564 lines
20 KiB
C++
564 lines
20 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_bridges.hxx"
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#include <com/sun/star/uno/genfunc.hxx>
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#include <typelib/typedescription.hxx>
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#include <uno/data.h>
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#include "bridges/cpp_uno/shared/bridge.hxx"
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#include "bridges/cpp_uno/shared/cppinterfaceproxy.hxx"
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#include "bridges/cpp_uno/shared/types.hxx"
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#include "bridges/cpp_uno/shared/vtablefactory.hxx"
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#include "share.hxx"
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#include <sal/alloca.h>
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using namespace com::sun::star::uno;
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namespace
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{
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//==================================================================================================
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static typelib_TypeClass cpp2uno_call(
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bridges::cpp_uno::shared::CppInterfaceProxy * pThis,
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const typelib_TypeDescription * pMemberTypeDescr,
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typelib_TypeDescriptionReference * pReturnTypeRef, // 0 indicates void return
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sal_Int32 nParams, typelib_MethodParameter * pParams,
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void ** pCallStack,
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sal_Int64 * pRegisterReturn /* space for register return */ )
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{
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// pCallStack: [ret ptr], this, params
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char * pCppStack = (char *)pCallStack;
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// return
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typelib_TypeDescription * pReturnTypeDescr = 0;
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if (pReturnTypeRef)
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TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
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void * pUnoReturn = 0;
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void * pCppReturn = 0; // complex return ptr: if != 0 && != pUnoReturn, reconversion need
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if (pReturnTypeDescr)
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{
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if (bridges::cpp_uno::shared::isSimpleType( pReturnTypeDescr ))
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pUnoReturn = pRegisterReturn; // direct way for simple types
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else // complex return via ptr (pCppReturn)
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{
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pCppReturn = *(void**)pCppStack;
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pUnoReturn = (bridges::cpp_uno::shared::relatesToInterfaceType(
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pReturnTypeDescr )
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? alloca( pReturnTypeDescr->nSize )
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: pCppReturn); // direct way
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pCppStack += sizeof( void* );
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}
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}
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// pop this
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pCppStack += sizeof( void* );
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// stack space
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OSL_ENSURE( sizeof(void *) == sizeof(sal_Int32), "### unexpected size!" );
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// parameters
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void ** pUnoArgs = (void **)alloca( 4 * sizeof(void *) * nParams );
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void ** pCppArgs = pUnoArgs + nParams;
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// indizes of values this have to be converted (interface conversion cpp<=>uno)
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sal_Int32 * pTempIndizes = (sal_Int32 *)(pUnoArgs + (2 * nParams));
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// type descriptions for reconversions
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typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pUnoArgs + (3 * nParams));
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sal_Int32 nTempIndizes = 0;
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for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
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{
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const typelib_MethodParameter & rParam = pParams[nPos];
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typelib_TypeDescription * pParamTypeDescr = 0;
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TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
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if (!rParam.bOut && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr )) // value
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{
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pCppArgs[nPos] = pUnoArgs[nPos] = CPPU_CURRENT_NAMESPACE::adjustPointer(pCppStack, pParamTypeDescr);
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switch (pParamTypeDescr->eTypeClass)
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{
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case typelib_TypeClass_HYPER:
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case typelib_TypeClass_UNSIGNED_HYPER:
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case typelib_TypeClass_DOUBLE:
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{
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if ((reinterpret_cast< long >(pCppStack) & 7) != 0)
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{
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OSL_ASSERT( sizeof (double) == sizeof (sal_Int64) );
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void * pDest = alloca( sizeof (sal_Int64) );
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*reinterpret_cast< sal_Int32 * >(pDest) =
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*reinterpret_cast< sal_Int32 const * >(pCppStack);
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*(reinterpret_cast< sal_Int32 * >(pDest) + 1) =
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*(reinterpret_cast< sal_Int32 const * >(pCppStack) + 1);
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pCppArgs[nPos] = pUnoArgs[nPos] = pDest;
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}
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pCppStack += sizeof (sal_Int32); // extra long
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break;
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}
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}
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// no longer needed
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TYPELIB_DANGER_RELEASE( pParamTypeDescr );
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}
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else // ptr to complex value | ref
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{
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pCppArgs[nPos] = *(void **)pCppStack;
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if (! rParam.bIn) // is pure out
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{
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// uno out is unconstructed mem!
