void,

   730   checked_jni_DeleteLocalRef(JNIEnv *env,

   731                              jobject obj))

   732     functionEnterExceptionAllowed(thr);

   733     IN_VM(

   734       jniCheck::validate_object(thr, obj);

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

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

   737         ReportJNIFatalError(thr,

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

   739     )

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

   741     functionExit(env);

   742 JNI_END

   744 JNI_ENTRY_CHECKED(jboolean,

   745   checked_jni_IsSameObject(JNIEnv *env,

   746                            jobject obj1,

   747                            jobject obj2))

   748     functionEnterExceptionAllowed(thr);

   749     IN_VM(

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

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

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

   753        */

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

   755         jniCheck::validate_object(thr, obj1);

   756       }

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

   758         jniCheck::validate_object(thr, obj2);

   759       }

   760     )

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

   762     functionExit(env);

   763     return result;

   764 JNI_END

   766 JNI_ENTRY_CHECKED(jobject,

   767   checked_jni_NewLocalRef(JNIEnv *env,

   768                           jobject ref))

   769     functionEnter(thr);

   770     IN_VM(

   771       if (ref != NULL) {

   772         jniCheck::validate_handle(thr, ref);

   773       }

   774     )

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

   776     functionExit(env);

   777     return result;

   778 JNI_END

   780 JNI_ENTRY_CHECKED(jint,

   781   checked_jni_EnsureLocalCapacity(JNIEnv *env,

   782                                   jint capacity))

   783     functionEnter(thr);

   784     if (capacity < 0) {

   785       NativeReportJNIFatalError(thr, "negative capacity");

   786     }

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

   788     functionExit(env);

   789     return result;

   790 JNI_END

   792 JNI_ENTRY_CHECKED(jobject,

   793   checked_jni_AllocObject(JNIEnv *env,

   794                           jclass clazz))

   795     functionEnter(thr);

   796     IN_VM(

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

   798     )

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

   800     functionExit(env);

   801     return result;

   802 JNI_END

   804 JNI_ENTRY_CHECKED(jobject,

   805   checked_jni_NewObject(JNIEnv *env,

   806                         jclass clazz,

   807                         jmethodID methodID,

   808                         ...))

   809     functionEnter(thr);

   810     va_list args;

   811     IN_VM(

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

   813       jniCheck::validate_jmethod_id(thr, methodID);

   814     )

   815     va_start(args, methodID);

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

   817     va_end(args);

   818     functionExit(env);

   819     return result;

   820 JNI_END

   822 JNI_ENTRY_CHECKED(jobject,

   823   checked_jni_NewObjectV(JNIEnv *env,

   824                          jclass clazz,

   825                          jmethodID methodID,

   826                          va_list args))

   827     functionEnter(thr);

   828     IN_VM(

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

   830       jniCheck::validate_jmethod_id(thr, methodID);

   831     )

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

   833     functionExit(env);

   834     return result;

   835 JNI_END

   837 JNI_ENTRY_CHECKED(jobject,

   838   checked_jni_NewObjectA(JNIEnv *env,

   839                          jclass clazz,

   840                          jmethodID methodID,

   841                          const jvalue *args))

   842     functionEnter(thr);

   843     IN_VM(

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

   845       jniCheck::validate_jmethod_id(thr, methodID);

   846     )

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

   848     functionExit(env);

   849     return result;

   850 JNI_END

   852 JNI_ENTRY_CHECKED(jclass,

   853   checked_jni_GetObjectClass(JNIEnv *env,

   854                              jobject obj))

   855     functionEnter(thr);

   856     IN_VM(

   857       jniCheck::validate_object(thr, obj);

   858     )

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

   860     functionExit(env);

   861     return result;

   862 JNI_END

   864 JNI_ENTRY_CHECKED(jboolean,

   865   checked_jni_IsInstanceOf(JNIEnv *env,

   866                            jobject obj,

   867                            jclass clazz))

   868     functionEnter(thr);

   869     IN_VM(

   870       jniCheck::validate_object(thr, obj);

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

   872     )

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

   874     functionExit(env);

   875     return result;

   876 JNI_END

   878 JNI_ENTRY_CHECKED(jmethodID,

   879   checked_jni_GetMethodID(JNIEnv *env,

   880                           jclass clazz,

   881                           const char *name,

   882                           const char *sig))

   883     functionEnter(thr);

   884     IN_VM(

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

   886     )

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

   888     functionExit(env);

   889     return result;

   890 JNI_END

   892 #define WRAPPER_CallMethod(ResultType, Result) \

   893 JNI_ENTRY_CHECKED(ResultType,  \

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

   895                                    jobject obj, \

   896                                    jmethodID methodID, \

   897                                    ...)) \

   898     functionEnter(thr); \

   899     va_list args; \

   900     IN_VM( \

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

   902     ) \

   903     va_start(args,methodID); \

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

   905                                                           args); \

   906     va_end(args); \

   907     functionExit(env); \

   908     return result; \

   909 JNI_END \

   910 \

   911 JNI_ENTRY_CHECKED(ResultType,  \

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

   913                                     jobject obj, \

   914                                     jmethodID methodID, \

   915                                     va_list args)) \

   916     functionEnter(thr); \

   917     IN_VM(\

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

   919     ) \

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

   921                                                            args); \

   922     functionExit(env); \

   923     return result; \

   924 JNI_END \

   925 \

   926 JNI_ENTRY_CHECKED(ResultType,  \

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

   928                                     jobject obj, \

   929                                     jmethodID methodID, \

   930                                     const jvalue * args)) \

   931     functionEnter(thr); \

   932     IN_VM( \

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

   934     ) \

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

   936                                                            args); \

   937     functionExit(env); \

   938     return result; \

   939 JNI_END

   941 WRAPPER_CallMethod(jobject,Object)

   942 WRAPPER_CallMethod(jboolean,Boolean)

   943 WRAPPER_CallMethod(jbyte,Byte)

   944 WRAPPER_CallMethod(jshort,Short)

   945 WRAPPER_CallMethod(jchar,Char)

   946 WRAPPER_CallMethod(jint,Int)

   947 WRAPPER_CallMethod(jlong,Long)

   948 WRAPPER_CallMethod(jfloat,Float)

   949 WRAPPER_CallMethod(jdouble,Double)

   951 JNI_ENTRY_CHECKED(void,

   952   checked_jni_CallVoidMethod(JNIEnv *env, \

   953                              jobject obj, \

   954                              jmethodID methodID, \

   955                              ...))

   956     functionEnter(thr);

   957     va_list args;

   958     IN_VM(

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

   960     )

   961     va_start(args,methodID);

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

   963     va_end(args);

   964     functionExit(env);

   965 JNI_END

   967 JNI_ENTRY_CHECKED(void,

   968   checked_jni_CallVoidMethodV(JNIEnv *env,

   969                               jobject obj,

   970                               jmethodID methodID,

   971                               va_list args))

   972     functionEnter(thr);

   973     IN_VM(

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

   975     )

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

   977     functionExit(env);

   978 JNI_END

   980 JNI_ENTRY_CHECKED(void,

   981   checked_jni_CallVoidMethodA(JNIEnv *env,

   982                               jobject obj,

   983                               jmethodID methodID,

   984                               const jvalue * args))

   985     functionEnter(thr);

   986     IN_VM(

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

   988     )

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

   990     functionExit(env);

   991 JNI_END

   993 #define WRAPPER_CallNonvirtualMethod(ResultType, Result) \

   994 JNI_ENTRY_CHECKED(ResultType,  \

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

   996                                              jobject obj, \

   997                                              jclass clazz, \

   998                                              jmethodID methodID, \

   999                                              ...)) \

  1000     functionEnter(thr); \

  1001     va_list args; \

  1002     IN_VM( \

  1003       jniCheck::validate_call_object(thr, obj, methodID); \

  1004       jniCheck::validate_call_class(thr, clazz, methodID); \

  1005     ) \

  1006     va_start(args,methodID); \

  1007     ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodV(env, \

  1008                                                                      obj, \

  1009                                                                      clazz, \

