/************************************************************************* * * $RCSfile: uno2cpp.cxx,v $ * * $Revision: 1.3 $ * * last change: $Author: hjs $ $Date: 2003-08-18 14:56:11 $ * * The Contents of this file are made available subject to the terms of * either of the following licenses * * - GNU Lesser General Public License Version 2.1 * - Sun Industry Standards Source License Version 1.1 * * Sun Microsystems Inc., October, 2000 * * GNU Lesser General Public License Version 2.1 * ============================================= * Copyright 2000 by Sun Microsystems, Inc. * 901 San Antonio Road, Palo Alto, CA 94303, USA * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License version 2.1, as published by the Free Software Foundation. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * * * Sun Industry Standards Source License Version 1.1 * ================================================= * The contents of this file are subject to the Sun Industry Standards * Source License Version 1.1 (the "License"); You may not use this file * except in compliance with the License. You may obtain a copy of the * License at http://www.openoffice.org/license.html. * * Software provided under this License is provided on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. * See the License for the specific provisions governing your rights and * obligations concerning the Software. * * The Initial Developer of the Original Code is: Sun Microsystems, Inc. * * Copyright: 2000 by Sun Microsystems, Inc. * * All Rights Reserved. * * Contributor(s): _______________________________________ * * ************************************************************************/ #include #ifndef _RTL_ALLOC_H_ #include #endif #ifndef _UNO_DATA_H_ #include #endif #ifndef _BRIDGES_CPP_UNO_BRIDGE_HXX_ #include #endif #ifndef _BRIDGES_CPP_UNO_TYPE_MISC_HXX_ #include #endif #include "share.hxx" using namespace rtl; using namespace com::sun::star::uno; namespace CPPU_CURRENT_NAMESPACE { void dummy_can_throw_anything( char const * ); //================================================================================================== static void callVirtualMethod( void * pThis, sal_Int32 nVtableIndex, void * pRegisterReturn, typelib_TypeClass eReturnType, sal_Int32 * pStackLongs, sal_Int32 nStackLongs ) { // parameter list is mixed list of * and values // reference parameters are pointers OSL_ENSURE( pStackLongs && pThis, "### null ptr!" ); OSL_ENSURE( (sizeof(void *) == 4) && (sizeof(sal_Int32) == 4), "### unexpected size of int!" ); OSL_ENSURE( nStackLongs && pStackLongs, "### no stack in callVirtualMethod !" ); // never called if (! pThis) dummy_can_throw_anything("xxx"); // address something volatile long o0 = 0, o1 = 0; // for register returns volatile double f0d = 0; volatile float f0f = 0; volatile long long saveReg[7]; __asm__ ( // save registers "std %%l0, [%4]\n\t" "mov %4, %%l0\n\t" "mov %%l0, %%l1\n\t" "add %%l0, 8, %%l0\n\t" "std %%l2, [%%l0]\n\t" "add %%l0, 8, %%l0\n\t" "std %%l4, [%%l0]\n\t" "add %%l0, 8, %%l0\n\t" "std %%o0, [%%l0]\n\t" "add %%l0, 8, %%l0\n\t" "std %%o2, [%%l0]\n\t" "add %%l0, 8, %%l0\n\t" "std %%o4, [%%l0]\n\t" "add %%l0, 8, %%l0\n\t" "std %%l6, [%%l0]\n\t" "mov %%l1, %%l7\n\t" // increase our own stackframe if necessary "mov %%sp, %%l3\n\t" // save stack ptr for readjustment "subcc %%i5, 7, %%l0\n\t" "ble .LmoveOn\n\t" "nop\n\t" "sll %%l0, 2, %%l0\n\t" "add %%l0, 96, %%l0\n\t" "mov %%sp, %%l1\n\t" // old stack ptr "sub %%sp, %%l0, %%l0\n\t" // future stack ptr "andcc %%l0, 7, %%g0\n\t" // align stack to 8 "be .LisAligned\n\t" "nop\n\t" "sub %%l0, 4, %%l0\n" ".LisAligned:\n\t" "mov %%l0, %%o5\n\t" // save newly computed stack ptr "add %%g0, 16, %%o4\n" // now copy longs down to save register window // and local variables ".LcopyDown:\n\t" "ld [%%l1], %%l2\n\t" "st %%l2,[%%l0]\n\t" "add %%l0, 4, %%l0\n\t" "add %%l1, 4, %%l1\n\t" "subcc %%o4, 1, %%o4\n\t" "bne .LcopyDown\n\t" "mov %%o5, %%sp\n\t" // move new stack ptr (hopefully) atomically // while register window is valid in both spaces // (scheduling might hit in copyDown loop) "sub %%i5, 7, %%l0\n\t" // copy parameters past the sixth to stack "add %%i4, 28, %%l1\n\t" "add %%sp, 92, %%l2\n" ".LcopyLong:\n\t" "ld [%%l1], %%o0\n\t" "st %%o0, [%%l2]\n\t" "add %%l1, 4, %%l1\n\t" "add %%l2, 4, %%l2\n\t" "subcc %%l0, 1, %%l0\n\t" "bne .LcopyLong\n\t" "nop\n" ".LmoveOn:\n\t" "mov %%i5, %%l0\n\t" // prepare out registers "mov %%i4, %%l1\n\t" "ld [%%l1], %%o0\n\t" // prepare complex return ptr "st %%o0, [%%sp+64]\n\t" "sub %%l0, 1, %%l0\n\t" "add %%l1, 4, %%l1\n\t" "ld [%%l1], %%o0\n\t" "subcc %%l0, 1, %%l0\n\t" "be .LdoCall\n\t" "nop\n\t" "add %%l1, 4, %%l1\n\t" "ld [%%l1], %%o1\n\t" "subcc %%l0, 1, %%l0\n\t" "be .LdoCall\n\t" "nop\n\t" "add %%l1, 4, %%l1\n\t" "ld [%%l1], %%o2\n\t" "subcc %%l0, 1, %%l0\n\t" "be .LdoCall\n\t" "nop\n\t" "add %%l1, 4, %%l1\n\t" "ld [%%l1], %%o3\n\t" "subcc %%l0, 1, %%l0\n\t" "be .LdoCall\n\t" "nop\n\t" "add %%l1, 4, %%l1\n\t" "ld [%%l1], %%o4\n\t" "subcc %%l0, 1, %%l0\n\t" "be .LdoCall\n\t" "nop\n\t" "add %%l1, 4, %%l1\n\t" "ld [%%l1], %%o5\n" ".LdoCall:\n\t" "ld [%%i0], %%l0\n\t" // get vtable ptr "sll %%i1, 2, %%l6\n\t" // "add %%l6, 8, %%l6\n\t" "add %%l6, %%l0, %%l0\n\t" // // vtable has 8byte wide entries, // // upper half contains 2 half words, of which the first // // is the this ptr patch ! // // first entry is (or __tf) // "ldsh [%%l0], %%l6\n\t" // load this ptr patch // "add %%l6, %%o0, %%o0\n\t" // patch this ptr // "add %%l0, 4, %%l0\n\t" // get virtual function ptr "ld [%%l0], %%l0\n\t" "ld [%%i4], %%l2\n\t" "subcc %%l2, %%g0, %%l2\n\t" "bne .LcomplexCall\n\t" "nop\n\t" "call %%l0\n\t" "nop\n\t" "ba .LcallReturned\n\t" "nop\n" ".LcomplexCall:\n\t" "call %%l0\n\t" "nop\n\t" "unimp\n" ".LcallReturned:\n\t" "mov %%l3, %%sp\n\t" // readjust stack so that our locals are where they belong "st %%o0, %0\n\t" // save possible return registers into our locals "st %%o1, %1\n\t" "std %%f0, %2\n\t" "st %%f0, %3\n\t" // restore registers "ldd [%%l7], %%l0\n\t" "add %%l7, 8, %%l7\n\t" "ldd [%%l7], %%l2\n\t" "add %%l7, 8, %%l7\n\t" "ldd [%%l7], %%l4\n\t" "add %%l7, 8, %%l7\n\t" "ldd [%%l7], %%o0\n\t" "add %%l7, 8, %%l7\n\t" "ldd [%%l7], %%o2\n\t" "add %%l7, 8, %%l7\n\t" "ldd [%%l7], %%o4\n\t" "add %%l7, 8, %%l7\n\t" "ldd [%%l7], %%l6\n\t" : : "m"(o0), "m"(o1), "m"(f0d), "m"(f0f), "r"(&saveReg[0]) ); switch( eReturnType ) { case typelib_TypeClass_HYPER: case typelib_TypeClass_UNSIGNED_HYPER: ((long*)pRegisterReturn)[1] = o1; case typelib_TypeClass_LONG: case typelib_TypeClass_UNSIGNED_LONG: case typelib_TypeClass_ENUM: ((long*)pRegisterReturn)[0] = o0; break; case typelib_TypeClass_CHAR: case typelib_TypeClass_SHORT: case typelib_TypeClass_UNSIGNED_SHORT: *(unsigned short*)pRegisterReturn = (unsigned short)o0; break; case typelib_TypeClass_BOOLEAN: case typelib_TypeClass_BYTE: *(unsigned char*)pRegisterReturn = (unsigned char)o0; break; case typelib_TypeClass_FLOAT: *(float*)pRegisterReturn = f0f; break; case typelib_TypeClass_DOUBLE: *(double*)pRegisterReturn = f0d; break; } } //================================================================================================== static void cpp_call( cppu_unoInterfaceProxy * pThis, sal_Int32 nVtableCall, typelib_TypeDescriptionReference * pReturnTypeRef, sal_Int32 nParams, typelib_MethodParameter * pParams, void * pUnoReturn, void * pUnoArgs[], uno_Any ** ppUnoExc ) { // max space for: complex ret ptr, this, values|ptr ... char * pCppStack = (char *)alloca( (nParams+2) * sizeof(sal_Int64) ); char * pCppStackStart = pCppStack; // return typelib_TypeDescription * pReturnTypeDescr = 0; TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef ); OSL_ENSURE( pReturnTypeDescr, "### expected return type description!" ); void * pCppReturn = 0; // if != 0 && != pUnoReturn, needs reconversion if (pReturnTypeDescr) { if (cppu_isSimpleType( pReturnTypeDescr )) { pCppReturn = pUnoReturn; // direct way for simple types *(void**)pCppStack = NULL; } else { // complex return via ptr pCppReturn = *(void **)pCppStack = (cppu_relatesToInterface( pReturnTypeDescr ) ? alloca( pReturnTypeDescr->nSize ) : pUnoReturn); // direct way } pCppStack += sizeof(void*); } // push this *(void**)pCppStack = pThis->pCppI; pCppStack += sizeof( void* ); // stack space OSL_ENSURE( sizeof(void *) == sizeof(sal_Int32), "### unexpected size!" ); // args void ** pCppArgs = (void **)alloca( 3 * sizeof(void *) * nParams ); // indizes of values this have to be converted (interface conversion cpp<=>uno) sal_Int32 * pTempIndizes = (sal_Int32 *)(pCppArgs + nParams); // type descriptions for reconversions typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pCppArgs + (2 * nParams)); sal_Int32 nTempIndizes = 0; for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos ) { const typelib_MethodParameter & rParam = pParams[nPos]; typelib_TypeDescription * pParamTypeDescr = 0; TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef ); if (!rParam.bOut && cppu_isSimpleType( pParamTypeDescr )) { pCppArgs[ nPos ] = adjustPointer( pCppStack, pParamTypeDescr ); uno_copyAndConvertData( pCppArgs[nPos], pUnoArgs[nPos], pParamTypeDescr, &pThis->pBridge->aUno2Cpp ); switch (pParamTypeDescr->eTypeClass) { case typelib_TypeClass_HYPER: case typelib_TypeClass_UNSIGNED_HYPER: case typelib_TypeClass_DOUBLE: pCppStack += sizeof(sal_Int32); // extra long } // no longer needed TYPELIB_DANGER_RELEASE( pParamTypeDescr ); } else // ptr to complex value | ref { if (! rParam.bIn) // is pure out { // cpp out is constructed mem, uno out is not! uno_constructData( *(void **)pCppStack = pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ), pParamTypeDescr ); pTempIndizes[nTempIndizes] = nPos; // default constructed for cpp call // will be released at reconversion ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr; } // is in/inout else if (cppu_relatesToInterface( pParamTypeDescr )) { uno_copyAndConvertData( *(void **)pCppStack = pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ), pUnoArgs[nPos], pParamTypeDescr, &pThis->pBridge->aUno2Cpp ); pTempIndizes[nTempIndizes] = nPos; // has to be reconverted // will be released at reconversion ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr; } else // direct way { *(void **)pCppStack = pCppArgs[nPos] = pUnoArgs[nPos]; // no longer needed TYPELIB_DANGER_RELEASE( pParamTypeDescr ); } } pCppStack += sizeof(sal_Int32); // standard parameter length } try { OSL_ENSURE( !( (pCppStack - pCppStackStart ) & 3), "UNALIGNED STACK !!! (Please DO panic" ); callVirtualMethod( pThis->pCppI, nVtableCall, pCppReturn, pReturnTypeDescr->eTypeClass, (sal_Int32 *)pCppStackStart, (pCppStack - pCppStackStart) / sizeof(sal_Int32) ); // NO exception occured... *ppUnoExc = 0; // reconvert temporary params for ( ; nTempIndizes--; ) { sal_Int32 nIndex = pTempIndizes[nTempIndizes]; typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndizes]; if (pParams[nIndex].bIn) { if (pParams[nIndex].bOut) // inout { uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 ); // destroy uno value uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr, &pThis->pBridge->aCpp2Uno ); } } else // pure out { uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr, &pThis->pBridge->aCpp2Uno ); } // destroy temp cpp param => cpp: every param was constructed uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release ); TYPELIB_DANGER_RELEASE( pParamTypeDescr ); } // return value if (pCppReturn && pUnoReturn != pCppReturn) { uno_copyAndConvertData( pUnoReturn, pCppReturn, pReturnTypeDescr, &pThis->pBridge->aCpp2Uno ); uno_destructData( pCppReturn, pReturnTypeDescr, cpp_release ); } } catch( ... ) { // get exception fillUnoException( __cxa_get_globals()->caughtExceptions, *ppUnoExc, &pThis->pBridge->aCpp2Uno ); // temporary params for ( ; nTempIndizes--; ) { sal_Int32 nIndex = pTempIndizes[nTempIndizes]; // destroy temp cpp param => cpp: every param was constructed uno_destructData( pCppArgs[nIndex], ppTempParamTypeDescr[nTempIndizes], cpp_release ); TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndizes] ); } // return type if (pReturnTypeDescr) TYPELIB_DANGER_RELEASE( pReturnTypeDescr ); } } //================================================================================================== void SAL_CALL cppu_unoInterfaceProxy_dispatch( uno_Interface * pUnoI, const typelib_TypeDescription * pMemberDescr, void * pReturn, void * pArgs[], uno_Any ** ppException ) throw () { #if defined BRIDGES_DEBUG OString cstr( OUStringToOString( pMemberDescr->pTypeName, RTL_TEXTENCODING_ASCII_US ) ); fprintf( stderr, "received dispatch( %s )\n", cstr.getStr() ); #endif // is my surrogate cppu_unoInterfaceProxy * pThis = (cppu_unoInterfaceProxy *)pUnoI; typelib_InterfaceTypeDescription * pTypeDescr = pThis->pTypeDescr; switch (pMemberDescr->eTypeClass) { case typelib_TypeClass_INTERFACE_ATTRIBUTE: { // determine vtable call index sal_Int32 nMemberPos = ((typelib_InterfaceMemberTypeDescription *)pMemberDescr)->nPosition; OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### member pos out of range!" ); sal_Int32 nVtableCall = pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos]; OSL_ENSURE( nVtableCall < pTypeDescr->nMapFunctionIndexToMemberIndex, "### illegal vtable index!" ); if (pReturn) { // dependent dispatch cpp_call( pThis, nVtableCall, ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef, 0, 0, // no params pReturn, pArgs, ppException ); } else { // is SET typelib_MethodParameter aParam; aParam.pTypeRef = ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef; aParam.bIn = sal_True; aParam.bOut = sal_False; typelib_TypeDescriptionReference * pReturnTypeRef = 0; OUString aVoidName( RTL_CONSTASCII_USTRINGPARAM("void") ); typelib_typedescriptionreference_new( &pReturnTypeRef, typelib_TypeClass_VOID, aVoidName.pData ); // dependent dispatch cpp_call( pThis, nVtableCall +1, // get, then set method pReturnTypeRef, 1, &aParam, pReturn, pArgs, ppException ); typelib_typedescriptionreference_release( pReturnTypeRef ); } break; } case typelib_TypeClass_INTERFACE_METHOD: { // determine vtable call index sal_Int32 nMemberPos = ((typelib_InterfaceMemberTypeDescription *)pMemberDescr)->nPosition; OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### member pos out of range!" ); sal_Int32 nVtableCall = pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos]; OSL_ENSURE( nVtableCall < pTypeDescr->nMapFunctionIndexToMemberIndex, "### illegal vtable index!" ); switch (nVtableCall) { // standard calls case 1: // acquire uno interface (*pUnoI->acquire)( pUnoI ); *ppException = 0; break; case 2: // release uno interface (*pUnoI->release)( pUnoI ); *ppException = 0; break; case 0: // queryInterface() opt { typelib_TypeDescription * pTD = 0; TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pArgs[0] )->getTypeLibType() ); if (pTD) { uno_Interface * pInterface = 0; (*pThis->pBridge->pUnoEnv->getRegisteredInterface)( pThis->pBridge->pUnoEnv, (void **)&pInterface, pThis->oid.pData, (typelib_InterfaceTypeDescription *)pTD ); if (pInterface) { ::uno_any_construct( reinterpret_cast< uno_Any * >( pReturn ), &pInterface, pTD, 0 ); (*pInterface->release)( pInterface ); TYPELIB_DANGER_RELEASE( pTD ); *ppException = 0; break; } TYPELIB_DANGER_RELEASE( pTD ); } } // else perform queryInterface() default: // dependent dispatch cpp_call( pThis, nVtableCall, ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pReturnTypeRef, ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->nParams, ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pParams, pReturn, pArgs, ppException ); } break; } default: { ::com::sun::star::uno::RuntimeException aExc( OUString( RTL_CONSTASCII_USTRINGPARAM("illegal member type description!") ), ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >() ); Type const & rExcType = ::getCppuType( &aExc ); // binary identical null reference ::uno_type_any_construct( *ppException, &aExc, rExcType.getTypeLibType(), 0 ); } } } }