| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| // MARKER(update_precomp.py): autogen include statement, do not remove |
| #include "precompiled_bridges.hxx" |
| |
| #include <malloc.h> |
| |
| #include <com/sun/star/uno/genfunc.hxx> |
| #include <uno/data.h> |
| |
| #include "bridges/cpp_uno/shared/bridge.hxx" |
| #include "bridges/cpp_uno/shared/types.hxx" |
| #include "bridges/cpp_uno/shared/unointerfaceproxy.hxx" |
| #include "bridges/cpp_uno/shared/vtables.hxx" |
| |
| #include "share.hxx" |
| |
| #include <stdio.h> |
| #include <string.h> |
| |
| |
| using namespace ::rtl; |
| using namespace ::com::sun::star::uno; |
| |
| namespace |
| { |
| static sal_Int32 |
| invoke_count_words(char * pPT) |
| { |
| sal_Int32 overflow = 0, gpr = 0, fpr = 0; |
| int c; // character of parameter type being decoded |
| |
| while (*pPT != 'X') { |
| c = *pPT; |
| switch (c) { |
| case 'D': /* type is double */ |
| if (fpr < 2) fpr++; else overflow+=2; |
| break; |
| |
| case 'F': /* type is float */ |
| if (fpr < 2) fpr++; else overflow++; |
| break; |
| |
| case 'H': /* type is long long */ |
| if (gpr < 4) gpr+=2; else gpr=5, overflow+=2; |
| break; |
| |
| case 'S': |
| case 'T': |
| case 'B': |
| case 'C': |
| if (gpr < 5) gpr++; else overflow++; |
| break; |
| |
| default: |
| if (gpr < 5) gpr++; else overflow++; |
| break; |
| } |
| pPT++; |
| } |
| /* Round up number of overflow words to ensure stack |
| stays aligned to 8 bytes. */ |
| return (overflow + 1) & ~1; |
| } |
| |
| static void |
| //invoke_copy_to_stack(sal_Int32 paramCount, sal_Int32 * pStackLongs, char * pPT, sal_Int32* d_ov, sal_Int32 overflow) |
| invoke_copy_to_stack(sal_Int32 * pStackLongs, char * pPT, sal_Int32* d_ov, sal_Int32 overflow) |
| { |
| sal_Int32 *d_gpr = d_ov + overflow; |
| sal_Int64 *d_fpr = (sal_Int64 *)(d_gpr + 5); |
| sal_Int32 gpr = 0, fpr = 0; |
| char c; |
| |
| while (*pPT != 'X') { |
| c = *pPT; |
| switch (c) { |
| case 'D': /* type is double */ |
| if (fpr < 2) |
| *((double*) d_fpr) = *((double *)pStackLongs), d_fpr++, fpr++; |
| else |
| *((double*) d_ov ) = *((double *)pStackLongs), d_ov+=2; |
| |
| pStackLongs += 2; |
| break; |
| |
| case 'F': /* type is float */ |
| if (fpr < 2) { |
| *((sal_Int64*) d_fpr) = 0; |
| *((float*) d_fpr) = *((float *)pStackLongs), d_fpr++, fpr++; |
| } |
| else { |
| *((sal_Int64*) d_ov) = 0; |
| *((float*) d_ov ) = *((float *)pStackLongs), d_ov++; |
| } |
| |
| pStackLongs += 1; |
| break; |
| |
| case 'H': /* type is long long */ |
| if (gpr < 4) { |
| *((sal_Int64*) d_gpr) = *((sal_Int64*) pStackLongs), d_gpr+=2, gpr+=2; |
| } |
| else { |
| *((sal_Int64*) d_ov ) = *((sal_Int64*) pStackLongs), d_ov+=2, gpr=5; |
| } |
| pStackLongs += 2; |
| break; |
| |
| case 'S': |
| if (gpr < 5) |
| *((sal_uInt32*)d_gpr) = *((unsigned short*)pStackLongs), d_gpr++, gpr++; |
| else |
| *((sal_uInt32*)d_ov ) = *((unsigned short*)pStackLongs), d_ov++; |
| pStackLongs += 1; |
| break; |
| |
| case 'T': |
| if (gpr < 5) |
| *((sal_Int32*)d_gpr) = *((signed short*)pStackLongs), d_gpr++, gpr++; |
| else |
| *((sal_Int32*)d_ov ) = *((signed short*)pStackLongs), d_ov++; |
| pStackLongs += 1; |
| break; |
| |
| case 'B': |
| if (gpr < 5) |