  1010                                                                      methodID,\

  1011                                                                      args); \

  1012     va_end(args); \

  1013     functionExit(env); \

  1014     return result; \

  1015 JNI_END \

  1016 \

  1017 JNI_ENTRY_CHECKED(ResultType,  \

  1018   checked_jni_CallNonvirtual##Result##MethodV(JNIEnv *env, \

  1019                                               jobject obj, \

  1020                                               jclass clazz, \

  1021                                               jmethodID methodID, \

  1022                                               va_list args)) \

  1023     functionEnter(thr); \

  1024     IN_VM( \

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

  1026       jniCheck::validate_call_class(thr, clazz, methodID); \

  1027     ) \

  1028     ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodV(env, \

  1029                                                                      obj, \

  1030                                                                      clazz, \

  1031                                                                      methodID,\

  1032                                                                      args); \

  1033     functionExit(env); \

  1034     return result; \

  1035 JNI_END \

  1036 \

  1037 JNI_ENTRY_CHECKED(ResultType,  \

  1038   checked_jni_CallNonvirtual##Result##MethodA(JNIEnv *env, \

  1039                                               jobject obj, \

  1040                                               jclass clazz, \

  1041                                               jmethodID methodID, \

  1042                                               const jvalue * args)) \

  1043     functionEnter(thr); \

  1044     IN_VM( \

  1045       jniCheck::validate_call_object(thr, obj, methodID); \

  1046       jniCheck::validate_call_class(thr, clazz, methodID); \

  1047     ) \

  1048     ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodA(env, \

  1049                                                                      obj, \

  1050                                                                      clazz, \

  1051                                                                      methodID,\

  1052                                                                      args); \

  1053     functionExit(env); \

  1054     return result; \

  1055 JNI_END

  1057 WRAPPER_CallNonvirtualMethod(jobject,Object)

  1058 WRAPPER_CallNonvirtualMethod(jboolean,Boolean)

  1059 WRAPPER_CallNonvirtualMethod(jbyte,Byte)

  1060 WRAPPER_CallNonvirtualMethod(jshort,Short)

  1061 WRAPPER_CallNonvirtualMethod(jchar,Char)

  1062 WRAPPER_CallNonvirtualMethod(jint,Int)

  1063 WRAPPER_CallNonvirtualMethod(jlong,Long)

  1064 WRAPPER_CallNonvirtualMethod(jfloat,Float)

  1065 WRAPPER_CallNonvirtualMethod(jdouble,Double)

  1067 JNI_ENTRY_CHECKED(void,

  1068   checked_jni_CallNonvirtualVoidMethod(JNIEnv *env,

  1069                                        jobject obj,

  1070                                        jclass clazz,

  1071                                        jmethodID methodID,

  1072                                        ...))

  1073     functionEnter(thr);

  1074     va_list args;

  1075     IN_VM(

  1076       jniCheck::validate_call_object(thr, obj, methodID);

  1077       jniCheck::validate_call_class(thr, clazz, methodID);

  1078     )

  1079     va_start(args,methodID);

  1080     UNCHECKED()->CallNonvirtualVoidMethodV(env,obj,clazz,methodID,args);

  1081     va_end(args);

  1082     functionExit(env);

  1083 JNI_END

  1085 JNI_ENTRY_CHECKED(void,

  1086   checked_jni_CallNonvirtualVoidMethodV(JNIEnv *env,

  1087                                         jobject obj,

  1088                                         jclass clazz,

  1089                                         jmethodID methodID,

  1090                                         va_list args))

  1091     functionEnter(thr);

  1092     IN_VM(

  1093       jniCheck::validate_call_object(thr, obj, methodID);

  1094       jniCheck::validate_call_class(thr, clazz, methodID);

  1095     )

  1096     UNCHECKED()->CallNonvirtualVoidMethodV(env,obj,clazz,methodID,args);

  1097     functionExit(env);

  1098 JNI_END

  1100 JNI_ENTRY_CHECKED(void,

  1101   checked_jni_CallNonvirtualVoidMethodA(JNIEnv *env,

  1102                                         jobject obj,

  1103                                         jclass clazz,

  1104                                         jmethodID methodID,

  1105                                         const jvalue * args))

  1106     functionEnter(thr);

  1107     IN_VM(

  1108       jniCheck::validate_call_object(thr, obj, methodID);

  1109       jniCheck::validate_call_class(thr, clazz, methodID);

  1110     )

  1111     UNCHECKED()->CallNonvirtualVoidMethodA(env,obj,clazz,methodID,args);

  1112     functionExit(env);

  1113 JNI_END

  1115 JNI_ENTRY_CHECKED(jfieldID,

  1116   checked_jni_GetFieldID(JNIEnv *env,

  1117                          jclass clazz,

  1118                          const char *name,

  1119                          const char *sig))

  1120     functionEnter(thr);

  1121     IN_VM(

  1122       jniCheck::validate_class(thr, clazz, false);

  1123     )

  1124     jfieldID result = UNCHECKED()->GetFieldID(env,clazz,name,sig);

  1125     functionExit(env);

  1126     return result;

  1127 JNI_END

  1129 #define WRAPPER_GetField(ReturnType,Result,FieldType) \

  1130 JNI_ENTRY_CHECKED(ReturnType,  \

  1131   checked_jni_Get##Result##Field(JNIEnv *env, \

  1132                                  jobject obj, \

  1133                                  jfieldID fieldID)) \

  1134     functionEnter(thr); \

  1135     IN_VM( \

  1136       checkInstanceFieldID(thr, fieldID, obj, FieldType); \

  1137     ) \

  1138     ReturnType result = UNCHECKED()->Get##Result##Field(env,obj,fieldID); \

  1139     functionExit(env); \

  1140     return result; \

  1141 JNI_END

  1143 WRAPPER_GetField(jobject,  Object,  T_OBJECT)

  1144 WRAPPER_GetField(jboolean, Boolean, T_BOOLEAN)

  1145 WRAPPER_GetField(jbyte,    Byte,    T_BYTE)

  1146 WRAPPER_GetField(jshort,   Short,   T_SHORT)

  1147 WRAPPER_GetField(jchar,    Char,    T_CHAR)

  1148 WRAPPER_GetField(jint,     Int,     T_INT)

  1149 WRAPPER_GetField(jlong,    Long,    T_LONG)

  1150 WRAPPER_GetField(jfloat,   Float,   T_FLOAT)

  1151 WRAPPER_GetField(jdouble,  Double,  T_DOUBLE)

  1153 #define WRAPPER_SetField(ValueType,Result,FieldType) \

  1154 JNI_ENTRY_CHECKED(void,  \

  1155   checked_jni_Set##Result##Field(JNIEnv *env, \

  1156                                  jobject obj, \

  1157                                  jfieldID fieldID, \

  1158                                  ValueType val)) \

  1159     functionEnter(thr); \

  1160     IN_VM( \

  1161       checkInstanceFieldID(thr, fieldID, obj, FieldType); \

  1162     ) \

  1163     UNCHECKED()->Set##Result##Field(env,obj,fieldID,val); \

  1164     functionExit(env); \

  1165 JNI_END

  1167 WRAPPER_SetField(jobject,  Object,  T_OBJECT)

  1168 WRAPPER_SetField(jboolean, Boolean, T_BOOLEAN)

  1169 WRAPPER_SetField(jbyte,    Byte,    T_BYTE)

  1170 WRAPPER_SetField(jshort,   Short,   T_SHORT)

  1171 WRAPPER_SetField(jchar,    Char,    T_CHAR)

  1172 WRAPPER_SetField(jint,     Int,     T_INT)

  1173 WRAPPER_SetField(jlong,    Long,    T_LONG)

  1174 WRAPPER_SetField(jfloat,   Float,   T_FLOAT)

  1175 WRAPPER_SetField(jdouble,  Double,  T_DOUBLE)

  1178 JNI_ENTRY_CHECKED(jmethodID,

  1179   checked_jni_GetStaticMethodID(JNIEnv *env,

  1180                                 jclass clazz,

  1181                                 const char *name,

  1182                                 const char *sig))

  1183     functionEnter(thr);

  1184     IN_VM(

  1185       jniCheck::validate_class(thr, clazz, false);

  1186     )

  1187     jmethodID result = UNCHECKED()->GetStaticMethodID(env,clazz,name,sig);

  1188     functionExit(env);

  1189     return result;

  1190 JNI_END

  1192 #define WRAPPER_CallStaticMethod(ReturnType,Result) \

  1193 JNI_ENTRY_CHECKED(ReturnType,  \

  1194   checked_jni_CallStatic##Result##Method(JNIEnv *env, \

  1195                                          jclass clazz, \

  1196                                          jmethodID methodID, \

  1197                                          ...)) \

  1198     functionEnter(thr); \

  1199     va_list args; \

  1200     IN_VM( \

  1201       jniCheck::validate_jmethod_id(thr, methodID); \

  1202       jniCheck::validate_class(thr, clazz, false); \

  1203     ) \

  1204     va_start(args,methodID); \

  1205     ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \

  1206                                                                  clazz, \

  1207                                                                  methodID, \

  1208                                                                  args); \

  1209     va_end(args); \

  1210     functionExit(env); \

  1211     return result; \

  1212 JNI_END \

  1213 \

  1214 JNI_ENTRY_CHECKED(ReturnType,  \

  1215   checked_jni_CallStatic##Result##MethodV(JNIEnv *env, \

  1216                                           jclass clazz, \

  1217                                           jmethodID methodID,\

  1218                                           va_list args)) \

  1219     functionEnter(thr); \

  1220     IN_VM( \

  1221       jniCheck::validate_jmethod_id(thr, methodID); \

  1222       jniCheck::validate_class(thr, clazz, false); \

  1223     ) \

  1224     ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \

  1225                                                                  clazz, \

  1226                                                                  methodID, \

  1227                                                                  args); \

  1228     functionExit(env); \

  1229     return result; \

  1230 JNI_END \

  1231 \

  1232 JNI_ENTRY_CHECKED(ReturnType,  \

  1233   checked_jni_CallStatic##Result##MethodA(JNIEnv *env, \

  1234                                           jclass clazz, \

  1235                                           jmethodID methodID, \

  1236                                           const jvalue *args)) \

  1237     functionEnter(thr); \

  1238     IN_VM( \

  1239       jniCheck::validate_jmethod_id(thr, methodID); \

  1240       jniCheck::validate_class(thr, clazz, false); \

  1241     ) \

  1242     ReturnType result = UNCHECKED()->CallStatic##Result##MethodA(env, \

  1243                                                                  clazz, \

  1244                                                                  methodID, \

  1245                                                                  args); \

  1246     functionExit(env); \

  1247     return result; \

  1248 JNI_END

  1250 WRAPPER_CallStaticMethod(jobject,Object)

  1251 WRAPPER_CallStaticMethod(jboolean,Boolean)

  1252 WRAPPER_CallStaticMethod(jbyte,Byte)

  1253 WRAPPER_CallStaticMethod(jshort,Short)

  1254 WRAPPER_CallStaticMethod(jchar,Char)

  1255 WRAPPER_CallStaticMethod(jint,Int)

  1256 WRAPPER_CallStaticMethod(jlong,Long)

  1257 WRAPPER_CallStaticMethod(jfloat,Float)

  1258 WRAPPER_CallStaticMethod(jdouble,Double)

  1260 JNI_ENTRY_CHECKED(void,

  1261   checked_jni_CallStaticVoidMethod(JNIEnv *env,

  1262                                    jclass cls,

  1263                                    jmethodID methodID,

  1264                                    ...))

  1265     functionEnter(thr);

  1266     va_list args;

  1267     IN_VM(

  1268       jniCheck::validate_jmethod_id(thr, methodID);

  1269       jniCheck::validate_class(thr, cls, false);

  1270     )

  1271     va_start(args,methodID);

  1272     UNCHECKED()->CallStaticVoidMethodV(env,cls,methodID,args);

  1273     va_end(args);

  1274     functionExit(env);

  1275 JNI_END

  1277 JNI_ENTRY_CHECKED(void,

  1278   checked_jni_CallStaticVoidMethodV(JNIEnv *env,

  1279                                     jclass cls,

  1280                                     jmethodID methodID,

  1281                                     va_list args))

  1282     functionEnter(thr);

  1283     IN_VM(

  1284       jniCheck::validate_jmethod_id(thr, methodID);

  1285       jniCheck::validate_class(thr, cls, false);

  1286     )

  1287     UNCHECKED()->CallStaticVoidMethodV(env,cls,methodID,args);

  1288     functionExit(env);

  1289 JNI_END

  1291 JNI_ENTRY_CHECKED(void,

  1292   checked_jni_CallStaticVoidMethodA(JNIEnv *env,

  1293                                     jclass cls,

  1294                                     jmethodID methodID,

  1295                                     const jvalue * args))

  1296     functionEnter(thr);

  1297     IN_VM(

  1298       jniCheck::validate_jmethod_id(thr, methodID);

  1299       jniCheck::validate_class(thr, cls, false);

  1300     )

  1301     UNCHECKED()->CallStaticVoidMethodA(env,cls,methodID,args);

  1302     functionExit(env);

  1303 JNI_END

  1305 JNI_ENTRY_CHECKED(jfieldID,

  1306   checked_jni_GetStaticFieldID(JNIEnv *env,

  1307                                jclass clazz,

  1308                                const char *name,

  1309                                const char *sig))

  1310     functionEnter(thr);

  1311     IN_VM(

  1312       jniCheck::validate_class(thr, clazz, false);

  1313     )

  1314     jfieldID result = UNCHECKED()->GetStaticFieldID(env,clazz,name,sig);

  1315     functionExit(env);

  1316     return result;

  1317 JNI_END

  1319 #define WRAPPER_GetStaticField(ReturnType,Result,FieldType) \

  1320 JNI_ENTRY_CHECKED(ReturnType,  \

  1321   checked_jni_GetStatic##Result##Field(JNIEnv *env, \

  1322                                        jclass clazz, \

  1323                                        jfieldID fieldID)) \

  1324     functionEnter(thr); \

  1325     IN_VM( \

  1326       jniCheck::validate_class(thr, clazz, false); \

  1327       checkStaticFieldID(thr, fieldID, clazz, FieldType); \

  1328     ) \

  1329     ReturnType result = UNCHECKED()->GetStatic##Result##Field(env, \

  1330                                                               clazz, \

  1331                                                               fieldID); \

  1332     functionExit(env); \

  1333     return result; \

  1334 JNI_END

  1336 WRAPPER_GetStaticField(jobject,  Object,  T_OBJECT)

  1337 WRAPPER_GetStaticField(jboolean, Boolean, T_BOOLEAN)

  1338 WRAPPER_GetStaticField(jbyte,    Byte,    T_BYTE)

  1339 WRAPPER_GetStaticField(jshort,   Short,   T_SHORT)

  1340 WRAPPER_GetStaticField(jchar,    Char,    T_CHAR)

  1341 WRAPPER_GetStaticField(jint,     Int,     T_INT)

  1342 WRAPPER_GetStaticField(jlong,    Long,    T_LONG)

  1343 WRAPPER_GetStaticField(jfloat,   Float,   T_FLOAT)

  1344 WRAPPER_GetStaticField(jdouble,  Double,  T_DOUBLE)

  1346 #define WRAPPER_SetStaticField(ValueType,Result,FieldType) \

  1347 JNI_ENTRY_CHECKED(void,  \

  1348   checked_jni_SetStatic##Result##Field(JNIEnv *env, \

  1349                                        jclass clazz, \

  1350                                        jfieldID fieldID, \

  1351                                        ValueType value)) \

  1352     functionEnter(thr); \

  1353     IN_VM( \

  1354       jniCheck::validate_class(thr, clazz, false); \

  1355       checkStaticFieldID(thr, fieldID, clazz, FieldType); \

  1356     ) \

  1357     UNCHECKED()->SetStatic##Result##Field(env,clazz,fieldID,value); \

  1358     functionExit(env); \

  1359 JNI_END

  1361 WRAPPER_SetStaticField(jobject,  Object,  T_OBJECT)

  1362 WRAPPER_SetStaticField(jboolean, Boolean, T_BOOLEAN)

  1363 WRAPPER_SetStaticField(jbyte,    Byte,    T_BYTE)

  1364 WRAPPER_SetStaticField(jshort,   Short,   T_SHORT)

  1365 WRAPPER_SetStaticField(jchar,    Char,    T_CHAR)

  1366 WRAPPER_SetStaticField(jint,     Int,     T_INT)

  1367 WRAPPER_SetStaticField(jlong,    Long,    T_LONG)

  1368 WRAPPER_SetStaticField(jfloat,   Float,   T_FLOAT)

  1369 WRAPPER_SetStaticField(jdouble,  Double,  T_DOUBLE)

  1372 JNI_ENTRY_CHECKED(jstring,

  1373   checked_jni_NewString(JNIEnv *env,

  1374                         const jchar *unicode,

  1375                         jsize len))

  1376     functionEnter(thr);

  1377     jstring result = UNCHECKED()->NewString(env,unicode,len);

  1378     functionExit(env);

  1379     return result;

  1380 JNI_END

  1382 JNI_ENTRY_CHECKED(jsize,

  1383   checked_jni_GetStringLength(JNIEnv *env,

  1384                               jstring str))

  1385     functionEnter(thr);

  1386     IN_VM(

  1387       checkString(thr, str);

  1388     )

  1389     jsize result = UNCHECKED()->GetStringLength(env,str);

  1390     functionExit(env);

  1391     return result;

  1392 JNI_END

  1394 // Arbitrary (but well-known) tag

  1395 const void* STRING_TAG = (void*)0x47114711;

  1397 JNI_ENTRY_CHECKED(const jchar *,

  1398   checked_jni_GetStringChars(JNIEnv *env,

  1399                              jstring str,

  1400                              jboolean *isCopy))

  1401     functionEnter(thr);

  1402     IN_VM(

  1403       checkString(thr, str);

  1404     )

  1405     jchar* new_result = NULL;

  1406     const jchar *result = UNCHECKED()->GetStringChars(env,str,isCopy);

  1407     assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringChars didn't return a copy as expected");

  1408     if (result != NULL) {

  1409       size_t len = UNCHECKED()->GetStringLength(env,str) + 1; // + 1 for NULL termination

  1410       len *= sizeof(jchar);

  1411       new_result = (jchar*) GuardedMemory::wrap_copy(result, len, STRING_TAG);

  1412       if (new_result == NULL) {

  1413         vm_exit_out_of_memory(len, OOM_MALLOC_ERROR, "checked_jni_GetStringChars");

  1414       }

  1415       // Avoiding call to UNCHECKED()->ReleaseStringChars() since that will fire unexpected dtrace probes

  1416       // Note that the dtrace arguments for the allocated memory will not match up with this solution.

  1417       FreeHeap((char*)result);

  1418     }

  1419     functionExit(env);

  1420     return new_result;

  1421 JNI_END

  1423 JNI_ENTRY_CHECKED(void,

  1424   checked_jni_ReleaseStringChars(JNIEnv *env,

  1425                                  jstring str,

  1426                                  const jchar *chars))

  1427     functionEnterExceptionAllowed(thr);

  1428     IN_VM(

  1429       checkString(thr, str);

  1430     )

  1431     if (chars == NULL) {

  1432        // still do the unchecked call to allow dtrace probes

  1433        UNCHECKED()->ReleaseStringChars(env,str,chars);

  1434     }

  1435     else {

  1436       GuardedMemory guarded((void*)chars);

  1437       if (!guarded.verify_guards()) {

  1438         tty->print_cr("ReleaseStringChars: release chars failed bounds check. "

  1439             "string: " PTR_FORMAT " chars: " PTR_FORMAT, p2i(str), p2i(chars));

  1440         guarded.print_on(tty);

  1441         NativeReportJNIFatalError(thr, "ReleaseStringChars: "

  1442             "release chars failed bounds check.");

  1443       }

  1444       if (guarded.get_tag() != STRING_TAG) {

  1445         tty->print_cr("ReleaseStringChars: called on something not allocated "

  1446             "by GetStringChars. string: " PTR_FORMAT " chars: " PTR_FORMAT,

  1447             p2i(str), p2i(chars));

  1448         NativeReportJNIFatalError(thr, "ReleaseStringChars called on something "

  1449             "not allocated by GetStringChars");

  1450       }

  1451        UNCHECKED()->ReleaseStringChars(env, str,

  1452            (const jchar*) guarded.release_for_freeing());

  1453     }

  1454     functionExit(env);

  1455 JNI_END

  1457 JNI_ENTRY_CHECKED(jstring,

  1458   checked_jni_NewStringUTF(JNIEnv *env,

  1459                            const char *utf))

  1460     functionEnter(thr);

  1461     jstring result = UNCHECKED()->NewStringUTF(env,utf);

  1462     functionExit(env);

  1463     return result;

  1464 JNI_END

  1466 JNI_ENTRY_CHECKED(jsize,

  1467   checked_jni_GetStringUTFLength(JNIEnv *env,

  1468                                  jstring str))

  1469     functionEnter(thr);

  1470     IN_VM(

  1471       checkString(thr, str);

  1472     )

  1473     jsize result = UNCHECKED()->GetStringUTFLength(env,str);

  1474     functionExit(env);

  1475     return result;

  1476 JNI_END

  1478 // Arbitrary (but well-known) tag - different than GetStringChars

  1479 const void* STRING_UTF_TAG = (void*) 0x48124812;

  1481 JNI_ENTRY_CHECKED(const char *,

  1482   checked_jni_GetStringUTFChars(JNIEnv *env,

  1483                                 jstring str,

  1484                                 jboolean *isCopy))

  1485     functionEnter(thr);

  1486     IN_VM(

  1487       checkString(thr, str);

  1488     )

  1489     char* new_result = NULL;

  1490     const char *result = UNCHECKED()->GetStringUTFChars(env,str,isCopy);

  1491     assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringUTFChars didn't return a copy as expected");

  1492     if (result != NULL) {

  1493       size_t len = strlen(result) + 1; // + 1 for NULL termination

  1494       new_result = (char*) GuardedMemory::wrap_copy(result, len, STRING_UTF_TAG);

  1495       if (new_result == NULL) {

  1496         vm_exit_out_of_memory(len, OOM_MALLOC_ERROR, "checked_jni_GetStringUTFChars");

  1497       }

  1498       // Avoiding call to UNCHECKED()->ReleaseStringUTFChars() since that will fire unexpected dtrace probes

  1499       // Note that the dtrace arguments for the allocated memory will not match up with this solution.

  1500       FreeHeap((char*)result, mtInternal);

  1501     }

  1502     functionExit(env);

  1503     return new_result;

  1504 JNI_END

  1506 JNI_ENTRY_CHECKED(void,

  1507   checked_jni_ReleaseStringUTFChars(JNIEnv *env,

  1508                                     jstring str,

  1509                                     const char* chars))

  1510     functionEnterExceptionAllowed(thr);

  1511     IN_VM(

  1512       checkString(thr, str);

  1513     )

  1514     if (chars == NULL) {

  1515        // still do the unchecked call to allow dtrace probes

  1516        UNCHECKED()->ReleaseStringUTFChars(env,str,chars);

  1517     }

  1518     else {

  1519       GuardedMemory guarded((void*)chars);

  1520       if (!guarded.verify_guards()) {

  1521         tty->print_cr("ReleaseStringUTFChars: release chars failed bounds check. "

  1522             "string: " PTR_FORMAT " chars: " PTR_FORMAT, p2i(str), p2i(chars));

  1523         guarded.print_on(tty);

  1524         NativeReportJNIFatalError(thr, "ReleaseStringUTFChars: "

  1525             "release chars failed bounds check.");

  1526       }

  1527       if (guarded.get_tag() != STRING_UTF_TAG) {

  1528         tty->print_cr("ReleaseStringUTFChars: called on something not "

  1529             "allocated by GetStringUTFChars. string: " PTR_FORMAT " chars: "

  1530             PTR_FORMAT, p2i(str), p2i(chars));

  1531         NativeReportJNIFatalError(thr, "ReleaseStringUTFChars "

  1532             "called on something not allocated by GetStringUTFChars");

  1533       }

  1534       UNCHECKED()->ReleaseStringUTFChars(env, str,

  1535           (const char*) guarded.release_for_freeing());

  1536     }

  1537     functionExit(env);

  1538 JNI_END

  1540 JNI_ENTRY_CHECKED(jsize,

  1541   checked_jni_GetArrayLength(JNIEnv *env,

  1542                              jarray array))

  1543     functionEnter(thr);

  1544     IN_VM(

  1545       check_is_array(thr, array);

  1546     )

  1547     jsize result = UNCHECKED()->GetArrayLength(env,array);

  1548     functionExit(env);

  1549     return result;

  1550 JNI_END

  1552 JNI_ENTRY_CHECKED(jobjectArray,

  1553   checked_jni_NewObjectArray(JNIEnv *env,

  1554                              jsize len,

  1555                              jclass clazz,

  1556                              jobject init))

  1557     functionEnter(thr);

  1558     jobjectArray result = UNCHECKED()->NewObjectArray(env,len,clazz,init);

  1559     functionExit(env);

  1560     return result;

  1561 JNI_END

  1563 JNI_ENTRY_CHECKED(jobject,

  1564   checked_jni_GetObjectArrayElement(JNIEnv *env,

  1565                                     jobjectArray array,

  1566                                     jsize index))

  1567     functionEnter(thr);

  1568     IN_VM(

  1569       check_is_obj_array(thr, array);

  1570     )

  1571     jobject result = UNCHECKED()->GetObjectArrayElement(env,array,index);

  1572     functionExit(env);

  1573     return result;

  1574 JNI_END

  1576 JNI_ENTRY_CHECKED(void,

  1577   checked_jni_SetObjectArrayElement(JNIEnv *env,

  1578                                     jobjectArray array,

  1579                                     jsize index,

  1580                                     jobject val))

  1581     functionEnter(thr);

  1582     IN_VM(

  1583       check_is_obj_array(thr, array);

  1584     )

  1585     UNCHECKED()->SetObjectArrayElement(env,array,index,val);

  1586     functionExit(env);

  1587 JNI_END

  1589 #define WRAPPER_NewScalarArray(Return, Result) \

  1590 JNI_ENTRY_CHECKED(Return, \

  1591   checked_jni_New##Result##Array(JNIEnv *env, \

  1592                                  jsize len)) \

  1593     functionEnter(thr); \

  1594     Return result = UNCHECKED()->New##Result##Array(env,len); \

  1595     functionExit(env); \

  1596     return (Return) result; \

  1597 JNI_END

  1599 WRAPPER_NewScalarArray(jbooleanArray, Boolean)

  1600 WRAPPER_NewScalarArray(jbyteArray, Byte)

  1601 WRAPPER_NewScalarArray(jshortArray, Short)

  1602 WRAPPER_NewScalarArray(jcharArray, Char)

  1603 WRAPPER_NewScalarArray(jintArray, Int)

  1604 WRAPPER_NewScalarArray(jlongArray, Long)

  1605 WRAPPER_NewScalarArray(jfloatArray, Float)

  1606 WRAPPER_NewScalarArray(jdoubleArray, Double)

  1608 #define WRAPPER_GetScalarArrayElements(ElementTag,ElementType,Result) \

  1609 JNI_ENTRY_CHECKED(ElementType *,  \

  1610   checked_jni_Get##Result##ArrayElements(JNIEnv *env, \

  1611                                          ElementType##Array array, \

  1612                                          jboolean *isCopy)) \

  1613     functionEnter(thr); \

  1614     IN_VM( \

  1615       check_primitive_array_type(thr, array, ElementTag); \

  1616     ) \

  1617     ElementType *result = UNCHECKED()->Get##Result##ArrayElements(env, \

  1618                                                                   array, \

  1619                                                                   isCopy); \

  1620     if (result != NULL) { \

  1621       result = (ElementType *) check_jni_wrap_copy_array(thr, array, result); \

  1622     } \

  1623     functionExit(env); \

  1624     return result; \

  1625 JNI_END

  1627 WRAPPER_GetScalarArrayElements(T_BOOLEAN, jboolean, Boolean)

  1628 WRAPPER_GetScalarArrayElements(T_BYTE,    jbyte,    Byte)

  1629 WRAPPER_GetScalarArrayElements(T_SHORT,   jshort,   Short)

  1630 WRAPPER_GetScalarArrayElements(T_CHAR,    jchar,    Char)

  1631 WRAPPER_GetScalarArrayElements(T_INT,     jint,     Int)

  1632 WRAPPER_GetScalarArrayElements(T_LONG,    jlong,    Long)

  1633 WRAPPER_GetScalarArrayElements(T_FLOAT,   jfloat,   Float)

  1634 WRAPPER_GetScalarArrayElements(T_DOUBLE,  jdouble,  Double)

  1636 #define WRAPPER_ReleaseScalarArrayElements(ElementTag,ElementType,Result,Tag) \

  1637 JNI_ENTRY_CHECKED(void,  \

  1638   checked_jni_Release##Result##ArrayElements(JNIEnv *env, \

  1639                                              ElementType##Array array, \

  1640                                              ElementType *elems, \

  1641                                              jint mode)) \

  1642     functionEnterExceptionAllowed(thr); \

  1643     IN_VM( \

  1644       check_primitive_array_type(thr, array, ElementTag); \

  1645       ASSERT_OOPS_ALLOWED; \

  1646       typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \

  1647     ) \

  1648     ElementType* orig_result = (ElementType *) check_wrapped_array_release( \

  1649         thr, "checked_jni_Release"#Result"ArrayElements", array, elems, mode); \