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pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize );
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pTempIndizes[nTempIndizes] = nPos;
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// will be released at reconversion
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ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
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}
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// is in/inout
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else if (bridges::cpp_uno::shared::relatesToInterfaceType(
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pParamTypeDescr ))
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{
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uno_copyAndConvertData( pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize ),
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*(void **)pCppStack, pParamTypeDescr,
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pThis->getBridge()->getCpp2Uno() );
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pTempIndizes[nTempIndizes] = nPos; // has to be reconverted
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// will be released at reconversion
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ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
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}
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else // direct way
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{
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pUnoArgs[nPos] = *(void **)pCppStack;
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// no longer needed
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TYPELIB_DANGER_RELEASE( pParamTypeDescr );
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}
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}
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pCppStack += sizeof(sal_Int32); // standard parameter length
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}
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// ExceptionHolder
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uno_Any aUnoExc; // Any will be constructed by callee
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uno_Any * pUnoExc = &aUnoExc;
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// invoke uno dispatch call
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(*pThis->getUnoI()->pDispatcher)(pThis->getUnoI(), pMemberTypeDescr, pUnoReturn, pUnoArgs, &pUnoExc );
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// in case an exception occured...
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if (pUnoExc)
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{
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// destruct temporary in/inout params
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for ( ; nTempIndizes--; )
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{
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sal_Int32 nIndex = pTempIndizes[nTempIndizes];
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if (pParams[nIndex].bIn) // is in/inout => was constructed
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uno_destructData( pUnoArgs[nIndex], ppTempParamTypeDescr[nTempIndizes], 0 );
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TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndizes] );
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}
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if (pReturnTypeDescr)
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TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
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CPPU_CURRENT_NAMESPACE::raiseException(&aUnoExc, pThis->getBridge()->getUno2Cpp() );
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// has to destruct the any
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// is here for dummy
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return typelib_TypeClass_VOID;
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}
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else // else no exception occured...
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{
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// temporary params
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for ( ; nTempIndizes--; )
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{
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sal_Int32 nIndex = pTempIndizes[nTempIndizes];
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typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndizes];
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if (pParams[nIndex].bOut) // inout/out
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{
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// convert and assign
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uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release );
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uno_copyAndConvertData( pCppArgs[nIndex], pUnoArgs[nIndex], pParamTypeDescr,
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pThis->getBridge()->getUno2Cpp() );
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}
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// destroy temp uno param
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uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 );
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TYPELIB_DANGER_RELEASE( pParamTypeDescr );
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}
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// return
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if (pCppReturn) // has complex return
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{
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if (pUnoReturn != pCppReturn) // needs reconversion
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{
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uno_copyAndConvertData( pCppReturn, pUnoReturn, pReturnTypeDescr,
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pThis->getBridge()->getUno2Cpp() );
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// destroy temp uno return
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uno_destructData( pUnoReturn, pReturnTypeDescr, 0 );
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}
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// complex return ptr is set to eax
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*(void **)pRegisterReturn = pCppReturn;
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}
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if (pReturnTypeDescr)
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{
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typelib_TypeClass eRet = (typelib_TypeClass)pReturnTypeDescr->eTypeClass;
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TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
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return eRet;
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}
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else
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return typelib_TypeClass_VOID;
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}
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}
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//==================================================================================================
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static typelib_TypeClass cpp_mediate(
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sal_Int32 nFunctionIndex,
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sal_Int32 nVtableOffset,
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void ** pCallStack,
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sal_Int64 * pRegisterReturn /* space for register return */ )
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{
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OSL_ENSURE( sizeof(sal_Int32)==sizeof(void *), "### unexpected!" );
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// pCallStack: this, params
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// eventual [ret*] lies at pCallStack -1
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// so count down pCallStack by one to keep it simple
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// pCallStack: this, params
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// eventual [ret*] lies at pCallStack -1
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// so count down pCallStack by one to keep it simple
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bridges::cpp_uno::shared::CppInterfaceProxy * pCppI
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= bridges::cpp_uno::shared::CppInterfaceProxy::castInterfaceToProxy(
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static_cast< char * >(*pCallStack) - nVtableOffset);
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if ((nFunctionIndex & 0x80000000) != 0) {
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nFunctionIndex &= 0x7FFFFFFF;
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--pCallStack;
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}
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typelib_InterfaceTypeDescription * pTypeDescr = pCppI->getTypeDescr();
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OSL_ENSURE( nFunctionIndex < pTypeDescr->nMapFunctionIndexToMemberIndex,
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"### illegal vtable index!" );
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if (nFunctionIndex >= pTypeDescr->nMapFunctionIndexToMemberIndex)
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{
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throw RuntimeException( rtl::OUString::createFromAscii("illegal vtable index!"), (XInterface *)pCppI );
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}
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// determine called method
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sal_Int32 nMemberPos = pTypeDescr->pMapFunctionIndexToMemberIndex[nFunctionIndex];
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OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### illegal member index!" );
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TypeDescription aMemberDescr( pTypeDescr->ppAllMembers[nMemberPos] );
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#if defined BRIDGES_DEBUG
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OString cstr( OUStringToOString( aMemberDescr.get()->pTypeName, RTL_TEXTENCODING_ASCII_US ) );
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fprintf( stderr, "calling %s, nFunctionIndex=%d\n", cstr.getStr(), nFunctionIndex );
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#endif
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typelib_TypeClass eRet;
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switch (aMemberDescr.get()->eTypeClass)
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{
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case typelib_TypeClass_INTERFACE_ATTRIBUTE:
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{
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if (pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos] == nFunctionIndex)
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{
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// is GET method
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eRet = cpp2uno_call(
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pCppI, aMemberDescr.get(),
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((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef,
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0, 0, // no params
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pCallStack, pRegisterReturn );
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}
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else
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{
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// is SET method
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typelib_MethodParameter aParam;
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aParam.pTypeRef =
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((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef;
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aParam.bIn = sal_True;
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aParam.bOut = sal_False;
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eRet = cpp2uno_call(
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pCppI, aMemberDescr.get(),
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0, // indicates void return
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1, &aParam,
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pCallStack, pRegisterReturn );
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}
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break;
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}
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case typelib_TypeClass_INTERFACE_METHOD:
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{
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// is METHOD
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switch (nFunctionIndex)
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{
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case 1: // acquire()
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pCppI->acquireProxy(); // non virtual call!
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eRet = typelib_TypeClass_VOID;
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break;
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case 2: // release()
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pCppI->releaseProxy(); // non virtual call!
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eRet = typelib_TypeClass_VOID;
