diff options
Diffstat (limited to 'bridges/source/cpp_uno/gcc3_linux_m68k/uno2cpp.cxx')
| -rw-r--r-- | bridges/source/cpp_uno/gcc3_linux_m68k/uno2cpp.cxx | 497 |
1 files changed, 497 insertions, 0 deletions
diff --git a/bridges/source/cpp_uno/gcc3_linux_m68k/uno2cpp.cxx b/bridges/source/cpp_uno/gcc3_linux_m68k/uno2cpp.cxx new file mode 100644 index 000000000..de3aaf198 --- /dev/null +++ b/bridges/source/cpp_uno/gcc3_linux_m68k/uno2cpp.cxx @@ -0,0 +1,497 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * 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 . + */ + +#include <malloc.h> +#include <rtl/alloc.h> + +#include <com/sun/star/uno/genfunc.hxx> +#include <com/sun/star/uno/Exception.hpp> +#include "com/sun/star/uno/RuntimeException.hpp" +#include <o3tl/runtimetooustring.hxx> +#include <uno/data.h> + +#include <bridge.hxx> +#include <types.hxx> +#include <unointerfaceproxy.hxx> +#include <vtables.hxx> + +#include "share.hxx" + +#include <exception> +#include <stdio.h> +#include <string.h> +#include <typeinfo> + +using namespace ::com::sun::star::uno; + +void MapReturn(long d0, long d1, typelib_TypeClass eReturnType, long *pRegisterReturn) +{ + register float fret asm("fp0"); + register double dret asm("fp0"); + + switch( eReturnType ) + { + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + pRegisterReturn[1] = d1; + case typelib_TypeClass_LONG: + case typelib_TypeClass_UNSIGNED_LONG: + case typelib_TypeClass_ENUM: + case typelib_TypeClass_CHAR: + case typelib_TypeClass_SHORT: + case typelib_TypeClass_UNSIGNED_SHORT: + case typelib_TypeClass_BOOLEAN: + case typelib_TypeClass_BYTE: + pRegisterReturn[0] = d0; + break; + case typelib_TypeClass_FLOAT: + *(float*)pRegisterReturn = fret; + break; + case typelib_TypeClass_DOUBLE: + *(double*)pRegisterReturn = dret; + break; + default: + break; + } +} + +namespace +{ + +void callVirtualMethod( + void * pThis, + sal_Int32 nVtableIndex, + void * pRegisterReturn, + typelib_TypeClass eReturnType, + sal_uInt32 *pStack, + sal_uInt32 nStack) __attribute__((noinline)); + +void callVirtualMethod( + void * pThis, + sal_Int32 nVtableIndex, + void * pRegisterReturn, + typelib_TypeClass eReturnType, + sal_uInt32 *pStack, + sal_uInt32 nStack) +{ + // never called + if (! pThis) + CPPU_CURRENT_NAMESPACE::dummy_can_throw_anything("xxx"); // address something + + if ( nStack ) + { + // m68k stack is either 2 or 4 bytes aligned, doesn't really matter as + // we deal in 4 byte units anyway + sal_uInt32 nStackBytes = nStack * sizeof(sal_uInt32); + sal_uInt32 *stack = (sal_uInt32 *) __builtin_alloca( nStackBytes ); + memcpy( stack, pStack, nStackBytes ); + } + +#if OSL_DEBUG_LEVEL > 2 + // Let's figure out what is really going on here + { + fprintf( stderr, "\nStack (%d): ", nStack ); + for ( unsigned int i = 0; i < nStack; ++i ) + fprintf( stderr, "0x%lx, ", pStack[i] ); + fprintf( stderr, "\n" ); + fprintf( stderr, "pRegisterReturn is %p\n", pRegisterReturn); + } +#endif + + sal_uInt32 pMethod = *((sal_uInt32*)pThis); + pMethod += 4 * nVtableIndex; + pMethod = *((sal_uInt32 *)pMethod); + + typedef long (*FunctionCall )(); + FunctionCall pFunc = (FunctionCall)pMethod; + + //stick the return area into r8 for big struct returning + asm volatile("movel %0,%%a1" : : "m"(pRegisterReturn) : ); + + long d0 = (*pFunc)(); + + register long d1 asm("d1"); + + MapReturn(d0, d1, eReturnType, (long*)pRegisterReturn); +} +} + +#define INSERT_INT32( pSV, pDS )\ + *pDS++ = *reinterpret_cast<sal_uInt32 *>( pSV ); + +#define INSERT_INT64( pSV, pDS )\ + INSERT_INT32( pSV, pDS ) \ + INSERT_INT32( ((sal_uInt32*)pSV)+1, pDS ) + +#define INSERT_FLOAT( pSV, pDS ) \ + INSERT_INT32( pSV, pDS ) + +#define INSERT_DOUBLE( pSV, pDS ) \ + INSERT_INT64( pSV, pDS ) + +#define INSERT_INT16( pSV, pDS ) \ + *pDS++ = *reinterpret_cast<sal_uInt16 *>( pSV ); + +#define INSERT_INT8( pSV, pDS ) \ + *pDS++ = *reinterpret_cast<sal_uInt8 *>( pSV ); + +namespace { + +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 ... + sal_uInt32 * pStack = (sal_uInt32 *)__builtin_alloca( + sizeof(sal_Int32) + ((nParams+2) * sizeof(sal_Int64)) ); + sal_uInt32 * pStackStart = pStack; + + // return + typelib_TypeDescription * pReturnTypeDescr = 0; + TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef ); + assert(pReturnTypeDescr); + + 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 = (bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr ) + ? __builtin_alloca( pReturnTypeDescr->nSize ) + : pUnoReturn); // direct way + +// INSERT_INT32( &pCppReturn, pStack ); + } + } + // push this + void * pAdjustedThisPtr = reinterpret_cast< void ** >(pThis->getCppI()) + + aVtableSlot.offset; + INSERT_INT32( &pAdjustedThisPtr, pStack ); + + // stack space + static_assert(sizeof(void *) == sizeof(sal_Int32), "### unexpected size!"); + // args + void ** pCppArgs = (void **)alloca( 3 * sizeof(void *) * nParams ); + // indices of values this have to be converted (interface conversion cpp<=>uno) + sal_Int32 * pTempIndices = (sal_Int32 *)(pCppArgs + nParams); + // type descriptions for reconversions + typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pCppArgs + (2 * nParams)); + + sal_Int32 nTempIndices = 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] = pStack, pUnoArgs[nPos], + uno_copyAndConvertData( pCppArgs[nPos] = alloca(8), pUnoArgs[nPos], + pParamTypeDescr, pThis->getBridge()->getUno2Cpp() ); + + switch (pParamTypeDescr->eTypeClass) + { + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: +#if OSL_DEBUG_LEVEL > 2 + fprintf(stderr, "hyper is %lx\n", pCppArgs[nPos]); +#endif + INSERT_INT64( pCppArgs[nPos], pStack ); + break; + case typelib_TypeClass_LONG: + case typelib_TypeClass_UNSIGNED_LONG: + case typelib_TypeClass_ENUM: +#if OSL_DEBUG_LEVEL > 2 + fprintf(stderr, "long is %x\n", pCppArgs[nPos]); +#endif + INSERT_INT32( pCppArgs[nPos], pStack ); + break; + case typelib_TypeClass_SHORT: + case typelib_TypeClass_CHAR: + case typelib_TypeClass_UNSIGNED_SHORT: + INSERT_INT16( pCppArgs[nPos], pStack ); + break; + case typelib_TypeClass_BOOLEAN: + case typelib_TypeClass_BYTE: + INSERT_INT8( pCppArgs[nPos], pStack ); + break; + case typelib_TypeClass_FLOAT: + INSERT_FLOAT( pCppArgs[nPos], pStack ); + break; + case typelib_TypeClass_DOUBLE: + INSERT_DOUBLE( pCppArgs[nPos], pStack ); + break; + } + // 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( + pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ), + pParamTypeDescr ); + pTempIndices[nTempIndices] = nPos; // default constructed for cpp call + // will be released at reconversion + ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr; + } + // is in/inout + else if (bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr )) + { + uno_copyAndConvertData( + pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ), + pUnoArgs[nPos], pParamTypeDescr, pThis->getBridge()->getUno2Cpp() ); + + pTempIndices[nTempIndices] = nPos; // has to be reconverted + // will be released at reconversion + ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr; + } + else // direct way + { + pCppArgs[nPos] = pUnoArgs[nPos]; + // no longer needed + TYPELIB_DANGER_RELEASE( pParamTypeDescr ); + } + INSERT_INT32( &(pCppArgs[nPos]), pStack ); + } + } + + try + { + try { + callVirtualMethod( + pAdjustedThisPtr, aVtableSlot.index, + pCppReturn, pReturnTypeDescr->eTypeClass, + pStackStart, + (pStack - pStackStart)); + } catch (css::uno::Exception &) { + throw; + } catch (std::exception & e) { + throw css::uno::RuntimeException( + "C++ code threw " + o3tl::runtimeToOUString(typeid(e).name()) + ": " + + o3tl::runtimeToOUString(e.what())); + } catch (...) { + throw css::uno::RuntimeException("C++ code threw unknown exception"); + } + + // NO exception occurred... + *ppUnoExc = 0; + + // reconvert temporary params + for ( ; nTempIndices--; ) + { + sal_Int32 nIndex = pTempIndices[nTempIndices]; + typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndices]; + + 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 + CPPU_CURRENT_NAMESPACE::fillUnoException(*ppUnoExc, pThis->getBridge()->getCpp2Uno()); + + // temporary params + for ( ; nTempIndices--; ) + { + sal_Int32 nIndex = pTempIndices[nTempIndices]; + // destroy temp cpp param => cpp: every param was constructed + uno_destructData( pCppArgs[nIndex], ppTempParamTypeDescr[nTempIndices], cpp_release ); + TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndices] ); + } + + // return type + if (pReturnTypeDescr) + TYPELIB_DANGER_RELEASE( pReturnTypeDescr ); + } +} +} + +namespace bridges::cpp_uno::shared { + +void unoInterfaceProxyDispatch( + uno_Interface * pUnoI, const typelib_TypeDescription * pMemberDescr, + void * pReturn, void * pArgs[], uno_Any ** ppException ) +{ + // 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: + { + // determine vtable call index + sal_Int32 nMemberPos = ((typelib_InterfaceMemberTypeDescription *)pMemberDescr)->nPosition; + assert(nMemberPos < pTypeDescr->nAllMembers); + + 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("void"); + typelib_typedescriptionreference_new( + &pReturnTypeRef, typelib_TypeClass_VOID, aVoidName.pData ); + + // dependent dispatch + aVtableSlot.index += 1; + cpp_call( + pThis, aVtableSlot, // 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; + assert(nMemberPos < pTypeDescr->nAllMembers); + + 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->getBridge()->getUnoEnv()->getRegisteredInterface)( + pThis->getBridge()->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( + "illegal member type description!", + ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >() ); + + Type const & rExcType = cppu::UnoType<decltype(aExc)>::get(); + // binary identical null reference + ::uno_type_any_construct( *ppException, &aExc, rExcType.getTypeLibType(), 0 ); + } + } +} + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |