1/* 2 * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26#include <exception> 27#include <stdexcept> 28#include <jni.h> 29#include <windows.h> 30#include <WinDef.h> 31 32extern "C" { 33 34BOOL WINAPI DllMain(HINSTANCE hinstDll, DWORD fdwReason, LPVOID lpvReserved) { 35 return TRUE; 36} 37 38// Determine bitness of Win OS 39JNIEXPORT jboolean JNICALL 40Java_com_sun_java_accessibility_internal_AccessBridge_isSysWow(JNIEnv *env, jobject callingObj) { 41 BOOL bIsWow64 = FALSE; 42 typedef BOOL (WINAPI *LPFN_ISWOW64PROCESS) (HANDLE, PBOOL); 43 44 LPFN_ISWOW64PROCESS fnIsWow64Process = 45 (LPFN_ISWOW64PROCESS)GetProcAddress(GetModuleHandle(TEXT("kernel32")), "IsWow64Process"); 46 47 if (fnIsWow64Process != NULL) { 48 if (!fnIsWow64Process(GetCurrentProcess(), &bIsWow64)) { 49 throw std::runtime_error("fnIsWow64Process() failed"); 50 } 51 } 52 53 return bIsWow64 ? JNI_TRUE : JNI_FALSE; 54} 55 56} 57