CoCalc -- jniCheck.cpp

GitHub Repository: PojavLauncherTeam/mobile
Path: blob/master/src/hotspot/share/prims/jniCheck.cpp
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/*
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 * Copyright (c) 2001, 2021, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#include "precompiled.hpp"
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#include "jni.h"
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#include "jvm.h"
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#include "classfile/javaClasses.inline.hpp"
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#include "classfile/vmClasses.hpp"
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#include "classfile/vmSymbols.hpp"
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#include "logging/log.hpp"
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#include "logging/logTag.hpp"
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#include "memory/allocation.inline.hpp"
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#include "memory/guardedMemory.hpp"
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#include "oops/instanceKlass.hpp"
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#include "oops/oop.inline.hpp"
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#include "oops/symbol.hpp"
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#include "prims/jniCheck.hpp"
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#include "prims/jvm_misc.hpp"
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#include "runtime/fieldDescriptor.inline.hpp"
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#include "runtime/handles.inline.hpp"
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#include "runtime/interfaceSupport.inline.hpp"
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#include "runtime/jfieldIDWorkaround.hpp"
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#include "runtime/jniHandles.inline.hpp"
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#include "runtime/thread.inline.hpp"
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#include "utilities/formatBuffer.hpp"
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#include "utilities/utf8.hpp"
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// Complain every extra number of unplanned local refs
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#define CHECK_JNI_LOCAL_REF_CAP_WARN_THRESHOLD 32
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// Heap objects are allowed to be directly referenced only in VM code,
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// not in native code.
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#define ASSERT_OOPS_ALLOWED                                          \
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    assert(JavaThread::current()->thread_state() == _thread_in_vm,   \
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           "jniCheck examining oops in bad state.")
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// Execute the given block of source code with the thread in VM state.
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// To do this, transition from the NATIVE state to the VM state, execute
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// the code, and transtition back.  The ThreadInVMfromNative constructor
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// performs the transition to VM state, its destructor restores the
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// NATIVE state.
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#define IN_VM(source_code)   {                                         \
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    {                                                                  \
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      ThreadInVMfromNative __tiv(thr);                                 \
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      source_code                                                      \
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    }                                                                  \
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  }
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73

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/*
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 * DECLARATIONS
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 */
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static struct JNINativeInterface_ * unchecked_jni_NativeInterface;
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80

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/*
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 * MACRO DEFINITIONS
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 */
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// All JNI checked functions here use JNI_ENTRY_CHECKED() instead of the
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// QUICK_ENTRY or LEAF variants found in jni.cpp.  This allows handles
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// to be created if a fatal error should occur.
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// Check for thread not attached to VM;  need to catch this before
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// assertions in the wrapper routines might fire
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// Check for env being the one value appropriate for this thread.
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#define JNI_ENTRY_CHECKED(result_type, header)                           \
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extern "C" {                                                             \
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  result_type JNICALL header {                                           \
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    Thread* cur = Thread::current_or_null();                             \
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    if (cur == NULL || !cur->is_Java_thread()) {                         \
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      tty->print_cr("%s", fatal_using_jnienv_in_nonjava);                \
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      os::abort(true);                                                   \
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    }                                                                    \
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    JavaThread* thr = cur->as_Java_thread();                             \
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    JNIEnv* xenv = thr->jni_environment();                               \
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    if (env != xenv) {                                                   \
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      NativeReportJNIFatalError(thr, warn_wrong_jnienv);                 \
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    }                                                                    \
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    MACOS_AARCH64_ONLY(ThreadWXEnable __wx(WXWrite, thr));         \
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    VM_ENTRY_BASE(result_type, header, thr)
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#define UNCHECKED() (unchecked_jni_NativeInterface)
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static const char * warn_wrong_jnienv = "Using JNIEnv in the wrong thread";
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static const char * warn_bad_class_descriptor1 = "JNI FindClass received a bad class descriptor \"";
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static const char * warn_bad_class_descriptor2 = "\".  A correct class descriptor " \
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  "has no leading \"L\" or trailing \";\".  Incorrect descriptors will not be accepted in future releases.";
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static const char * fatal_using_jnienv_in_nonjava = "FATAL ERROR in native method: Using JNIEnv in non-Java thread";
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static const char * warn_other_function_in_critical = "Warning: Calling other JNI functions in the scope of " \
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  "Get/ReleasePrimitiveArrayCritical or Get/ReleaseStringCritical";
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static const char * fatal_bad_ref_to_jni = "Bad global or local ref passed to JNI";
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static const char * fatal_received_null_class = "JNI received a null class";
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static const char * fatal_class_not_a_class = "JNI received a class argument that is not a class";
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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";
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static const char * fatal_wrong_class_or_method = "Wrong object class or methodID passed to JNI call";
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static const char * fatal_non_weak_method = "non-weak methodID passed to JNI call";
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static const char * fatal_unknown_array_object = "Unknown array object passed to JNI array operations";
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static const char * fatal_object_array_expected = "Object array expected but not received for JNI array operation";
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static const char * fatal_prim_type_array_expected = "Primitive type array expected but not received for JNI array operation";
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static const char * fatal_non_array  = "Non-array passed to JNI array operations";
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static const char * fatal_element_type_mismatch = "Array element type mismatch in JNI";
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static const char * fatal_should_be_static = "Non-static field ID passed to JNI";
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static const char * fatal_wrong_static_field = "Wrong static field ID passed to JNI";
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static const char * fatal_static_field_not_found = "Static field not found in JNI get/set field operations";
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static const char * fatal_static_field_mismatch = "Field type (static) mismatch in JNI get/set field operations";
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static const char * fatal_should_be_nonstatic = "Static field ID passed to JNI";
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static const char * fatal_null_object = "Null object passed to JNI";
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static const char * fatal_wrong_field = "Wrong field ID passed to JNI";
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static const char * fatal_instance_field_not_found = "Instance field not found in JNI get/set field operations";
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static const char * fatal_instance_field_mismatch = "Field type (instance) mismatch in JNI get/set field operations";
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static const char * fatal_non_string = "JNI string operation received a non-string";
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static const char * fatal_non_utf8_class_name1 = "JNI class name is not a valid UTF8 string \"";
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static const char * fatal_non_utf8_class_name2 = "\"";
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// When in VM state:
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static void ReportJNIWarning(JavaThread* thr, const char *msg) {
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  tty->print_cr("WARNING in native method: %s", msg);
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  thr->print_stack();
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}
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// When in NATIVE state:
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static void NativeReportJNIFatalError(JavaThread* thr, const char *msg) {
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  IN_VM(
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    ReportJNIFatalError(thr, msg);
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  )
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}
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static void NativeReportJNIWarning(JavaThread* thr, const char *msg) {
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  IN_VM(
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    ReportJNIWarning(thr, msg);
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  )
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}
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166

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/*
168
 * SUPPORT FUNCTIONS
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 */
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/**
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 * Check whether or not a programmer has actually checked for exceptions. According
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 * to the JNI Specification ("jni/spec/design.html#java_exceptions"):
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 *
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 * There are two cases where the programmer needs to check for exceptions without
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 * being able to first check an error code:
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 *
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 * - The JNI functions that invoke a Java method return the result of the Java method.
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 * The programmer must call ExceptionOccurred() to check for possible exceptions
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 * that occurred during the execution of the Java method.
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 *
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 * - Some of the JNI array access functions do not return an error code, but may
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 * throw an ArrayIndexOutOfBoundsException or ArrayStoreException.
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 *
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 * In all other cases, a non-error return value guarantees that no exceptions have been thrown.
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 *
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 * Programmers often defend against ArrayIndexOutOfBoundsException, so warning
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 * for these functions would be pedantic.
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 */
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static inline void
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check_pending_exception(JavaThread* thr) {
192
  if (thr->has_pending_exception()) {
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    NativeReportJNIWarning(thr, "JNI call made with exception pending");
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  }
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  if (thr->is_pending_jni_exception_check()) {
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    IN_VM(
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      tty->print_cr("WARNING in native method: JNI call made without checking exceptions when required to from %s",
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        thr->get_pending_jni_exception_check());
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      thr->print_stack();
200
    )
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    thr->clear_pending_jni_exception_check(); // Just complain once
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  }
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}
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/**
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 * Add to the planned number of handles. I.e. plus current live & warning threshold
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 */
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static inline void
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add_planned_handle_capacity(JNIHandleBlock* handles, size_t capacity) {
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  handles->set_planned_capacity(capacity +
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                                handles->get_number_of_live_handles() +
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                                CHECK_JNI_LOCAL_REF_CAP_WARN_THRESHOLD);
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}
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static inline void
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functionEnterCritical(JavaThread* thr)
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{
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  check_pending_exception(thr);
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}
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static inline void
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functionEnterCriticalExceptionAllowed(JavaThread* thr)
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{
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}
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static inline void
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functionEnter(JavaThread* thr)
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{
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  if (thr->in_critical()) {
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    tty->print_cr("%s", warn_other_function_in_critical);
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  }
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  check_pending_exception(thr);
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}
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static inline void
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functionEnterExceptionAllowed(JavaThread* thr)
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{
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  if (thr->in_critical()) {
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    tty->print_cr("%s", warn_other_function_in_critical);
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  }
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}
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static inline void
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functionExit(JavaThread* thr)
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{
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  JNIHandleBlock* handles = thr->active_handles();
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  size_t planned_capacity = handles->get_planned_capacity();
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  size_t live_handles = handles->get_number_of_live_handles();
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  if (live_handles > planned_capacity) {
251
    IN_VM(
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      tty->print_cr("WARNING: JNI local refs: " SIZE_FORMAT ", exceeds capacity: " SIZE_FORMAT,
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                    live_handles, planned_capacity);
254
      thr->print_stack();
255
    )
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    // Complain just the once, reset to current + warn threshold
257
    add_planned_handle_capacity(handles, 0);
258
  }
259
}
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261
static inline void
262
checkStaticFieldID(JavaThread* thr, jfieldID fid, jclass cls, int ftype)
263
{
264
  fieldDescriptor fd;
265

266
  /* make sure it is a static field */
267
  if (!jfieldIDWorkaround::is_static_jfieldID(fid))
268
    ReportJNIFatalError(thr, fatal_should_be_static);
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270
  /* validate the class being passed */
271
  ASSERT_OOPS_ALLOWED;
272
  Klass* k_oop = jniCheck::validate_class(thr, cls, false);
273

274
  /* check for proper subclass hierarchy */
275
  JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fid);
276
  Klass* f_oop = id->holder();
277
  if (!k_oop->is_subtype_of(f_oop))
278
    ReportJNIFatalError(thr, fatal_wrong_static_field);
279

280
  /* check for proper field type */
281
  if (!id->find_local_field(&fd))
282
    ReportJNIFatalError(thr, fatal_static_field_not_found);
283
  if ((fd.field_type() != ftype) &&
284
      !(fd.field_type() == T_ARRAY && ftype == T_OBJECT)) {
285
    ReportJNIFatalError(thr, fatal_static_field_mismatch);
286
  }
287
}
288

289
static inline void
290
checkInstanceFieldID(JavaThread* thr, jfieldID fid, jobject obj, int ftype)
291
{
292
  fieldDescriptor fd;
293

294
  /* make sure it is an instance field */
295
  if (jfieldIDWorkaround::is_static_jfieldID(fid))
296
    ReportJNIFatalError(thr, fatal_should_be_nonstatic);
297

298
  /* validate the object being passed and then get its class */
299
  ASSERT_OOPS_ALLOWED;
300
  oop oopObj = jniCheck::validate_object(thr, obj);
301
  if (oopObj == NULL) {
302
    ReportJNIFatalError(thr, fatal_null_object);
303
  }
304
  Klass* k_oop = oopObj->klass();
305

306
  if (!jfieldIDWorkaround::is_valid_jfieldID(k_oop, fid)) {
307
    ReportJNIFatalError(thr, fatal_wrong_field);
308
  }
309

310
  /* make sure the field exists */
311
  int offset = jfieldIDWorkaround::from_instance_jfieldID(k_oop, fid);
312
  if (!InstanceKlass::cast(k_oop)->contains_field_offset(offset))
313
    ReportJNIFatalError(thr, fatal_wrong_field);
314

315
  /* check for proper field type */
316
  if (!InstanceKlass::cast(k_oop)->find_field_from_offset(offset,
317
                                                              false, &fd))
318
    ReportJNIFatalError(thr, fatal_instance_field_not_found);
319

320
  if ((fd.field_type() != ftype) &&
321
      !(fd.field_type() == T_ARRAY && ftype == T_OBJECT)) {
322
    ReportJNIFatalError(thr, fatal_instance_field_mismatch);
323
  }
324
}
325

