--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/prims/jniCheck.cpp Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,2314 @@
+/*
+ * Copyright (c) 2001, 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "classfile/javaClasses.inline.hpp"
+#include "classfile/systemDictionary.hpp"
+#include "classfile/vmSymbols.hpp"
+#include "memory/guardedMemory.hpp"
+#include "oops/instanceKlass.hpp"
+#include "oops/oop.inline.hpp"
+#include "oops/symbol.hpp"
+#include "prims/jni.h"
+#include "prims/jniCheck.hpp"
+#include "prims/jvm.h"
+#include "prims/jvm_misc.hpp"
+#include "runtime/fieldDescriptor.hpp"
+#include "runtime/handles.hpp"
+#include "runtime/interfaceSupport.hpp"
+#include "runtime/jfieldIDWorkaround.hpp"
+#include "runtime/thread.inline.hpp"
+
+// Complain every extra number of unplanned local refs
+#define CHECK_JNI_LOCAL_REF_CAP_WARN_THRESHOLD 32
+
+// Heap objects are allowed to be directly referenced only in VM code,
+// not in native code.
+
+#define ASSERT_OOPS_ALLOWED \
+ assert(JavaThread::current()->thread_state() == _thread_in_vm, \
+ "jniCheck examining oops in bad state.")
+
+
+// Execute the given block of source code with the thread in VM state.
+// To do this, transition from the NATIVE state to the VM state, execute
+// the code, and transtition back. The ThreadInVMfromNative constructor
+// performs the transition to VM state, its destructor restores the
+// NATIVE state.
+
+#define IN_VM(source_code) { \
+ { \
+ ThreadInVMfromNative __tiv(thr); \
+ source_code \
+ } \
+ }
+
+
+/*
+ * DECLARATIONS
+ */
+
+static struct JNINativeInterface_ * unchecked_jni_NativeInterface;
+
+
+/*
+ * MACRO DEFINITIONS
+ */
+
+// All JNI checked functions here use JNI_ENTRY_CHECKED() instead of the
+// QUICK_ENTRY or LEAF variants found in jni.cpp. This allows handles
+// to be created if a fatal error should occur.
+
+// Check for thread not attached to VM; need to catch this before
+// assertions in the wrapper routines might fire
+
+// Check for env being the one value appropriate for this thread.
+
+#define JNI_ENTRY_CHECKED(result_type, header) \
+extern "C" { \
+ result_type JNICALL header { \
+ JavaThread* thr = (JavaThread*) Thread::current_or_null(); \
+ if (thr == NULL || !thr->is_Java_thread()) { \
+ tty->print_cr("%s", fatal_using_jnienv_in_nonjava); \
+ os::abort(true); \
+ } \
+ JNIEnv* xenv = thr->jni_environment(); \
+ if (env != xenv) { \
+ NativeReportJNIFatalError(thr, warn_wrong_jnienv); \
+ } \
+ VM_ENTRY_BASE(result_type, header, thr)
+
+
+#define UNCHECKED() (unchecked_jni_NativeInterface)
+
+static const char * warn_wrong_jnienv = "Using JNIEnv in the wrong thread";
+static const char * warn_bad_class_descriptor1 = "JNI FindClass received a bad class descriptor \"";
+static const char * warn_bad_class_descriptor2 = "\". A correct class descriptor " \
+ "has no leading \"L\" or trailing \";\". Incorrect descriptors will not be accepted in future releases.";
+static const char * fatal_using_jnienv_in_nonjava = "FATAL ERROR in native method: Using JNIEnv in non-Java thread";
+static const char * warn_other_function_in_critical = "Warning: Calling other JNI functions in the scope of " \
+ "Get/ReleasePrimitiveArrayCritical or Get/ReleaseStringCritical";
+static const char * fatal_bad_ref_to_jni = "Bad global or local ref passed to JNI";
+static const char * fatal_received_null_class = "JNI received a null class";
+static const char * fatal_class_not_a_class = "JNI received a class argument that is not a class";
+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";
+static const char * fatal_wrong_class_or_method = "Wrong object class or methodID passed to JNI call";
+static const char * fatal_non_weak_method = "non-weak methodID passed to JNI call";
+static const char * fatal_unknown_array_object = "Unknown array object passed to JNI array operations";
+static const char * fatal_object_array_expected = "Object array expected but not received for JNI array operation";
+static const char * fatal_prim_type_array_expected = "Primitive type array expected but not received for JNI array operation";
+static const char * fatal_non_array = "Non-array passed to JNI array operations";
+static const char * fatal_element_type_mismatch = "Array element type mismatch in JNI";
+static const char * fatal_should_be_static = "Non-static field ID passed to JNI";
+static const char * fatal_wrong_static_field = "Wrong static field ID passed to JNI";
+static const char * fatal_static_field_not_found = "Static field not found in JNI get/set field operations";
+static const char * fatal_static_field_mismatch = "Field type (static) mismatch in JNI get/set field operations";
+static const char * fatal_should_be_nonstatic = "Static field ID passed to JNI";
+static const char * fatal_null_object = "Null object passed to JNI";
+static const char * fatal_wrong_field = "Wrong field ID passed to JNI";
+static const char * fatal_instance_field_not_found = "Instance field not found in JNI get/set field operations";
+static const char * fatal_instance_field_mismatch = "Field type (instance) mismatch in JNI get/set field operations";
+static const char * fatal_non_string = "JNI string operation received a non-string";
+
+
+// When in VM state:
+static void ReportJNIWarning(JavaThread* thr, const char *msg) {
+ tty->print_cr("WARNING in native method: %s", msg);
+ thr->print_stack();
+}
+
+// When in NATIVE state:
+static void NativeReportJNIFatalError(JavaThread* thr, const char *msg) {
+ IN_VM(
+ ReportJNIFatalError(thr, msg);
+ )
+}
+
+static void NativeReportJNIWarning(JavaThread* thr, const char *msg) {
+ IN_VM(
+ ReportJNIWarning(thr, msg);
+ )
+}
+
+
+
+
+/*
+ * SUPPORT FUNCTIONS
+ */
+
+/**
+ * Check whether or not a programmer has actually checked for exceptions. According
+ * to the JNI Specification ("jni/spec/design.html#java_exceptions"):
+ *
+ * There are two cases where the programmer needs to check for exceptions without
+ * being able to first check an error code:
+ *
+ * - The JNI functions that invoke a Java method return the result of the Java method.
+ * The programmer must call ExceptionOccurred() to check for possible exceptions
+ * that occurred during the execution of the Java method.
+ *
+ * - Some of the JNI array access functions do not return an error code, but may
+ * throw an ArrayIndexOutOfBoundsException or ArrayStoreException.
+ *
+ * In all other cases, a non-error return value guarantees that no exceptions have been thrown.
+ *
+ * Programmers often defend against ArrayIndexOutOfBoundsException, so warning
+ * for these functions would be pedantic.
+ */
+static inline void
+check_pending_exception(JavaThread* thr) {
+ if (thr->has_pending_exception()) {
+ NativeReportJNIWarning(thr, "JNI call made with exception pending");
+ }
+ if (thr->is_pending_jni_exception_check()) {
+ IN_VM(
+ tty->print_cr("WARNING in native method: JNI call made without checking exceptions when required to from %s",
+ thr->get_pending_jni_exception_check());
+ thr->print_stack();
+ )
+ thr->clear_pending_jni_exception_check(); // Just complain once
+ }
+}
+
+/**
+ * Add to the planned number of handles. I.e. plus current live & warning threshold
+ */
+static inline void
+add_planned_handle_capacity(JNIHandleBlock* handles, size_t capacity) {
+ handles->set_planned_capacity(capacity +
+ handles->get_number_of_live_handles() +
+ CHECK_JNI_LOCAL_REF_CAP_WARN_THRESHOLD);
+}
+
+
+static inline void
+functionEnterCritical(JavaThread* thr)
+{
+ check_pending_exception(thr);
+}
+
+static inline void
+functionEnterCriticalExceptionAllowed(JavaThread* thr)
+{
+}
+
+static inline void
+functionEnter(JavaThread* thr)
+{
+ if (thr->in_critical()) {
+ tty->print_cr("%s", warn_other_function_in_critical);
+ }
+ check_pending_exception(thr);
+}
+
+static inline void
+functionEnterExceptionAllowed(JavaThread* thr)
+{
+ if (thr->in_critical()) {
+ tty->print_cr("%s", warn_other_function_in_critical);
+ }
+}
+
+static inline void
+functionExit(JavaThread* thr)
+{
+ JNIHandleBlock* handles = thr->active_handles();
+ size_t planned_capacity = handles->get_planned_capacity();
+ size_t live_handles = handles->get_number_of_live_handles();
+ if (live_handles > planned_capacity) {
+ IN_VM(
+ tty->print_cr("WARNING: JNI local refs: " SIZE_FORMAT ", exceeds capacity: " SIZE_FORMAT,
+ live_handles, planned_capacity);
+ thr->print_stack();
+ )
+ // Complain just the once, reset to current + warn threshold
+ add_planned_handle_capacity(handles, 0);
+ }
+}
+
+static inline void
+checkStaticFieldID(JavaThread* thr, jfieldID fid, jclass cls, int ftype)
+{
+ fieldDescriptor fd;
+
+ /* make sure it is a static field */
+ if (!jfieldIDWorkaround::is_static_jfieldID(fid))
+ ReportJNIFatalError(thr, fatal_should_be_static);
+
+ /* validate the class being passed */
+ ASSERT_OOPS_ALLOWED;
+ Klass* k_oop = jniCheck::validate_class(thr, cls, false);
+
+ /* check for proper subclass hierarchy */
+ JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fid);
+ Klass* f_oop = id->holder();
+ if (!InstanceKlass::cast(k_oop)->is_subtype_of(f_oop))
+ ReportJNIFatalError(thr, fatal_wrong_static_field);
+
+ /* check for proper field type */
+ if (!id->find_local_field(&fd))
+ ReportJNIFatalError(thr, fatal_static_field_not_found);
+ if ((fd.field_type() != ftype) &&
+ !(fd.field_type() == T_ARRAY && ftype == T_OBJECT)) {
+ ReportJNIFatalError(thr, fatal_static_field_mismatch);
+ }
+}
+
+static inline void
+checkInstanceFieldID(JavaThread* thr, jfieldID fid, jobject obj, int ftype)
+{
+ fieldDescriptor fd;
+
+ /* make sure it is an instance field */
+ if (jfieldIDWorkaround::is_static_jfieldID(fid))
+ ReportJNIFatalError(thr, fatal_should_be_nonstatic);
+
+ /* validate the object being passed and then get its class */
+ ASSERT_OOPS_ALLOWED;
+ oop oopObj = jniCheck::validate_object(thr, obj);
+ if (!oopObj) {
+ ReportJNIFatalError(thr, fatal_null_object);
+ }
+ Klass* k_oop = oopObj->klass();
+
+ if (!jfieldIDWorkaround::is_valid_jfieldID(k_oop, fid)) {
+ ReportJNIFatalError(thr, fatal_wrong_field);
+ }
+
+ /* make sure the field exists */
+ int offset = jfieldIDWorkaround::from_instance_jfieldID(k_oop, fid);
+ if (!InstanceKlass::cast(k_oop)->contains_field_offset(offset))
+ ReportJNIFatalError(thr, fatal_wrong_field);
+
+ /* check for proper field type */
+ if (!InstanceKlass::cast(k_oop)->find_field_from_offset(offset,
+ false, &fd))
+ ReportJNIFatalError(thr, fatal_instance_field_not_found);
+
+ if ((fd.field_type() != ftype) &&
+ !(fd.field_type() == T_ARRAY && ftype == T_OBJECT)) {
+ ReportJNIFatalError(thr, fatal_instance_field_mismatch);
+ }
+}
+
+static inline void
+checkString(JavaThread* thr, jstring js)
+{
+ ASSERT_OOPS_ALLOWED;
+ oop s = jniCheck::validate_object(thr, js);
+ if (!s || !java_lang_String::is_instance(s))
+ ReportJNIFatalError(thr, fatal_non_string);
+}
+
+static inline arrayOop
+check_is_array(JavaThread* thr, jarray jArray)
+{
+ ASSERT_OOPS_ALLOWED;
+ arrayOop aOop;
+
+ aOop = (arrayOop)jniCheck::validate_object(thr, jArray);
+ if (aOop == NULL || !aOop->is_array()) {
+ ReportJNIFatalError(thr, fatal_non_array);
+ }
+ return aOop;
+}
+
+static inline arrayOop
+check_is_primitive_array(JavaThread* thr, jarray jArray) {
+ arrayOop aOop = check_is_array(thr, jArray);
+
+ if (!aOop->is_typeArray()) {
+ ReportJNIFatalError(thr, fatal_prim_type_array_expected);
+ }
+ return aOop;
+}
+
+static inline void
+check_primitive_array_type(JavaThread* thr, jarray jArray, BasicType elementType)
+{
+ BasicType array_type;
+ arrayOop aOop;
+
+ aOop = check_is_primitive_array(thr, jArray);
+ array_type = TypeArrayKlass::cast(aOop->klass())->element_type();
+ if (array_type != elementType) {
+ ReportJNIFatalError(thr, fatal_element_type_mismatch);
+ }
+}
+
+static inline void
+check_is_obj_array(JavaThread* thr, jarray jArray) {
+ arrayOop aOop = check_is_array(thr, jArray);
+ if (!aOop->is_objArray()) {
+ ReportJNIFatalError(thr, fatal_object_array_expected);
+ }
+}
+
+/*
+ * Copy and wrap array elements for bounds checking.