  1650     UNCHECKED()->Release##Result##ArrayElements(env, array, orig_result, mode); \

  1651     functionExit(env); \

  1652 JNI_END

  1654 WRAPPER_ReleaseScalarArrayElements(T_BOOLEAN,jboolean, Boolean, bool)

  1655 WRAPPER_ReleaseScalarArrayElements(T_BYTE,   jbyte,    Byte,    byte)

  1656 WRAPPER_ReleaseScalarArrayElements(T_SHORT,  jshort,   Short,   short)

  1657 WRAPPER_ReleaseScalarArrayElements(T_CHAR,   jchar,    Char,    char)

  1658 WRAPPER_ReleaseScalarArrayElements(T_INT,    jint,     Int,     int)

  1659 WRAPPER_ReleaseScalarArrayElements(T_LONG,   jlong,    Long,    long)

  1660 WRAPPER_ReleaseScalarArrayElements(T_FLOAT,  jfloat,   Float,   float)

  1661 WRAPPER_ReleaseScalarArrayElements(T_DOUBLE, jdouble,  Double,  double)

  1663 #define WRAPPER_GetScalarArrayRegion(ElementTag,ElementType,Result) \

  1664 JNI_ENTRY_CHECKED(void,  \

  1665   checked_jni_Get##Result##ArrayRegion(JNIEnv *env, \

  1666                                        ElementType##Array array, \

  1667                                        jsize start, \

  1668                                        jsize len, \

  1669                                        ElementType *buf)) \

  1670     functionEnter(thr); \

  1671     IN_VM( \

  1672       check_primitive_array_type(thr, array, ElementTag); \

  1673     ) \

  1674     UNCHECKED()->Get##Result##ArrayRegion(env,array,start,len,buf); \

  1675     functionExit(env); \

  1676 JNI_END

  1678 WRAPPER_GetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean)

  1679 WRAPPER_GetScalarArrayRegion(T_BYTE,    jbyte,    Byte)

  1680 WRAPPER_GetScalarArrayRegion(T_SHORT,   jshort,   Short)

  1681 WRAPPER_GetScalarArrayRegion(T_CHAR,    jchar,    Char)

  1682 WRAPPER_GetScalarArrayRegion(T_INT,     jint,     Int)

  1683 WRAPPER_GetScalarArrayRegion(T_LONG,    jlong,    Long)

  1684 WRAPPER_GetScalarArrayRegion(T_FLOAT,   jfloat,   Float)

  1685 WRAPPER_GetScalarArrayRegion(T_DOUBLE,  jdouble,  Double)

  1687 #define WRAPPER_SetScalarArrayRegion(ElementTag,ElementType,Result) \

  1688 JNI_ENTRY_CHECKED(void,  \

  1689   checked_jni_Set##Result##ArrayRegion(JNIEnv *env, \

  1690                                        ElementType##Array array, \

  1691                                        jsize start, \

  1692                                        jsize len, \

  1693                                        const ElementType *buf)) \

  1694     functionEnter(thr); \

  1695     IN_VM( \

  1696       check_primitive_array_type(thr, array, ElementTag); \

  1697     ) \

  1698     UNCHECKED()->Set##Result##ArrayRegion(env,array,start,len,buf); \

  1699     functionExit(env); \

  1700 JNI_END

  1702 WRAPPER_SetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean)

  1703 WRAPPER_SetScalarArrayRegion(T_BYTE,    jbyte,    Byte)

  1704 WRAPPER_SetScalarArrayRegion(T_SHORT,   jshort,   Short)

  1705 WRAPPER_SetScalarArrayRegion(T_CHAR,    jchar,    Char)

  1706 WRAPPER_SetScalarArrayRegion(T_INT,     jint,     Int)

  1707 WRAPPER_SetScalarArrayRegion(T_LONG,    jlong,    Long)

  1708 WRAPPER_SetScalarArrayRegion(T_FLOAT,   jfloat,   Float)

  1709 WRAPPER_SetScalarArrayRegion(T_DOUBLE,  jdouble,  Double)

  1711 JNI_ENTRY_CHECKED(jint,

  1712   checked_jni_RegisterNatives(JNIEnv *env,

  1713                               jclass clazz,

  1714                               const JNINativeMethod *methods,

  1715                               jint nMethods))

  1716     functionEnter(thr);

  1717     jint result = UNCHECKED()->RegisterNatives(env,clazz,methods,nMethods);

  1718     functionExit(env);

  1719     return result;

  1720 JNI_END

  1722 JNI_ENTRY_CHECKED(jint,

  1723   checked_jni_UnregisterNatives(JNIEnv *env,

  1724                                 jclass clazz))

  1725     functionEnter(thr);

  1726     jint result = UNCHECKED()->UnregisterNatives(env,clazz);

  1727     functionExit(env);

  1728     return result;

  1729 JNI_END

  1731 JNI_ENTRY_CHECKED(jint,

  1732   checked_jni_MonitorEnter(JNIEnv *env,

  1733                            jobject obj))

  1734     functionEnter(thr);

  1735     IN_VM(

  1736       jniCheck::validate_object(thr, obj);

  1737     )

  1738     jint result = UNCHECKED()->MonitorEnter(env,obj);

  1739     functionExit(env);

  1740     return result;

  1741 JNI_END

  1743 JNI_ENTRY_CHECKED(jint,

  1744   checked_jni_MonitorExit(JNIEnv *env,

  1745                           jobject obj))

  1746     functionEnterExceptionAllowed(thr);

  1747     IN_VM(

  1748       jniCheck::validate_object(thr, obj);

  1749     )

  1750     jint result = UNCHECKED()->MonitorExit(env,obj);

  1751     functionExit(env);

  1752     return result;

  1753 JNI_END

  1755 JNI_ENTRY_CHECKED(jint,

  1756   checked_jni_GetJavaVM(JNIEnv *env,

  1757                         JavaVM **vm))

  1758     functionEnter(thr);

  1759     jint result = UNCHECKED()->GetJavaVM(env,vm);

  1760     functionExit(env);

  1761     return result;

  1762 JNI_END

  1764 JNI_ENTRY_CHECKED(void,

  1765   checked_jni_GetStringRegion(JNIEnv *env,

  1766                               jstring str,

  1767                               jsize start,

  1768                               jsize len,

  1769                               jchar *buf))

  1770     functionEnter(thr);

  1771     IN_VM(

  1772       checkString(thr, str);

  1773     )

  1774     UNCHECKED()->GetStringRegion(env, str, start, len, buf);

  1775     functionExit(env);

  1776 JNI_END

  1778 JNI_ENTRY_CHECKED(void,

  1779   checked_jni_GetStringUTFRegion(JNIEnv *env,

  1780                                  jstring str,

  1781                                  jsize start,

  1782                                  jsize len,

  1783                                  char *buf))

  1784     functionEnter(thr);

  1785     IN_VM(

  1786       checkString(thr, str);

  1787     )

  1788     UNCHECKED()->GetStringUTFRegion(env, str, start, len, buf);

  1789     functionExit(env);

  1790 JNI_END

  1792 JNI_ENTRY_CHECKED(void *,

  1793   checked_jni_GetPrimitiveArrayCritical(JNIEnv *env,

  1794                                         jarray array,

  1795                                         jboolean *isCopy))

  1796     functionEnterCritical(thr);

  1797     IN_VM(

  1798       check_is_primitive_array(thr, array);

  1799     )

  1800     void *result = UNCHECKED()->GetPrimitiveArrayCritical(env, array, isCopy);

  1801     if (result != NULL) {

  1802       result = check_jni_wrap_copy_array(thr, array, result);

  1803     }

  1804     functionExit(env);

  1805     return result;

  1806 JNI_END

  1808 JNI_ENTRY_CHECKED(void,

  1809   checked_jni_ReleasePrimitiveArrayCritical(JNIEnv *env,

  1810                                             jarray array,

  1811                                             void *carray,

  1812                                             jint mode))

  1813     functionEnterCriticalExceptionAllowed(thr);

  1814     IN_VM(

  1815       check_is_primitive_array(thr, array);

  1816     )

  1817     // Check the element array...

  1818     void* orig_result = check_wrapped_array_release(thr, "ReleasePrimitiveArrayCritical", array, carray, mode);

  1819     UNCHECKED()->ReleasePrimitiveArrayCritical(env, array, orig_result, mode);

  1820     functionExit(env);

  1821 JNI_END

  1823 JNI_ENTRY_CHECKED(const jchar*,

  1824   checked_jni_GetStringCritical(JNIEnv *env,

  1825                                 jstring string,

  1826                                 jboolean *isCopy))

  1827     functionEnterCritical(thr);

  1828     IN_VM(

  1829       checkString(thr, string);

  1830     )

  1831     const jchar *result = UNCHECKED()->GetStringCritical(env, string, isCopy);

  1832     functionExit(env);

  1833     return result;

  1834 JNI_END

  1836 JNI_ENTRY_CHECKED(void,

  1837   checked_jni_ReleaseStringCritical(JNIEnv *env,

  1838                                     jstring str,

  1839                                     const jchar *chars))

  1840     functionEnterCriticalExceptionAllowed(thr);

  1841     IN_VM(

  1842       checkString(thr, str);

  1843     )

  1844     /* The Hotspot JNI code does not use the parameters, so just check the

  1845      * string parameter as a minor sanity check

  1846      */

  1847     UNCHECKED()->ReleaseStringCritical(env, str, chars);

  1848     functionExit(env);

  1849 JNI_END

  1851 JNI_ENTRY_CHECKED(jweak,

  1852   checked_jni_NewWeakGlobalRef(JNIEnv *env,

  1853                                jobject obj))

  1854     functionEnter(thr);

  1855     IN_VM(

  1856       if (obj != NULL) {

  1857         jniCheck::validate_handle(thr, obj);

  1858       }

  1859     )

  1860     jweak result = UNCHECKED()->NewWeakGlobalRef(env, obj);

  1861     functionExit(env);

  1862     return result;

  1863 JNI_END

  1865 JNI_ENTRY_CHECKED(void,

  1866   checked_jni_DeleteWeakGlobalRef(JNIEnv *env,

  1867                                   jweak ref))