326
static inline void
327
checkString(JavaThread* thr, jstring js)
328
{
329
  ASSERT_OOPS_ALLOWED;
330
  oop s = jniCheck::validate_object(thr, js);
331
  if ((s == NULL) || !java_lang_String::is_instance(s))
332
    ReportJNIFatalError(thr, fatal_non_string);
333
}
334

335
static inline arrayOop
336
check_is_array(JavaThread* thr, jarray jArray)
337
{
338
  ASSERT_OOPS_ALLOWED;
339
  arrayOop aOop;
340

341
  aOop = (arrayOop)jniCheck::validate_object(thr, jArray);
342
  if (aOop == NULL || !aOop->is_array()) {
343
    ReportJNIFatalError(thr, fatal_non_array);
344
  }
345
  return aOop;
346
}
347

348
static inline arrayOop
349
check_is_primitive_array(JavaThread* thr, jarray jArray) {
350
  arrayOop aOop = check_is_array(thr, jArray);
351

352
  if (!aOop->is_typeArray()) {
353
     ReportJNIFatalError(thr, fatal_prim_type_array_expected);
354
  }
355
  return aOop;
356
}
357

358
static inline void
359
check_primitive_array_type(JavaThread* thr, jarray jArray, BasicType elementType)
360
{
361
  BasicType array_type;
362
  arrayOop aOop;
363

364
  aOop = check_is_primitive_array(thr, jArray);
365
  array_type = TypeArrayKlass::cast(aOop->klass())->element_type();
366
  if (array_type != elementType) {
367
    ReportJNIFatalError(thr, fatal_element_type_mismatch);
368
  }
369
}
370

371
static inline void
372
check_is_obj_array(JavaThread* thr, jarray jArray) {
373
  arrayOop aOop = check_is_array(thr, jArray);
374
  if (!aOop->is_objArray()) {
375
    ReportJNIFatalError(thr, fatal_object_array_expected);
376
  }
377
}
378

379
/*
380
 * Copy and wrap array elements for bounds checking.
381
 * Remember the original elements (GuardedMemory::get_tag())
382
 */
383
static void* check_jni_wrap_copy_array(JavaThread* thr, jarray array,
384
    void* orig_elements) {
385
  void* result;
386
  IN_VM(
387
    oop a = JNIHandles::resolve_non_null(array);
388
    size_t len = arrayOop(a)->length() <<
389
        TypeArrayKlass::cast(a->klass())->log2_element_size();
390
    result = GuardedMemory::wrap_copy(orig_elements, len, orig_elements);
391
  )
392
  return result;
393
}
394

395
static void* check_wrapped_array(JavaThread* thr, const char* fn_name,
396
    void* obj, void* carray, size_t* rsz) {
397
  if (carray == NULL) {
398
    tty->print_cr("%s: elements vector NULL" PTR_FORMAT, fn_name, p2i(obj));
399
    NativeReportJNIFatalError(thr, "Elements vector NULL");
400
  }
401
  GuardedMemory guarded(carray);
402
  void* orig_result = guarded.get_tag();
403
  if (!guarded.verify_guards()) {
404
    tty->print_cr("%s: release array failed bounds check, incorrect pointer returned ? array: "
405
                  PTR_FORMAT " carray: " PTR_FORMAT, fn_name, p2i(obj), p2i(carray));
406
    DEBUG_ONLY(guarded.print_on(tty);) // This may crash.
407
    NativeReportJNIFatalError(thr, err_msg("%s: failed bounds check", fn_name));
408
  }
409
  if (orig_result == NULL) {
410
    tty->print_cr("%s: unrecognized elements. array: " PTR_FORMAT " carray: " PTR_FORMAT,
411
                  fn_name, p2i(obj), p2i(carray));
412
    DEBUG_ONLY(guarded.print_on(tty);) // This may crash.
413
    NativeReportJNIFatalError(thr, err_msg("%s: unrecognized elements", fn_name));
414
  }
415
  if (rsz != NULL) {
416
    *rsz = guarded.get_user_size();
417
  }
418
  return orig_result;
419
}
420

421
static void* check_wrapped_array_release(JavaThread* thr, const char* fn_name,
422
                                         void* obj, void* carray, jint mode, jboolean is_critical) {
423
  size_t sz;
424
  void* orig_result = check_wrapped_array(thr, fn_name, obj, carray, &sz);
425
  switch (mode) {
426
  case 0:
427
    memcpy(orig_result, carray, sz);
428
    GuardedMemory::free_copy(carray);
429
    break;
430
  case JNI_COMMIT:
431
    memcpy(orig_result, carray, sz);
432
    if (is_critical) {
433
      // For ReleasePrimitiveArrayCritical we must free the internal buffer
434
      // allocated through GuardedMemory.
435
      GuardedMemory::free_copy(carray);
436
    }
437
    break;
438
  case JNI_ABORT:
439
    GuardedMemory::free_copy(carray);
440
    break;
441
  default:
442
    tty->print_cr("%s: Unrecognized mode %i releasing array "
443
                  PTR_FORMAT " elements " PTR_FORMAT, fn_name, mode, p2i(obj), p2i(carray));
444
    NativeReportJNIFatalError(thr, "Unrecognized array release mode");
445
  }
446
  return orig_result;
447
}
448

449
oop jniCheck::validate_handle(JavaThread* thr, jobject obj) {
450
  if ((obj != NULL) && (JNIHandles::handle_type(thr, obj) != JNIInvalidRefType)) {
451
    ASSERT_OOPS_ALLOWED;
452
    return JNIHandles::resolve_external_guard(obj);
453
  }
454
  ReportJNIFatalError(thr, fatal_bad_ref_to_jni);
455
  return NULL;
456
}
457

458

459
Method* jniCheck::validate_jmethod_id(JavaThread* thr, jmethodID method_id) {
460
  ASSERT_OOPS_ALLOWED;
461
  // do the fast jmethodID check first
462
  Method* m = Method::checked_resolve_jmethod_id(method_id);
463
  if (m == NULL) {
464
    ReportJNIFatalError(thr, fatal_wrong_class_or_method);
465
  }
466
  // jmethodIDs are handles in the class loader data,
467
  // but that can be expensive so check it last
468
  else if (!Method::is_method_id(method_id)) {
469
    ReportJNIFatalError(thr, fatal_non_weak_method);
470
  }
471
  return m;
472
}
473

474

475
oop jniCheck::validate_object(JavaThread* thr, jobject obj) {
476
  if (obj == NULL) return NULL;
477
  ASSERT_OOPS_ALLOWED;
478
  oop oopObj = jniCheck::validate_handle(thr, obj);
479
  if (oopObj == NULL) {
480
    ReportJNIFatalError(thr, fatal_bad_ref_to_jni);
481
  }
482
  return oopObj;
483
}
484

485
// Warn if a class descriptor is in decorated form; class descriptors
486
// passed to JNI findClass should not be decorated unless they are
487
// array descriptors.
488
void jniCheck::validate_class_descriptor(JavaThread* thr, const char* name) {
489
  if (name == NULL) return;  // implementation accepts NULL so just return
490

491
  size_t len = strlen(name);
492

493
  if (len >= 2 &&
494
      name[0] == JVM_SIGNATURE_CLASS &&            // 'L'
495
      name[len-1] == JVM_SIGNATURE_ENDCLASS ) {    // ';'
496
    char msg[JVM_MAXPATHLEN];
497
    jio_snprintf(msg, JVM_MAXPATHLEN, "%s%s%s",
498
                 warn_bad_class_descriptor1, name, warn_bad_class_descriptor2);
499
    ReportJNIWarning(thr, msg);
500
  }
501

502
  // Verify that the class name given is a valid utf8 string
503
  if (!UTF8::is_legal_utf8((const unsigned char*)name, (int)strlen(name), false)) {
504
    char msg[JVM_MAXPATHLEN];
505
    jio_snprintf(msg, JVM_MAXPATHLEN, "%s%s%s", fatal_non_utf8_class_name1, name, fatal_non_utf8_class_name2);
506
    ReportJNIFatalError(thr, msg);
507
  }
508
}
509

510
Klass* jniCheck::validate_class(JavaThread* thr, jclass clazz, bool allow_primitive) {
511
  ASSERT_OOPS_ALLOWED;
512
  oop mirror = jniCheck::validate_handle(thr, clazz);
513
  if (mirror == NULL) {
514
    ReportJNIFatalError(thr, fatal_received_null_class);
515
  }
516

517
  if (mirror->klass() != vmClasses::Class_klass()) {
518
    ReportJNIFatalError(thr, fatal_class_not_a_class);
519
  }
520

521
  Klass* k = java_lang_Class::as_Klass(mirror);
522
  // Make allowances for primitive classes ...
523
  if (!(k != NULL || (allow_primitive && java_lang_Class::is_primitive(mirror)))) {
524
    ReportJNIFatalError(thr, fatal_class_not_a_class);
525
  }
526
  return k;
527
}
528

529
void jniCheck::validate_throwable_klass(JavaThread* thr, Klass* klass) {
530
  ASSERT_OOPS_ALLOWED;
531
  assert(klass != NULL, "klass argument must have a value");
532

533
  if (!klass->is_instance_klass() ||
534
      !klass->is_subclass_of(vmClasses::Throwable_klass())) {
535
    ReportJNIFatalError(thr, fatal_class_not_a_throwable_class);
536
  }
537
}
538

539
void jniCheck::validate_call(JavaThread* thr, jclass clazz, jmethodID method_id, jobject obj) {
540
  ASSERT_OOPS_ALLOWED;
541
  Method* m = jniCheck::validate_jmethod_id(thr, method_id);
542
  InstanceKlass* holder = m->method_holder();
543

544
  if (clazz != NULL) {
545
    Klass* k = jniCheck::validate_class(thr, clazz, false);
546
    // Check that method is in the class, must be InstanceKlass
547
    if (!InstanceKlass::cast(k)->is_subtype_of(holder)) {
548
      ReportJNIFatalError(thr, fatal_wrong_class_or_method);
549
    }
550
  }
551

552
  if (obj != NULL) {
553
    oop recv = jniCheck::validate_object(thr, obj);
554
    assert(recv != NULL, "validate_object checks that");
555
    Klass* rk = recv->klass();
556

557
    // Check that the object is a subtype of method holder too.
558
    if (!rk->is_subtype_of(holder)) {
559
      ReportJNIFatalError(thr, fatal_wrong_class_or_method);
560
    }
561
  }
562
}
563

564

565
/*
566
 * IMPLEMENTATION OF FUNCTIONS IN CHECKED TABLE
567
 */
568

569
JNI_ENTRY_CHECKED(jclass,
570
  checked_jni_DefineClass(JNIEnv *env,
571
                          const char *name,
572
                          jobject loader,
573
                          const jbyte *buf,
574
                          jsize len))
575
    functionEnter(thr);
576
    IN_VM(
577
      jniCheck::validate_object(thr, loader);
578
    )
579
    jclass result = UNCHECKED()->DefineClass(env, name, loader, buf, len);
580
    functionExit(thr);
581
    return result;
582
JNI_END
583

584
JNI_ENTRY_CHECKED(jclass,
585
  checked_jni_FindClass(JNIEnv *env,
586
                        const char *name))
587
    functionEnter(thr);
588
    IN_VM(
589
      jniCheck::validate_class_descriptor(thr, name);
590
    )
591
    jclass result = UNCHECKED()->FindClass(env, name);
592
    functionExit(thr);
593
    return result;
594
JNI_END
595

596
JNI_ENTRY_CHECKED(jmethodID,
597
  checked_jni_FromReflectedMethod(JNIEnv *env,
598
                                  jobject method))
599
    functionEnter(thr);
600
    IN_VM(
601
      jniCheck::validate_object(thr, method);
602
    )
603
    jmethodID result = UNCHECKED()->FromReflectedMethod(env, method);
604
    functionExit(thr);
605
    return result;
606
JNI_END
607

608
JNI_ENTRY_CHECKED(jfieldID,
609
  checked_jni_FromReflectedField(JNIEnv *env,
610
                                 jobject field))
611
    functionEnter(thr);
612
    IN_VM(
613
      jniCheck::validate_object(thr, field);
614
    )
615
    jfieldID result = UNCHECKED()->FromReflectedField(env, field);
616
    functionExit(thr);
617
    return result;
618
JNI_END
619