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break;
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case 0: // queryInterface() opt
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{
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typelib_TypeDescription * pTD = 0;
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TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pCallStack[2] )->getTypeLibType() );
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if (pTD)
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{
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XInterface * pInterface = 0;
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(*pCppI->getBridge()->getCppEnv()->getRegisteredInterface)(
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pCppI->getBridge()->getCppEnv(),
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(void **)&pInterface, pCppI->getOid().pData, (typelib_InterfaceTypeDescription *)pTD );
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if (pInterface)
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{
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::uno_any_construct(
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reinterpret_cast< uno_Any * >( pCallStack[0] ),
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&pInterface, pTD, cpp_acquire );
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pInterface->release();
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TYPELIB_DANGER_RELEASE( pTD );
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*(void **)pRegisterReturn = pCallStack[0];
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eRet = typelib_TypeClass_ANY;
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break;
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}
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TYPELIB_DANGER_RELEASE( pTD );
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}
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} // else perform queryInterface()
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default:
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eRet = cpp2uno_call(
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pCppI, aMemberDescr.get(),
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((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pReturnTypeRef,
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((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->nParams,
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((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pParams,
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pCallStack, pRegisterReturn );
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}
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break;
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}
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default:
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{
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throw RuntimeException(rtl::OUString::createFromAscii("no member description found!"), (XInterface *)pCppI );
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// is here for dummy
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eRet = typelib_TypeClass_VOID;
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}
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}
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return eRet;
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}
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//==================================================================================================
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/**
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* is called on incoming vtable calls
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* (called by asm snippets)
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*/
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static void cpp_vtable_call()
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{
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volatile sal_Int64 nRegReturn;
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int nFunctionIndex;
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void** pCallStack;
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int vTableOffset;
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__asm__( "st %%i0, %0\n\t"
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"st %%i1, %1\n\t"
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"st %%i2, %2\n\t"
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: : "m"(nFunctionIndex), "m"(pCallStack), "m"(vTableOffset) );
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// fprintf(stderr,"cpp_mediate nFunctionIndex=%x\n",nFunctionIndex);
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// fflush(stderr);
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sal_Bool bComplex = nFunctionIndex & 0x80000000 ? sal_True : sal_False;
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typelib_TypeClass aType =
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cpp_mediate( nFunctionIndex, vTableOffset, pCallStack+17, (sal_Int64*)&nRegReturn );
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switch( aType )
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{
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case typelib_TypeClass_BOOLEAN:
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case typelib_TypeClass_BYTE:
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__asm__( "ld %0, %%l0\n\t"
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"ldsb [%%l0], %%i0\n"
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: : "m"(&nRegReturn) );
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break;
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case typelib_TypeClass_CHAR:
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case typelib_TypeClass_SHORT:
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case typelib_TypeClass_UNSIGNED_SHORT:
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__asm__( "ld %0, %%l0\n\t"
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"ldsh [%%l0], %%i0\n"
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: : "m"(&nRegReturn) );
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break;
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case typelib_TypeClass_HYPER:
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case typelib_TypeClass_UNSIGNED_HYPER:
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__asm__( "ld %0, %%l0\n\t"
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"ld [%%l0], %%i0\n\t"
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"ld %1, %%l0\n\t"
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"ld [%%l0], %%i1\n\t"
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: : "m"(&nRegReturn), "m"(((long*)&nRegReturn) +1) );
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break;
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case typelib_TypeClass_FLOAT:
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__asm__( "ld %0, %%l0\n\t"
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"ld [%%l0], %%f0\n"
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: : "m"(&nRegReturn) );
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break;
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case typelib_TypeClass_DOUBLE:
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__asm__( "ld %0, %%l0\n\t"
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"ldd [%%l0], %%f0\n"
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: : "m"(&nRegReturn) );
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break;
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case typelib_TypeClass_VOID:
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break;
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default:
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__asm__( "ld %0, %%l0\n\t"
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"ld [%%l0], %%i0\n"
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: : "m"(&nRegReturn) );
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break;
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}
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if( bComplex )
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{
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__asm__( "add %i7, 4, %i7\n\t" );
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// after call to complex return valued funcion there is an unimp instruction
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}
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}
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//__________________________________________________________________________________________________
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int const codeSnippetSize = 56;
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unsigned char * codeSnippet(
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unsigned char * code, sal_Int32 functionIndex, sal_Int32 vtableOffset,
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bool simpleRetType)
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{
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sal_uInt32 index = functionIndex;
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if (!simpleRetType) {
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index |= 0x80000000;
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}
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unsigned int * p = reinterpret_cast< unsigned int * >(code);
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OSL_ASSERT(sizeof (unsigned int) == 4);
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// st %o0, [%sp+68]:
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*p++ = 0xD023A044;
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// st %o1, [%sp+72]:
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*p++ = 0xD223A048;
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// st %o2, [%sp+76]:
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*p++ = 0xD423A04C;
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// st %o3, [%sp+80]:
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*p++ = 0xD623A050;
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// st %o4, [%sp+84]:
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*p++ = 0xD823A054;
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// st %o5, [%sp+88]:
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*p++ = 0xDA23A058;
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// sethi %hi(index), %o0:
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*p++ = 0x11000000 | (index >> 10);
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// or %o0, %lo(index), %o0:
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*p++ = 0x90122000 | (index & 0x3FF);
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// sethi %hi(vtableOffset), %o2:
|
|
*p++ = 0x15000000 | (vtableOffset >> 10);
|
|
// or %o2, %lo(vtableOffset), %o2:
|
|
*p++ = 0x9412A000 | (vtableOffset & 0x3FF);
|
|
// sethi %hi(cpp_vtable_call), %o3:
|
|
*p++ = 0x17000000 | (reinterpret_cast< unsigned int >(cpp_vtable_call) >> 10);
|
|
// or %o3, %lo(cpp_vtable_call), %o3:
|
|
*p++ = 0x9612E000 | (reinterpret_cast< unsigned int >(cpp_vtable_call) & 0x3FF);
|
|
// jmpl %o3, %g0:
|
|
*p++ = 0x81C2C000;
|
|
// mov %sp, %o1:
|
|
*p++ = 0x9210000E;
|
|
OSL_ASSERT(
|
|
reinterpret_cast< unsigned char * >(p) - code <= codeSnippetSize);
|
|
return code + codeSnippetSize;
|
|
}
|
|
|
|
} //end of namespace
|
|
|
|
struct bridges::cpp_uno::shared::VtableFactory::Slot { void * fn; };
|
|
|
|
bridges::cpp_uno::shared::VtableFactory::Slot *
|
|
bridges::cpp_uno::shared::VtableFactory::mapBlockToVtable(void * block)
|
|
{
|
|
return static_cast< Slot * >(block) + 2;
|
|
}
|
|
|
|
sal_Size bridges::cpp_uno::shared::VtableFactory::getBlockSize(
|
|
sal_Int32 slotCount)
|
|
{
|
|
return (slotCount + 2) * sizeof (Slot) + slotCount * codeSnippetSize;
|
|
}
|
|
|
|
bridges::cpp_uno::shared::VtableFactory::Slot *
|
|
bridges::cpp_uno::shared::VtableFactory::initializeBlock(
|
|
void * block, sal_Int32 slotCount)
|
|
{
|
|
Slot * slots = mapBlockToVtable(block);
|
|
slots[-2].fn = 0; //null
|
|
slots[-1].fn = 0; //destructor
|
|
return slots + slotCount;
|
|
}
|
|
|
|
unsigned char * bridges::cpp_uno::shared::VtableFactory::addLocalFunctions(
|
|
Slot ** slots, unsigned char * code,
|
|
typelib_InterfaceTypeDescription const * type, sal_Int32 functionOffset,
|
|
sal_Int32 functionCount, sal_Int32 vTableOffset)
|
|
{
|
|
(*slots) -= functionCount;
|
|
Slot * s = *slots;
|
|
for (sal_Int32 i = 0; i < type->nMembers; ++i) {
|
|
typelib_TypeDescription * member = 0;
|
|
TYPELIB_DANGER_GET(&member, type->ppMembers[i]);
|
|
OSL_ASSERT(member != 0);
|
|
switch (member->eTypeClass) {
|
|
case typelib_TypeClass_INTERFACE_ATTRIBUTE:
|
|
// Getter:
|
|
(s++)->fn = code;
|
|
code = codeSnippet(
|
|
code, functionOffset++, vTableOffset,
|
|
bridges::cpp_uno::shared::isSimpleType(
|
|
reinterpret_cast<
|
|
typelib_InterfaceAttributeTypeDescription * >(
|
|
member)->pAttributeTypeRef));
|
|
// Setter:
|
|
if (!reinterpret_cast<
|
|
typelib_InterfaceAttributeTypeDescription * >(
|
|
member)->bReadOnly)
|
|
{
|
|
(s++)->fn = code;
|
|
code = codeSnippet(code, functionOffset++, vTableOffset, true);
|
|
}
|
|
break;
|
|
|
|
case typelib_TypeClass_INTERFACE_METHOD:
|
|
(s++)->fn = code;
|
|
code = codeSnippet(
|
|
code, functionOffset++, vTableOffset,
|
|
bridges::cpp_uno::shared::isSimpleType(
|
|
reinterpret_cast<
|
|
typelib_InterfaceMethodTypeDescription * >(
|
|
member)->pReturnTypeRef));
|
|
break;
|
|
|
|
default:
|
|
OSL_ASSERT(false);
|
|
break;
|
|
}
|
|
TYPELIB_DANGER_RELEASE(member);
|
|
}
|
|
return code;
|
|
}
|
|
|
|
void bridges::cpp_uno::shared::VtableFactory::flushCode(
|
|
unsigned char const *, unsigned char const *)
|
|
{
|
|
//TODO: IZ 25819 flush the instruction cache (there probably is OS support for this)
|
|
}
|