+ * Remember the original elements (GuardedMemory::get_tag())
+ */
+static void* check_jni_wrap_copy_array(JavaThread* thr, jarray array,
+ void* orig_elements) {
+ void* result;
+ IN_VM(
+ oop a = JNIHandles::resolve_non_null(array);
+ size_t len = arrayOop(a)->length() <<
+ TypeArrayKlass::cast(a->klass())->log2_element_size();
+ result = GuardedMemory::wrap_copy(orig_elements, len, orig_elements);
+ )
+ return result;
+}
+
+static void* check_wrapped_array(JavaThread* thr, const char* fn_name,
+ void* obj, void* carray, size_t* rsz) {
+ if (carray == NULL) {
+ tty->print_cr("%s: elements vector NULL" PTR_FORMAT, fn_name, p2i(obj));
+ NativeReportJNIFatalError(thr, "Elements vector NULL");
+ }
+ GuardedMemory guarded(carray);
+ void* orig_result = guarded.get_tag();
+ if (!guarded.verify_guards()) {
+ tty->print_cr("ReleasePrimitiveArrayCritical: release array failed bounds "
+ "check, incorrect pointer returned ? array: " PTR_FORMAT " carray: "
+ PTR_FORMAT, p2i(obj), p2i(carray));
+ guarded.print_on(tty);
+ NativeReportJNIFatalError(thr, "ReleasePrimitiveArrayCritical: "
+ "failed bounds check");
+ }
+ if (orig_result == NULL) {
+ tty->print_cr("ReleasePrimitiveArrayCritical: unrecognized elements. array: "
+ PTR_FORMAT " carray: " PTR_FORMAT, p2i(obj), p2i(carray));
+ guarded.print_on(tty);
+ NativeReportJNIFatalError(thr, "ReleasePrimitiveArrayCritical: "
+ "unrecognized elements");
+ }
+ if (rsz != NULL) {
+ *rsz = guarded.get_user_size();
+ }
+ return orig_result;
+}
+
+static void* check_wrapped_array_release(JavaThread* thr, const char* fn_name,
+ void* obj, void* carray, jint mode) {
+ size_t sz;
+ void* orig_result = check_wrapped_array(thr, fn_name, obj, carray, &sz);
+ switch (mode) {
+ case 0:
+ memcpy(orig_result, carray, sz);
+ GuardedMemory::free_copy(carray);
+ break;
+ case JNI_COMMIT:
+ memcpy(orig_result, carray, sz);
+ break;
+ case JNI_ABORT:
+ GuardedMemory::free_copy(carray);
+ break;
+ default:
+ tty->print_cr("%s: Unrecognized mode %i releasing array "
+ PTR_FORMAT " elements " PTR_FORMAT, fn_name, mode, p2i(obj), p2i(carray));
+ NativeReportJNIFatalError(thr, "Unrecognized array release mode");
+ }
+ return orig_result;
+}
+
+oop jniCheck::validate_handle(JavaThread* thr, jobject obj) {
+ if (JNIHandles::is_frame_handle(thr, obj) ||
+ JNIHandles::is_local_handle(thr, obj) ||
+ JNIHandles::is_global_handle(obj) ||
+ JNIHandles::is_weak_global_handle(obj)) {
+ ASSERT_OOPS_ALLOWED;
+ return JNIHandles::resolve_external_guard(obj);
+ }
+ ReportJNIFatalError(thr, fatal_bad_ref_to_jni);
+ return NULL;
+}
+
+
+Method* jniCheck::validate_jmethod_id(JavaThread* thr, jmethodID method_id) {
+ ASSERT_OOPS_ALLOWED;
+ // do the fast jmethodID check first
+ Method* moop = Method::checked_resolve_jmethod_id(method_id);
+ if (moop == NULL) {
+ ReportJNIFatalError(thr, fatal_wrong_class_or_method);
+ }
+ // jmethodIDs are supposed to be weak handles in the class loader data,
+ // but that can be expensive so check it last
+ else if (!Method::is_method_id(method_id)) {
+ ReportJNIFatalError(thr, fatal_non_weak_method);
+ }
+ return moop;
+}
+
+
+oop jniCheck::validate_object(JavaThread* thr, jobject obj) {
+ if (!obj)
+ return NULL;
+ ASSERT_OOPS_ALLOWED;
+ oop oopObj = jniCheck::validate_handle(thr, obj);
+ if (!oopObj) {
+ ReportJNIFatalError(thr, fatal_bad_ref_to_jni);
+ }
+ return oopObj;
+}
+
+// Warn if a class descriptor is in decorated form; class descriptors
+// passed to JNI findClass should not be decorated unless they are
+// array descriptors.
+void jniCheck::validate_class_descriptor(JavaThread* thr, const char* name) {
+ if (name == NULL) return; // implementation accepts NULL so just return
+
+ size_t len = strlen(name);
+
+ if (len >= 2 &&
+ name[0] == JVM_SIGNATURE_CLASS && // 'L'
+ name[len-1] == JVM_SIGNATURE_ENDCLASS ) { // ';'
+ char msg[JVM_MAXPATHLEN];
+ jio_snprintf(msg, JVM_MAXPATHLEN, "%s%s%s",
+ warn_bad_class_descriptor1, name, warn_bad_class_descriptor2);
+ ReportJNIWarning(thr, msg);
+ }
+}
+
+Klass* jniCheck::validate_class(JavaThread* thr, jclass clazz, bool allow_primitive) {
+ ASSERT_OOPS_ALLOWED;
+ oop mirror = jniCheck::validate_handle(thr, clazz);
+ if (!mirror) {
+ ReportJNIFatalError(thr, fatal_received_null_class);
+ }
+
+ if (mirror->klass() != SystemDictionary::Class_klass()) {
+ ReportJNIFatalError(thr, fatal_class_not_a_class);
+ }
+
+ Klass* k = java_lang_Class::as_Klass(mirror);
+ // Make allowances for primitive classes ...