620
JNI_ENTRY_CHECKED(jobject,
621
  checked_jni_ToReflectedMethod(JNIEnv *env,
622
                                jclass cls,
623
                                jmethodID methodID,
624
                                jboolean isStatic))
625
    functionEnter(thr);
626
    IN_VM(
627
      jniCheck::validate_call(thr, cls, methodID);
628
    )
629
    jobject result = UNCHECKED()->ToReflectedMethod(env, cls, methodID,
630
                                                    isStatic);
631
    functionExit(thr);
632
    return result;
633
JNI_END
634

635
JNI_ENTRY_CHECKED(jclass,
636
  checked_jni_GetSuperclass(JNIEnv *env,
637
                            jclass sub))
638
    functionEnter(thr);
639
    IN_VM(
640
      jniCheck::validate_class(thr, sub, true);
641
    )
642
    jclass result = UNCHECKED()->GetSuperclass(env, sub);
643
    functionExit(thr);
644
    return result;
645
JNI_END
646

647
JNI_ENTRY_CHECKED(jboolean,
648
  checked_jni_IsAssignableFrom(JNIEnv *env,
649
                               jclass sub,
650
                               jclass sup))
651
    functionEnter(thr);
652
    IN_VM(
653
      jniCheck::validate_class(thr, sub, true);
654
      jniCheck::validate_class(thr, sup, true);
655
    )
656
    jboolean result = UNCHECKED()->IsAssignableFrom(env, sub, sup);
657
    functionExit(thr);
658
    return result;
659
JNI_END
660

661
JNI_ENTRY_CHECKED(jobject,
662
  checked_jni_ToReflectedField(JNIEnv *env,
663
                               jclass cls,
664
                               jfieldID fieldID,
665
                               jboolean isStatic))
666
    functionEnter(thr);
667
    IN_VM(
668
      jniCheck::validate_class(thr, cls, false);
669
    )
670
    jobject result = UNCHECKED()->ToReflectedField(env, cls, fieldID,
671
                                                   isStatic);
672
    functionExit(thr);
673
    return result;
674
JNI_END
675

676
JNI_ENTRY_CHECKED(jint,
677
  checked_jni_Throw(JNIEnv *env,
678
                    jthrowable obj))
679
    functionEnter(thr);
680
    IN_VM(
681
      oop oopObj = jniCheck::validate_object(thr, obj);
682
      if (oopObj == NULL) {
683
        // Unchecked Throw tolerates a NULL obj, so just warn
684
        ReportJNIWarning(thr, "JNI Throw called with NULL throwable");
685
      } else {
686
        jniCheck::validate_throwable_klass(thr, oopObj->klass());
687
      }
688
    )
689
    jint result = UNCHECKED()->Throw(env, obj);
690
    functionExit(thr);
691
    return result;
692
JNI_END
693

694
JNI_ENTRY_CHECKED(jint,
695
  checked_jni_ThrowNew(JNIEnv *env,
696
                       jclass clazz,
697
                       const char *msg))
698
    functionEnter(thr);
699
    IN_VM(
700
      Klass* k = jniCheck::validate_class(thr, clazz, false);
701
      assert(k != NULL, "validate_class shouldn't return NULL Klass*");
702
      jniCheck::validate_throwable_klass(thr, k);
703
    )
704
    jint result = UNCHECKED()->ThrowNew(env, clazz, msg);
705
    functionExit(thr);
706
    return result;
707
JNI_END
708

709
JNI_ENTRY_CHECKED(jthrowable,
710
  checked_jni_ExceptionOccurred(JNIEnv *env))
711
    thr->clear_pending_jni_exception_check();
712
    functionEnterExceptionAllowed(thr);
713
    jthrowable result = UNCHECKED()->ExceptionOccurred(env);
714
    functionExit(thr);
715
    return result;
716
JNI_END
717

718
JNI_ENTRY_CHECKED(void,
719
  checked_jni_ExceptionDescribe(JNIEnv *env))
720
    functionEnterExceptionAllowed(thr);
721
    UNCHECKED()->ExceptionDescribe(env);
722
    functionExit(thr);
723
JNI_END
724

725
JNI_ENTRY_CHECKED(void,
726
  checked_jni_ExceptionClear(JNIEnv *env))
727
    thr->clear_pending_jni_exception_check();
728
    functionEnterExceptionAllowed(thr);
729
    UNCHECKED()->ExceptionClear(env);
730
    functionExit(thr);
731
JNI_END
732

733
JNI_ENTRY_CHECKED(void,
734
  checked_jni_FatalError(JNIEnv *env,
735
                         const char *msg))
736
    thr->clear_pending_jni_exception_check();
737
    functionEnter(thr);
738
    UNCHECKED()->FatalError(env, msg);
739
    functionExit(thr);
740
JNI_END
741

742
JNI_ENTRY_CHECKED(jint,
743
  checked_jni_PushLocalFrame(JNIEnv *env,
744
                             jint capacity))
745
    functionEnterExceptionAllowed(thr);
746
    if (capacity < 0)
747
      NativeReportJNIFatalError(thr, "negative capacity");
748
    jint result = UNCHECKED()->PushLocalFrame(env, capacity);
749
    if (result == JNI_OK) {
750
      add_planned_handle_capacity(thr->active_handles(), capacity);
751
    }
752
    functionExit(thr);
753
    return result;
754
JNI_END
755

756
JNI_ENTRY_CHECKED(jobject,
757
  checked_jni_PopLocalFrame(JNIEnv *env,
758
                            jobject result))
759
    functionEnterExceptionAllowed(thr);
760
    jobject res = UNCHECKED()->PopLocalFrame(env, result);
761
    functionExit(thr);
762
    return res;
763
JNI_END
764

765
JNI_ENTRY_CHECKED(jobject,
766
  checked_jni_NewGlobalRef(JNIEnv *env,
767
                           jobject lobj))
768
    functionEnter(thr);
769
    IN_VM(
770
      if (lobj != NULL) {
771
        jniCheck::validate_handle(thr, lobj);
772
      }
773
    )
774
    jobject result = UNCHECKED()->NewGlobalRef(env,lobj);
775
    functionExit(thr);
776
    return result;
777
JNI_END
778

779
JNI_ENTRY_CHECKED(void,
780
  checked_jni_DeleteGlobalRef(JNIEnv *env,
781
                              jobject gref))
782
    functionEnterExceptionAllowed(thr);
783
    IN_VM(
784
      jniCheck::validate_object(thr, gref);
785
      if (gref && !JNIHandles::is_global_handle(gref)) {
786
        ReportJNIFatalError(thr,
787
            "Invalid global JNI handle passed to DeleteGlobalRef");
788
      }
789
    )
790
    UNCHECKED()->DeleteGlobalRef(env,gref);
791
    functionExit(thr);
792
JNI_END
793

794
JNI_ENTRY_CHECKED(void,
795
  checked_jni_DeleteLocalRef(JNIEnv *env,
796
                             jobject obj))
797
    functionEnterExceptionAllowed(thr);
798
    IN_VM(
799
      jniCheck::validate_object(thr, obj);
800
      if (obj && !(JNIHandles::is_local_handle(thr, obj) ||
801
                   JNIHandles::is_frame_handle(thr, obj)))
802
        ReportJNIFatalError(thr,
803
            "Invalid local JNI handle passed to DeleteLocalRef");
804
    )
805
    UNCHECKED()->DeleteLocalRef(env, obj);
806
    functionExit(thr);
807
JNI_END
808

809
JNI_ENTRY_CHECKED(jboolean,
810
  checked_jni_IsSameObject(JNIEnv *env,
811
                           jobject obj1,
812
                           jobject obj2))
813
    functionEnterExceptionAllowed(thr);
814
    IN_VM(
815
      /* This JNI function can be used to compare weak global references
816
       * to NULL objects. If the handles are valid, but contain NULL,
817
       * then don't attempt to validate the object.
818
       */
819
      if (obj1 != NULL && jniCheck::validate_handle(thr, obj1) != NULL) {
820
        jniCheck::validate_object(thr, obj1);
821
      }
822
      if (obj2 != NULL && jniCheck::validate_handle(thr, obj2) != NULL) {
823
        jniCheck::validate_object(thr, obj2);
824
      }
825
    )
826
    jboolean result = UNCHECKED()->IsSameObject(env,obj1,obj2);
827
    functionExit(thr);
828
    return result;
829
JNI_END
830

831
JNI_ENTRY_CHECKED(jobject,
832
  checked_jni_NewLocalRef(JNIEnv *env,
833
                          jobject ref))
834
    functionEnter(thr);
835
    IN_VM(
836
      if (ref != NULL) {
837
        jniCheck::validate_handle(thr, ref);
838
      }
839
    )
840
    jobject result = UNCHECKED()->NewLocalRef(env, ref);
841
    functionExit(thr);
842
    return result;
843
JNI_END
844

845
JNI_ENTRY_CHECKED(jint,
846
  checked_jni_EnsureLocalCapacity(JNIEnv *env,
847
                                  jint capacity))
848
    functionEnter(thr);
849
    if (capacity < 0) {
850
      NativeReportJNIFatalError(thr, "negative capacity");
851
    }
852
    jint result = UNCHECKED()->EnsureLocalCapacity(env, capacity);
853
    if (result == JNI_OK) {
854
      // increase local ref capacity if needed
855
      if ((size_t)capacity > thr->active_handles()->get_planned_capacity()) {
856
        add_planned_handle_capacity(thr->active_handles(), capacity);
857
      }
858
    }
859
    functionExit(thr);
860
    return result;
861
JNI_END
862

863
JNI_ENTRY_CHECKED(jobject,
864
  checked_jni_AllocObject(JNIEnv *env,
865
                          jclass clazz))
866
    functionEnter(thr);
867
    IN_VM(
868
      jniCheck::validate_class(thr, clazz, false);
869
    )
870
    jobject result = UNCHECKED()->AllocObject(env,clazz);
871
    functionExit(thr);
872
    return result;
873
JNI_END
874

875
JNI_ENTRY_CHECKED(jobject,
876
  checked_jni_NewObject(JNIEnv *env,
877
                        jclass clazz,
878
                        jmethodID methodID,
879
                        ...))
880
    functionEnter(thr);
881
    va_list args;
882
    IN_VM(
883
      jniCheck::validate_call(thr, clazz, methodID);
884
    )
885
    va_start(args, methodID);
886
    jobject result = UNCHECKED()->NewObjectV(env,clazz,methodID,args);
887
    va_end(args);
888
    functionExit(thr);
889
    return result;
890
JNI_END
891

892
JNI_ENTRY_CHECKED(jobject,
893
  checked_jni_NewObjectV(JNIEnv *env,
894
                         jclass clazz,
895
                         jmethodID methodID,
896
                         va_list args))
897
    functionEnter(thr);
898
    IN_VM(
899
      jniCheck::validate_call(thr, clazz, methodID);
900
    )
901
    jobject result = UNCHECKED()->NewObjectV(env,clazz,methodID,args);
902
    functionExit(thr);
903
    return result;
904
JNI_END
905

906
JNI_ENTRY_CHECKED(jobject,
907
  checked_jni_NewObjectA(JNIEnv *env,
908
                         jclass clazz,
909
                         jmethodID methodID,
910
                         const jvalue *args))
911
    functionEnter(thr);
912
    IN_VM(
913
      jniCheck::validate_call(thr, clazz, methodID);
914
    )
915
    jobject result = UNCHECKED()->NewObjectA(env,clazz,methodID,args);
916
    functionExit(thr);
917
    return result;
918
JNI_END
919

920
JNI_ENTRY_CHECKED(jclass,
921
  checked_jni_GetObjectClass(JNIEnv *env,
922
                             jobject obj))
923
    functionEnter(thr);
924
    IN_VM(
925
      jniCheck::validate_object(thr, obj);
926
    )
927
    jclass result = UNCHECKED()->GetObjectClass(env,obj);
928
    functionExit(thr);
929
    return result;
930
JNI_END
931

932
JNI_ENTRY_CHECKED(jboolean,
933
  checked_jni_IsInstanceOf(JNIEnv *env,
934
                           jobject obj,
935
                           jclass clazz))
936
    functionEnter(thr);
937
    IN_VM(
938
      jniCheck::validate_object(thr, obj);
939
      jniCheck::validate_class(thr, clazz, true);
940
    )
941
    jboolean result = UNCHECKED()->IsInstanceOf(env,obj,clazz);
942
    functionExit(thr);
943
    return result;
944
JNI_END
945

946
JNI_ENTRY_CHECKED(jmethodID,
947
  checked_jni_GetMethodID(JNIEnv *env,
948
                          jclass clazz,
949
                          const char *name,
950
                          const char *sig))
951
    functionEnter(thr);
952
    IN_VM(
953
      jniCheck::validate_class(thr, clazz, false);
954
    )
955
    jmethodID result = UNCHECKED()->GetMethodID(env,clazz,name,sig);
956
    functionExit(thr);
957
    return result;
958
JNI_END
959

