From ed5640d8b587fbcfed7dd7967f3de04b37a76f26 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 11:06:44 +0200 Subject: Adding upstream version 4:7.4.7. Signed-off-by: Daniel Baumann --- bridges/source/cpp_uno/gcc3_linux_s390/uno2cpp.cxx | 637 +++++++++++++++++++++ 1 file changed, 637 insertions(+) create mode 100644 bridges/source/cpp_uno/gcc3_linux_s390/uno2cpp.cxx (limited to 'bridges/source/cpp_uno/gcc3_linux_s390/uno2cpp.cxx') diff --git a/bridges/source/cpp_uno/gcc3_linux_s390/uno2cpp.cxx b/bridges/source/cpp_uno/gcc3_linux_s390/uno2cpp.cxx new file mode 100644 index 000000000..27d773706 --- /dev/null +++ b/bridges/source/cpp_uno/gcc3_linux_s390/uno2cpp.cxx @@ -0,0 +1,637 @@ +/* -*- 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 + +#include +#include +#include + +#include +#include +#include +#include +#include + +#include "bridge.hxx" +#include "types.hxx" +#include "unointerfaceproxy.hxx" +#include "vtables.hxx" + +#include "share.hxx" + +#include +#include + + +using namespace ::com::sun::star::uno; + +namespace +{ +static sal_Int32 +invoke_count_words(char * pPT) +{ + sal_Int32 overflow = 0, gpr = 0, fpr = 0; + + while (*pPT != 'X') { + // character of parameter type being decoded + const int 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; + + while (*pPT != 'X') { + const char 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 ); + 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 = *(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 + 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] = 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 ); + 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( + *(void **)pCppStack = 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 + { + *(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 + { + assert( !( (pCppStack - pCppStackStart ) & 3) && "UNALIGNED STACK !!! (Please DO panic)" ); + try { + callVirtualMethod( + pAdjustedThisPtr, aVtableSlot.index, + pCppReturn, pReturnTypeDescr->eTypeClass, pParamType, + (sal_Int32 *)pCppStackStart, (pCppStack - pCppStackStart) / sizeof(sal_Int32) ); + } 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 ) +{ +#if OSL_DEBUG_LEVEL > 2 + fprintf(stderr, "unoInterfaceProxyDispatch\n"); +#endif + + + // is my surrogate + bridges::cpp_uno::shared::UnoInterfaceProxy * pThis + = static_cast< bridges::cpp_uno::shared::UnoInterfaceProxy *> (pUnoI); + + 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("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( + "illegal member type description!", + ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >() ); + + Type const & rExcType = cppu::UnoType::get(); + // binary identical null reference + ::uno_type_any_construct( *ppException, &aExc, rExcType.getTypeLibType(), 0 ); + } + } +} + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ -- cgit v1.2.3