  1868     functionEnterExceptionAllowed(thr);

  1869     UNCHECKED()->DeleteWeakGlobalRef(env, ref);

  1870     functionExit(env);

  1871 JNI_END

  1873 JNI_ENTRY_CHECKED(jboolean,

  1874   checked_jni_ExceptionCheck(JNIEnv *env))

  1875     functionEnterExceptionAllowed(thr);

  1876     jboolean result = UNCHECKED()->ExceptionCheck(env);

  1877     functionExit(env);

  1878     return result;

  1879 JNI_END

  1881 JNI_ENTRY_CHECKED(jobject,

  1882   checked_jni_NewDirectByteBuffer(JNIEnv *env,

  1883                                   void *address,

  1884                                   jlong capacity))

  1885     functionEnter(thr);

  1886     jobject result = UNCHECKED()->NewDirectByteBuffer(env, address, capacity);

  1887     functionExit(env);

  1888     return result;

  1889 JNI_END

  1891 JNI_ENTRY_CHECKED(void *,

  1892   checked_jni_GetDirectBufferAddress(JNIEnv *env,

  1893                                      jobject buf))

  1894     functionEnter(thr);

  1895     void* result = UNCHECKED()->GetDirectBufferAddress(env, buf);

  1896     functionExit(env);

  1897     return result;

  1898 JNI_END

  1900 JNI_ENTRY_CHECKED(jlong,

  1901   checked_jni_GetDirectBufferCapacity(JNIEnv *env,

  1902                                       jobject buf))

  1903     functionEnter(thr);

  1904     jlong result = UNCHECKED()->GetDirectBufferCapacity(env, buf);

  1905     functionExit(env);

  1906     return result;

  1907 JNI_END

  1909 JNI_ENTRY_CHECKED(jobjectRefType,

  1910   checked_jni_GetObjectRefType(JNIEnv *env,

  1911                                jobject obj))

  1912     functionEnter(thr);

  1913     /* validate the object being passed */

  1914     IN_VM(

  1915       jniCheck::validate_object(thr, obj);

  1916     )

  1917     jobjectRefType result = UNCHECKED()->GetObjectRefType(env, obj);

  1918     functionExit(env);

  1919     return result;

  1920 JNI_END

  1923 JNI_ENTRY_CHECKED(jint,

  1924   checked_jni_GetVersion(JNIEnv *env))

  1925     functionEnter(thr);

  1926     jint result = UNCHECKED()->GetVersion(env);

  1927     functionExit(env);

  1928     return result;