| *((sal_uInt32*)d_gpr) = *((unsigned char*)pStackLongs), d_gpr++, gpr++; |
| else |
| *((sal_uInt32*)d_ov ) = *((unsigned char*)pStackLongs), d_ov++; |
| pStackLongs += 1; |
| break; |
| |
| case 'C': |
| if (gpr < 5) |
| *((sal_Int32*)d_gpr) = *((signed char*)pStackLongs), d_gpr++, gpr++; |
| else |
| *((sal_Int32*)d_ov ) = *((signed char*)pStackLongs), d_ov++; |
| pStackLongs += 1; |
| break; |
| |
| default: |
| if (gpr < 5) |
| *((sal_Int32*)d_gpr) = *pStackLongs, d_gpr++, gpr++; |
| else |
| *((sal_Int32*)d_ov ) = *pStackLongs, d_ov++; |
| pStackLongs += 1; |
| break; |
| } |
| pPT++; |
| } |
| } |
| |
| //================================================================================================== |
| static void callVirtualMethod( |
| void * pThis, |
| sal_Int32 nVtableIndex, |
| void * pRegisterReturn, |
| typelib_TypeClass eReturnType, |
| char * pPT, |
| sal_Int32 * pStackLongs, |
| sal_Int32 nStackLongs) |
| { |
| |
| // parameter list is mixed list of * and values |
| // reference parameters are pointers |
| |
| // the basic idea here is to use gpr[5] as a storage area for |
| // the future values of registers r2 to r6 needed for the call, |
| // and similarly fpr[2] as a storage area for the future values |
| // of floating point registers f0 to f2 |
| |
| sal_Int32 *vtable = *(sal_Int32 **)pThis; |
| // sal_Int32 method = vtable[nVtableIndex + 2]; |
| sal_Int32 method = vtable[nVtableIndex]; |
| sal_Int32 overflow = invoke_count_words (pPT); |
| sal_Int32 result; |
| volatile double dret; // temporary function return values |
| volatile float fret; |
| volatile int iret, iret2; |
| |
| void * dummy = alloca(32); // dummy alloca to force r11 usage for exception handling |
| |
| __asm__ __volatile__ |
| ( |
| "lr 7,15\n\t" |
| "ahi 7,-48\n\t" |
| |
| "lr 3,%2\n\t" |
| "sll 3,2\n\t" |
| "lcr 3,3\n\t" |
| "l 2,0(15)\n\t" |
| "la 15,0(3,7)\n\t" |
| "st 2,0(15)\n\t" |
| |
| "lr 2,%0\n\t" |
| "lr 3,%1\n\t" |
| "la 4,96(15)\n\t" |
| "lr 5,%2\n\t" |
| "basr 14,%3\n\t" |
| |
| "ld 0,116(7)\n\t" |
| "ld 2,124(7)\n\t" |
| "lm 2,6,96(7)\n\t" |
| : |
| : "r" (pStackLongs), |
| "r" (pPT), |
| "r" (overflow), |
| "a" (invoke_copy_to_stack), |
| "a" (method), |
| "X" (dummy) |
| : "2", "3", "4", "5", "6", "7", "memory" |
| ); |
| // "basr 14,%8\n\t" |
| |
| (*(void (*)())method)(); |
| |
| __asm__ __volatile__ |
| ( |
| "la 15,48(7)\n\t" |
| |
| "lr %2,2\n\t" |
| "lr %3,3\n\t" |
| "ler %0,0\n\t" |
| "ldr %1,0\n\t" |
| |
| : "=f" (fret), "=f" (dret), "=r" (iret), "=r" (iret2) |
| ); |
| |
| switch( eReturnType ) |
| { |
| case typelib_TypeClass_HYPER: |
| case typelib_TypeClass_UNSIGNED_HYPER: |
| // ((long*)pRegisterReturn)[0] = iret; |
| ((long*)pRegisterReturn)[1] = iret2; |
| case typelib_TypeClass_LONG: |
| case typelib_TypeClass_UNSIGNED_LONG: |
| case typelib_TypeClass_ENUM: |
| ((long*)pRegisterReturn)[0] = iret; |
| break; |
| case typelib_TypeClass_CHAR: |
| case typelib_TypeClass_SHORT: |
| case typelib_TypeClass_UNSIGNED_SHORT: |
| *(unsigned short*)pRegisterReturn = (unsigned short)iret; |
| break; |
| case typelib_TypeClass_BOOLEAN: |
| case typelib_TypeClass_BYTE: |
| *(unsigned char*)pRegisterReturn = (unsigned char)iret; |
| break; |
| case typelib_TypeClass_FLOAT: |
| *(float*)pRegisterReturn = fret; |
| break; |
| case typelib_TypeClass_DOUBLE: |
| *(double*)pRegisterReturn = dret; |
| break; |
| } |
| } |
| |
| |
| //============================================================================ |
| static void cpp_call( |
| bridges::cpp_uno::shared::UnoInterfaceProxy * pThis, |
| bridges::cpp_uno::shared::VtableSlot aVtableSlot, |
| typelib_TypeDescriptionReference * pReturnTypeRef, |
| sal_Int32 nParams, typelib_MethodParameter * pParams, |
| void * pUnoReturn, void * pUnoArgs[], uno_Any ** ppUnoExc ) |
| { |
| // max space for: [complex ret ptr], values|ptr ... |
| char * pCppStack = |
| (char *)alloca( sizeof(sal_Int32) + ((nParams+2) * sizeof(sal_Int64)) ); |
| char * pCppStackStart = pCppStack; |
| |
| // need to know parameter types for callVirtualMethod so generate a signature string |
| char * pParamType = (char *) alloca(nParams+2); |
| char * pPT = pParamType; |
| |
| // 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 (bridges::cpp_uno::shared::isSimpleType( pReturnTypeDescr )) |
| { |
| pCppReturn = pUnoReturn; // direct way for simple types |
| } |
| else |
| { |
| // complex return via ptr |
| pCppReturn = *(void **)pCppStack = (bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr ) |
| ? alloca( pReturnTypeDescr->nSize ) |
| : pUnoReturn); // direct way |
| *pPT++ = 'I'; //signify that a complex return type on stack |
| pCppStack += sizeof(void *); |
| } |
| } |
| // push "this" pointer |
| void * pAdjustedThisPtr = reinterpret_cast< void ** >( pThis->getCppI() ) + aVtableSlot.offset; |
| *(void**)pCppStack = pAdjustedThisPtr; |
| pCppStack += sizeof( void* ); |
| *pPT++ = 'I'; |
| |
| // 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 && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr )) |
| { |
| uno_copyAndConvertData( pCppArgs[nPos] = pCppStack, pUnoArgs[nPos], pParamTypeDescr, |
| pThis->getBridge()->getUno2Cpp() ); |
| |
| switch (pParamTypeDescr->eTypeClass) |
| { |
| |
| // we need to know type of each param so that we know whether to use |
| // gpr or fpr to pass in parameters: |
| // Key: I - int, long, pointer, etc means pass in gpr |
| // B - byte value passed in gpr |
| // S - short value passed in gpr |
| // F - float value pass in fpr |
| // D - double value pass in fpr |
| // H - long long int pass in proper pairs of gpr (3,4) (5,6), etc |
| // X - indicates end of parameter description string |
| |
| case typelib_TypeClass_LONG: |
| case typelib_TypeClass_UNSIGNED_LONG: |
| case typelib_TypeClass_ENUM: |
| *pPT++ = 'I'; |
| break; |
| case typelib_TypeClass_SHORT: |
| *pPT++ = 'T'; |
| break; |
| case typelib_TypeClass_CHAR: |
| case typelib_TypeClass_UNSIGNED_SHORT: |
| *pPT++ = 'S'; |
| break; |
| case typelib_TypeClass_BOOLEAN: |
| *pPT++ = 'B'; |
| break; |
| case typelib_TypeClass_BYTE: |
| *pPT++ = 'C'; |
| break; |
| case typelib_TypeClass_FLOAT: |
| *pPT++ = 'F'; |
| break; |
| case typelib_TypeClass_DOUBLE: |
| *pPT++ = 'D'; |
| pCppStack += sizeof(sal_Int32); // extra long |
| break; |
| case typelib_TypeClass_HYPER: |
| case typelib_TypeClass_UNSIGNED_HYPER: |
| *pPT++ = 'H'; |
| 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 (bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr )) |
| { |
| uno_copyAndConvertData( |
| *(void **)pCppStack = pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ), |
| pUnoArgs[nPos], pParamTypeDescr, pThis->getBridge()->getUno2Cpp() ); |
| |
| 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 ); |
| } |
| // KBH: FIXME: is this the right way to pass these |
| *pPT++='I'; |
| } |
| pCppStack += sizeof(sal_Int32); // standard parameter length |
| } |
| |
| // terminate the signature string |
| *pPT++='X'; |
| *pPT=0; |
| |
| try |
| { |
| OSL_ENSURE( !( (pCppStack - pCppStackStart ) & 3), "UNALIGNED STACK !!! (Please DO panic)" ); |
| callVirtualMethod( |
| pAdjustedThisPtr, aVtableSlot.index, |
| pCppReturn, pReturnTypeDescr->eTypeClass, pParamType, |
| (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->getBridge()->getCpp2Uno() ); |
| } |
| } |
| else // pure out |
| { |
| uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr, |
| pThis->getBridge()->getCpp2Uno() ); |
| } |
| // 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->getBridge()->getCpp2Uno() ); |
| uno_destructData( pCppReturn, pReturnTypeDescr, cpp_release ); |
| } |
| } |
| catch (...) |
| { |
| // fill uno exception |
| fillUnoException( CPPU_CURRENT_NAMESPACE::__cxa_get_globals()->caughtExceptions, |
| *ppUnoExc, pThis->getBridge()->getCpp2Uno() ); |
| |
| |
| // 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 ); |
| } |
| } |
| } |
| |
| namespace bridges { namespace cpp_uno { namespace shared { |
| |
| void unoInterfaceProxyDispatch( |
| uno_Interface * pUnoI, const typelib_TypeDescription * pMemberDescr, |
| void * pReturn, void * pArgs[], uno_Any ** ppException ) |
| { |
| #ifdef CMC_DEBUG |
| fprintf(stderr, "unoInterfaceProxyDispatch\n"); |
| #endif |
| |
| |
| // is my surrogate |
| bridges::cpp_uno::shared::UnoInterfaceProxy * pThis |
| = static_cast< bridges::cpp_uno::shared::UnoInterfaceProxy *> (pUnoI); |
| typelib_InterfaceTypeDescription * pTypeDescr = pThis->pTypeDescr; |
| |
| switch (pMemberDescr->eTypeClass) |
| { |
| case typelib_TypeClass_INTERFACE_ATTRIBUTE: |
| { |
| |
| VtableSlot aVtableSlot( |
| getVtableSlot( |
| reinterpret_cast< |
| typelib_InterfaceAttributeTypeDescription const * >( |
| pMemberDescr))); |
| |
| if (pReturn) |
| { |
| // dependent dispatch |
| cpp_call( |
| pThis, aVtableSlot, |
| ((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 |
| aVtableSlot.index += 1; //get then set method |
| cpp_call( |
| pThis, aVtableSlot, |
| pReturnTypeRef, |
| 1, &aParam, |
| pReturn, pArgs, ppException ); |
| |
| typelib_typedescriptionreference_release( pReturnTypeRef ); |
| } |
| |
| break; |
| } |
| case typelib_TypeClass_INTERFACE_METHOD: |
| { |
| |
| VtableSlot aVtableSlot( |
| getVtableSlot( |
| reinterpret_cast< |
| typelib_InterfaceMethodTypeDescription const * >( |
| pMemberDescr))); |
| switch (aVtableSlot.index) |
| { |
| // 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->getUnoEnv()->getRegisteredInterface)( |
| pThis->pBridge->getUnoEnv(), |
| (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, aVtableSlot, |
| ((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 ); |
| } |
| } |
| } |
| |
| } } } |
| /* vi:set tabstop=4 shiftwidth=4 expandtab: */ |