960
#define WRAPPER_CallMethod(ResultType, Result) \
961
JNI_ENTRY_CHECKED(ResultType,  \
962
  checked_jni_Call##Result##Method(JNIEnv *env, \
963
                                   jobject obj, \
964
                                   jmethodID methodID, \
965
                                   ...)) \
966
    functionEnter(thr); \
967
    va_list args; \
968
    IN_VM( \
969
      jniCheck::validate_call(thr, NULL, methodID, obj); \
970
    ) \
971
    va_start(args,methodID); \
972
    ResultType result =UNCHECKED()->Call##Result##MethodV(env, obj, methodID, \
973
                                                          args); \
974
    va_end(args); \
975
    thr->set_pending_jni_exception_check("Call"#Result"Method"); \
976
    functionExit(thr); \
977
    return result; \
978
JNI_END \
979
\
980
JNI_ENTRY_CHECKED(ResultType,  \
981
  checked_jni_Call##Result##MethodV(JNIEnv *env, \
982
                                    jobject obj, \
983
                                    jmethodID methodID, \
984
                                    va_list args)) \
985
    functionEnter(thr); \
986
    IN_VM(\
987
      jniCheck::validate_call(thr, NULL, methodID, obj); \
988
    ) \
989
    ResultType result = UNCHECKED()->Call##Result##MethodV(env, obj, methodID,\
990
                                                           args); \
991
    thr->set_pending_jni_exception_check("Call"#Result"MethodV"); \
992
    functionExit(thr); \
993
    return result; \
994
JNI_END \
995
\
996
JNI_ENTRY_CHECKED(ResultType,  \
997
  checked_jni_Call##Result##MethodA(JNIEnv *env, \
998
                                    jobject obj, \
999
                                    jmethodID methodID, \
1000
                                    const jvalue * args)) \
1001
    functionEnter(thr); \
1002
    IN_VM( \
1003
      jniCheck::validate_call(thr, NULL, methodID, obj); \
1004
    ) \
1005
    ResultType result = UNCHECKED()->Call##Result##MethodA(env, obj, methodID,\
1006
                                                           args); \
1007
    thr->set_pending_jni_exception_check("Call"#Result"MethodA"); \
1008
    functionExit(thr); \
1009
    return result; \
1010
JNI_END
1011

1012
WRAPPER_CallMethod(jobject,Object)
1013
WRAPPER_CallMethod(jboolean,Boolean)
1014
WRAPPER_CallMethod(jbyte,Byte)
1015
WRAPPER_CallMethod(jshort,Short)
1016
WRAPPER_CallMethod(jchar,Char)
1017
WRAPPER_CallMethod(jint,Int)
1018
WRAPPER_CallMethod(jlong,Long)
1019
WRAPPER_CallMethod(jfloat,Float)
1020
WRAPPER_CallMethod(jdouble,Double)
1021

1022
JNI_ENTRY_CHECKED(void,
1023
  checked_jni_CallVoidMethod(JNIEnv *env, \
1024
                             jobject obj, \
1025
                             jmethodID methodID, \
1026
                             ...))
1027
    functionEnter(thr);
1028
    va_list args;
1029
    IN_VM(
1030
      jniCheck::validate_call(thr, NULL, methodID, obj);
1031
    )
1032
    va_start(args,methodID);
1033
    UNCHECKED()->CallVoidMethodV(env,obj,methodID,args);
1034
    va_end(args);
1035
    thr->set_pending_jni_exception_check("CallVoidMethod");
1036
    functionExit(thr);
1037
JNI_END
1038

1039
JNI_ENTRY_CHECKED(void,
1040
  checked_jni_CallVoidMethodV(JNIEnv *env,
1041
                              jobject obj,
1042
                              jmethodID methodID,
1043
                              va_list args))
1044
    functionEnter(thr);
1045
    IN_VM(
1046
      jniCheck::validate_call(thr, NULL, methodID, obj);
1047
    )
1048
    UNCHECKED()->CallVoidMethodV(env,obj,methodID,args);
1049
    thr->set_pending_jni_exception_check("CallVoidMethodV");
1050
    functionExit(thr);
1051
JNI_END
1052

1053
JNI_ENTRY_CHECKED(void,
1054
  checked_jni_CallVoidMethodA(JNIEnv *env,
1055
                              jobject obj,
1056
                              jmethodID methodID,
1057
                              const jvalue * args))
1058
    functionEnter(thr);
1059
    IN_VM(
1060
      jniCheck::validate_call(thr, NULL, methodID, obj);
1061
    )
1062
    UNCHECKED()->CallVoidMethodA(env,obj,methodID,args);
1063
    thr->set_pending_jni_exception_check("CallVoidMethodA");
1064
    functionExit(thr);
1065
JNI_END
1066

1067
#define WRAPPER_CallNonvirtualMethod(ResultType, Result) \
1068
JNI_ENTRY_CHECKED(ResultType,  \
1069
  checked_jni_CallNonvirtual##Result##Method(JNIEnv *env, \
1070
                                             jobject obj, \
1071
                                             jclass clazz, \
1072
                                             jmethodID methodID, \
1073
                                             ...)) \
1074
    functionEnter(thr); \
1075
    va_list args; \
1076
    IN_VM( \
1077
      jniCheck::validate_call(thr, clazz, methodID, obj); \
1078
    ) \
1079
    va_start(args,methodID); \
1080
    ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodV(env, \
1081
                                                                     obj, \
1082
                                                                     clazz, \
1083
                                                                     methodID,\
1084
                                                                     args); \
1085
    va_end(args); \
1086
    thr->set_pending_jni_exception_check("CallNonvirtual"#Result"Method"); \
1087
    functionExit(thr); \
1088
    return result; \
1089
JNI_END \
1090
\
1091
JNI_ENTRY_CHECKED(ResultType,  \
1092
  checked_jni_CallNonvirtual##Result##MethodV(JNIEnv *env, \
1093
                                              jobject obj, \
1094
                                              jclass clazz, \
1095
                                              jmethodID methodID, \
1096
                                              va_list args)) \
1097
    functionEnter(thr); \
1098
    IN_VM( \
1099
      jniCheck::validate_call(thr, clazz, methodID, obj); \
1100
    ) \
1101
    ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodV(env, \
1102
                                                                     obj, \
1103
                                                                     clazz, \
1104
                                                                     methodID,\
1105
                                                                     args); \
1106
    thr->set_pending_jni_exception_check("CallNonvirtual"#Result"MethodV"); \
1107
    functionExit(thr); \
1108
    return result; \
1109
JNI_END \
1110
\
1111
JNI_ENTRY_CHECKED(ResultType,  \
1112
  checked_jni_CallNonvirtual##Result##MethodA(JNIEnv *env, \
1113
                                              jobject obj, \
1114
                                              jclass clazz, \
1115
                                              jmethodID methodID, \
1116
                                              const jvalue * args)) \
1117
    functionEnter(thr); \
1118
    IN_VM( \
1119
      jniCheck::validate_call(thr, clazz, methodID, obj); \
1120
    ) \
1121
    ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodA(env, \
1122
                                                                     obj, \
1123
                                                                     clazz, \
1124
                                                                     methodID,\
1125
                                                                     args); \
1126
    thr->set_pending_jni_exception_check("CallNonvirtual"#Result"MethodA"); \
1127
    functionExit(thr); \
1128
    return result; \
1129
JNI_END
1130

1131
WRAPPER_CallNonvirtualMethod(jobject,Object)
1132
WRAPPER_CallNonvirtualMethod(jboolean,Boolean)
1133
WRAPPER_CallNonvirtualMethod(jbyte,Byte)
1134
WRAPPER_CallNonvirtualMethod(jshort,Short)
1135
WRAPPER_CallNonvirtualMethod(jchar,Char)
1136
WRAPPER_CallNonvirtualMethod(jint,Int)
1137
WRAPPER_CallNonvirtualMethod(jlong,Long)
1138
WRAPPER_CallNonvirtualMethod(jfloat,Float)
1139
WRAPPER_CallNonvirtualMethod(jdouble,Double)
1140

1141
JNI_ENTRY_CHECKED(void,
1142
  checked_jni_CallNonvirtualVoidMethod(JNIEnv *env,
1143
                                       jobject obj,
1144
                                       jclass clazz,
1145
                                       jmethodID methodID,
1146
                                       ...))
1147
    functionEnter(thr);
1148
    va_list args;
1149
    IN_VM(
1150
      jniCheck::validate_call(thr, clazz, methodID, obj);
1151
    )
1152
    va_start(args,methodID);
1153
    UNCHECKED()->CallNonvirtualVoidMethodV(env,obj,clazz,methodID,args);
1154
    va_end(args);
1155
    thr->set_pending_jni_exception_check("CallNonvirtualVoidMethod");
1156
    functionExit(thr);
1157
JNI_END
1158

1159
JNI_ENTRY_CHECKED(void,
1160
  checked_jni_CallNonvirtualVoidMethodV(JNIEnv *env,
1161
                                        jobject obj,
1162
                                        jclass clazz,
1163
                                        jmethodID methodID,
1164
                                        va_list args))
1165
    functionEnter(thr);
1166
    IN_VM(
1167
      jniCheck::validate_call(thr, clazz, methodID, obj);
1168
    )
1169
    UNCHECKED()->CallNonvirtualVoidMethodV(env,obj,clazz,methodID,args);
1170
    thr->set_pending_jni_exception_check("CallNonvirtualVoidMethodV");
1171
    functionExit(thr);
1172
JNI_END
1173

1174
JNI_ENTRY_CHECKED(void,
1175
  checked_jni_CallNonvirtualVoidMethodA(JNIEnv *env,
1176
                                        jobject obj,
1177
                                        jclass clazz,
1178
                                        jmethodID methodID,
1179
                                        const jvalue * args))
1180
    functionEnter(thr);
1181
    IN_VM(
1182
      jniCheck::validate_call(thr, clazz, methodID, obj);
1183
    )
1184
    UNCHECKED()->CallNonvirtualVoidMethodA(env,obj,clazz,methodID,args);
1185
    thr->set_pending_jni_exception_check("CallNonvirtualVoidMethodA");
1186
    functionExit(thr);
1187
JNI_END
1188

1189
JNI_ENTRY_CHECKED(jfieldID,
1190
  checked_jni_GetFieldID(JNIEnv *env,
1191
                         jclass clazz,
1192
                         const char *name,
1193
                         const char *sig))
1194
    functionEnter(thr);
1195
    IN_VM(
1196
      jniCheck::validate_class(thr, clazz, false);
1197
    )
1198
    jfieldID result = UNCHECKED()->GetFieldID(env,clazz,name,sig);
1199
    functionExit(thr);
1200
    return result;
1201
JNI_END
1202

1203
#define WRAPPER_GetField(ReturnType,Result,FieldType) \
1204
JNI_ENTRY_CHECKED(ReturnType,  \
1205
  checked_jni_Get##Result##Field(JNIEnv *env, \
1206
                                 jobject obj, \
1207
                                 jfieldID fieldID)) \
1208
    functionEnter(thr); \
1209
    IN_VM( \
1210
      checkInstanceFieldID(thr, fieldID, obj, FieldType); \
1211
    ) \
1212
    ReturnType result = UNCHECKED()->Get##Result##Field(env,obj,fieldID); \
1213
    functionExit(thr); \
1214
    return result; \
1215
JNI_END
1216

1217
WRAPPER_GetField(jobject,  Object,  T_OBJECT)
1218
WRAPPER_GetField(jboolean, Boolean, T_BOOLEAN)
1219
WRAPPER_GetField(jbyte,    Byte,    T_BYTE)
1220
WRAPPER_GetField(jshort,   Short,   T_SHORT)
1221
WRAPPER_GetField(jchar,    Char,    T_CHAR)
1222
WRAPPER_GetField(jint,     Int,     T_INT)
1223
WRAPPER_GetField(jlong,    Long,    T_LONG)
1224
WRAPPER_GetField(jfloat,   Float,   T_FLOAT)
1225
WRAPPER_GetField(jdouble,  Double,  T_DOUBLE)
1226

1227
#define WRAPPER_SetField(ValueType,Result,FieldType) \
1228
JNI_ENTRY_CHECKED(void,  \
1229
  checked_jni_Set##Result##Field(JNIEnv *env, \
1230
                                 jobject obj, \
1231
                                 jfieldID fieldID, \
1232
                                 ValueType val)) \
1233
    functionEnter(thr); \
1234
    IN_VM( \
1235
      checkInstanceFieldID(thr, fieldID, obj, FieldType); \
1236
    ) \
1237
    UNCHECKED()->Set##Result##Field(env,obj,fieldID,val); \
1238
    functionExit(thr); \
1239
JNI_END
1240