  1929 JNI_END

  1933 /*

  1934  * Structure containing all checked jni functions

  1935  */

  1936 struct JNINativeInterface_  checked_jni_NativeInterface = {

  1937     NULL,

  1938     NULL,

  1939     NULL,

  1941     NULL,

  1943     checked_jni_GetVersion,

  1945     checked_jni_DefineClass,

  1946     checked_jni_FindClass,

  1948     checked_jni_FromReflectedMethod,

  1949     checked_jni_FromReflectedField,

  1951     checked_jni_ToReflectedMethod,

  1953     checked_jni_GetSuperclass,

  1954     checked_jni_IsAssignableFrom,

  1956     checked_jni_ToReflectedField,

  1958     checked_jni_Throw,

  1959     checked_jni_ThrowNew,

  1960     checked_jni_ExceptionOccurred,

  1961     checked_jni_ExceptionDescribe,

  1962     checked_jni_ExceptionClear,

  1963     checked_jni_FatalError,

  1965     checked_jni_PushLocalFrame,

  1966     checked_jni_PopLocalFrame,

  1968     checked_jni_NewGlobalRef,

  1969     checked_jni_DeleteGlobalRef,

  1970     checked_jni_DeleteLocalRef,

  1971     checked_jni_IsSameObject,

  1973     checked_jni_NewLocalRef,

  1974     checked_jni_EnsureLocalCapacity,

  1976     checked_jni_AllocObject,

  1977     checked_jni_NewObject,

  1978     checked_jni_NewObjectV,

  1979     checked_jni_NewObjectA,

  1981     checked_jni_GetObjectClass,

  1982     checked_jni_IsInstanceOf,

  1984     checked_jni_GetMethodID,

  1986     checked_jni_CallObjectMethod,

  1987     checked_jni_CallObjectMethodV,

  1988     checked_jni_CallObjectMethodA,

  1989     checked_jni_CallBooleanMethod,

  1990     checked_jni_CallBooleanMethodV,

  1991     checked_jni_CallBooleanMethodA,

  1992     checked_jni_CallByteMethod,

  1993     checked_jni_CallByteMethodV,

  1994     checked_jni_CallByteMethodA,

  1995     checked_jni_CallCharMethod,

  1996     checked_jni_CallCharMethodV,

  1997     checked_jni_CallCharMethodA,

  1998     checked_jni_CallShortMethod,

  1999     checked_jni_CallShortMethodV,

  2000     checked_jni_CallShortMethodA,

  2001     checked_jni_CallIntMethod,

  2002     checked_jni_CallIntMethodV,

  2003     checked_jni_CallIntMethodA,

  2004     checked_jni_CallLongMethod,

  2005     checked_jni_CallLongMethodV,

  2006     checked_jni_CallLongMethodA,

  2007     checked_jni_CallFloatMethod,

  2008     checked_jni_CallFloatMethodV,

  2009     checked_jni_CallFloatMethodA,

  2010     checked_jni_CallDoubleMethod,

  2011     checked_jni_CallDoubleMethodV,

  2012     checked_jni_CallDoubleMethodA,

  2013     checked_jni_CallVoidMethod,

  2014     checked_jni_CallVoidMethodV,

  2015     checked_jni_CallVoidMethodA,

  2017     checked_jni_CallNonvirtualObjectMethod,

  2018     checked_jni_CallNonvirtualObjectMethodV,

  2019     checked_jni_CallNonvirtualObjectMethodA,

  2020     checked_jni_CallNonvirtualBooleanMethod,

  2021     checked_jni_CallNonvirtualBooleanMethodV,

  2022     checked_jni_CallNonvirtualBooleanMethodA,

  2023     checked_jni_CallNonvirtualByteMethod,

  2024     checked_jni_CallNonvirtualByteMethodV,

  2025     checked_jni_CallNonvirtualByteMethodA,

  2026     checked_jni_CallNonvirtualCharMethod,

  2027     checked_jni_CallNonvirtualCharMethodV,

  2028     checked_jni_CallNonvirtualCharMethodA,

  2029     checked_jni_CallNonvirtualShortMethod,

  2030     checked_jni_CallNonvirtualShortMethodV,

  2031     checked_jni_CallNonvirtualShortMethodA,

  2032     checked_jni_CallNonvirtualIntMethod,

  2033     checked_jni_CallNonvirtualIntMethodV,

  2034     checked_jni_CallNonvirtualIntMethodA,

  2035     checked_jni_CallNonvirtualLongMethod,

  2036     checked_jni_CallNonvirtualLongMethodV,

  2037     checked_jni_CallNonvirtualLongMethodA,

  2038     checked_jni_CallNonvirtualFloatMethod,

  2039     checked_jni_CallNonvirtualFloatMethodV,

  2040     checked_jni_CallNonvirtualFloatMethodA,

  2041     checked_jni_CallNonvirtualDoubleMethod,

  2042     checked_jni_CallNonvirtualDoubleMethodV,

  2043     checked_jni_CallNonvirtualDoubleMethodA,

  2044     checked_jni_CallNonvirtualVoidMethod,

  2045     checked_jni_CallNonvirtualVoidMethodV,

  2046     checked_jni_CallNonvirtualVoidMethodA,

  2048     checked_jni_GetFieldID,

  2050     checked_jni_GetObjectField,

  2051     checked_jni_GetBooleanField,

  2052     checked_jni_GetByteField,

  2053     checked_jni_GetCharField,

  2054     checked_jni_GetShortField,

  2055     checked_jni_GetIntField,

  2056     checked_jni_GetLongField,

  2057     checked_jni_GetFloatField,

  2058     checked_jni_GetDoubleField,

  2060     checked_jni_SetObjectField,

  2061     checked_jni_SetBooleanField,

  2062     checked_jni_SetByteField,

  2063     checked_jni_SetCharField,

  2064     checked_jni_SetShortField,

  2065     checked_jni_SetIntField,

  2066     checked_jni_SetLongField,

  2067     checked_jni_SetFloatField,

  2068     checked_jni_SetDoubleField,

  2070     checked_jni_GetStaticMethodID,

  2072     checked_jni_CallStaticObjectMethod,

  2073     checked_jni_CallStaticObjectMethodV,

  2074     checked_jni_CallStaticObjectMethodA,

  2075     checked_jni_CallStaticBooleanMethod,

  2076     checked_jni_CallStaticBooleanMethodV,

  2077     checked_jni_CallStaticBooleanMethodA,

  2078     checked_jni_CallStaticByteMethod,

  2079     checked_jni_CallStaticByteMethodV,

  2080     checked_jni_CallStaticByteMethodA,

  2081     checked_jni_CallStaticCharMethod,

  2082     checked_jni_CallStaticCharMethodV,

  2083     checked_jni_CallStaticCharMethodA,

  2084     checked_jni_CallStaticShortMethod,

  2085     checked_jni_CallStaticShortMethodV,

  2086     checked_jni_CallStaticShortMethodA,

  2087     checked_jni_CallStaticIntMethod,

  2088     checked_jni_CallStaticIntMethodV,

  2089     checked_jni_CallStaticIntMethodA,

  2090     checked_jni_CallStaticLongMethod,

  2091     checked_jni_CallStaticLongMethodV,

  2092     checked_jni_CallStaticLongMethodA,

  2093     checked_jni_CallStaticFloatMethod,

  2094     checked_jni_CallStaticFloatMethodV,

  2095     checked_jni_CallStaticFloatMethodA,

  2096     checked_jni_CallStaticDoubleMethod,

  2097     checked_jni_CallStaticDoubleMethodV,

  2098     checked_jni_CallStaticDoubleMethodA,

  2099     checked_jni_CallStaticVoidMethod,

  2100     checked_jni_CallStaticVoidMethodV,

  2101     checked_jni_CallStaticVoidMethodA,

  2103     checked_jni_GetStaticFieldID,

  2105     checked_jni_GetStaticObjectField,

  2106     checked_jni_GetStaticBooleanField,

  2107     checked_jni_GetStaticByteField,

  2108     checked_jni_GetStaticCharField,

  2109     checked_jni_GetStaticShortField,

  2110     checked_jni_GetStaticIntField,

  2111     checked_jni_GetStaticLongField,

  2112     checked_jni_GetStaticFloatField,

  2113     checked_jni_GetStaticDoubleField,

  2115     checked_jni_SetStaticObjectField,

  2116     checked_jni_SetStaticBooleanField,

  2117     checked_jni_SetStaticByteField,

  2118     checked_jni_SetStaticCharField,

  2119     checked_jni_SetStaticShortField,

  2120     checked_jni_SetStaticIntField,

  2121     checked_jni_SetStaticLongField,

  2122     checked_jni_SetStaticFloatField,

  2123     checked_jni_SetStaticDoubleField,

  2125     checked_jni_NewString,

  2126     checked_jni_GetStringLength,

  2127     checked_jni_GetStringChars,

  2128     checked_jni_ReleaseStringChars,

  2130     checked_jni_NewStringUTF,

  2131     checked_jni_GetStringUTFLength,

  2132     checked_jni_GetStringUTFChars,

  2133     checked_jni_ReleaseStringUTFChars,

  2135     checked_jni_GetArrayLength,

  2137     checked_jni_NewObjectArray,

  2138     checked_jni_GetObjectArrayElement,

  2139     checked_jni_SetObjectArrayElement,

  2141     checked_jni_NewBooleanArray,

  2142     checked_jni_NewByteArray,

  2143     checked_jni_NewCharArray,

  2144     checked_jni_NewShortArray,

  2145     checked_jni_NewIntArray,

  2146     checked_jni_NewLongArray,

  2147     checked_jni_NewFloatArray,

  2148     checked_jni_NewDoubleArray,

  2150     checked_jni_GetBooleanArrayElements,

  2151     checked_jni_GetByteArrayElements,

  2152     checked_jni_GetCharArrayElements,

  2153     checked_jni_GetShortArrayElements,

  2154     checked_jni_GetIntArrayElements,

  2155     checked_jni_GetLongArrayElements,

  2156     checked_jni_GetFloatArrayElements,

  2157     checked_jni_GetDoubleArrayElements,

  2159     checked_jni_ReleaseBooleanArrayElements,

  2160     checked_jni_ReleaseByteArrayElements,

  2161     checked_jni_ReleaseCharArrayElements,

  2162     checked_jni_ReleaseShortArrayElements,

  2163     checked_jni_ReleaseIntArrayElements,

  2164     checked_jni_ReleaseLongArrayElements,

  2165     checked_jni_ReleaseFloatArrayElements,

  2166     checked_jni_ReleaseDoubleArrayElements,

  2168     checked_jni_GetBooleanArrayRegion,

  2169     checked_jni_GetByteArrayRegion,

  2170     checked_jni_GetCharArrayRegion,

  2171     checked_jni_GetShortArrayRegion,

  2172     checked_jni_GetIntArrayRegion,

  2173     checked_jni_GetLongArrayRegion,

  2174     checked_jni_GetFloatArrayRegion,

  2175     checked_jni_GetDoubleArrayRegion,

  2177     checked_jni_SetBooleanArrayRegion,

  2178     checked_jni_SetByteArrayRegion,

  2179     checked_jni_SetCharArrayRegion,

  2180     checked_jni_SetShortArrayRegion,

  2181     checked_jni_SetIntArrayRegion,

  2182     checked_jni_SetLongArrayRegion,

  2183     checked_jni_SetFloatArrayRegion,

  2184     checked_jni_SetDoubleArrayRegion,

  2186     checked_jni_RegisterNatives,

  2187     checked_jni_UnregisterNatives,

  2189     checked_jni_MonitorEnter,

  2190     checked_jni_MonitorExit,

  2192     checked_jni_GetJavaVM,

  2194     checked_jni_GetStringRegion,

  2195     checked_jni_GetStringUTFRegion,

  2197     checked_jni_GetPrimitiveArrayCritical,

  2198     checked_jni_ReleasePrimitiveArrayCritical,

  2200     checked_jni_GetStringCritical,

  2201     checked_jni_ReleaseStringCritical,

  2203     checked_jni_NewWeakGlobalRef,

  2204     checked_jni_DeleteWeakGlobalRef,

  2206     checked_jni_ExceptionCheck,

  2208     checked_jni_NewDirectByteBuffer,

  2209     checked_jni_GetDirectBufferAddress,

  2210     checked_jni_GetDirectBufferCapacity,

  2212     // New 1.6 Features

  2214     checked_jni_GetObjectRefType

  2215 };

  2218 // Returns the function structure

  2219 struct JNINativeInterface_* jni_functions_check() {

  2221   unchecked_jni_NativeInterface = jni_functions_nocheck();

  2223   // make sure the last pointer in the checked table is not null, indicating

  2224   // an addition to the JNINativeInterface_ structure without initializing

  2225   // it in the checked table.

  2226   debug_only(int *lastPtr = (int *)((char *)&checked_jni_NativeInterface + \

  2227              sizeof(*unchecked_jni_NativeInterface) - sizeof(char *));)

  2228   assert(*lastPtr != 0,

  2229          "Mismatched JNINativeInterface tables, check for new entries");

  2231   // with -verbose:jni this message will print

  2232   if (PrintJNIResolving) {

  2233     tty->print_cr("Checked JNI functions are being used to " \

  2234                   "validate JNI usage");

  2235   }

  2237   return &checked_jni_NativeInterface;

  2238 }

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

src/share/vm/prims/jniCheck.cpp@7ae4e26cb1e0

src/share/vm/prims/jniCheck.cpp