diff options
Diffstat (limited to 'bridges/source/cpp_uno/gcc3_netbsd_intel/uno2cpp.cxx')
-rw-r--r-- | bridges/source/cpp_uno/gcc3_netbsd_intel/uno2cpp.cxx | 433 |
1 files changed, 433 insertions, 0 deletions
diff --git a/bridges/source/cpp_uno/gcc3_netbsd_intel/uno2cpp.cxx b/bridges/source/cpp_uno/gcc3_netbsd_intel/uno2cpp.cxx new file mode 100644 index 000000000000..873abecd7420 --- /dev/null +++ b/bridges/source/cpp_uno/gcc3_netbsd_intel/uno2cpp.cxx @@ -0,0 +1,433 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_bridges.hxx" + +#include <sal/alloca.h> +#include <rtl/alloc.h> + +#include <uno/data.h> +#include <bridges/cpp_uno/bridge.hxx> +#include <bridges/cpp_uno/type_misc.hxx> + +#include "share.hxx" + + +using namespace ::rtl; +using namespace ::com::sun::star::uno; + +namespace CPPU_CURRENT_NAMESPACE +{ + +void dummy_can_throw_anything( char const * ); + +//================================================================================================== +// The call instruction within the asm section of callVirtualMethod may throw +// exceptions. So that the compiler handles this correctly, it is important +// that (a) callVirtualMethod might call dummy_can_throw_anything (although this +// never happens at runtime), which in turn can throw exceptions, and (b) +// callVirtualMethod is not inlined at its call site (so that any exceptions are +// caught which are thrown from the instruction calling callVirtualMethod): +void callVirtualMethod( + void * pThis, + sal_Int32 nVtableIndex, + void * pRegisterReturn, + typelib_TypeClass eReturnType, + sal_Int32 * pStackLongs, + sal_Int32 nStackLongs ) __attribute__((noinline)); + +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 edx = 0, eax = 0; // for register returns + void * stackptr; + asm volatile ( + "mov %%esp, %6\n\t" + // copy values + "mov %0, %%eax\n\t" + "mov %%eax, %%edx\n\t" + "dec %%edx\n\t" + "shl $2, %%edx\n\t" + "add %1, %%edx\n" + "Lcopy:\n\t" + "pushl 0(%%edx)\n\t" + "sub $4, %%edx\n\t" + "dec %%eax\n\t" + "jne Lcopy\n\t" + // do the actual call + "mov %2, %%edx\n\t" + "mov 0(%%edx), %%edx\n\t" + "mov %3, %%eax\n\t" + "shl $2, %%eax\n\t" + "add %%eax, %%edx\n\t" + "mov 0(%%edx), %%edx\n\t" + "call *%%edx\n\t" + // save return registers + "mov %%eax, %4\n\t" + "mov %%edx, %5\n\t" + // cleanup stack + "mov %6, %%esp\n\t" + : + : "m"(nStackLongs), "m"(pStackLongs), "m"(pThis), "m"(nVtableIndex), + "m"(eax), "m"(edx), "m"(stackptr) + : "eax", "edx" ); + switch( eReturnType ) + { + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + ((long*)pRegisterReturn)[1] = edx; + case typelib_TypeClass_LONG: + case typelib_TypeClass_UNSIGNED_LONG: + case typelib_TypeClass_CHAR: + case typelib_TypeClass_ENUM: + ((long*)pRegisterReturn)[0] = eax; + break; + case typelib_TypeClass_SHORT: + case typelib_TypeClass_UNSIGNED_SHORT: + *(unsigned short*)pRegisterReturn = eax; + break; + case typelib_TypeClass_BOOLEAN: + case typelib_TypeClass_BYTE: + *(unsigned char*)pRegisterReturn = eax; + break; + case typelib_TypeClass_FLOAT: + asm ( "fstps %0" : : "m"(*(char *)pRegisterReturn) ); + break; + case typelib_TypeClass_DOUBLE: + asm ( "fstpl %0\n\t" : : "m"(*(char *)pRegisterReturn) ); + 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], values|ptr ... + char * pCppStack = + (char *)alloca( sizeof(sal_Int32) + ((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 + } + 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 )) + { + uno_copyAndConvertData( pCppArgs[nPos] = pCppStack, 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 (...) + { + // fill uno 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 () +{ + // 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 ); + } + } +} + +} + |