1241
WRAPPER_SetField(jobject,  Object,  T_OBJECT)
1242
WRAPPER_SetField(jboolean, Boolean, T_BOOLEAN)
1243
WRAPPER_SetField(jbyte,    Byte,    T_BYTE)
1244
WRAPPER_SetField(jshort,   Short,   T_SHORT)
1245
WRAPPER_SetField(jchar,    Char,    T_CHAR)
1246
WRAPPER_SetField(jint,     Int,     T_INT)
1247
WRAPPER_SetField(jlong,    Long,    T_LONG)
1248
WRAPPER_SetField(jfloat,   Float,   T_FLOAT)
1249
WRAPPER_SetField(jdouble,  Double,  T_DOUBLE)
1250

1251

1252
JNI_ENTRY_CHECKED(jmethodID,
1253
  checked_jni_GetStaticMethodID(JNIEnv *env,
1254
                                jclass clazz,
1255
                                const char *name,
1256
                                const char *sig))
1257
    functionEnter(thr);
1258
    IN_VM(
1259
      jniCheck::validate_class(thr, clazz, false);
1260
    )
1261
    jmethodID result = UNCHECKED()->GetStaticMethodID(env,clazz,name,sig);
1262
    functionExit(thr);
1263
    return result;
1264
JNI_END
1265

1266
#define WRAPPER_CallStaticMethod(ReturnType,Result) \
1267
JNI_ENTRY_CHECKED(ReturnType,  \
1268
  checked_jni_CallStatic##Result##Method(JNIEnv *env, \
1269
                                         jclass clazz, \
1270
                                         jmethodID methodID, \
1271
                                         ...)) \
1272
    functionEnter(thr); \
1273
    va_list args; \
1274
    IN_VM( \
1275
      jniCheck::validate_call(thr, clazz, methodID); \
1276
    ) \
1277
    va_start(args,methodID); \
1278
    ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \
1279
                                                                 clazz, \
1280
                                                                 methodID, \
1281
                                                                 args); \
1282
    va_end(args); \
1283
    thr->set_pending_jni_exception_check("CallStatic"#Result"Method"); \
1284
    functionExit(thr); \
1285
    return result; \
1286
JNI_END \
1287
\
1288
JNI_ENTRY_CHECKED(ReturnType,  \
1289
  checked_jni_CallStatic##Result##MethodV(JNIEnv *env, \
1290
                                          jclass clazz, \
1291
                                          jmethodID methodID,\
1292
                                          va_list args)) \
1293
    functionEnter(thr); \
1294
    IN_VM( \
1295
      jniCheck::validate_call(thr, clazz, methodID); \
1296
    ) \
1297
    ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \
1298
                                                                 clazz, \
1299
                                                                 methodID, \
1300
                                                                 args); \
1301
    thr->set_pending_jni_exception_check("CallStatic"#Result"MethodV"); \
1302
    functionExit(thr); \
1303
    return result; \
1304
JNI_END \
1305
\
1306
JNI_ENTRY_CHECKED(ReturnType,  \
1307
  checked_jni_CallStatic##Result##MethodA(JNIEnv *env, \
1308
                                          jclass clazz, \
1309
                                          jmethodID methodID, \
1310
                                          const jvalue *args)) \
1311
    functionEnter(thr); \
1312
    IN_VM( \
1313
      jniCheck::validate_call(thr, clazz, methodID); \
1314
    ) \
1315
    ReturnType result = UNCHECKED()->CallStatic##Result##MethodA(env, \
1316
                                                                 clazz, \
1317
                                                                 methodID, \
1318
                                                                 args); \
1319
    thr->set_pending_jni_exception_check("CallStatic"#Result"MethodA"); \
1320
    functionExit(thr); \
1321
    return result; \
1322
JNI_END
1323

1324
WRAPPER_CallStaticMethod(jobject,Object)
1325
WRAPPER_CallStaticMethod(jboolean,Boolean)
1326
WRAPPER_CallStaticMethod(jbyte,Byte)
1327
WRAPPER_CallStaticMethod(jshort,Short)
1328
WRAPPER_CallStaticMethod(jchar,Char)
1329
WRAPPER_CallStaticMethod(jint,Int)
1330
WRAPPER_CallStaticMethod(jlong,Long)
1331
WRAPPER_CallStaticMethod(jfloat,Float)
1332
WRAPPER_CallStaticMethod(jdouble,Double)
1333

1334
JNI_ENTRY_CHECKED(void,
1335
  checked_jni_CallStaticVoidMethod(JNIEnv *env,
1336
                                   jclass cls,
1337
                                   jmethodID methodID,
1338
                                   ...))
1339
    functionEnter(thr);
1340
    va_list args;
1341
    IN_VM(
1342
      jniCheck::validate_call(thr, cls, methodID);
1343
    )
1344
    va_start(args,methodID);
1345
    UNCHECKED()->CallStaticVoidMethodV(env,cls,methodID,args);
1346
    va_end(args);
1347
    thr->set_pending_jni_exception_check("CallStaticVoidMethod");
1348
    functionExit(thr);
1349
JNI_END
1350

1351
JNI_ENTRY_CHECKED(void,
1352
  checked_jni_CallStaticVoidMethodV(JNIEnv *env,
1353
                                    jclass cls,
1354
                                    jmethodID methodID,
1355
                                    va_list args))
1356
    functionEnter(thr);
1357
    IN_VM(
1358
      jniCheck::validate_call(thr, cls, methodID);
1359
    )
1360
    UNCHECKED()->CallStaticVoidMethodV(env,cls,methodID,args);
1361
    thr->set_pending_jni_exception_check("CallStaticVoidMethodV");
1362
    functionExit(thr);
1363
JNI_END
1364

1365
JNI_ENTRY_CHECKED(void,
1366
  checked_jni_CallStaticVoidMethodA(JNIEnv *env,
1367
                                    jclass cls,
1368
                                    jmethodID methodID,
1369
                                    const jvalue * args))
1370
    functionEnter(thr);
1371
    IN_VM(
1372
      jniCheck::validate_call(thr, cls, methodID);
1373
    )
1374
    UNCHECKED()->CallStaticVoidMethodA(env,cls,methodID,args);
1375
    thr->set_pending_jni_exception_check("CallStaticVoidMethodA");
1376
    functionExit(thr);
1377
JNI_END
1378

1379
JNI_ENTRY_CHECKED(jfieldID,
1380
  checked_jni_GetStaticFieldID(JNIEnv *env,
1381
                               jclass clazz,
1382
                               const char *name,
1383
                               const char *sig))
1384
    functionEnter(thr);
1385
    IN_VM(
1386
      jniCheck::validate_class(thr, clazz, false);
1387
    )
1388
    jfieldID result = UNCHECKED()->GetStaticFieldID(env,clazz,name,sig);
1389
    functionExit(thr);
1390
    return result;
1391
JNI_END
1392

1393
#define WRAPPER_GetStaticField(ReturnType,Result,FieldType) \
1394
JNI_ENTRY_CHECKED(ReturnType,  \
1395
  checked_jni_GetStatic##Result##Field(JNIEnv *env, \
1396
                                       jclass clazz, \
1397
                                       jfieldID fieldID)) \
1398
    functionEnter(thr); \
1399
    IN_VM( \
1400
      jniCheck::validate_class(thr, clazz, false); \
1401
      checkStaticFieldID(thr, fieldID, clazz, FieldType); \
1402
    ) \
1403
    ReturnType result = UNCHECKED()->GetStatic##Result##Field(env, \
1404
                                                              clazz, \
1405
                                                              fieldID); \
1406
    functionExit(thr); \
1407
    return result; \
1408
JNI_END
1409

1410
WRAPPER_GetStaticField(jobject,  Object,  T_OBJECT)
1411
WRAPPER_GetStaticField(jboolean, Boolean, T_BOOLEAN)
1412
WRAPPER_GetStaticField(jbyte,    Byte,    T_BYTE)
1413
WRAPPER_GetStaticField(jshort,   Short,   T_SHORT)
1414
WRAPPER_GetStaticField(jchar,    Char,    T_CHAR)
1415
WRAPPER_GetStaticField(jint,     Int,     T_INT)
1416
WRAPPER_GetStaticField(jlong,    Long,    T_LONG)
1417
WRAPPER_GetStaticField(jfloat,   Float,   T_FLOAT)
1418
WRAPPER_GetStaticField(jdouble,  Double,  T_DOUBLE)
1419

1420
#define WRAPPER_SetStaticField(ValueType,Result,FieldType) \
1421
JNI_ENTRY_CHECKED(void,  \
1422
  checked_jni_SetStatic##Result##Field(JNIEnv *env, \
1423
                                       jclass clazz, \
1424
                                       jfieldID fieldID, \
1425
                                       ValueType value)) \
1426
    functionEnter(thr); \
1427
    IN_VM( \
1428
      jniCheck::validate_class(thr, clazz, false); \
1429
      checkStaticFieldID(thr, fieldID, clazz, FieldType); \
1430
    ) \
1431
    UNCHECKED()->SetStatic##Result##Field(env,clazz,fieldID,value); \
1432
    functionExit(thr); \
1433
JNI_END
1434

1435
WRAPPER_SetStaticField(jobject,  Object,  T_OBJECT)
1436
WRAPPER_SetStaticField(jboolean, Boolean, T_BOOLEAN)
1437
WRAPPER_SetStaticField(jbyte,    Byte,    T_BYTE)
1438
WRAPPER_SetStaticField(jshort,   Short,   T_SHORT)
1439
WRAPPER_SetStaticField(jchar,    Char,    T_CHAR)
1440
WRAPPER_SetStaticField(jint,     Int,     T_INT)
1441
WRAPPER_SetStaticField(jlong,    Long,    T_LONG)
1442
WRAPPER_SetStaticField(jfloat,   Float,   T_FLOAT)
1443
WRAPPER_SetStaticField(jdouble,  Double,  T_DOUBLE)
1444

1445

1446
JNI_ENTRY_CHECKED(jstring,
1447
  checked_jni_NewString(JNIEnv *env,
1448
                        const jchar *unicode,
1449
                        jsize len))
1450
    functionEnter(thr);
1451
    jstring result = UNCHECKED()->NewString(env,unicode,len);
1452
    functionExit(thr);
1453
    return result;
1454
JNI_END
1455

1456
JNI_ENTRY_CHECKED(jsize,
1457
  checked_jni_GetStringLength(JNIEnv *env,
1458
                              jstring str))
1459
    functionEnter(thr);
1460
    IN_VM(
1461
      checkString(thr, str);
1462
    )
1463
    jsize result = UNCHECKED()->GetStringLength(env,str);
1464
    functionExit(thr);
1465
    return result;
1466
JNI_END
1467

1468
// Arbitrary (but well-known) tag
1469
const void* STRING_TAG = (void*)0x47114711;
1470

1471
JNI_ENTRY_CHECKED(const jchar *,
1472
  checked_jni_GetStringChars(JNIEnv *env,
1473
                             jstring str,
1474
                             jboolean *isCopy))
1475
    functionEnter(thr);
1476
    IN_VM(
1477
      checkString(thr, str);
1478
    )
1479
    jchar* new_result = NULL;
1480
    const jchar *result = UNCHECKED()->GetStringChars(env,str,isCopy);
1481
    assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringChars didn't return a copy as expected");
1482
    if (result != NULL) {
1483
      size_t len = UNCHECKED()->GetStringLength(env,str) + 1; // + 1 for NULL termination
1484
      len *= sizeof(jchar);
1485
      new_result = (jchar*) GuardedMemory::wrap_copy(result, len, STRING_TAG);
1486
      if (new_result == NULL) {
1487
        vm_exit_out_of_memory(len, OOM_MALLOC_ERROR, "checked_jni_GetStringChars");
1488
      }
1489
      // Avoiding call to UNCHECKED()->ReleaseStringChars() since that will fire unexpected dtrace probes
1490
      // Note that the dtrace arguments for the allocated memory will not match up with this solution.
1491
      FreeHeap((char*)result);
1492
    }
1493
    functionExit(thr);
1494
    return new_result;
1495
JNI_END
1496

1497
JNI_ENTRY_CHECKED(void,
1498
  checked_jni_ReleaseStringChars(JNIEnv *env,
1499
                                 jstring str,
1500
                                 const jchar *chars))
1501
    functionEnterExceptionAllowed(thr);
1502
    IN_VM(
1503
      checkString(thr, str);
1504
    )
1505
    if (chars == NULL) {
1506
       // still do the unchecked call to allow dtrace probes
1507
       UNCHECKED()->ReleaseStringChars(env,str,chars);
1508
    }
1509
    else {
1510
      GuardedMemory guarded((void*)chars);
1511
      if (!guarded.verify_guards()) {
1512
        tty->print_cr("ReleaseStringChars: release chars failed bounds check. "
1513
            "string: " PTR_FORMAT " chars: " PTR_FORMAT, p2i(str), p2i(chars));
1514
        guarded.print_on(tty);
1515
        NativeReportJNIFatalError(thr, "ReleaseStringChars: "
1516
            "release chars failed bounds check.");
1517
      }
1518
      if (guarded.get_tag() != STRING_TAG) {
1519
        tty->print_cr("ReleaseStringChars: called on something not allocated "
1520
            "by GetStringChars. string: " PTR_FORMAT " chars: " PTR_FORMAT,
1521
            p2i(str), p2i(chars));
1522
        NativeReportJNIFatalError(thr, "ReleaseStringChars called on something "
1523
            "not allocated by GetStringChars");
1524
      }
1525
       UNCHECKED()->ReleaseStringChars(env, str,
1526
           (const jchar*) guarded.release_for_freeing());
1527
    }
1528
    functionExit(thr);
1529
JNI_END
1530

1531
JNI_ENTRY_CHECKED(jstring,
1532
  checked_jni_NewStringUTF(JNIEnv *env,
1533
                           const char *utf))
1534
    functionEnter(thr);
1535
    jstring result = UNCHECKED()->NewStringUTF(env,utf);
1536
    functionExit(thr);
1537
    return result;
1538
JNI_END
1539

1540
JNI_ENTRY_CHECKED(jsize,
1541
  checked_jni_GetStringUTFLength(JNIEnv *env,
1542
                                 jstring str))
1543
    functionEnter(thr);
1544
    IN_VM(
1545
      checkString(thr, str);
1546
    )
1547
    jsize result = UNCHECKED()->GetStringUTFLength(env,str);
1548
    functionExit(thr);
1549
    return result;
1550
JNI_END
1551

1552
// Arbitrary (but well-known) tag - different than GetStringChars
1553
const void* STRING_UTF_TAG = (void*) 0x48124812;
1554

1555
JNI_ENTRY_CHECKED(const char *,
1556
  checked_jni_GetStringUTFChars(JNIEnv *env,
1557
                                jstring str,
1558
                                jboolean *isCopy))
1559
    functionEnter(thr);
1560
    IN_VM(
1561
      checkString(thr, str);
1562
    )
1563
    char* new_result = NULL;
1564
    const char *result = UNCHECKED()->GetStringUTFChars(env,str,isCopy);
1565
    assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringUTFChars didn't return a copy as expected");
1566
    if (result != NULL) {
1567
      size_t len = strlen(result) + 1; // + 1 for NULL termination
1568
      new_result = (char*) GuardedMemory::wrap_copy(result, len, STRING_UTF_TAG);
1569
      if (new_result == NULL) {
1570
        vm_exit_out_of_memory(len, OOM_MALLOC_ERROR, "checked_jni_GetStringUTFChars");
1571
      }
1572
      // Avoiding call to UNCHECKED()->ReleaseStringUTFChars() since that will fire unexpected dtrace probes
1573
      // Note that the dtrace arguments for the allocated memory will not match up with this solution.
1574
      FreeHeap((char*)result);
1575
    }
1576
    functionExit(thr);
1577
    return new_result;
1578
JNI_END
1579

1580
JNI_ENTRY_CHECKED(void,
1581
  checked_jni_ReleaseStringUTFChars(JNIEnv *env,
1582
                                    jstring str,
1583
                                    const char* chars))
1584
    functionEnterExceptionAllowed(thr);
1585
    IN_VM(
1586
      checkString(thr, str);
1587
    )
1588
    if (chars == NULL) {
1589
       // still do the unchecked call to allow dtrace probes
1590
       UNCHECKED()->ReleaseStringUTFChars(env,str,chars);
1591
    }
1592
    else {
1593
      GuardedMemory guarded((void*)chars);
1594
      if (!guarded.verify_guards()) {
1595
        tty->print_cr("ReleaseStringUTFChars: release chars failed bounds check. "
1596
            "string: " PTR_FORMAT " chars: " PTR_FORMAT, p2i(str), p2i(chars));
1597
        guarded.print_on(tty);
1598
        NativeReportJNIFatalError(thr, "ReleaseStringUTFChars: "
1599
            "release chars failed bounds check.");
1600
      }
1601
      if (guarded.get_tag() != STRING_UTF_TAG) {
1602
        tty->print_cr("ReleaseStringUTFChars: called on something not "
1603
            "allocated by GetStringUTFChars. string: " PTR_FORMAT " chars: "
1604
            PTR_FORMAT, p2i(str), p2i(chars));
1605
        NativeReportJNIFatalError(thr, "ReleaseStringUTFChars "
1606
            "called on something not allocated by GetStringUTFChars");
1607
      }
1608
      UNCHECKED()->ReleaseStringUTFChars(env, str,
1609
          (const char*) guarded.release_for_freeing());
1610
    }
1611
    functionExit(thr);
1612
JNI_END
1613

1614
JNI_ENTRY_CHECKED(jsize,
1615
  checked_jni_GetArrayLength(JNIEnv *env,
1616
                             jarray array))
1617
    functionEnter(thr);
1618
    IN_VM(
1619
      check_is_array(thr, array);
1620
    )
1621
    jsize result = UNCHECKED()->GetArrayLength(env,array);
1622
    functionExit(thr);
1623
    return result;
1624
JNI_END
1625

1626
JNI_ENTRY_CHECKED(jobjectArray,
1627
  checked_jni_NewObjectArray(JNIEnv *env,
1628
                             jsize len,
1629
                             jclass clazz,
1630
                             jobject init))
1631
    functionEnter(thr);
1632
    jobjectArray result = UNCHECKED()->NewObjectArray(env,len,clazz,init);
1633
    functionExit(thr);
1634
    return result;
1635
JNI_END
1636

1637
JNI_ENTRY_CHECKED(jobject,
1638
  checked_jni_GetObjectArrayElement(JNIEnv *env,
1639
                                    jobjectArray array,
1640
                                    jsize index))
1641
    functionEnter(thr);
1642
    IN_VM(
1643
      check_is_obj_array(thr, array);
1644
    )
1645
    jobject result = UNCHECKED()->GetObjectArrayElement(env,array,index);
1646
    functionExit(thr);
1647
    return result;
1648
JNI_END
1649

1650
JNI_ENTRY_CHECKED(void,
1651
  checked_jni_SetObjectArrayElement(JNIEnv *env,
1652
                                    jobjectArray array,
1653
                                    jsize index,
1654
                                    jobject val))
1655
    functionEnter(thr);
1656
    IN_VM(
1657
      check_is_obj_array(thr, array);
1658
    )
1659
    UNCHECKED()->SetObjectArrayElement(env,array,index,val);
1660
    functionExit(thr);
1661
JNI_END
1662

1663
#define WRAPPER_NewScalarArray(Return, Result) \
1664
JNI_ENTRY_CHECKED(Return, \
1665
  checked_jni_New##Result##Array(JNIEnv *env, \
1666
                                 jsize len)) \
1667
    functionEnter(thr); \
1668
    Return result = UNCHECKED()->New##Result##Array(env,len); \
1669
    functionExit(thr); \
1670
    return (Return) result; \
1671
JNI_END
1672

1673
WRAPPER_NewScalarArray(jbooleanArray, Boolean)
1674
WRAPPER_NewScalarArray(jbyteArray, Byte)
1675
WRAPPER_NewScalarArray(jshortArray, Short)
1676
WRAPPER_NewScalarArray(jcharArray, Char)
1677
WRAPPER_NewScalarArray(jintArray, Int)
1678
WRAPPER_NewScalarArray(jlongArray, Long)
1679
WRAPPER_NewScalarArray(jfloatArray, Float)
1680
WRAPPER_NewScalarArray(jdoubleArray, Double)
1681

1682
#define WRAPPER_GetScalarArrayElements(ElementTag,ElementType,Result) \
1683
JNI_ENTRY_CHECKED(ElementType *,  \
1684
  checked_jni_Get##Result##ArrayElements(JNIEnv *env, \
1685
                                         ElementType##Array array, \
1686
                                         jboolean *isCopy)) \
1687
    functionEnter(thr); \
1688
    IN_VM( \
1689
      check_primitive_array_type(thr, array, ElementTag); \
1690
    ) \
1691
    ElementType *result = UNCHECKED()->Get##Result##ArrayElements(env, \
1692
                                                                  array, \
1693
                                                                  isCopy); \
1694
    if (result != NULL) { \
1695
      result = (ElementType *) check_jni_wrap_copy_array(thr, array, result); \
1696
    } \
1697
    functionExit(thr); \
1698
    return result; \
1699
JNI_END
1700

1701
WRAPPER_GetScalarArrayElements(T_BOOLEAN, jboolean, Boolean)
1702
WRAPPER_GetScalarArrayElements(T_BYTE,    jbyte,    Byte)
1703
WRAPPER_GetScalarArrayElements(T_SHORT,   jshort,   Short)
1704
WRAPPER_GetScalarArrayElements(T_CHAR,    jchar,    Char)
1705
WRAPPER_GetScalarArrayElements(T_INT,     jint,     Int)
1706
WRAPPER_GetScalarArrayElements(T_LONG,    jlong,    Long)
1707
WRAPPER_GetScalarArrayElements(T_FLOAT,   jfloat,   Float)
1708
WRAPPER_GetScalarArrayElements(T_DOUBLE,  jdouble,  Double)
1709

1710
#define WRAPPER_ReleaseScalarArrayElements(ElementTag,ElementType,Result,Tag) \
1711
JNI_ENTRY_CHECKED(void,  \
1712
  checked_jni_Release##Result##ArrayElements(JNIEnv *env, \
1713
                                             ElementType##Array array, \
1714
                                             ElementType *elems, \
1715
                                             jint mode)) \
1716
    functionEnterExceptionAllowed(thr); \
1717
    IN_VM( \
1718
      check_primitive_array_type(thr, array, ElementTag); \
1719
      ASSERT_OOPS_ALLOWED; \
1720
      typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \
1721
    ) \
1722
    ElementType* orig_result = (ElementType *) check_wrapped_array_release( \
1723
        thr, "checked_jni_Release"#Result"ArrayElements", array, elems, mode, JNI_FALSE); \
1724
    UNCHECKED()->Release##Result##ArrayElements(env, array, orig_result, mode); \
1725
    functionExit(thr); \
1726
JNI_END
1727

1728
WRAPPER_ReleaseScalarArrayElements(T_BOOLEAN,jboolean, Boolean, bool)
1729
WRAPPER_ReleaseScalarArrayElements(T_BYTE,   jbyte,    Byte,    byte)
1730
WRAPPER_ReleaseScalarArrayElements(T_SHORT,  jshort,   Short,   short)
1731
WRAPPER_ReleaseScalarArrayElements(T_CHAR,   jchar,    Char,    char)
1732
WRAPPER_ReleaseScalarArrayElements(T_INT,    jint,     Int,     int)
1733
WRAPPER_ReleaseScalarArrayElements(T_LONG,   jlong,    Long,    long)
1734
WRAPPER_ReleaseScalarArrayElements(T_FLOAT,  jfloat,   Float,   float)
1735
WRAPPER_ReleaseScalarArrayElements(T_DOUBLE, jdouble,  Double,  double)
1736

1737
#define WRAPPER_GetScalarArrayRegion(ElementTag,ElementType,Result) \
1738
JNI_ENTRY_CHECKED(void,  \
1739
  checked_jni_Get##Result##ArrayRegion(JNIEnv *env, \
1740
                                       ElementType##Array array, \
1741
                                       jsize start, \
1742
                                       jsize len, \
1743
                                       ElementType *buf)) \
1744
    functionEnter(thr); \
1745
    IN_VM( \
1746
      check_primitive_array_type(thr, array, ElementTag); \
1747
    ) \
1748
    UNCHECKED()->Get##Result##ArrayRegion(env,array,start,len,buf); \
1749
    functionExit(thr); \
1750
JNI_END
1751

1752
WRAPPER_GetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean)
1753
WRAPPER_GetScalarArrayRegion(T_BYTE,    jbyte,    Byte)
1754
WRAPPER_GetScalarArrayRegion(T_SHORT,   jshort,   Short)
1755
WRAPPER_GetScalarArrayRegion(T_CHAR,    jchar,    Char)
1756
WRAPPER_GetScalarArrayRegion(T_INT,     jint,     Int)
1757
WRAPPER_GetScalarArrayRegion(T_LONG,    jlong,    Long)
1758
WRAPPER_GetScalarArrayRegion(T_FLOAT,   jfloat,   Float)
1759
WRAPPER_GetScalarArrayRegion(T_DOUBLE,  jdouble,  Double)
1760

1761
#define WRAPPER_SetScalarArrayRegion(ElementTag,ElementType,Result) \
1762
JNI_ENTRY_CHECKED(void,  \
1763
  checked_jni_Set##Result##ArrayRegion(JNIEnv *env, \
1764
                                       ElementType##Array array, \
1765
                                       jsize start, \
1766
                                       jsize len, \
1767
                                       const ElementType *buf)) \
1768
    functionEnter(thr); \
1769
    IN_VM( \
1770
      check_primitive_array_type(thr, array, ElementTag); \
1771
    ) \
1772
    UNCHECKED()->Set##Result##ArrayRegion(env,array,start,len,buf); \
1773
    functionExit(thr); \
1774
JNI_END
1775

1776
WRAPPER_SetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean)
1777
WRAPPER_SetScalarArrayRegion(T_BYTE,    jbyte,    Byte)
1778
WRAPPER_SetScalarArrayRegion(T_SHORT,   jshort,   Short)
1779
WRAPPER_SetScalarArrayRegion(T_CHAR,    jchar,    Char)
1780
WRAPPER_SetScalarArrayRegion(T_INT,     jint,     Int)
1781
WRAPPER_SetScalarArrayRegion(T_LONG,    jlong,    Long)
1782
WRAPPER_SetScalarArrayRegion(T_FLOAT,   jfloat,   Float)
1783
WRAPPER_SetScalarArrayRegion(T_DOUBLE,  jdouble,  Double)
1784

1785
JNI_ENTRY_CHECKED(jint,
1786
  checked_jni_RegisterNatives(JNIEnv *env,
1787
                              jclass clazz,
1788
                              const JNINativeMethod *methods,
1789
                              jint nMethods))
1790
    functionEnter(thr);
1791
    jint result = UNCHECKED()->RegisterNatives(env,clazz,methods,nMethods);
1792
    functionExit(thr);
1793
    return result;
1794
JNI_END
1795

1796
JNI_ENTRY_CHECKED(jint,
1797
  checked_jni_UnregisterNatives(JNIEnv *env,
1798
                                jclass clazz))
1799
    functionEnter(thr);
1800
    jint result = UNCHECKED()->UnregisterNatives(env,clazz);
1801
    functionExit(thr);
1802
    return result;
1803
JNI_END
1804

1805
JNI_ENTRY_CHECKED(jint,
1806
  checked_jni_MonitorEnter(JNIEnv *env,
1807
                           jobject obj))
1808
    functionEnter(thr);
1809
    IN_VM(
1810
      jniCheck::validate_object(thr, obj);
1811
    )
1812
    jint result = UNCHECKED()->MonitorEnter(env,obj);
1813
    functionExit(thr);
1814
    return result;
1815
JNI_END
1816

1817
JNI_ENTRY_CHECKED(jint,
1818
  checked_jni_MonitorExit(JNIEnv *env,
1819
                          jobject obj))
1820
    functionEnterExceptionAllowed(thr);
1821
    IN_VM(
1822
      jniCheck::validate_object(thr, obj);
1823
    )
1824
    jint result = UNCHECKED()->MonitorExit(env,obj);
1825
    functionExit(thr);
1826
    return result;
1827
JNI_END
1828

1829
JNI_ENTRY_CHECKED(jint,
1830
  checked_jni_GetJavaVM(JNIEnv *env,
1831
                        JavaVM **vm))
1832
    functionEnter(thr);
1833
    jint result = UNCHECKED()->GetJavaVM(env,vm);
1834
    functionExit(thr);
1835
    return result;
1836
JNI_END
1837

1838
JNI_ENTRY_CHECKED(void,
1839
  checked_jni_GetStringRegion(JNIEnv *env,
1840
                              jstring str,
1841
                              jsize start,
1842
                              jsize len,
1843
                              jchar *buf))
1844
    functionEnter(thr);
1845
    IN_VM(
1846
      checkString(thr, str);
1847
    )
1848
    UNCHECKED()->GetStringRegion(env, str, start, len, buf);
1849
    functionExit(thr);
1850
JNI_END
1851

1852
JNI_ENTRY_CHECKED(void,
1853
  checked_jni_GetStringUTFRegion(JNIEnv *env,
1854
                                 jstring str,
1855
                                 jsize start,
1856
                                 jsize len,
1857
                                 char *buf))
1858
    functionEnter(thr);
1859
    IN_VM(
1860
      checkString(thr, str);
1861
    )
1862
    UNCHECKED()->GetStringUTFRegion(env, str, start, len, buf);
1863
    functionExit(thr);
1864
JNI_END
1865

1866
JNI_ENTRY_CHECKED(void *,
1867
  checked_jni_GetPrimitiveArrayCritical(JNIEnv *env,
1868
                                        jarray array,
1869
                                        jboolean *isCopy))
1870
    functionEnterCritical(thr);
1871
    IN_VM(
1872
      check_is_primitive_array(thr, array);
1873
    )
1874
    void *result = UNCHECKED()->GetPrimitiveArrayCritical(env, array, isCopy);
1875
    if (result != NULL) {
1876
      result = check_jni_wrap_copy_array(thr, array, result);
1877
    }
1878
    functionExit(thr);
1879
    return result;
1880
JNI_END
1881

1882
JNI_ENTRY_CHECKED(void,
1883
  checked_jni_ReleasePrimitiveArrayCritical(JNIEnv *env,
1884
                                            jarray array,
1885
                                            void *carray,
1886
                                            jint mode))
1887
    functionEnterCriticalExceptionAllowed(thr);
1888
    IN_VM(
1889
      check_is_primitive_array(thr, array);
1890
    )
1891
    // Check the element array...
1892
    void* orig_result = check_wrapped_array_release(thr, "ReleasePrimitiveArrayCritical",
1893
                                                    array, carray, mode, JNI_TRUE);
1894
    UNCHECKED()->ReleasePrimitiveArrayCritical(env, array, orig_result, mode);
1895
    functionExit(thr);
1896
JNI_END
1897

1898
JNI_ENTRY_CHECKED(const jchar*,
1899
  checked_jni_GetStringCritical(JNIEnv *env,
1900
                                jstring string,
1901
                                jboolean *isCopy))
1902
    functionEnterCritical(thr);
1903
    IN_VM(
1904
      checkString(thr, string);
1905
    )
1906
    const jchar *result = UNCHECKED()->GetStringCritical(env, string, isCopy);
1907
    functionExit(thr);
1908
    return result;
1909
JNI_END
1910

1911
JNI_ENTRY_CHECKED(void,
1912
  checked_jni_ReleaseStringCritical(JNIEnv *env,
1913
                                    jstring str,
1914
                                    const jchar *chars))
1915
    functionEnterCriticalExceptionAllowed(thr);
1916
    IN_VM(
1917
      checkString(thr, str);
1918
    )
1919
    /* The Hotspot JNI code does not use the parameters, so just check the
1920
     * string parameter as a minor sanity check
1921
     */
1922
    UNCHECKED()->ReleaseStringCritical(env, str, chars);
1923
    functionExit(thr);
1924
JNI_END
1925

1926
JNI_ENTRY_CHECKED(jweak,
1927
  checked_jni_NewWeakGlobalRef(JNIEnv *env,
1928
                               jobject obj))
1929
    functionEnter(thr);
1930
    IN_VM(
1931
      if (obj != NULL) {
1932
        jniCheck::validate_handle(thr, obj);
1933
      }
1934
    )
1935
    jweak result = UNCHECKED()->NewWeakGlobalRef(env, obj);
1936
    functionExit(thr);
1937
    return result;
1938
JNI_END
1939

1940
JNI_ENTRY_CHECKED(void,
1941
  checked_jni_DeleteWeakGlobalRef(JNIEnv *env,
1942
                                  jweak ref))
1943
    functionEnterExceptionAllowed(thr);
1944
    IN_VM(
1945
      if (ref && !JNIHandles::is_weak_global_handle(ref)) {
1946
        ReportJNIFatalError(thr,
1947
             "Invalid weak global JNI handle passed to DeleteWeakGlobalRef");
1948
      }
1949
    )
1950
    UNCHECKED()->DeleteWeakGlobalRef(env, ref);
1951
    functionExit(thr);
1952
JNI_END
1953

1954
JNI_ENTRY_CHECKED(jboolean,
1955
  checked_jni_ExceptionCheck(JNIEnv *env))
1956
    thr->clear_pending_jni_exception_check();
1957
    functionEnterExceptionAllowed(thr);
1958
    jboolean result = UNCHECKED()->ExceptionCheck(env);
1959
    functionExit(thr);
1960
    return result;
1961
JNI_END
1962

1963
JNI_ENTRY_CHECKED(jobject,
1964
  checked_jni_NewDirectByteBuffer(JNIEnv *env,
1965
                                  void *address,
1966
                                  jlong capacity))
1967
    functionEnter(thr);
1968
    jobject result = UNCHECKED()->NewDirectByteBuffer(env, address, capacity);
1969
    functionExit(thr);
1970
    return result;
1971
JNI_END
1972

1973
JNI_ENTRY_CHECKED(void *,
1974
  checked_jni_GetDirectBufferAddress(JNIEnv *env,
1975
                                     jobject buf))
1976
    functionEnter(thr);
1977
    void* result = UNCHECKED()->GetDirectBufferAddress(env, buf);
1978
    functionExit(thr);
1979
    return result;
1980
JNI_END
1981

1982
JNI_ENTRY_CHECKED(jlong,
1983
  checked_jni_GetDirectBufferCapacity(JNIEnv *env,
1984
                                      jobject buf))
1985
    functionEnter(thr);
1986
    jlong result = UNCHECKED()->GetDirectBufferCapacity(env, buf);
1987
    functionExit(thr);
1988
    return result;
1989
JNI_END
1990

1991
JNI_ENTRY_CHECKED(jobjectRefType,
1992
  checked_jni_GetObjectRefType(JNIEnv *env,
1993
                               jobject obj))
1994
    functionEnter(thr);
1995
    /* validate the object being passed */
1996
    IN_VM(
1997
      jniCheck::validate_object(thr, obj);
1998
    )
1999
    jobjectRefType result = UNCHECKED()->GetObjectRefType(env, obj);
2000
    functionExit(thr);
2001
    return result;
2002
JNI_END
2003

2004

2005
JNI_ENTRY_CHECKED(jint,
2006
  checked_jni_GetVersion(JNIEnv *env))
2007
    functionEnter(thr);
2008
    jint result = UNCHECKED()->GetVersion(env);
2009
    functionExit(thr);
2010
    return result;
2011
JNI_END
2012

2013
JNI_ENTRY_CHECKED(jobject,
2014
  checked_jni_GetModule(JNIEnv *env,
2015
                        jclass clazz))
2016
    functionEnter(thr);
2017
    jobject result = UNCHECKED()->GetModule(env,clazz);
2018
    functionExit(thr);
2019
    return result;
2020
JNI_END
2021

2022
/*
2023
 * Structure containing all checked jni functions
2024
 */
2025
struct JNINativeInterface_  checked_jni_NativeInterface = {
2026
    NULL,
2027
    NULL,
2028
    NULL,
2029

2030
    NULL,
2031

2032
    checked_jni_GetVersion,
2033

2034
    checked_jni_DefineClass,
2035
    checked_jni_FindClass,
2036

2037
    checked_jni_FromReflectedMethod,
2038
    checked_jni_FromReflectedField,
2039

2040
    checked_jni_ToReflectedMethod,
2041

2042
    checked_jni_GetSuperclass,
2043
    checked_jni_IsAssignableFrom,
2044

2045
    checked_jni_ToReflectedField,
2046

2047
    checked_jni_Throw,
2048
    checked_jni_ThrowNew,
2049
    checked_jni_ExceptionOccurred,
2050
    checked_jni_ExceptionDescribe,
2051
    checked_jni_ExceptionClear,
2052
    checked_jni_FatalError,
2053

2054
    checked_jni_PushLocalFrame,
2055
    checked_jni_PopLocalFrame,
2056

2057
    checked_jni_NewGlobalRef,
2058
    checked_jni_DeleteGlobalRef,
2059
    checked_jni_DeleteLocalRef,
2060
    checked_jni_IsSameObject,
2061

2062
    checked_jni_NewLocalRef,
2063
    checked_jni_EnsureLocalCapacity,
2064

2065
    checked_jni_AllocObject,
2066
    checked_jni_NewObject,
2067
    checked_jni_NewObjectV,
2068
    checked_jni_NewObjectA,
2069

2070
    checked_jni_GetObjectClass,
2071
    checked_jni_IsInstanceOf,
2072

2073
    checked_jni_GetMethodID,
2074

2075
    checked_jni_CallObjectMethod,
2076
    checked_jni_CallObjectMethodV,
2077
    checked_jni_CallObjectMethodA,
2078
    checked_jni_CallBooleanMethod,
2079
    checked_jni_CallBooleanMethodV,
2080
    checked_jni_CallBooleanMethodA,
2081
    checked_jni_CallByteMethod,
2082
    checked_jni_CallByteMethodV,
2083
    checked_jni_CallByteMethodA,
2084
    checked_jni_CallCharMethod,
2085
    checked_jni_CallCharMethodV,
2086
    checked_jni_CallCharMethodA,
2087
    checked_jni_CallShortMethod,
2088
    checked_jni_CallShortMethodV,
2089
    checked_jni_CallShortMethodA,
2090
    checked_jni_CallIntMethod,
2091
    checked_jni_CallIntMethodV,
2092
    checked_jni_CallIntMethodA,
2093
    checked_jni_CallLongMethod,
2094
    checked_jni_CallLongMethodV,
2095
    checked_jni_CallLongMethodA,
2096
    checked_jni_CallFloatMethod,
2097
    checked_jni_CallFloatMethodV,
2098
    checked_jni_CallFloatMethodA,
2099
    checked_jni_CallDoubleMethod,
2100
    checked_jni_CallDoubleMethodV,
2101
    checked_jni_CallDoubleMethodA,
2102
    checked_jni_CallVoidMethod,
2103
    checked_jni_CallVoidMethodV,
2104
    checked_jni_CallVoidMethodA,
2105

2106
    checked_jni_CallNonvirtualObjectMethod,
2107
    checked_jni_CallNonvirtualObjectMethodV,
2108
    checked_jni_CallNonvirtualObjectMethodA,
2109
    checked_jni_CallNonvirtualBooleanMethod,
2110
    checked_jni_CallNonvirtualBooleanMethodV,
2111
    checked_jni_CallNonvirtualBooleanMethodA,
2112
    checked_jni_CallNonvirtualByteMethod,
2113
    checked_jni_CallNonvirtualByteMethodV,
2114
    checked_jni_CallNonvirtualByteMethodA,
2115
    checked_jni_CallNonvirtualCharMethod,
2116
    checked_jni_CallNonvirtualCharMethodV,
2117
    checked_jni_CallNonvirtualCharMethodA,
2118
    checked_jni_CallNonvirtualShortMethod,
2119
    checked_jni_CallNonvirtualShortMethodV,
2120
    checked_jni_CallNonvirtualShortMethodA,
2121
    checked_jni_CallNonvirtualIntMethod,
2122
    checked_jni_CallNonvirtualIntMethodV,
2123
    checked_jni_CallNonvirtualIntMethodA,
2124
    checked_jni_CallNonvirtualLongMethod,
2125
    checked_jni_CallNonvirtualLongMethodV,
2126
    checked_jni_CallNonvirtualLongMethodA,
2127
    checked_jni_CallNonvirtualFloatMethod,
2128
    checked_jni_CallNonvirtualFloatMethodV,
2129
    checked_jni_CallNonvirtualFloatMethodA,
2130
    checked_jni_CallNonvirtualDoubleMethod,
2131
    checked_jni_CallNonvirtualDoubleMethodV,
2132
    checked_jni_CallNonvirtualDoubleMethodA,
2133
    checked_jni_CallNonvirtualVoidMethod,
2134
    checked_jni_CallNonvirtualVoidMethodV,
2135
    checked_jni_CallNonvirtualVoidMethodA,
2136

2137
    checked_jni_GetFieldID,
2138

2139
    checked_jni_GetObjectField,
2140
    checked_jni_GetBooleanField,
2141
    checked_jni_GetByteField,
2142
    checked_jni_GetCharField,
2143
    checked_jni_GetShortField,
2144
    checked_jni_GetIntField,
2145
    checked_jni_GetLongField,
2146
    checked_jni_GetFloatField,
2147
    checked_jni_GetDoubleField,
2148

2149
    checked_jni_SetObjectField,
2150
    checked_jni_SetBooleanField,
2151
    checked_jni_SetByteField,
2152
    checked_jni_SetCharField,
2153
    checked_jni_SetShortField,
2154
    checked_jni_SetIntField,
2155
    checked_jni_SetLongField,
2156
    checked_jni_SetFloatField,
2157
    checked_jni_SetDoubleField,
2158

2159
    checked_jni_GetStaticMethodID,
2160

2161
    checked_jni_CallStaticObjectMethod,
2162
    checked_jni_CallStaticObjectMethodV,
2163
    checked_jni_CallStaticObjectMethodA,
2164
    checked_jni_CallStaticBooleanMethod,
2165
    checked_jni_CallStaticBooleanMethodV,
2166
    checked_jni_CallStaticBooleanMethodA,
2167
    checked_jni_CallStaticByteMethod,
2168
    checked_jni_CallStaticByteMethodV,
2169
    checked_jni_CallStaticByteMethodA,
2170
    checked_jni_CallStaticCharMethod,
2171
    checked_jni_CallStaticCharMethodV,
2172
    checked_jni_CallStaticCharMethodA,
2173
    checked_jni_CallStaticShortMethod,
2174
    checked_jni_CallStaticShortMethodV,
2175
    checked_jni_CallStaticShortMethodA,
2176
    checked_jni_CallStaticIntMethod,
2177
    checked_jni_CallStaticIntMethodV,
2178
    checked_jni_CallStaticIntMethodA,
2179
    checked_jni_CallStaticLongMethod,
2180
    checked_jni_CallStaticLongMethodV,
2181
    checked_jni_CallStaticLongMethodA,
2182
    checked_jni_CallStaticFloatMethod,
2183
    checked_jni_CallStaticFloatMethodV,
2184
    checked_jni_CallStaticFloatMethodA,
2185
    checked_jni_CallStaticDoubleMethod,
2186
    checked_jni_CallStaticDoubleMethodV,
2187
    checked_jni_CallStaticDoubleMethodA,
2188
    checked_jni_CallStaticVoidMethod,
2189
    checked_jni_CallStaticVoidMethodV,
2190
    checked_jni_CallStaticVoidMethodA,
2191

2192
    checked_jni_GetStaticFieldID,
2193

2194
    checked_jni_GetStaticObjectField,
2195
    checked_jni_GetStaticBooleanField,
2196
    checked_jni_GetStaticByteField,
2197
    checked_jni_GetStaticCharField,
2198
    checked_jni_GetStaticShortField,
2199
    checked_jni_GetStaticIntField,
2200
    checked_jni_GetStaticLongField,
2201
    checked_jni_GetStaticFloatField,
2202
    checked_jni_GetStaticDoubleField,
2203

2204
    checked_jni_SetStaticObjectField,
2205
    checked_jni_SetStaticBooleanField,
2206
    checked_jni_SetStaticByteField,
2207
    checked_jni_SetStaticCharField,
2208
    checked_jni_SetStaticShortField,
2209
    checked_jni_SetStaticIntField,
2210
    checked_jni_SetStaticLongField,
2211
    checked_jni_SetStaticFloatField,
2212
    checked_jni_SetStaticDoubleField,
2213

2214
    checked_jni_NewString,
2215
    checked_jni_GetStringLength,
2216
    checked_jni_GetStringChars,
2217
    checked_jni_ReleaseStringChars,
2218

2219
    checked_jni_NewStringUTF,
2220
    checked_jni_GetStringUTFLength,
2221
    checked_jni_GetStringUTFChars,
2222
    checked_jni_ReleaseStringUTFChars,
2223

2224
    checked_jni_GetArrayLength,
2225

2226
    checked_jni_NewObjectArray,
2227
    checked_jni_GetObjectArrayElement,
2228
    checked_jni_SetObjectArrayElement,
2229

2230
    checked_jni_NewBooleanArray,
2231
    checked_jni_NewByteArray,
2232
    checked_jni_NewCharArray,
2233
    checked_jni_NewShortArray,
2234
    checked_jni_NewIntArray,
2235
    checked_jni_NewLongArray,
2236
    checked_jni_NewFloatArray,
2237
    checked_jni_NewDoubleArray,
2238

2239
    checked_jni_GetBooleanArrayElements,
2240
    checked_jni_GetByteArrayElements,
2241
    checked_jni_GetCharArrayElements,
2242
    checked_jni_GetShortArrayElements,
2243
    checked_jni_GetIntArrayElements,
2244
    checked_jni_GetLongArrayElements,
2245
    checked_jni_GetFloatArrayElements,
2246
    checked_jni_GetDoubleArrayElements,
2247

2248
    checked_jni_ReleaseBooleanArrayElements,
2249
    checked_jni_ReleaseByteArrayElements,
2250
    checked_jni_ReleaseCharArrayElements,
2251
    checked_jni_ReleaseShortArrayElements,
2252
    checked_jni_ReleaseIntArrayElements,
2253
    checked_jni_ReleaseLongArrayElements,
2254
    checked_jni_ReleaseFloatArrayElements,
2255
    checked_jni_ReleaseDoubleArrayElements,
2256

2257
    checked_jni_GetBooleanArrayRegion,
2258
    checked_jni_GetByteArrayRegion,
2259
    checked_jni_GetCharArrayRegion,
2260
    checked_jni_GetShortArrayRegion,
2261
    checked_jni_GetIntArrayRegion,
2262
    checked_jni_GetLongArrayRegion,
2263
    checked_jni_GetFloatArrayRegion,
2264
    checked_jni_GetDoubleArrayRegion,
2265

2266
    checked_jni_SetBooleanArrayRegion,
2267
    checked_jni_SetByteArrayRegion,
2268
    checked_jni_SetCharArrayRegion,
2269
    checked_jni_SetShortArrayRegion,
2270
    checked_jni_SetIntArrayRegion,
2271
    checked_jni_SetLongArrayRegion,
2272
    checked_jni_SetFloatArrayRegion,
2273
    checked_jni_SetDoubleArrayRegion,
2274

2275
    checked_jni_RegisterNatives,
2276
    checked_jni_UnregisterNatives,
2277

2278
    checked_jni_MonitorEnter,
2279
    checked_jni_MonitorExit,
2280

2281
    checked_jni_GetJavaVM,
2282

2283
    checked_jni_GetStringRegion,
2284
    checked_jni_GetStringUTFRegion,
2285

2286
    checked_jni_GetPrimitiveArrayCritical,
2287
    checked_jni_ReleasePrimitiveArrayCritical,
2288

2289
    checked_jni_GetStringCritical,
2290
    checked_jni_ReleaseStringCritical,
2291

2292
    checked_jni_NewWeakGlobalRef,
2293
    checked_jni_DeleteWeakGlobalRef,
2294

2295
    checked_jni_ExceptionCheck,
2296

2297
    checked_jni_NewDirectByteBuffer,
2298
    checked_jni_GetDirectBufferAddress,
2299
    checked_jni_GetDirectBufferCapacity,
2300

2301
    // New 1.6 Features
2302

2303
    checked_jni_GetObjectRefType,
2304

2305
    // Module Features
2306

2307
    checked_jni_GetModule
2308
};
2309

2310

2311
// Returns the function structure
2312
struct JNINativeInterface_* jni_functions_check() {
2313

2314
  unchecked_jni_NativeInterface = jni_functions_nocheck();
2315

2316
  // make sure the last pointer in the checked table is not null, indicating
2317
  // an addition to the JNINativeInterface_ structure without initializing
2318
  // it in the checked table.
2319
  debug_only(int *lastPtr = (int *)((char *)&checked_jni_NativeInterface + \
2320
             sizeof(*unchecked_jni_NativeInterface) - sizeof(char *));)
2321
  assert(*lastPtr != 0,
2322
         "Mismatched JNINativeInterface tables, check for new entries");
2323

2324
  // with -verbose:jni this message will print
2325
  log_debug(jni, resolve)("Checked JNI functions are being used to validate JNI usage");
2326

2327
  return &checked_jni_NativeInterface;
2328
}
2329

2330
Product

Resources

Company
