diff options
Diffstat (limited to 'bridges/source/cpp_uno/gcc3_ios/cpp2uno-i386.cxx')
| -rw-r--r-- | bridges/source/cpp_uno/gcc3_ios/cpp2uno-i386.cxx | 532 |
1 files changed, 532 insertions, 0 deletions
diff --git a/bridges/source/cpp_uno/gcc3_ios/cpp2uno-i386.cxx b/bridges/source/cpp_uno/gcc3_ios/cpp2uno-i386.cxx new file mode 100644 index 000000000000..6a3689ca6c33 --- /dev/null +++ b/bridges/source/cpp_uno/gcc3_ios/cpp2uno-i386.cxx @@ -0,0 +1,532 @@ +/* -*- 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 . + */ + +#ifdef __i386 + +// For the iOS emulator (i386). Basically a copy of +// ../gcc3_macosx_intel/cpp2uno.cxx with some cleanups and necessary +// changes: To match what we do on iOS devices, we don't do any +// dynamic code generation on the emulator either (even if it as such +// wouldn't be prohibited). + +// No attempts at factoring out the large amounts of more or less +// common code in this and cpp2uno-arm.cxx have been done. Which is +// sad. But then the whole bridges/source/cpp_uno is full of +// copy/paste. So I continue in that tradition... + +#include <com/sun/star/uno/RuntimeException.hpp> +#include <sal/log.hxx> +#include <uno/data.h> +#include <typelib/typedescription.hxx> + +#include "bridge.hxx" +#include "cppinterfaceproxy.hxx" +#include "types.hxx" +#include "vtablefactory.hxx" + +#include "share.hxx" + +extern "C" { + extern int nFunIndexes, nVtableOffsets; + extern int codeSnippets[]; +} + +using namespace ::com::sun::star::uno; + +namespace +{ + +void cpp2uno_call( + bridges::cpp_uno::shared::CppInterfaceProxy * pThis, + const typelib_TypeDescription * pMemberTypeDescr, + typelib_TypeDescriptionReference * pReturnTypeRef, // 0 indicates void return + sal_Int32 nParams, typelib_MethodParameter * pParams, + void ** pCallStack, + void * pReturnValue ) +{ + // pCallStack: ret, [return ptr], this, params + char * pCppStack = (char *)(pCallStack +1); + + // return + typelib_TypeDescription * pReturnTypeDescr = 0; + if (pReturnTypeRef) + TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef ); + + void * pUnoReturn = 0; + void * pCppReturn = 0; // complex return ptr: if != 0 && != pUnoReturn, reconversion need + + if (pReturnTypeDescr) + { + // xxx todo: test PolyStructy<STRUCT<long>> foo() + if (CPPU_CURRENT_NAMESPACE::isSimpleReturnType( pReturnTypeDescr )) + { + pUnoReturn = pReturnValue; // direct way for simple types + } + else // complex return via ptr (pCppReturn) + { + pCppReturn = *(void **)pCppStack; + pCppStack += sizeof(void *); + pUnoReturn = (bridges::cpp_uno::shared::relatesToInterfaceType( + pReturnTypeDescr ) + ? alloca( pReturnTypeDescr->nSize ) + : pCppReturn); // direct way + } + } + // pop this + pCppStack += sizeof( void* ); + + // stack space + static_assert(sizeof(void *) == sizeof(sal_Int32), "### unexpected size!"); + // parameters + void ** pUnoArgs = (void **)alloca( 4 * sizeof(void *) * nParams ); + void ** pCppArgs = pUnoArgs + nParams; + // indices of values this have to be converted (interface conversion cpp<=>uno) + sal_Int32 * pTempIndices = (sal_Int32 *)(pUnoArgs + (2 * nParams)); + // type descriptions for reconversions + typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pUnoArgs + (3 * 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 )) + // value + { + pCppArgs[nPos] = pCppStack; + pUnoArgs[nPos] = pCppStack; + switch (pParamTypeDescr->eTypeClass) + { + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + case typelib_TypeClass_DOUBLE: + pCppStack += sizeof(sal_Int32); // extra long + SAL_FALLTHROUGH; + default: + break; + } + // no longer needed + TYPELIB_DANGER_RELEASE( pParamTypeDescr ); + } + else // ptr to complex value | ref + { + pCppArgs[nPos] = *(void **)pCppStack; + + if (! rParam.bIn) // is pure out + { + // uno out is unconstructed mem! + pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize ); + pTempIndices[nTempIndices] = nPos; + // will be released at reconversion + ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr; + } + // is in/inout + else if (bridges::cpp_uno::shared::relatesToInterfaceType( + pParamTypeDescr )) + { + uno_copyAndConvertData( pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize ), + *(void **)pCppStack, pParamTypeDescr, + pThis->getBridge()->getCpp2Uno() ); + pTempIndices[nTempIndices] = nPos; // has to be reconverted + // will be released at reconversion + ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr; + } + else // direct way + { + pUnoArgs[nPos] = *(void **)pCppStack; + // no longer needed + TYPELIB_DANGER_RELEASE( pParamTypeDescr ); + } + } + pCppStack += sizeof(sal_Int32); // standard parameter length + } + + // ExceptionHolder + uno_Any aUnoExc; // Any will be constructed by callee + uno_Any * pUnoExc = &aUnoExc; + + // invoke uno dispatch call + (*pThis->getUnoI()->pDispatcher)( + pThis->getUnoI(), pMemberTypeDescr, pUnoReturn, pUnoArgs, &pUnoExc ); + + // in case an exception occurred... + if (pUnoExc) + { + // destruct temporary in/inout params + for ( ; nTempIndices--; ) + { + sal_Int32 nIndex = pTempIndices[nTempIndices]; + + if (pParams[nIndex].bIn) // is in/inout => was constructed + uno_destructData( pUnoArgs[nIndex], ppTempParamTypeDescr[nTempIndices], 0 ); + TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndices] ); + } + if (pReturnTypeDescr) + TYPELIB_DANGER_RELEASE( pReturnTypeDescr ); + + CPPU_CURRENT_NAMESPACE::raiseException( + &aUnoExc, pThis->getBridge()->getUno2Cpp() ); + // has to destruct the any + } + else // else no exception occurred... + { + // temporary params + for ( ; nTempIndices--; ) + { + sal_Int32 nIndex = pTempIndices[nTempIndices]; + typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndices]; + + if (pParams[nIndex].bOut) // inout/out + { + // convert and assign + uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release ); + uno_copyAndConvertData( pCppArgs[nIndex], pUnoArgs[nIndex], pParamTypeDescr, + pThis->getBridge()->getUno2Cpp() ); + } + // destroy temp uno param + uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 ); + + TYPELIB_DANGER_RELEASE( pParamTypeDescr ); + } + // return + if (pCppReturn) // has complex return + { + if (pUnoReturn != pCppReturn) // needs reconversion + { + uno_copyAndConvertData( pCppReturn, pUnoReturn, pReturnTypeDescr, + pThis->getBridge()->getUno2Cpp() ); + // destroy temp uno return + uno_destructData( pUnoReturn, pReturnTypeDescr, 0 ); + } + if (pReturnValue != pCppReturn) { + // complex return ptr is set to eax if return value + // is not transferred via eax[/edx]: + *static_cast< void ** >(pReturnValue) = pCppReturn; + } + } + if (pReturnTypeDescr) + { + TYPELIB_DANGER_RELEASE( pReturnTypeDescr ); + } + } +} + + +extern "C" void cpp_vtable_call( + int nFunctionIndex, int nVtableOffset, void** pCallStack, + void * pReturnValue ) +{ + static_assert(sizeof(sal_Int32)==sizeof(void *), "### unexpected!"); + + // pCallStack: ret adr, [ret *], this, params + void * pThis; + if( nFunctionIndex & 0x80000000 ) + { + nFunctionIndex &= 0x7fffffff; + pThis = pCallStack[2]; + } + else + { + pThis = pCallStack[1]; + } + pThis = static_cast< char * >(pThis) - nVtableOffset; + bridges::cpp_uno::shared::CppInterfaceProxy * pCppI + = bridges::cpp_uno::shared::CppInterfaceProxy::castInterfaceToProxy( + pThis); + + typelib_InterfaceTypeDescription * pTypeDescr = pCppI->getTypeDescr(); + + SAL_INFO( "bridges.ios", "cpp_vtable_call: pCallStack=[" << + std::hex << pCallStack[0] << "," << pCallStack[1] << "," << pCallStack[2] << ",...]" << + ", pThis=" << pThis << ", pCppI=" << pCppI << + std::dec << ", nFunctionIndex=" << nFunctionIndex << ", nVtableOffset=" << nVtableOffset ); + + SAL_INFO( "bridges.ios", "name=" << OUString::unacquired(&pTypeDescr->aBase.pTypeName) ); + + assert( nFunctionIndex < pTypeDescr->nMapFunctionIndexToMemberIndex ); + + if (nFunctionIndex >= pTypeDescr->nMapFunctionIndexToMemberIndex) + { + throw RuntimeException( "illegal vtable index!", (XInterface *)pThis ); + } + + // determine called method + sal_Int32 nMemberPos = pTypeDescr->pMapFunctionIndexToMemberIndex[nFunctionIndex]; + + assert( nMemberPos < pTypeDescr->nAllMembers ); + + TypeDescription aMemberDescr( pTypeDescr->ppAllMembers[nMemberPos] ); + + SAL_INFO( "bridges.ios", "Calling " << OUString::unacquired(&aMemberDescr.get()->pTypeName) ); + + switch (aMemberDescr.get()->eTypeClass) + { + case typelib_TypeClass_INTERFACE_ATTRIBUTE: + { + if (pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos] == nFunctionIndex) + { + // is GET method + cpp2uno_call( + pCppI, aMemberDescr.get(), + ((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef, + 0, 0, // no params + pCallStack, pReturnValue ); + } + else + { + // is SET method + typelib_MethodParameter aParam; + aParam.pTypeRef = + ((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef; + aParam.bIn = sal_True; + aParam.bOut = sal_False; + + cpp2uno_call( + pCppI, aMemberDescr.get(), + 0, // indicates void return + 1, &aParam, + pCallStack, pReturnValue ); + } + break; + } + case typelib_TypeClass_INTERFACE_METHOD: + { + // is METHOD + switch (nFunctionIndex) + { + case 1: // acquire() + pCppI->acquireProxy(); // non virtual call! + break; + case 2: // release() + pCppI->releaseProxy(); // non virtual call! + break; + case 0: // queryInterface() opt + { + typelib_TypeDescription * pTD = 0; + TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pCallStack[3] )->getTypeLibType() ); + if (pTD) + { + XInterface * pInterface = 0; + (*pCppI->getBridge()->getCppEnv()->getRegisteredInterface)( + pCppI->getBridge()->getCppEnv(), + (void **)&pInterface, pCppI->getOid().pData, + (typelib_InterfaceTypeDescription *)pTD ); + + if (pInterface) + { + ::uno_any_construct( + reinterpret_cast< uno_Any * >( pCallStack[1] ), + &pInterface, pTD, cpp_acquire ); + pInterface->release(); + TYPELIB_DANGER_RELEASE( pTD ); + *static_cast< void ** >(pReturnValue) = pCallStack[1]; + break; + } + TYPELIB_DANGER_RELEASE( pTD ); + } + } // else perform queryInterface() + SAL_FALLTHROUGH; + default: + cpp2uno_call( + pCppI, aMemberDescr.get(), + ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pReturnTypeRef, + ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->nParams, + ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pParams, + pCallStack, pReturnValue ); + } + break; + } + default: + { + throw RuntimeException( "no member description found!", (XInterface *)pThis ); + } + } +} + +typedef enum { privateSnippetExecutorGeneral, privateSnippetExecutorVoid, privateSnippetExecutorHyper, privateSnippetExecutorFloat, privateSnippetExecutorDouble, privateSnippetExecutorClass } snippetExecutorKind; + +static const char * snippetExecutorClassName( + snippetExecutorKind exec) +{ + switch (exec) { + case privateSnippetExecutorGeneral: return "General"; + case privateSnippetExecutorVoid: return "Void"; + case privateSnippetExecutorHyper: return "Hyper"; + case privateSnippetExecutorFloat: return "Float"; + case privateSnippetExecutorDouble: return "Double"; + case privateSnippetExecutorClass: return "Class"; + default: + abort(); + } +} + +unsigned char * codeSnippet( + sal_Int32 functionIndex, sal_Int32 vtableOffset, + typelib_TypeDescriptionReference * pReturnTypeRef) +{ + assert(functionIndex < nFunIndexes); + if (!(functionIndex < nFunIndexes)) + return NULL; + + assert(vtableOffset < nVtableOffsets); + if (!(vtableOffset < nVtableOffsets)) + return NULL; + + snippetExecutorKind exec; + bool bHasHiddenParam = false; + if (pReturnTypeRef == 0) { + exec = privateSnippetExecutorVoid; + } + else { + switch (pReturnTypeRef->eTypeClass) { + case typelib_TypeClass_VOID: + exec = privateSnippetExecutorVoid; + break; + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + exec = privateSnippetExecutorHyper; + break; + case typelib_TypeClass_FLOAT: + exec = privateSnippetExecutorFloat; + break; + case typelib_TypeClass_DOUBLE: + exec = privateSnippetExecutorDouble; + break; + case typelib_TypeClass_STRUCT: + case typelib_TypeClass_EXCEPTION: { + typelib_TypeDescription * pReturnTypeDescr = 0; + TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef ); + bool const bSimpleReturnStruct = + CPPU_CURRENT_NAMESPACE::isSimpleReturnType(pReturnTypeDescr); + sal_Int32 const nRetSize = pReturnTypeDescr->nSize; + TYPELIB_DANGER_RELEASE( pReturnTypeDescr ); + if (bSimpleReturnStruct && nRetSize <= 8) { + exec = privateSnippetExecutorGeneral; // fills eax + if (nRetSize > 4) + exec = privateSnippetExecutorHyper; // fills eax/edx + break; + } + } + SAL_FALLTHROUGH; + case typelib_TypeClass_STRING: + case typelib_TypeClass_TYPE: + case typelib_TypeClass_SEQUENCE: + case typelib_TypeClass_INTERFACE: + case typelib_TypeClass_ANY: + bHasHiddenParam = 1; + exec = privateSnippetExecutorClass; + break; + default: + exec = privateSnippetExecutorGeneral; + break; + } + } + + // The codeSnippets table is indexed by functionIndex, + // vtableOffset, exec and the has-hidden-param flag + + int index = functionIndex*nVtableOffsets*6*2 + vtableOffset*6*2 + exec*2 + bHasHiddenParam; + unsigned char *result = ((unsigned char *) &codeSnippets) + codeSnippets[index]; + + SAL_INFO( "bridges.ios", "codeSnippet: [" << + functionIndex << "," << vtableOffset << "," << snippetExecutorClassName(exec) << "," << bHasHiddenParam << "]=" << + (void *) result); + + return result; +} + +} + +struct bridges::cpp_uno::shared::VtableFactory::Slot { void * fn; }; + +bridges::cpp_uno::shared::VtableFactory::Slot * +bridges::cpp_uno::shared::VtableFactory::mapBlockToVtable(void * block) +{ + return static_cast< Slot * >(block) + 2; +} + +std::size_t bridges::cpp_uno::shared::VtableFactory::getBlockSize( + sal_Int32 slotCount) +{ + return (slotCount + 2) * sizeof (Slot); +} + +bridges::cpp_uno::shared::VtableFactory::Slot * +bridges::cpp_uno::shared::VtableFactory::initializeBlock( + void * block, sal_Int32 slotCount, sal_Int32, + typelib_InterfaceTypeDescription *) +{ + Slot * slots = mapBlockToVtable(block); + slots[-2].fn = 0; + slots[-1].fn = 0; + return slots + slotCount; +} + +unsigned char * bridges::cpp_uno::shared::VtableFactory::addLocalFunctions( + Slot ** slots, unsigned char * code, + typelib_InterfaceTypeDescription const * type, sal_Int32 functionOffset, + sal_Int32 functionCount, sal_Int32 vtableOffset) +{ + (*slots) -= functionCount; + Slot * s = *slots; + for (sal_Int32 i = 0; i < type->nMembers; ++i) { + typelib_TypeDescription * member = 0; + TYPELIB_DANGER_GET(&member, type->ppMembers[i]); + assert(member != 0); + switch (member->eTypeClass) { + case typelib_TypeClass_INTERFACE_ATTRIBUTE: + // Getter: + (s++)->fn = codeSnippet( + functionOffset++, vtableOffset, + reinterpret_cast< typelib_InterfaceAttributeTypeDescription * >( + member)->pAttributeTypeRef); + // Setter: + if (!reinterpret_cast< + typelib_InterfaceAttributeTypeDescription * >( + member)->bReadOnly) + { + (s++)->fn = codeSnippet( + functionOffset++, vtableOffset, + 0 /* indicates VOID */); + } + break; + + case typelib_TypeClass_INTERFACE_METHOD: + (s++)->fn = codeSnippet( + functionOffset++, vtableOffset, + reinterpret_cast< typelib_InterfaceMethodTypeDescription * >( + member)->pReturnTypeRef); + break; + + default: + assert(false); + break; + } + TYPELIB_DANGER_RELEASE(member); + } + return code; +} + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |