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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
commit | ed5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch) | |
tree | 7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /bridges/source/cpp_uno/gcc3_linux_alpha/uno2cpp.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream.tar.xz libreoffice-upstream.zip |
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'bridges/source/cpp_uno/gcc3_linux_alpha/uno2cpp.cxx')
-rw-r--r-- | bridges/source/cpp_uno/gcc3_linux_alpha/uno2cpp.cxx | 536 |
1 files changed, 536 insertions, 0 deletions
diff --git a/bridges/source/cpp_uno/gcc3_linux_alpha/uno2cpp.cxx b/bridges/source/cpp_uno/gcc3_linux_alpha/uno2cpp.cxx new file mode 100644 index 000000000..48a5f862b --- /dev/null +++ b/bridges/source/cpp_uno/gcc3_linux_alpha/uno2cpp.cxx @@ -0,0 +1,536 @@ +/* -*- 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 <sal/config.h> + +#include <exception> +#include <malloc.h> +#include <typeinfo> + +#include <com/sun/star/uno/Exception.hpp> +#include <com/sun/star/uno/RuntimeException.hpp> +#include <com/sun/star/uno/genfunc.hxx> +#include <o3tl/runtimetooustring.hxx> +#include <uno/data.h> + +#include "bridge.hxx" +#include "types.hxx" +#include "unointerfaceproxy.hxx" +#include "vtables.hxx" + +#include "share.hxx" + +#include <stdio.h> +#include <string.h> + + +using namespace ::com::sun::star::uno; + +void MapReturn(long r0, typelib_TypeClass eTypeClass, sal_uInt64* pRegisterReturn) +{ + register float fret asm("$f0"); + register double dret asm("$f0"); + +#if OSL_DEBUG_LEVEL > 2 + fprintf(stderr,"Mapping Return with %lx %ld %f\n", r0, r0, dret); +#endif + switch (eTypeClass) + { + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + *pRegisterReturn = r0; + break; + case typelib_TypeClass_LONG: + case typelib_TypeClass_UNSIGNED_LONG: + case typelib_TypeClass_ENUM: + *(unsigned int*)pRegisterReturn = (unsigned int)r0; + break; + case typelib_TypeClass_CHAR: + case typelib_TypeClass_SHORT: + case typelib_TypeClass_UNSIGNED_SHORT: + *(unsigned short*)pRegisterReturn = (unsigned short)r0; + break; + case typelib_TypeClass_BOOLEAN: + case typelib_TypeClass_BYTE: + *(unsigned char*)pRegisterReturn = (unsigned char)r0; + break; + case typelib_TypeClass_FLOAT: + *reinterpret_cast<float *>( pRegisterReturn ) = fret; + break; + case typelib_TypeClass_DOUBLE: + *reinterpret_cast<double *>( pRegisterReturn ) = dret; + break; + default: + break; + } +#if OSL_DEBUG_LEVEL > 2 + fprintf(stderr, "end of MapReturn with %x\n", pRegisterReturn ? *pRegisterReturn : 0); +#endif +} + +#define INSERT_FLOAT( pSV, nr, pFPR, pDS ) \ + { \ + if ( nr < axp::MAX_WORDS_IN_REGS ) \ + { \ + pFPR[nr++] = *reinterpret_cast<float *>( pSV ); \ + } \ + else \ + *pDS++ = *reinterpret_cast<sal_uInt64 *>( pSV ); \ + } + +#define INSERT_DOUBLE( pSV, nr, pFPR, pDS ) \ + if ( nr < axp::MAX_WORDS_IN_REGS ) \ + pFPR[nr++] = *reinterpret_cast<double *>( pSV ); \ + else \ + *pDS++ = *reinterpret_cast<sal_uInt64 *>( pSV ); // verbatim! + +#define INSERT_INT64( pSV, nr, pGPR, pDS ) \ + if ( nr < axp::MAX_WORDS_IN_REGS ) \ + pGPR[nr++] = *reinterpret_cast<sal_uInt64 *>( pSV ); \ + else \ + *pDS++ = *reinterpret_cast<sal_uInt64 *>( pSV ); + +#define INSERT_INT32( pSV, nr, pGPR, pDS ) \ + if ( nr < axp::MAX_WORDS_IN_REGS ) \ + pGPR[nr++] = *reinterpret_cast<sal_uInt32 *>( pSV ); \ + else \ + *pDS++ = *reinterpret_cast<sal_uInt32 *>( pSV ); + +#define INSERT_INT16( pSV, nr, pGPR, pDS ) \ + if ( nr < axp::MAX_WORDS_IN_REGS ) \ + pGPR[nr++] = *reinterpret_cast<sal_uInt16 *>( pSV ); \ + else \ + *pDS++ = *reinterpret_cast<sal_uInt16 *>( pSV ); + +#define INSERT_INT8( pSV, nr, pGPR, pDS ) \ + if ( nr < axp::MAX_WORDS_IN_REGS ) \ + pGPR[nr++] = *reinterpret_cast<sal_uInt8 *>( pSV ); \ + else \ + *pDS++ = *reinterpret_cast<sal_uInt8 *>( pSV ); + +namespace +{ + +void callVirtualMethod( + void * pThis, sal_Int32 nVtableIndex, + void * pRegisterReturn, typelib_TypeDescription * pReturnTypeDescr, + sal_uInt64 *pStack, sal_uInt32 nStack, + sal_uInt64 *pGPR, sal_uInt32 nGPR, + double *pFPR, sal_uInt32 nFPR) +{ + // Should not happen, but... + if ( nFPR > axp::MAX_SSE_REGS ) + nFPR = axp::MAX_SSE_REGS; + if ( nGPR > axp::MAX_GPR_REGS ) + nGPR = axp::MAX_GPR_REGS; + +#if OSL_DEBUG_LEVEL > 2 + // Let's figure out what is really going on here + { + fprintf( stderr, "= nStack is %d\n", nStack ); + fprintf( stderr, "= callVirtualMethod() =\nGPR's (%d): ", nGPR ); + for ( unsigned int i = 0; i < nGPR; ++i ) + fprintf( stderr, "0x%lx, ", pGPR[i] ); + fprintf( stderr, "\nFPR's (%d): ", nFPR ); + for ( unsigned int i = 0; i < nFPR; ++i ) + fprintf( stderr, "0x%lx (%f), ", pFPR[i], pFPR[i] ); + 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 + + // Load parameters to stack, if necessary + // Stack, if used, must be 8-bytes aligned + sal_uInt64 *stack = (sal_uInt64 *) __builtin_alloca( nStack * 8 ); + memcpy( stack, pStack, nStack * 8 ); + + // To get pointer to method + // a) get the address of the vtable + sal_uInt64 pMethod = *((sal_uInt64 *)pThis); + // b) get the address from the vtable entry at offset + pMethod += 8 * nVtableIndex; + pMethod = *((sal_uInt64 *)pMethod); + + typedef void (* FunctionCall )( sal_uInt64, sal_uInt64, sal_uInt64, sal_uInt64, sal_uInt64, sal_uInt64 ); + FunctionCall pFunc = (FunctionCall)pMethod; + + switch (nFPR) //deliberate fall through + { + case 6: + asm volatile("ldt $f16,%0" :: "m"(pFPR[5]) : "$f16"); + case 5: + asm volatile("ldt $f17,%0" :: "m"(pFPR[4]) : "$f17"); + case 4: + asm volatile("ldt $f18,%0" :: "m"(pFPR[3]) : "$f18"); + case 3: + asm volatile("ldt $f19,%0" :: "m"(pFPR[2]) : "$f19"); + case 2: + asm volatile("ldt $f20,%0" :: "m"(pFPR[1]) : "$f20"); + case 1: + asm volatile("ldt $f21,%0" :: "m"(pFPR[0]) : "$f21"); + default: + break; + } + + (*pFunc)(pGPR[0], pGPR[1], pGPR[2], pGPR[3], pGPR[4], pGPR[5]); + register sal_uInt64 r0 __asm__("$0"); + MapReturn(r0, pReturnTypeDescr->eTypeClass, (sal_uInt64*)pRegisterReturn); +} + + +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_uInt64 * pStack = (sal_uInt64 *)alloca( (nParams+3) * sizeof(sal_Int64) ); + sal_uInt64 * pStackStart = pStack; + + sal_uInt64 pGPR[axp::MAX_GPR_REGS]; + double pFPR[axp::MAX_SSE_REGS]; + sal_uInt32 nRegs = 0; + + // 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 ) + ? alloca( pReturnTypeDescr->nSize ) + : pUnoReturn); // direct way + INSERT_INT64( &pCppReturn, nRegs, pGPR, pStack ); + } + } + // push "this" pointer + void * pAdjustedThisPtr = reinterpret_cast< void ** >( pThis->getCppI() ) + aVtableSlot.offset; + + INSERT_INT64( &pAdjustedThisPtr, nRegs, pGPR, pStack ); + + // stack space + static_assert(sizeof(void *) == sizeof(sal_Int64), "### 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] = alloca( 8 ), pUnoArgs[nPos], pParamTypeDescr, + pThis->getBridge()->getUno2Cpp() ); + + switch (pParamTypeDescr->eTypeClass) + { + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + INSERT_INT64( pCppArgs[nPos], nRegs, pGPR, pStack ); + break; + case typelib_TypeClass_LONG: + case typelib_TypeClass_UNSIGNED_LONG: + case typelib_TypeClass_ENUM: + INSERT_INT32( pCppArgs[nPos], nRegs, pGPR, pStack ); + break; + case typelib_TypeClass_SHORT: + case typelib_TypeClass_CHAR: + case typelib_TypeClass_UNSIGNED_SHORT: + INSERT_INT16( pCppArgs[nPos], nRegs, pGPR, pStack ); + break; + case typelib_TypeClass_BOOLEAN: + case typelib_TypeClass_BYTE: + INSERT_INT8( pCppArgs[nPos], nRegs, pGPR, pStack ); + break; + case typelib_TypeClass_FLOAT: + INSERT_FLOAT( pCppArgs[nPos], nRegs, pFPR, pStack ); + break; + case typelib_TypeClass_DOUBLE: + INSERT_DOUBLE( pCppArgs[nPos], nRegs, pFPR, pStack ); + break; + default: + 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_INT64( &(pCppArgs[nPos]), nRegs, pGPR, pStack ); + } + } + + try + { + try { + callVirtualMethod( + pAdjustedThisPtr, aVtableSlot.index, + pCppReturn, pReturnTypeDescr, + pStackStart, (pStack - pStackStart), + pGPR, nRegs, + pFPR, nRegs ); + } 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<decltype(aExc)>::get(); + // binary identical null reference + ::uno_type_any_construct( *ppException, &aExc, rExcType.getTypeLibType(), 0 ); + } + } +} + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |