227078bc8d
Change-Id: I641f2d107e3a8aaabdd2f8ede10e7e6b13078602 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/167384 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
130 lines
4.4 KiB
C++
130 lines
4.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <sal/config.h>
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#if defined __clang__
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wunknown-attributes"
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#endif
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#include <jni.h>
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#if defined __clang__
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#pragma clang diagnostic pop
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#endif
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#include <rtl/ustring.hxx>
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#include <osl/module.hxx>
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#include "juhx-export-types.hxx"
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// In retrospect, the reason to create a juh wrapper around the juhx library was
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// probably because java.lang.System.loadLibrary uses RTLD_LOCAL, so uniqueness
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// of GCC RTTI symbols needed for exception handling would not be guaranteed.
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#if ! defined SAL_DLLPREFIX
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#define SAL_DLLPREFIX ""
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#endif
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extern "C"
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{
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static javaunohelper::detail::Func_writeInfo * s_writeInfo;
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static javaunohelper::detail::Func_getFactory * s_getFactory;
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static javaunohelper::detail::Func_bootstrap * s_bootstrap;
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static bool s_inited = false;
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extern "C" { static void thisModule() {} }
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static bool inited_juhx( JNIEnv * jni_env )
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{
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if (s_inited)
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return true;
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osl::Module aModule;
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if (!aModule.loadRelative(&thisModule, SAL_DLLPREFIX "juhx" SAL_DLLEXTENSION, SAL_LOADMODULE_LAZY | SAL_LOADMODULE_GLOBAL))
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{
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jclass c = jni_env->FindClass( "java/lang/RuntimeException" );
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jni_env->ThrowNew(
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c, "error loading " SAL_DLLPREFIX "juhx" SAL_DLLEXTENSION "!" );
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return false;
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}
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else
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{
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OUString symbol =
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u"Java_com_sun_star_comp_helper_SharedLibraryLoader_component_1writeInfo"_ustr;
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s_writeInfo = reinterpret_cast<javaunohelper::detail::Func_writeInfo *>(aModule.getFunctionSymbol(symbol));
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symbol =
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"Java_com_sun_star_comp_helper_SharedLibraryLoader_component_1getFactory";
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s_getFactory = reinterpret_cast<javaunohelper::detail::Func_getFactory *>(aModule.getFunctionSymbol(symbol));
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symbol =
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"Java_com_sun_star_comp_helper_Bootstrap_cppuhelper_1bootstrap";
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s_bootstrap =
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reinterpret_cast<javaunohelper::detail::Func_bootstrap *>(aModule.getFunctionSymbol(symbol));
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if (nullptr == s_writeInfo ||
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nullptr == s_getFactory ||
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nullptr == s_bootstrap)
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{
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jclass c = jni_env->FindClass( "java/lang/RuntimeException" );
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jni_env->ThrowNew(
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c, "error resolving symbols of " SAL_DLLPREFIX "juhx" SAL_DLLEXTENSION "!" );
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return false;
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}
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aModule.release();
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}
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s_inited = true;
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return true;
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}
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SAL_DLLPUBLIC_EXPORT jboolean JNICALL
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Java_com_sun_star_comp_helper_SharedLibraryLoader_component_1writeInfo(
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JNIEnv * pJEnv, jclass jClass, jstring jLibName, jobject jSMgr,
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jobject jRegKey, jobject loader )
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{
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if (inited_juhx( pJEnv ))
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return (*s_writeInfo)(
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pJEnv, jClass, jLibName, jSMgr, jRegKey, loader );
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return JNI_FALSE;
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}
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SAL_DLLPUBLIC_EXPORT jobject JNICALL
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Java_com_sun_star_comp_helper_SharedLibraryLoader_component_1getFactory(
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JNIEnv * pJEnv, jclass jClass, jstring jLibName, jstring jImplName,
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jobject jSMgr, jobject jRegKey, jobject loader )
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{
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if (inited_juhx( pJEnv ))
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return (*s_getFactory)(
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pJEnv, jClass, jLibName, jImplName, jSMgr, jRegKey, loader );
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return nullptr;
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}
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SAL_DLLPUBLIC_EXPORT jobject JNICALL
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Java_com_sun_star_comp_helper_Bootstrap_cppuhelper_1bootstrap(
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JNIEnv * jni_env, jclass jClass, jstring juno_rc, jobjectArray jpairs,
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jobject loader )
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{
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if (inited_juhx( jni_env ))
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return (*s_bootstrap)( jni_env, jClass, juno_rc, jpairs, loader );
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return nullptr;
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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