+ if (!(k != NULL || (allow_primitive && java_lang_Class::is_primitive(mirror)))) {
+ ReportJNIFatalError(thr, fatal_class_not_a_class);
+ }
+ return k;
+}
+
+void jniCheck::validate_throwable_klass(JavaThread* thr, Klass* klass) {
+ ASSERT_OOPS_ALLOWED;
+ assert(klass != NULL, "klass argument must have a value");
+
+ if (!klass->is_instance_klass() ||
+ !InstanceKlass::cast(klass)->is_subclass_of(SystemDictionary::Throwable_klass())) {
+ ReportJNIFatalError(thr, fatal_class_not_a_throwable_class);
+ }
+}
+
+void jniCheck::validate_call_object(JavaThread* thr, jobject obj, jmethodID method_id) {
+ /* validate the object being passed */
+ ASSERT_OOPS_ALLOWED;
+ jniCheck::validate_jmethod_id(thr, method_id);
+ jniCheck::validate_object(thr, obj);
+}
+
+void jniCheck::validate_call_class(JavaThread* thr, jclass clazz, jmethodID method_id) {
+ /* validate the class being passed */
+ ASSERT_OOPS_ALLOWED;
+ jniCheck::validate_jmethod_id(thr, method_id);
+ jniCheck::validate_class(thr, clazz, false);
+}
+
+
+/*
+ * IMPLEMENTATION OF FUNCTIONS IN CHECKED TABLE
+ */
+
+JNI_ENTRY_CHECKED(jclass,
+ checked_jni_DefineClass(JNIEnv *env,
+ const char *name,
+ jobject loader,
+ const jbyte *buf,
+ jsize len))
+ functionEnter(thr);
+ IN_VM(
+ jniCheck::validate_object(thr, loader);
+ )
+ jclass result = UNCHECKED()->DefineClass(env, name, loader, buf, len);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jclass,
+ checked_jni_FindClass(JNIEnv *env,
+ const char *name))
+ functionEnter(thr);
+ IN_VM(
+ jniCheck::validate_class_descriptor(thr, name);
+ )
+ jclass result = UNCHECKED()->FindClass(env, name);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jmethodID,
+ checked_jni_FromReflectedMethod(JNIEnv *env,
+ jobject method))
+ functionEnter(thr);
+ IN_VM(
+ jniCheck::validate_object(thr, method);
+ )
+ jmethodID result = UNCHECKED()->FromReflectedMethod(env, method);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jfieldID,
+ checked_jni_FromReflectedField(JNIEnv *env,
+ jobject field))
+ functionEnter(thr);
+ IN_VM(
+ jniCheck::validate_object(thr, field);
+ )
+ jfieldID result = UNCHECKED()->FromReflectedField(env, field);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jobject,
+ checked_jni_ToReflectedMethod(JNIEnv *env,
+ jclass cls,
+ jmethodID methodID,
+ jboolean isStatic))
+ functionEnter(thr);
+ IN_VM(
+ jniCheck::validate_class(thr, cls, false);
+ jniCheck::validate_jmethod_id(thr, methodID);
+ )
+ jobject result = UNCHECKED()->ToReflectedMethod(env, cls, methodID,
+ isStatic);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jclass,
+ checked_jni_GetSuperclass(JNIEnv *env,
+ jclass sub))
+ functionEnter(thr);
+ IN_VM(
+ jniCheck::validate_class(thr, sub, true);
+ )
+ jclass result = UNCHECKED()->GetSuperclass(env, sub);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jboolean,
+ checked_jni_IsAssignableFrom(JNIEnv *env,
+ jclass sub,
+ jclass sup))
+ functionEnter(thr);
+ IN_VM(
+ jniCheck::validate_class(thr, sub, true);
+ jniCheck::validate_class(thr, sup, true);
+ )
+ jboolean result = UNCHECKED()->IsAssignableFrom(env, sub, sup);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jobject,
+ checked_jni_ToReflectedField(JNIEnv *env,
+ jclass cls,
+ jfieldID fieldID,
+ jboolean isStatic))
+ functionEnter(thr);
+ IN_VM(
+ jniCheck::validate_class(thr, cls, false);
+ )
+ jobject result = UNCHECKED()->ToReflectedField(env, cls, fieldID,
+ isStatic);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jint,
+ checked_jni_Throw(JNIEnv *env,
+ jthrowable obj))
+ functionEnter(thr);
+ IN_VM(
+ oop oopObj = jniCheck::validate_object(thr, obj);
+ if (oopObj == NULL) {
+ // Unchecked Throw tolerates a NULL obj, so just warn
+ ReportJNIWarning(thr, "JNI Throw called with NULL throwable");
+ } else {
+ jniCheck::validate_throwable_klass(thr, oopObj->klass());
+ }
+ )
+ jint result = UNCHECKED()->Throw(env, obj);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jint,
+ checked_jni_ThrowNew(JNIEnv *env,
+ jclass clazz,
+ const char *msg))
+ functionEnter(thr);
+ IN_VM(
+ Klass* k = jniCheck::validate_class(thr, clazz, false);
+ assert(k != NULL, "validate_class shouldn't return NULL Klass*");
+ jniCheck::validate_throwable_klass(thr, k);
+ )
+ jint result = UNCHECKED()->ThrowNew(env, clazz, msg);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jthrowable,
+ checked_jni_ExceptionOccurred(JNIEnv *env))
+ thr->clear_pending_jni_exception_check();
+ functionEnterExceptionAllowed(thr);
+ jthrowable result = UNCHECKED()->ExceptionOccurred(env);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(void,
+ checked_jni_ExceptionDescribe(JNIEnv *env))
+ functionEnterExceptionAllowed(thr);
+ UNCHECKED()->ExceptionDescribe(env);
+ functionExit(thr);
+JNI_END
+
+JNI_ENTRY_CHECKED(void,
+ checked_jni_ExceptionClear(JNIEnv *env))
+ thr->clear_pending_jni_exception_check();
+ functionEnterExceptionAllowed(thr);
+ UNCHECKED()->ExceptionClear(env);
+ functionExit(thr);
+JNI_END
+
+JNI_ENTRY_CHECKED(void,
+ checked_jni_FatalError(JNIEnv *env,
+ const char *msg))
+ thr->clear_pending_jni_exception_check();
+ functionEnter(thr);
+ UNCHECKED()->FatalError(env, msg);
+ functionExit(thr);
+JNI_END
+
+JNI_ENTRY_CHECKED(jint,
+ checked_jni_PushLocalFrame(JNIEnv *env,
+ jint capacity))
+ functionEnterExceptionAllowed(thr);
+ if (capacity < 0)
+ NativeReportJNIFatalError(thr, "negative capacity");
+ jint result = UNCHECKED()->PushLocalFrame(env, capacity);
+ if (result == JNI_OK) {
+ add_planned_handle_capacity(thr->active_handles(), capacity);
+ }
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jobject,
+ checked_jni_PopLocalFrame(JNIEnv *env,
+ jobject result))
+ functionEnterExceptionAllowed(thr);
+ jobject res = UNCHECKED()->PopLocalFrame(env, result);
+ functionExit(thr);
+ return res;
+JNI_END
+
+JNI_ENTRY_CHECKED(jobject,
+ checked_jni_NewGlobalRef(JNIEnv *env,
+ jobject lobj))
+ functionEnter(thr);
+ IN_VM(
+ if (lobj != NULL) {
+ jniCheck::validate_handle(thr, lobj);
+ }
+ )
+ jobject result = UNCHECKED()->NewGlobalRef(env,lobj);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(void,
+ checked_jni_DeleteGlobalRef(JNIEnv *env,
+ jobject gref))
+ functionEnterExceptionAllowed(thr);
+ IN_VM(
+ jniCheck::validate_object(thr, gref);
+ if (gref && !JNIHandles::is_global_handle(gref)) {
+ ReportJNIFatalError(thr,
+ "Invalid global JNI handle passed to DeleteGlobalRef");
+ }
+ )
+ UNCHECKED()->DeleteGlobalRef(env,gref);
+ functionExit(thr);
+JNI_END
+
+JNI_ENTRY_CHECKED(void,
+ checked_jni_DeleteLocalRef(JNIEnv *env,
+ jobject obj))
+ functionEnterExceptionAllowed(thr);
+ IN_VM(
+ jniCheck::validate_object(thr, obj);
+ if (obj && !(JNIHandles::is_local_handle(thr, obj) ||
+ JNIHandles::is_frame_handle(thr, obj)))
+ ReportJNIFatalError(thr,
+ "Invalid local JNI handle passed to DeleteLocalRef");
+ )
+ UNCHECKED()->DeleteLocalRef(env, obj);
+ functionExit(thr);
+JNI_END
+
+JNI_ENTRY_CHECKED(jboolean,
+ checked_jni_IsSameObject(JNIEnv *env,
+ jobject obj1,
+ jobject obj2))
+ functionEnterExceptionAllowed(thr);
+ IN_VM(
+ /* This JNI function can be used to compare weak global references
+ * to NULL objects. If the handles are valid, but contain NULL,
+ * then don't attempt to validate the object.
+ */
+ if (obj1 != NULL && jniCheck::validate_handle(thr, obj1) != NULL) {
+ jniCheck::validate_object(thr, obj1);
+ }
+ if (obj2 != NULL && jniCheck::validate_handle(thr, obj2) != NULL) {
+ jniCheck::validate_object(thr, obj2);
+ }
+ )
+ jboolean result = UNCHECKED()->IsSameObject(env,obj1,obj2);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jobject,
+ checked_jni_NewLocalRef(JNIEnv *env,
+ jobject ref))
+ functionEnter(thr);
+ IN_VM(
+ if (ref != NULL) {
+ jniCheck::validate_handle(thr, ref);
+ }
+ )
+ jobject result = UNCHECKED()->NewLocalRef(env, ref);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jint,
+ checked_jni_EnsureLocalCapacity(JNIEnv *env,
+ jint capacity))
+ functionEnter(thr);
+ if (capacity < 0) {
+ NativeReportJNIFatalError(thr, "negative capacity");
+ }
+ jint result = UNCHECKED()->EnsureLocalCapacity(env, capacity);
+ if (result == JNI_OK) {
+ add_planned_handle_capacity(thr->active_handles(), capacity);
+ }
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jobject,
+ checked_jni_AllocObject(JNIEnv *env,
+ jclass clazz))
+ functionEnter(thr);
+ IN_VM(
+ jniCheck::validate_class(thr, clazz, false);
+ )
+ jobject result = UNCHECKED()->AllocObject(env,clazz);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jobject,
+ checked_jni_NewObject(JNIEnv *env,
+ jclass clazz,
+ jmethodID methodID,
+ ...))
+ functionEnter(thr);
+ va_list args;
+ IN_VM(
+ jniCheck::validate_class(thr, clazz, false);
+ jniCheck::validate_jmethod_id(thr, methodID);
+ )
+ va_start(args, methodID);
+ jobject result = UNCHECKED()->NewObjectV(env,clazz,methodID,args);
+ va_end(args);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jobject,
+ checked_jni_NewObjectV(JNIEnv *env,
+ jclass clazz,
+ jmethodID methodID,
+ va_list args))
+ functionEnter(thr);
+ IN_VM(
+ jniCheck::validate_class(thr, clazz, false);
+ jniCheck::validate_jmethod_id(thr, methodID);
+ )
+ jobject result = UNCHECKED()->NewObjectV(env,clazz,methodID,args);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jobject,
+ checked_jni_NewObjectA(JNIEnv *env,
+ jclass clazz,
+ jmethodID methodID,
+ const jvalue *args))
+ functionEnter(thr);
+ IN_VM(
+ jniCheck::validate_class(thr, clazz, false);
+ jniCheck::validate_jmethod_id(thr, methodID);
+ )
+ jobject result = UNCHECKED()->NewObjectA(env,clazz,methodID,args);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jclass,
+ checked_jni_GetObjectClass(JNIEnv *env,
+ jobject obj))
+ functionEnter(thr);
+ IN_VM(
+ jniCheck::validate_object(thr, obj);
+ )
+ jclass result = UNCHECKED()->GetObjectClass(env,obj);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jboolean,
+ checked_jni_IsInstanceOf(JNIEnv *env,
+ jobject obj,
+ jclass clazz))
+ functionEnter(thr);
+ IN_VM(
+ jniCheck::validate_object(thr, obj);
+ jniCheck::validate_class(thr, clazz, true);
+ )
+ jboolean result = UNCHECKED()->IsInstanceOf(env,obj,clazz);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jmethodID,
+ checked_jni_GetMethodID(JNIEnv *env,
+ jclass clazz,
+ const char *name,
+ const char *sig))
+ functionEnter(thr);
+ IN_VM(
+ jniCheck::validate_class(thr, clazz, false);
+ )
+ jmethodID result = UNCHECKED()->GetMethodID(env,clazz,name,sig);
+ functionExit(thr);
+ return result;
+JNI_END
+
+#define WRAPPER_CallMethod(ResultType, Result) \
+JNI_ENTRY_CHECKED(ResultType, \
+ checked_jni_Call##Result##Method(JNIEnv *env, \
+ jobject obj, \
+ jmethodID methodID, \
+ ...)) \
+ functionEnter(thr); \
+ va_list args; \
+ IN_VM( \
+ jniCheck::validate_call_object(thr, obj, methodID); \
+ ) \
+ va_start(args,methodID); \
+ ResultType result =UNCHECKED()->Call##Result##MethodV(env, obj, methodID, \
+ args); \
+ va_end(args); \
+ thr->set_pending_jni_exception_check("Call"#Result"Method"); \
+ functionExit(thr); \
+ return result; \
+JNI_END \
+\
+JNI_ENTRY_CHECKED(ResultType, \
+ checked_jni_Call##Result##MethodV(JNIEnv *env, \
+ jobject obj, \
+ jmethodID methodID, \
+ va_list args)) \
+ functionEnter(thr); \
+ IN_VM(\
+ jniCheck::validate_call_object(thr, obj, methodID); \
+ ) \
+ ResultType result = UNCHECKED()->Call##Result##MethodV(env, obj, methodID,\
+ args); \
+ thr->set_pending_jni_exception_check("Call"#Result"MethodV"); \
+ functionExit(thr); \
+ return result; \
+JNI_END \
+\
+JNI_ENTRY_CHECKED(ResultType, \
+ checked_jni_Call##Result##MethodA(JNIEnv *env, \
+ jobject obj, \
+ jmethodID methodID, \
+ const jvalue * args)) \
+ functionEnter(thr); \
+ IN_VM( \
+ jniCheck::validate_call_object(thr, obj, methodID); \
+ ) \
+ ResultType result = UNCHECKED()->Call##Result##MethodA(env, obj, methodID,\
+ args); \
+ thr->set_pending_jni_exception_check("Call"#Result"MethodA"); \
+ functionExit(thr); \
+ return result; \
+JNI_END
+
+WRAPPER_CallMethod(jobject,Object)
+WRAPPER_CallMethod(jboolean,Boolean)
+WRAPPER_CallMethod(jbyte,Byte)
+WRAPPER_CallMethod(jshort,Short)
+WRAPPER_CallMethod(jchar,Char)
+WRAPPER_CallMethod(jint,Int)
+WRAPPER_CallMethod(jlong,Long)
+WRAPPER_CallMethod(jfloat,Float)
+WRAPPER_CallMethod(jdouble,Double)
+
+JNI_ENTRY_CHECKED(void,
+ checked_jni_CallVoidMethod(JNIEnv *env, \
+ jobject obj, \
+ jmethodID methodID, \
+ ...))
+ functionEnter(thr);
+ va_list args;
+ IN_VM(
+ jniCheck::validate_call_object(thr, obj, methodID);
+ )
+ va_start(args,methodID);
+ UNCHECKED()->CallVoidMethodV(env,obj,methodID,args);
+ va_end(args);
+ thr->set_pending_jni_exception_check("CallVoidMethod");
+ functionExit(thr);
+JNI_END
+
+JNI_ENTRY_CHECKED(void,
+ checked_jni_CallVoidMethodV(JNIEnv *env,
+ jobject obj,
+ jmethodID methodID,
+ va_list args))
+ functionEnter(thr);
+ IN_VM(
+ jniCheck::validate_call_object(thr, obj, methodID);
+ )
+ UNCHECKED()->CallVoidMethodV(env,obj,methodID,args);
+ thr->set_pending_jni_exception_check("CallVoidMethodV");
+ functionExit(thr);
+JNI_END
+
+JNI_ENTRY_CHECKED(void,
+ checked_jni_CallVoidMethodA(JNIEnv *env,
+ jobject obj,
+ jmethodID methodID,
+ const jvalue * args))
+ functionEnter(thr);
+ IN_VM(
+ jniCheck::validate_call_object(thr, obj, methodID);
+ )
+ UNCHECKED()->CallVoidMethodA(env,obj,methodID,args);
+ thr->set_pending_jni_exception_check("CallVoidMethodA");
+ functionExit(thr);
+JNI_END
+
+#define WRAPPER_CallNonvirtualMethod(ResultType, Result) \
+JNI_ENTRY_CHECKED(ResultType, \
+ checked_jni_CallNonvirtual##Result##Method(JNIEnv *env, \
+ jobject obj, \
+ jclass clazz, \
+ jmethodID methodID, \
+ ...)) \
+ functionEnter(thr); \
+ va_list args; \
+ IN_VM( \
+ jniCheck::validate_call_object(thr, obj, methodID); \
+ jniCheck::validate_call_class(thr, clazz, methodID); \
+ ) \
+ va_start(args,methodID); \
+ ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodV(env, \
+ obj, \
+ clazz, \
+ methodID,\
+ args); \
+ va_end(args); \
+ thr->set_pending_jni_exception_check("CallNonvirtual"#Result"Method"); \
+ functionExit(thr); \
+ return result; \
+JNI_END \
+\
+JNI_ENTRY_CHECKED(ResultType, \
+ checked_jni_CallNonvirtual##Result##MethodV(JNIEnv *env, \
+ jobject obj, \
+ jclass clazz, \
+ jmethodID methodID, \
+ va_list args)) \
+ functionEnter(thr); \
+ IN_VM( \
+ jniCheck::validate_call_object(thr, obj, methodID); \
+ jniCheck::validate_call_class(thr, clazz, methodID); \
+ ) \
+ ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodV(env, \
+ obj, \
+ clazz, \
+ methodID,\
+ args); \
+ thr->set_pending_jni_exception_check("CallNonvirtual"#Result"MethodV"); \
+ functionExit(thr); \
+ return result; \
+JNI_END \
+\
+JNI_ENTRY_CHECKED(ResultType, \
+ checked_jni_CallNonvirtual##Result##MethodA(JNIEnv *env, \
+ jobject obj, \
+ jclass clazz, \
+ jmethodID methodID, \
+ const jvalue * args)) \
+ functionEnter(thr); \
+ IN_VM( \
+ jniCheck::validate_call_object(thr, obj, methodID); \
+ jniCheck::validate_call_class(thr, clazz, methodID); \
+ ) \
+ ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodA(env, \
+ obj, \
+ clazz, \
+ methodID,\
+ args); \
+ thr->set_pending_jni_exception_check("CallNonvirtual"#Result"MethodA"); \
+ functionExit(thr); \
+ return result; \
+JNI_END
+
+WRAPPER_CallNonvirtualMethod(jobject,Object)
+WRAPPER_CallNonvirtualMethod(jboolean,Boolean)
+WRAPPER_CallNonvirtualMethod(jbyte,Byte)
+WRAPPER_CallNonvirtualMethod(jshort,Short)
+WRAPPER_CallNonvirtualMethod(jchar,Char)
+WRAPPER_CallNonvirtualMethod(jint,Int)
+WRAPPER_CallNonvirtualMethod(jlong,Long)
+WRAPPER_CallNonvirtualMethod(jfloat,Float)
+WRAPPER_CallNonvirtualMethod(jdouble,Double)
+
+JNI_ENTRY_CHECKED(void,
+ checked_jni_CallNonvirtualVoidMethod(JNIEnv *env,
+ jobject obj,
+ jclass clazz,
+ jmethodID methodID,
+ ...))
+ functionEnter(thr);
+ va_list args;
+ IN_VM(
+ jniCheck::validate_call_object(thr, obj, methodID);
+ jniCheck::validate_call_class(thr, clazz, methodID);
+ )
+ va_start(args,methodID);
+ UNCHECKED()->CallNonvirtualVoidMethodV(env,obj,clazz,methodID,args);
+ va_end(args);
+ thr->set_pending_jni_exception_check("CallNonvirtualVoidMethod");
+ functionExit(thr);
+JNI_END
+
+JNI_ENTRY_CHECKED(void,
+ checked_jni_CallNonvirtualVoidMethodV(JNIEnv *env,
+ jobject obj,
+ jclass clazz,
+ jmethodID methodID,
+ va_list args))
+ functionEnter(thr);
+ IN_VM(
+ jniCheck::validate_call_object(thr, obj, methodID);
+ jniCheck::validate_call_class(thr, clazz, methodID);
+ )
+ UNCHECKED()->CallNonvirtualVoidMethodV(env,obj,clazz,methodID,args);
+ thr->set_pending_jni_exception_check("CallNonvirtualVoidMethodV");
+ functionExit(thr);
+JNI_END
+
+JNI_ENTRY_CHECKED(void,
+ checked_jni_CallNonvirtualVoidMethodA(JNIEnv *env,
+ jobject obj,
+ jclass clazz,
+ jmethodID methodID,
+ const jvalue * args))
+ functionEnter(thr);
+ IN_VM(
+ jniCheck::validate_call_object(thr, obj, methodID);
+ jniCheck::validate_call_class(thr, clazz, methodID);
+ )
+ UNCHECKED()->CallNonvirtualVoidMethodA(env,obj,clazz,methodID,args);
+ thr->set_pending_jni_exception_check("CallNonvirtualVoidMethodA");
+ functionExit(thr);
+JNI_END
+
+JNI_ENTRY_CHECKED(jfieldID,
+ checked_jni_GetFieldID(JNIEnv *env,
+ jclass clazz,
+ const char *name,
+ const char *sig))
+ functionEnter(thr);
+ IN_VM(
+ jniCheck::validate_class(thr, clazz, false);
+ )
+ jfieldID result = UNCHECKED()->GetFieldID(env,clazz,name,sig);
+ functionExit(thr);
+ return result;
+JNI_END
+
+#define WRAPPER_GetField(ReturnType,Result,FieldType) \
+JNI_ENTRY_CHECKED(ReturnType, \
+ checked_jni_Get##Result##Field(JNIEnv *env, \
+ jobject obj, \
+ jfieldID fieldID)) \
+ functionEnter(thr); \
+ IN_VM( \
+ checkInstanceFieldID(thr, fieldID, obj, FieldType); \
+ ) \
+ ReturnType result = UNCHECKED()->Get##Result##Field(env,obj,fieldID); \
+ functionExit(thr); \
+ return result; \
+JNI_END
+
+WRAPPER_GetField(jobject, Object, T_OBJECT)
+WRAPPER_GetField(jboolean, Boolean, T_BOOLEAN)
+WRAPPER_GetField(jbyte, Byte, T_BYTE)
+WRAPPER_GetField(jshort, Short, T_SHORT)
+WRAPPER_GetField(jchar, Char, T_CHAR)
+WRAPPER_GetField(jint, Int, T_INT)
+WRAPPER_GetField(jlong, Long, T_LONG)
+WRAPPER_GetField(jfloat, Float, T_FLOAT)
+WRAPPER_GetField(jdouble, Double, T_DOUBLE)
+
+#define WRAPPER_SetField(ValueType,Result,FieldType) \
+JNI_ENTRY_CHECKED(void, \
+ checked_jni_Set##Result##Field(JNIEnv *env, \
+ jobject obj, \
+ jfieldID fieldID, \
+ ValueType val)) \
+ functionEnter(thr); \
+ IN_VM( \
+ checkInstanceFieldID(thr, fieldID, obj, FieldType); \
+ ) \
+ UNCHECKED()->Set##Result##Field(env,obj,fieldID,val); \
+ functionExit(thr); \
+JNI_END
+
+WRAPPER_SetField(jobject, Object, T_OBJECT)
+WRAPPER_SetField(jboolean, Boolean, T_BOOLEAN)
+WRAPPER_SetField(jbyte, Byte, T_BYTE)
+WRAPPER_SetField(jshort, Short, T_SHORT)
+WRAPPER_SetField(jchar, Char, T_CHAR)
+WRAPPER_SetField(jint, Int, T_INT)
+WRAPPER_SetField(jlong, Long, T_LONG)
+WRAPPER_SetField(jfloat, Float, T_FLOAT)
+WRAPPER_SetField(jdouble, Double, T_DOUBLE)
+
+
+JNI_ENTRY_CHECKED(jmethodID,
+ checked_jni_GetStaticMethodID(JNIEnv *env,
+ jclass clazz,
+ const char *name,
+ const char *sig))
+ functionEnter(thr);
+ IN_VM(
+ jniCheck::validate_class(thr, clazz, false);
+ )
+ jmethodID result = UNCHECKED()->GetStaticMethodID(env,clazz,name,sig);
+ functionExit(thr);
+ return result;
+JNI_END
+
+#define WRAPPER_CallStaticMethod(ReturnType,Result) \
+JNI_ENTRY_CHECKED(ReturnType, \
+ checked_jni_CallStatic##Result##Method(JNIEnv *env, \
+ jclass clazz, \
+ jmethodID methodID, \
+ ...)) \
+ functionEnter(thr); \
+ va_list args; \
+ IN_VM( \
+ jniCheck::validate_jmethod_id(thr, methodID); \
+ jniCheck::validate_class(thr, clazz, false); \
+ ) \
+ va_start(args,methodID); \
+ ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \
+ clazz, \
+ methodID, \
+ args); \
+ va_end(args); \
+ thr->set_pending_jni_exception_check("CallStatic"#Result"Method"); \
+ functionExit(thr); \
+ return result; \
+JNI_END \
+\
+JNI_ENTRY_CHECKED(ReturnType, \
+ checked_jni_CallStatic##Result##MethodV(JNIEnv *env, \
+ jclass clazz, \
+ jmethodID methodID,\
+ va_list args)) \
+ functionEnter(thr); \
+ IN_VM( \
+ jniCheck::validate_jmethod_id(thr, methodID); \
+ jniCheck::validate_class(thr, clazz, false); \
+ ) \
+ ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \
+ clazz, \
+ methodID, \
+ args); \
+ thr->set_pending_jni_exception_check("CallStatic"#Result"MethodV"); \
+ functionExit(thr); \
+ return result; \
+JNI_END \
+\
+JNI_ENTRY_CHECKED(ReturnType, \
+ checked_jni_CallStatic##Result##MethodA(JNIEnv *env, \
+ jclass clazz, \
+ jmethodID methodID, \
+ const jvalue *args)) \
+ functionEnter(thr); \
+ IN_VM( \
+ jniCheck::validate_jmethod_id(thr, methodID); \
+ jniCheck::validate_class(thr, clazz, false); \
+ ) \
+ ReturnType result = UNCHECKED()->CallStatic##Result##MethodA(env, \
+ clazz, \
+ methodID, \
+ args); \
+ thr->set_pending_jni_exception_check("CallStatic"#Result"MethodA"); \
+ functionExit(thr); \
+ return result; \
+JNI_END
+
+WRAPPER_CallStaticMethod(jobject,Object)
+WRAPPER_CallStaticMethod(jboolean,Boolean)
+WRAPPER_CallStaticMethod(jbyte,Byte)
+WRAPPER_CallStaticMethod(jshort,Short)
+WRAPPER_CallStaticMethod(jchar,Char)
+WRAPPER_CallStaticMethod(jint,Int)
+WRAPPER_CallStaticMethod(jlong,Long)
+WRAPPER_CallStaticMethod(jfloat,Float)
+WRAPPER_CallStaticMethod(jdouble,Double)
+
+JNI_ENTRY_CHECKED(void,
+ checked_jni_CallStaticVoidMethod(JNIEnv *env,
+ jclass cls,
+ jmethodID methodID,
+ ...))
+ functionEnter(thr);
+ va_list args;
+ IN_VM(
+ jniCheck::validate_jmethod_id(thr, methodID);
+ jniCheck::validate_class(thr, cls, false);
+ )
+ va_start(args,methodID);
+ UNCHECKED()->CallStaticVoidMethodV(env,cls,methodID,args);
+ va_end(args);
+ thr->set_pending_jni_exception_check("CallStaticVoidMethod");
+ functionExit(thr);
+JNI_END
+
+JNI_ENTRY_CHECKED(void,
+ checked_jni_CallStaticVoidMethodV(JNIEnv *env,
+ jclass cls,
+ jmethodID methodID,
+ va_list args))
+ functionEnter(thr);
+ IN_VM(
+ jniCheck::validate_jmethod_id(thr, methodID);
+ jniCheck::validate_class(thr, cls, false);
+ )
+ UNCHECKED()->CallStaticVoidMethodV(env,cls,methodID,args);
+ thr->set_pending_jni_exception_check("CallStaticVoidMethodV");
+ functionExit(thr);
+JNI_END
+
+JNI_ENTRY_CHECKED(void,
+ checked_jni_CallStaticVoidMethodA(JNIEnv *env,
+ jclass cls,
+ jmethodID methodID,
+ const jvalue * args))
+ functionEnter(thr);
+ IN_VM(
+ jniCheck::validate_jmethod_id(thr, methodID);
+ jniCheck::validate_class(thr, cls, false);
+ )
+ UNCHECKED()->CallStaticVoidMethodA(env,cls,methodID,args);
+ thr->set_pending_jni_exception_check("CallStaticVoidMethodA");
+ functionExit(thr);
+JNI_END
+
+JNI_ENTRY_CHECKED(jfieldID,
+ checked_jni_GetStaticFieldID(JNIEnv *env,
+ jclass clazz,
+ const char *name,
+ const char *sig))
+ functionEnter(thr);
+ IN_VM(
+ jniCheck::validate_class(thr, clazz, false);
+ )
+ jfieldID result = UNCHECKED()->GetStaticFieldID(env,clazz,name,sig);
+ functionExit(thr);
+ return result;
+JNI_END
+
+#define WRAPPER_GetStaticField(ReturnType,Result,FieldType) \
+JNI_ENTRY_CHECKED(ReturnType, \
+ checked_jni_GetStatic##Result##Field(JNIEnv *env, \
+ jclass clazz, \
+ jfieldID fieldID)) \
+ functionEnter(thr); \
+ IN_VM( \
+ jniCheck::validate_class(thr, clazz, false); \
+ checkStaticFieldID(thr, fieldID, clazz, FieldType); \
+ ) \
+ ReturnType result = UNCHECKED()->GetStatic##Result##Field(env, \
+ clazz, \
+ fieldID); \
+ functionExit(thr); \
+ return result; \
+JNI_END
+
+WRAPPER_GetStaticField(jobject, Object, T_OBJECT)
+WRAPPER_GetStaticField(jboolean, Boolean, T_BOOLEAN)
+WRAPPER_GetStaticField(jbyte, Byte, T_BYTE)
+WRAPPER_GetStaticField(jshort, Short, T_SHORT)
+WRAPPER_GetStaticField(jchar, Char, T_CHAR)
+WRAPPER_GetStaticField(jint, Int, T_INT)
+WRAPPER_GetStaticField(jlong, Long, T_LONG)
+WRAPPER_GetStaticField(jfloat, Float, T_FLOAT)
+WRAPPER_GetStaticField(jdouble, Double, T_DOUBLE)
+
+#define WRAPPER_SetStaticField(ValueType,Result,FieldType) \
+JNI_ENTRY_CHECKED(void, \
+ checked_jni_SetStatic##Result##Field(JNIEnv *env, \
+ jclass clazz, \
+ jfieldID fieldID, \
+ ValueType value)) \
+ functionEnter(thr); \
+ IN_VM( \
+ jniCheck::validate_class(thr, clazz, false); \
+ checkStaticFieldID(thr, fieldID, clazz, FieldType); \
+ ) \
+ UNCHECKED()->SetStatic##Result##Field(env,clazz,fieldID,value); \
+ functionExit(thr); \
+JNI_END
+
+WRAPPER_SetStaticField(jobject, Object, T_OBJECT)
+WRAPPER_SetStaticField(jboolean, Boolean, T_BOOLEAN)
+WRAPPER_SetStaticField(jbyte, Byte, T_BYTE)
+WRAPPER_SetStaticField(jshort, Short, T_SHORT)
+WRAPPER_SetStaticField(jchar, Char, T_CHAR)
+WRAPPER_SetStaticField(jint, Int, T_INT)
+WRAPPER_SetStaticField(jlong, Long, T_LONG)
+WRAPPER_SetStaticField(jfloat, Float, T_FLOAT)
+WRAPPER_SetStaticField(jdouble, Double, T_DOUBLE)
+
+
+JNI_ENTRY_CHECKED(jstring,
+ checked_jni_NewString(JNIEnv *env,
+ const jchar *unicode,
+ jsize len))
+ functionEnter(thr);
+ jstring result = UNCHECKED()->NewString(env,unicode,len);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jsize,
+ checked_jni_GetStringLength(JNIEnv *env,
+ jstring str))
+ functionEnter(thr);
+ IN_VM(
+ checkString(thr, str);
+ )
+ jsize result = UNCHECKED()->GetStringLength(env,str);
+ functionExit(thr);
+ return result;
+JNI_END
+
+// Arbitrary (but well-known) tag
+const void* STRING_TAG = (void*)0x47114711;
+
+JNI_ENTRY_CHECKED(const jchar *,
+ checked_jni_GetStringChars(JNIEnv *env,
+ jstring str,
+ jboolean *isCopy))
+ functionEnter(thr);
+ IN_VM(
+ checkString(thr, str);
+ )
+ jchar* new_result = NULL;
+ const jchar *result = UNCHECKED()->GetStringChars(env,str,isCopy);
+ assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringChars didn't return a copy as expected");
+ if (result != NULL) {
+ size_t len = UNCHECKED()->GetStringLength(env,str) + 1; // + 1 for NULL termination
+ len *= sizeof(jchar);
+ new_result = (jchar*) GuardedMemory::wrap_copy(result, len, STRING_TAG);
+ if (new_result == NULL) {
+ vm_exit_out_of_memory(len, OOM_MALLOC_ERROR, "checked_jni_GetStringChars");
+ }
+ // Avoiding call to UNCHECKED()->ReleaseStringChars() since that will fire unexpected dtrace probes
+ // Note that the dtrace arguments for the allocated memory will not match up with this solution.
+ FreeHeap((char*)result);
+ }
+ functionExit(thr);
+ return new_result;
+JNI_END
+
+JNI_ENTRY_CHECKED(void,
+ checked_jni_ReleaseStringChars(JNIEnv *env,
+ jstring str,
+ const jchar *chars))
+ functionEnterExceptionAllowed(thr);
+ IN_VM(
+ checkString(thr, str);
+ )
+ if (chars == NULL) {
+ // still do the unchecked call to allow dtrace probes
+ UNCHECKED()->ReleaseStringChars(env,str,chars);
+ }
+ else {
+ GuardedMemory guarded((void*)chars);
+ if (!guarded.verify_guards()) {
+ tty->print_cr("ReleaseStringChars: release chars failed bounds check. "
+ "string: " PTR_FORMAT " chars: " PTR_FORMAT, p2i(str), p2i(chars));
+ guarded.print_on(tty);
+ NativeReportJNIFatalError(thr, "ReleaseStringChars: "
+ "release chars failed bounds check.");
+ }
+ if (guarded.get_tag() != STRING_TAG) {
+ tty->print_cr("ReleaseStringChars: called on something not allocated "
+ "by GetStringChars. string: " PTR_FORMAT " chars: " PTR_FORMAT,
+ p2i(str), p2i(chars));
+ NativeReportJNIFatalError(thr, "ReleaseStringChars called on something "
+ "not allocated by GetStringChars");
+ }
+ UNCHECKED()->ReleaseStringChars(env, str,
+ (const jchar*) guarded.release_for_freeing());
+ }
+ functionExit(thr);
+JNI_END
+
+JNI_ENTRY_CHECKED(jstring,
+ checked_jni_NewStringUTF(JNIEnv *env,
+ const char *utf))
+ functionEnter(thr);
+ jstring result = UNCHECKED()->NewStringUTF(env,utf);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jsize,
+ checked_jni_GetStringUTFLength(JNIEnv *env,
+ jstring str))
+ functionEnter(thr);
+ IN_VM(
+ checkString(thr, str);
+ )
+ jsize result = UNCHECKED()->GetStringUTFLength(env,str);
+ functionExit(thr);
+ return result;
+JNI_END
+
+// Arbitrary (but well-known) tag - different than GetStringChars
+const void* STRING_UTF_TAG = (void*) 0x48124812;
+
+JNI_ENTRY_CHECKED(const char *,
+ checked_jni_GetStringUTFChars(JNIEnv *env,
+ jstring str,
+ jboolean *isCopy))
+ functionEnter(thr);
+ IN_VM(
+ checkString(thr, str);
+ )
+ char* new_result = NULL;
+ const char *result = UNCHECKED()->GetStringUTFChars(env,str,isCopy);
+ assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringUTFChars didn't return a copy as expected");
+ if (result != NULL) {
+ size_t len = strlen(result) + 1; // + 1 for NULL termination
+ new_result = (char*) GuardedMemory::wrap_copy(result, len, STRING_UTF_TAG);
+ if (new_result == NULL) {
+ vm_exit_out_of_memory(len, OOM_MALLOC_ERROR, "checked_jni_GetStringUTFChars");
+ }
+ // Avoiding call to UNCHECKED()->ReleaseStringUTFChars() since that will fire unexpected dtrace probes
+ // Note that the dtrace arguments for the allocated memory will not match up with this solution.
+ FreeHeap((char*)result);
+ }
+ functionExit(thr);
+ return new_result;
+JNI_END
+
+JNI_ENTRY_CHECKED(void,
+ checked_jni_ReleaseStringUTFChars(JNIEnv *env,
+ jstring str,
+ const char* chars))
+ functionEnterExceptionAllowed(thr);
+ IN_VM(
+ checkString(thr, str);
+ )
+ if (chars == NULL) {
+ // still do the unchecked call to allow dtrace probes
+ UNCHECKED()->ReleaseStringUTFChars(env,str,chars);
+ }
+ else {
+ GuardedMemory guarded((void*)chars);
+ if (!guarded.verify_guards()) {
+ tty->print_cr("ReleaseStringUTFChars: release chars failed bounds check. "
+ "string: " PTR_FORMAT " chars: " PTR_FORMAT, p2i(str), p2i(chars));
+ guarded.print_on(tty);
+ NativeReportJNIFatalError(thr, "ReleaseStringUTFChars: "
+ "release chars failed bounds check.");
+ }
+ if (guarded.get_tag() != STRING_UTF_TAG) {
+ tty->print_cr("ReleaseStringUTFChars: called on something not "
+ "allocated by GetStringUTFChars. string: " PTR_FORMAT " chars: "
+ PTR_FORMAT, p2i(str), p2i(chars));
+ NativeReportJNIFatalError(thr, "ReleaseStringUTFChars "
+ "called on something not allocated by GetStringUTFChars");
+ }
+ UNCHECKED()->ReleaseStringUTFChars(env, str,
+ (const char*) guarded.release_for_freeing());
+ }
+ functionExit(thr);
+JNI_END
+
+JNI_ENTRY_CHECKED(jsize,
+ checked_jni_GetArrayLength(JNIEnv *env,
+ jarray array))
+ functionEnter(thr);
+ IN_VM(
+ check_is_array(thr, array);
+ )
+ jsize result = UNCHECKED()->GetArrayLength(env,array);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jobjectArray,
+ checked_jni_NewObjectArray(JNIEnv *env,
+ jsize len,
+ jclass clazz,
+ jobject init))
+ functionEnter(thr);
+ jobjectArray result = UNCHECKED()->NewObjectArray(env,len,clazz,init);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jobject,
+ checked_jni_GetObjectArrayElement(JNIEnv *env,
+ jobjectArray array,
+ jsize index))
+ functionEnter(thr);
+ IN_VM(
+ check_is_obj_array(thr, array);
+ )
+ jobject result = UNCHECKED()->GetObjectArrayElement(env,array,index);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(void,
+ checked_jni_SetObjectArrayElement(JNIEnv *env,
+ jobjectArray array,
+ jsize index,
+ jobject val))
+ functionEnter(thr);
+ IN_VM(
+ check_is_obj_array(thr, array);
+ )
+ UNCHECKED()->SetObjectArrayElement(env,array,index,val);
+ functionExit(thr);
+JNI_END
+
+#define WRAPPER_NewScalarArray(Return, Result) \
+JNI_ENTRY_CHECKED(Return, \
+ checked_jni_New##Result##Array(JNIEnv *env, \
+ jsize len)) \
+ functionEnter(thr); \
+ Return result = UNCHECKED()->New##Result##Array(env,len); \
+ functionExit(thr); \
+ return (Return) result; \
+JNI_END
+
+WRAPPER_NewScalarArray(jbooleanArray, Boolean)
+WRAPPER_NewScalarArray(jbyteArray, Byte)
+WRAPPER_NewScalarArray(jshortArray, Short)
+WRAPPER_NewScalarArray(jcharArray, Char)
+WRAPPER_NewScalarArray(jintArray, Int)
+WRAPPER_NewScalarArray(jlongArray, Long)
+WRAPPER_NewScalarArray(jfloatArray, Float)
+WRAPPER_NewScalarArray(jdoubleArray, Double)
+
+#define WRAPPER_GetScalarArrayElements(ElementTag,ElementType,Result) \
+JNI_ENTRY_CHECKED(ElementType *, \
+ checked_jni_Get##Result##ArrayElements(JNIEnv *env, \
+ ElementType##Array array, \
+ jboolean *isCopy)) \
+ functionEnter(thr); \
+ IN_VM( \
+ check_primitive_array_type(thr, array, ElementTag); \
+ ) \
+ ElementType *result = UNCHECKED()->Get##Result##ArrayElements(env, \
+ array, \
+ isCopy); \
+ if (result != NULL) { \
+ result = (ElementType *) check_jni_wrap_copy_array(thr, array, result); \
+ } \
+ functionExit(thr); \
+ return result; \
+JNI_END
+
+WRAPPER_GetScalarArrayElements(T_BOOLEAN, jboolean, Boolean)
+WRAPPER_GetScalarArrayElements(T_BYTE, jbyte, Byte)
+WRAPPER_GetScalarArrayElements(T_SHORT, jshort, Short)
+WRAPPER_GetScalarArrayElements(T_CHAR, jchar, Char)
+WRAPPER_GetScalarArrayElements(T_INT, jint, Int)
+WRAPPER_GetScalarArrayElements(T_LONG, jlong, Long)
+WRAPPER_GetScalarArrayElements(T_FLOAT, jfloat, Float)
+WRAPPER_GetScalarArrayElements(T_DOUBLE, jdouble, Double)
+
+#define WRAPPER_ReleaseScalarArrayElements(ElementTag,ElementType,Result,Tag) \
+JNI_ENTRY_CHECKED(void, \
+ checked_jni_Release##Result##ArrayElements(JNIEnv *env, \
+ ElementType##Array array, \
+ ElementType *elems, \
+ jint mode)) \
+ functionEnterExceptionAllowed(thr); \
+ IN_VM( \
+ check_primitive_array_type(thr, array, ElementTag); \
+ ASSERT_OOPS_ALLOWED; \
+ typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \
+ ) \
+ ElementType* orig_result = (ElementType *) check_wrapped_array_release( \
+ thr, "checked_jni_Release"#Result"ArrayElements", array, elems, mode); \
+ UNCHECKED()->Release##Result##ArrayElements(env, array, orig_result, mode); \
+ functionExit(thr); \
+JNI_END
+
+WRAPPER_ReleaseScalarArrayElements(T_BOOLEAN,jboolean, Boolean, bool)
+WRAPPER_ReleaseScalarArrayElements(T_BYTE, jbyte, Byte, byte)
+WRAPPER_ReleaseScalarArrayElements(T_SHORT, jshort, Short, short)
+WRAPPER_ReleaseScalarArrayElements(T_CHAR, jchar, Char, char)
+WRAPPER_ReleaseScalarArrayElements(T_INT, jint, Int, int)
+WRAPPER_ReleaseScalarArrayElements(T_LONG, jlong, Long, long)
+WRAPPER_ReleaseScalarArrayElements(T_FLOAT, jfloat, Float, float)
+WRAPPER_ReleaseScalarArrayElements(T_DOUBLE, jdouble, Double, double)
+
+#define WRAPPER_GetScalarArrayRegion(ElementTag,ElementType,Result) \
+JNI_ENTRY_CHECKED(void, \
+ checked_jni_Get##Result##ArrayRegion(JNIEnv *env, \
+ ElementType##Array array, \
+ jsize start, \
+ jsize len, \
+ ElementType *buf)) \
+ functionEnter(thr); \
+ IN_VM( \
+ check_primitive_array_type(thr, array, ElementTag); \
+ ) \
+ UNCHECKED()->Get##Result##ArrayRegion(env,array,start,len,buf); \
+ functionExit(thr); \
+JNI_END
+
+WRAPPER_GetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean)
+WRAPPER_GetScalarArrayRegion(T_BYTE, jbyte, Byte)
+WRAPPER_GetScalarArrayRegion(T_SHORT, jshort, Short)
+WRAPPER_GetScalarArrayRegion(T_CHAR, jchar, Char)
+WRAPPER_GetScalarArrayRegion(T_INT, jint, Int)
+WRAPPER_GetScalarArrayRegion(T_LONG, jlong, Long)
+WRAPPER_GetScalarArrayRegion(T_FLOAT, jfloat, Float)
+WRAPPER_GetScalarArrayRegion(T_DOUBLE, jdouble, Double)
+
+#define WRAPPER_SetScalarArrayRegion(ElementTag,ElementType,Result) \
+JNI_ENTRY_CHECKED(void, \
+ checked_jni_Set##Result##ArrayRegion(JNIEnv *env, \
+ ElementType##Array array, \
+ jsize start, \
+ jsize len, \
+ const ElementType *buf)) \
+ functionEnter(thr); \
+ IN_VM( \
+ check_primitive_array_type(thr, array, ElementTag); \
+ ) \
+ UNCHECKED()->Set##Result##ArrayRegion(env,array,start,len,buf); \
+ functionExit(thr); \
+JNI_END
+
+WRAPPER_SetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean)
+WRAPPER_SetScalarArrayRegion(T_BYTE, jbyte, Byte)
+WRAPPER_SetScalarArrayRegion(T_SHORT, jshort, Short)
+WRAPPER_SetScalarArrayRegion(T_CHAR, jchar, Char)
+WRAPPER_SetScalarArrayRegion(T_INT, jint, Int)
+WRAPPER_SetScalarArrayRegion(T_LONG, jlong, Long)
+WRAPPER_SetScalarArrayRegion(T_FLOAT, jfloat, Float)
+WRAPPER_SetScalarArrayRegion(T_DOUBLE, jdouble, Double)
+
+JNI_ENTRY_CHECKED(jint,
+ checked_jni_RegisterNatives(JNIEnv *env,
+ jclass clazz,
+ const JNINativeMethod *methods,
+ jint nMethods))
+ functionEnter(thr);
+ jint result = UNCHECKED()->RegisterNatives(env,clazz,methods,nMethods);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jint,
+ checked_jni_UnregisterNatives(JNIEnv *env,
+ jclass clazz))
+ functionEnter(thr);
+ jint result = UNCHECKED()->UnregisterNatives(env,clazz);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jint,
+ checked_jni_MonitorEnter(JNIEnv *env,
+ jobject obj))
+ functionEnter(thr);
+ IN_VM(
+ jniCheck::validate_object(thr, obj);
+ )
+ jint result = UNCHECKED()->MonitorEnter(env,obj);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jint,
+ checked_jni_MonitorExit(JNIEnv *env,
+ jobject obj))
+ functionEnterExceptionAllowed(thr);
+ IN_VM(
+ jniCheck::validate_object(thr, obj);
+ )
+ jint result = UNCHECKED()->MonitorExit(env,obj);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jint,
+ checked_jni_GetJavaVM(JNIEnv *env,
+ JavaVM **vm))
+ functionEnter(thr);
+ jint result = UNCHECKED()->GetJavaVM(env,vm);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(void,
+ checked_jni_GetStringRegion(JNIEnv *env,
+ jstring str,
+ jsize start,
+ jsize len,
+ jchar *buf))
+ functionEnter(thr);
+ IN_VM(
+ checkString(thr, str);
+ )
+ UNCHECKED()->GetStringRegion(env, str, start, len, buf);
+ functionExit(thr);
+JNI_END
+
+JNI_ENTRY_CHECKED(void,
+ checked_jni_GetStringUTFRegion(JNIEnv *env,
+ jstring str,
+ jsize start,
+ jsize len,
+ char *buf))
+ functionEnter(thr);
+ IN_VM(
+ checkString(thr, str);
+ )
+ UNCHECKED()->GetStringUTFRegion(env, str, start, len, buf);
+ functionExit(thr);
+JNI_END
+
+JNI_ENTRY_CHECKED(void *,
+ checked_jni_GetPrimitiveArrayCritical(JNIEnv *env,
+ jarray array,
+ jboolean *isCopy))
+ functionEnterCritical(thr);
+ IN_VM(
+ check_is_primitive_array(thr, array);
+ )
+ void *result = UNCHECKED()->GetPrimitiveArrayCritical(env, array, isCopy);
+ if (result != NULL) {
+ result = check_jni_wrap_copy_array(thr, array, result);
+ }
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(void,
+ checked_jni_ReleasePrimitiveArrayCritical(JNIEnv *env,
+ jarray array,
+ void *carray,
+ jint mode))
+ functionEnterCriticalExceptionAllowed(thr);
+ IN_VM(
+ check_is_primitive_array(thr, array);
+ )
+ // Check the element array...
+ void* orig_result = check_wrapped_array_release(thr, "ReleasePrimitiveArrayCritical", array, carray, mode);
+ UNCHECKED()->ReleasePrimitiveArrayCritical(env, array, orig_result, mode);
+ functionExit(thr);
+JNI_END
+
+JNI_ENTRY_CHECKED(const jchar*,
+ checked_jni_GetStringCritical(JNIEnv *env,
+ jstring string,
+ jboolean *isCopy))
+ functionEnterCritical(thr);
+ IN_VM(
+ checkString(thr, string);
+ )
+ const jchar *result = UNCHECKED()->GetStringCritical(env, string, isCopy);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(void,
+ checked_jni_ReleaseStringCritical(JNIEnv *env,
+ jstring str,
+ const jchar *chars))
+ functionEnterCriticalExceptionAllowed(thr);
+ IN_VM(
+ checkString(thr, str);
+ )
+ /* The Hotspot JNI code does not use the parameters, so just check the
+ * string parameter as a minor sanity check
+ */
+ UNCHECKED()->ReleaseStringCritical(env, str, chars);
+ functionExit(thr);
+JNI_END
+
+JNI_ENTRY_CHECKED(jweak,
+ checked_jni_NewWeakGlobalRef(JNIEnv *env,
+ jobject obj))
+ functionEnter(thr);
+ IN_VM(
+ if (obj != NULL) {
+ jniCheck::validate_handle(thr, obj);
+ }
+ )
+ jweak result = UNCHECKED()->NewWeakGlobalRef(env, obj);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(void,
+ checked_jni_DeleteWeakGlobalRef(JNIEnv *env,
+ jweak ref))
+ functionEnterExceptionAllowed(thr);
+ UNCHECKED()->DeleteWeakGlobalRef(env, ref);
+ functionExit(thr);
+JNI_END
+
+JNI_ENTRY_CHECKED(jboolean,
+ checked_jni_ExceptionCheck(JNIEnv *env))
+ thr->clear_pending_jni_exception_check();
+ functionEnterExceptionAllowed(thr);
+ jboolean result = UNCHECKED()->ExceptionCheck(env);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jobject,
+ checked_jni_NewDirectByteBuffer(JNIEnv *env,
+ void *address,
+ jlong capacity))
+ functionEnter(thr);
+ jobject result = UNCHECKED()->NewDirectByteBuffer(env, address, capacity);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(void *,
+ checked_jni_GetDirectBufferAddress(JNIEnv *env,
+ jobject buf))
+ functionEnter(thr);
+ void* result = UNCHECKED()->GetDirectBufferAddress(env, buf);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jlong,
+ checked_jni_GetDirectBufferCapacity(JNIEnv *env,
+ jobject buf))
+ functionEnter(thr);
+ jlong result = UNCHECKED()->GetDirectBufferCapacity(env, buf);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jobjectRefType,
+ checked_jni_GetObjectRefType(JNIEnv *env,
+ jobject obj))
+ functionEnter(thr);
+ /* validate the object being passed */
+ IN_VM(
+ jniCheck::validate_object(thr, obj);
+ )
+ jobjectRefType result = UNCHECKED()->GetObjectRefType(env, obj);
+ functionExit(thr);
+ return result;
+JNI_END
+
+
+JNI_ENTRY_CHECKED(jint,
+ checked_jni_GetVersion(JNIEnv *env))
+ functionEnter(thr);
+ jint result = UNCHECKED()->GetVersion(env);
+ functionExit(thr);
+ return result;
+JNI_END
+
+JNI_ENTRY_CHECKED(jobject,
+ checked_jni_GetModule(JNIEnv *env,
+ jclass clazz))
+ functionEnter(thr);
+ IN_VM(
+ jniCheck::validate_class(thr, clazz, false);
+ )
+ jobject result = UNCHECKED()->GetModule(env,clazz);
+ functionExit(thr);
+ return result;
+JNI_END
+
+/*
+ * Structure containing all checked jni functions
+ */
+struct JNINativeInterface_ checked_jni_NativeInterface = {
+ NULL,
+ NULL,
+ NULL,
+
+ NULL,
+
+ checked_jni_GetVersion,
+
+ checked_jni_DefineClass,
+ checked_jni_FindClass,
+
+ checked_jni_FromReflectedMethod,
+ checked_jni_FromReflectedField,
+
+ checked_jni_ToReflectedMethod,
+
+ checked_jni_GetSuperclass,
+ checked_jni_IsAssignableFrom,
+
+ checked_jni_ToReflectedField,
+
+ checked_jni_Throw,
+ checked_jni_ThrowNew,
+ checked_jni_ExceptionOccurred,
+ checked_jni_ExceptionDescribe,
+ checked_jni_ExceptionClear,
+ checked_jni_FatalError,
+
+ checked_jni_PushLocalFrame,
+ checked_jni_PopLocalFrame,
+
+ checked_jni_NewGlobalRef,
+ checked_jni_DeleteGlobalRef,
+ checked_jni_DeleteLocalRef,
+ checked_jni_IsSameObject,
+
+ checked_jni_NewLocalRef,
+ checked_jni_EnsureLocalCapacity,
+
+ checked_jni_AllocObject,
+ checked_jni_NewObject,
+ checked_jni_NewObjectV,
+ checked_jni_NewObjectA,
+
+ checked_jni_GetObjectClass,
+ checked_jni_IsInstanceOf,
+
+ checked_jni_GetMethodID,
+
+ checked_jni_CallObjectMethod,
+ checked_jni_CallObjectMethodV,
+ checked_jni_CallObjectMethodA,
+ checked_jni_CallBooleanMethod,
+ checked_jni_CallBooleanMethodV,
+ checked_jni_CallBooleanMethodA,
+ checked_jni_CallByteMethod,
+ checked_jni_CallByteMethodV,
+ checked_jni_CallByteMethodA,
+ checked_jni_CallCharMethod,
+ checked_jni_CallCharMethodV,
+ checked_jni_CallCharMethodA,
+ checked_jni_CallShortMethod,
+ checked_jni_CallShortMethodV,
+ checked_jni_CallShortMethodA,
+ checked_jni_CallIntMethod,
+ checked_jni_CallIntMethodV,
+ checked_jni_CallIntMethodA,
+ checked_jni_CallLongMethod,
+ checked_jni_CallLongMethodV,
+ checked_jni_CallLongMethodA,
+ checked_jni_CallFloatMethod,
+ checked_jni_CallFloatMethodV,
+ checked_jni_CallFloatMethodA,
+ checked_jni_CallDoubleMethod,
+ checked_jni_CallDoubleMethodV,
+ checked_jni_CallDoubleMethodA,
+ checked_jni_CallVoidMethod,
+ checked_jni_CallVoidMethodV,
+ checked_jni_CallVoidMethodA,
+
+ checked_jni_CallNonvirtualObjectMethod,
+ checked_jni_CallNonvirtualObjectMethodV,
+ checked_jni_CallNonvirtualObjectMethodA,
+ checked_jni_CallNonvirtualBooleanMethod,
+ checked_jni_CallNonvirtualBooleanMethodV,
+ checked_jni_CallNonvirtualBooleanMethodA,
+ checked_jni_CallNonvirtualByteMethod,
+ checked_jni_CallNonvirtualByteMethodV,
+ checked_jni_CallNonvirtualByteMethodA,
+ checked_jni_CallNonvirtualCharMethod,
+ checked_jni_CallNonvirtualCharMethodV,
+ checked_jni_CallNonvirtualCharMethodA,
+ checked_jni_CallNonvirtualShortMethod,
+ checked_jni_CallNonvirtualShortMethodV,
+ checked_jni_CallNonvirtualShortMethodA,
+ checked_jni_CallNonvirtualIntMethod,
+ checked_jni_CallNonvirtualIntMethodV,
+ checked_jni_CallNonvirtualIntMethodA,
+ checked_jni_CallNonvirtualLongMethod,
+ checked_jni_CallNonvirtualLongMethodV,
+ checked_jni_CallNonvirtualLongMethodA,
+ checked_jni_CallNonvirtualFloatMethod,
+ checked_jni_CallNonvirtualFloatMethodV,
+ checked_jni_CallNonvirtualFloatMethodA,
+ checked_jni_CallNonvirtualDoubleMethod,
+ checked_jni_CallNonvirtualDoubleMethodV,
+ checked_jni_CallNonvirtualDoubleMethodA,
+ checked_jni_CallNonvirtualVoidMethod,
+ checked_jni_CallNonvirtualVoidMethodV,
+ checked_jni_CallNonvirtualVoidMethodA,
+
+ checked_jni_GetFieldID,
+
+ checked_jni_GetObjectField,
+ checked_jni_GetBooleanField,
+ checked_jni_GetByteField,
+ checked_jni_GetCharField,
+ checked_jni_GetShortField,
+ checked_jni_GetIntField,
+ checked_jni_GetLongField,
+ checked_jni_GetFloatField,
+ checked_jni_GetDoubleField,
+
+ checked_jni_SetObjectField,
+ checked_jni_SetBooleanField,
+ checked_jni_SetByteField,
+ checked_jni_SetCharField,
+ checked_jni_SetShortField,
+ checked_jni_SetIntField,
+ checked_jni_SetLongField,
+ checked_jni_SetFloatField,
+ checked_jni_SetDoubleField,
+
+ checked_jni_GetStaticMethodID,
+
+ checked_jni_CallStaticObjectMethod,
+ checked_jni_CallStaticObjectMethodV,
+ checked_jni_CallStaticObjectMethodA,
+ checked_jni_CallStaticBooleanMethod,
+ checked_jni_CallStaticBooleanMethodV,
+ checked_jni_CallStaticBooleanMethodA,
+ checked_jni_CallStaticByteMethod,
+ checked_jni_CallStaticByteMethodV,
+ checked_jni_CallStaticByteMethodA,
+ checked_jni_CallStaticCharMethod,
+ checked_jni_CallStaticCharMethodV,
+ checked_jni_CallStaticCharMethodA,
+ checked_jni_CallStaticShortMethod,
+ checked_jni_CallStaticShortMethodV,
+ checked_jni_CallStaticShortMethodA,
+ checked_jni_CallStaticIntMethod,
+ checked_jni_CallStaticIntMethodV,
+ checked_jni_CallStaticIntMethodA,
+ checked_jni_CallStaticLongMethod,
+ checked_jni_CallStaticLongMethodV,
+ checked_jni_CallStaticLongMethodA,
+ checked_jni_CallStaticFloatMethod,
+ checked_jni_CallStaticFloatMethodV,
+ checked_jni_CallStaticFloatMethodA,
+ checked_jni_CallStaticDoubleMethod,
+ checked_jni_CallStaticDoubleMethodV,
+ checked_jni_CallStaticDoubleMethodA,
+ checked_jni_CallStaticVoidMethod,
+ checked_jni_CallStaticVoidMethodV,
+ checked_jni_CallStaticVoidMethodA,
+
+ checked_jni_GetStaticFieldID,
+
+ checked_jni_GetStaticObjectField,
+ checked_jni_GetStaticBooleanField,
+ checked_jni_GetStaticByteField,
+ checked_jni_GetStaticCharField,
+ checked_jni_GetStaticShortField,
+ checked_jni_GetStaticIntField,
+ checked_jni_GetStaticLongField,
+ checked_jni_GetStaticFloatField,
+ checked_jni_GetStaticDoubleField,
+
+ checked_jni_SetStaticObjectField,
+ checked_jni_SetStaticBooleanField,
+ checked_jni_SetStaticByteField,
+ checked_jni_SetStaticCharField,
+ checked_jni_SetStaticShortField,
+ checked_jni_SetStaticIntField,
+ checked_jni_SetStaticLongField,
+ checked_jni_SetStaticFloatField,
+ checked_jni_SetStaticDoubleField,
+
+ checked_jni_NewString,
+ checked_jni_GetStringLength,
+ checked_jni_GetStringChars,
+ checked_jni_ReleaseStringChars,
+
+ checked_jni_NewStringUTF,
+ checked_jni_GetStringUTFLength,
+ checked_jni_GetStringUTFChars,
+ checked_jni_ReleaseStringUTFChars,
+
+ checked_jni_GetArrayLength,
+
+ checked_jni_NewObjectArray,
+ checked_jni_GetObjectArrayElement,
+ checked_jni_SetObjectArrayElement,
+
+ checked_jni_NewBooleanArray,
+ checked_jni_NewByteArray,
+ checked_jni_NewCharArray,
+ checked_jni_NewShortArray,
+ checked_jni_NewIntArray,
+ checked_jni_NewLongArray,
+ checked_jni_NewFloatArray,
+ checked_jni_NewDoubleArray,
+
+ checked_jni_GetBooleanArrayElements,
+ checked_jni_GetByteArrayElements,
+ checked_jni_GetCharArrayElements,
+ checked_jni_GetShortArrayElements,
+ checked_jni_GetIntArrayElements,
+ checked_jni_GetLongArrayElements,
+ checked_jni_GetFloatArrayElements,
+ checked_jni_GetDoubleArrayElements,
+
+ checked_jni_ReleaseBooleanArrayElements,
+ checked_jni_ReleaseByteArrayElements,
+ checked_jni_ReleaseCharArrayElements,
+ checked_jni_ReleaseShortArrayElements,
+ checked_jni_ReleaseIntArrayElements,
+ checked_jni_ReleaseLongArrayElements,
+ checked_jni_ReleaseFloatArrayElements,
+ checked_jni_ReleaseDoubleArrayElements,
+
+ checked_jni_GetBooleanArrayRegion,
+ checked_jni_GetByteArrayRegion,
+ checked_jni_GetCharArrayRegion,
+ checked_jni_GetShortArrayRegion,
+ checked_jni_GetIntArrayRegion,
+ checked_jni_GetLongArrayRegion,
+ checked_jni_GetFloatArrayRegion,
+ checked_jni_GetDoubleArrayRegion,
+
+ checked_jni_SetBooleanArrayRegion,
+ checked_jni_SetByteArrayRegion,
+ checked_jni_SetCharArrayRegion,
+ checked_jni_SetShortArrayRegion,
+ checked_jni_SetIntArrayRegion,
+ checked_jni_SetLongArrayRegion,
+ checked_jni_SetFloatArrayRegion,
+ checked_jni_SetDoubleArrayRegion,
+
+ checked_jni_RegisterNatives,
+ checked_jni_UnregisterNatives,
+
+ checked_jni_MonitorEnter,
+ checked_jni_MonitorExit,
+
+ checked_jni_GetJavaVM,
+
+ checked_jni_GetStringRegion,
+ checked_jni_GetStringUTFRegion,
+
+ checked_jni_GetPrimitiveArrayCritical,
+ checked_jni_ReleasePrimitiveArrayCritical,
+
+ checked_jni_GetStringCritical,
+ checked_jni_ReleaseStringCritical,
+
+ checked_jni_NewWeakGlobalRef,
+ checked_jni_DeleteWeakGlobalRef,
+
+ checked_jni_ExceptionCheck,
+
+ checked_jni_NewDirectByteBuffer,
+ checked_jni_GetDirectBufferAddress,
+ checked_jni_GetDirectBufferCapacity,
+
+ // New 1.6 Features
+
+ checked_jni_GetObjectRefType,
+
+ // Module Features
+
+ checked_jni_GetModule
+};
+
+
+// Returns the function structure
+struct JNINativeInterface_* jni_functions_check() {
+
+ unchecked_jni_NativeInterface = jni_functions_nocheck();
+
+ // make sure the last pointer in the checked table is not null, indicating
+ // an addition to the JNINativeInterface_ structure without initializing
+ // it in the checked table.
+ debug_only(int *lastPtr = (int *)((char *)&checked_jni_NativeInterface + \
+ sizeof(*unchecked_jni_NativeInterface) - sizeof(char *));)
+ assert(*lastPtr != 0,
+ "Mismatched JNINativeInterface tables, check for new entries");
+
+ // with -verbose:jni this message will print
+ if (PrintJNIResolving) {
+ tty->print_cr("Checked JNI functions are being used to " \
+ "validate JNI usage");
+ }
+
+ return &checked_jni_NativeInterface;
+}