diff options
Diffstat (limited to 'bridges/source/cpp_uno/gcc3_linux_m68k/cpp2uno.cxx')
| -rw-r--r-- | bridges/source/cpp_uno/gcc3_linux_m68k/cpp2uno.cxx | 534 |
1 files changed, 534 insertions, 0 deletions
diff --git a/bridges/source/cpp_uno/gcc3_linux_m68k/cpp2uno.cxx b/bridges/source/cpp_uno/gcc3_linux_m68k/cpp2uno.cxx new file mode 100644 index 000000000000..7c46d1a0b408 --- /dev/null +++ b/bridges/source/cpp_uno/gcc3_linux_m68k/cpp2uno.cxx @@ -0,0 +1,534 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * 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. + * + ************************************************************************/ + +#include <malloc.h> +#include <boost/unordered_map.hpp> + +#include <rtl/alloc.h> +#include <osl/mutex.hxx> + +#include <com/sun/star/uno/genfunc.hxx> +#include "com/sun/star/uno/RuntimeException.hpp" +#include <uno/data.h> +#include <typelib/typedescription.hxx> + +#include "bridges/cpp_uno/shared/bridge.hxx" +#include "bridges/cpp_uno/shared/cppinterfaceproxy.hxx" +#include "bridges/cpp_uno/shared/types.hxx" +#include "bridges/cpp_uno/shared/vtablefactory.hxx" + +#include "share.hxx" + +#include <dlfcn.h> + + +using namespace ::osl; +using namespace ::rtl; +using namespace ::com::sun::star::uno; + +namespace +{ + + static typelib_TypeClass cpp2uno_call( + bridges::cpp_uno::shared::CppInterfaceProxy* pThis, + const typelib_TypeDescription * pMemberTypeDescr, + typelib_TypeDescriptionReference * pReturnTypeRef, + sal_Int32 nParams, typelib_MethodParameter * pParams, + long r8, void ** pCallStack, + sal_Int64 * pRegisterReturn /* space for register return */ ) + { + // pCallStack: ret, [return ptr], this, params + char * pTopStack = (char *)(pCallStack + 0); + char * pCppStack = pTopStack; +#if OSL_DEBUG_LEVEL > 2 + fprintf(stderr, "cpp2uno_call\n"); +#endif + // return + typelib_TypeDescription * pReturnTypeDescr = 0; + if (pReturnTypeRef) + TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef ); + + void * pUnoReturn = 0; + // complex return ptr: if != 0 && != pUnoReturn, reconversion need + void * pCppReturn = 0; + + if (pReturnTypeDescr) + { + if (bridges::cpp_uno::shared::isSimpleType( pReturnTypeDescr )) + { +#if OSL_DEBUG_LEVEL > 2 + fprintf(stderr, "simple return\n"); +#endif + pUnoReturn = pRegisterReturn; // direct way for simple types + } + else // complex return via ptr (pCppReturn) + { +#if OSL_DEBUG_LEVEL > 2 + fprintf(stderr, "complex return\n"); +#endif + pCppReturn = (void *)r8; + + pUnoReturn = (bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr ) + ? alloca( pReturnTypeDescr->nSize ) + : pCppReturn); // direct way + } + } + // pop this + pCppStack += sizeof( void* ); + + // stack space + OSL_ENSURE( sizeof(void *) == sizeof(sal_Int32), + "### unexpected size!" ); + // parameters + void ** pUnoArgs = (void **)alloca( 4 * sizeof(void *) * nParams ); + void ** pCppArgs = pUnoArgs + nParams; + // indizes of values this have to be converted (interface conversion + // cpp<=>uno) + sal_Int32 * pTempIndizes = (sal_Int32 *)(pUnoArgs + (2 * nParams)); + // type descriptions for reconversions + typelib_TypeDescription ** ppTempParamTypeDescr = + (typelib_TypeDescription **)(pUnoArgs + (3 * 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 && + bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr )) + { + switch (pParamTypeDescr->eTypeClass) + { + case typelib_TypeClass_BYTE: + case typelib_TypeClass_BOOLEAN: + pCppArgs[nPos] = pCppStack + 3; + pUnoArgs[nPos] = pCppStack + 3; + break; + case typelib_TypeClass_CHAR: + case typelib_TypeClass_SHORT: + case typelib_TypeClass_UNSIGNED_SHORT: + pCppArgs[nPos] = pCppStack + 2; + pUnoArgs[nPos] = pCppStack + 2; + break; + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + case typelib_TypeClass_DOUBLE: + pCppArgs[nPos] = pCppStack; + pUnoArgs[nPos] = pCppStack; + pCppStack += sizeof(sal_Int32); // extra long + break; + default: + pCppArgs[nPos] = pCppStack; + pUnoArgs[nPos] = pCppStack; + 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 ); + pTempIndizes[nTempIndizes] = nPos; + // will be released at reconversion + ppTempParamTypeDescr[nTempIndizes++] = 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() ); + pTempIndizes[nTempIndizes] = nPos; // has to be reconverted + // will be released at reconversion + ppTempParamTypeDescr[nTempIndizes++] = 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; + +#if OSL_DEBUG_LEVEL > 2 + fprintf(stderr, "before dispatch\n"); +#endif + // invoke uno dispatch call + (*pThis->getUnoI()->pDispatcher)( + pThis->getUnoI(), pMemberTypeDescr, pUnoReturn, pUnoArgs, &pUnoExc ); + +#if OSL_DEBUG_LEVEL > 2 + fprintf(stderr, "after dispatch\n"); +#endif + + // in case an exception occurred... + if (pUnoExc) + { + // destruct temporary in/inout params + for ( ; nTempIndizes--; ) + { + sal_Int32 nIndex = pTempIndizes[nTempIndizes]; + + if (pParams[nIndex].bIn) // is in/inout => was constructed + uno_destructData( pUnoArgs[nIndex], + ppTempParamTypeDescr[nTempIndizes], 0 ); + TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndizes] ); + } + if (pReturnTypeDescr) + TYPELIB_DANGER_RELEASE( pReturnTypeDescr ); + + CPPU_CURRENT_NAMESPACE::raiseException( &aUnoExc, + pThis->getBridge()->getUno2Cpp() ); // has to destruct the any + // is here for dummy + return typelib_TypeClass_VOID; + } + else // else no exception occurred... + { + // temporary params + for ( ; nTempIndizes--; ) + { + sal_Int32 nIndex = pTempIndizes[nTempIndizes]; + typelib_TypeDescription * pParamTypeDescr = + ppTempParamTypeDescr[nTempIndizes]; + + 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 ); + } + // complex return ptr is set to return reg + *(void **)pRegisterReturn = pCppReturn; + } + if (pReturnTypeDescr) + { + typelib_TypeClass eRet = + (typelib_TypeClass)pReturnTypeDescr->eTypeClass; + TYPELIB_DANGER_RELEASE( pReturnTypeDescr ); + return eRet; + } + else + return typelib_TypeClass_VOID; + } + } + + + //===================================================================== + static typelib_TypeClass cpp_mediate( + sal_Int32 nFunctionIndex, sal_Int32 nVtableOffset, + long sp, long r8, + sal_Int64 * pRegisterReturn /* space for register return */ ) + { + void ** pCallStack = (void**)(sp); +#if OSL_DEBUG_LEVEL > 2 + fprintf(stderr, "cpp_mediate with\n"); + fprintf(stderr, "%x %x\n", nFunctionIndex, nVtableOffset); + fprintf(stderr, "and %x %x\n", pCallStack, pRegisterReturn); + fprintf(stderr, "and %x %x\n", pCallStack[0], pCallStack[1]); +#endif + OSL_ENSURE( sizeof(sal_Int32)==sizeof(void *), "### unexpected!" ); + + void *pThis = pCallStack[0]; + + pThis = static_cast< char * >(pThis) - nVtableOffset; + + bridges::cpp_uno::shared::CppInterfaceProxy * pCppI = + bridges::cpp_uno::shared::CppInterfaceProxy::castInterfaceToProxy( + pThis); + + typelib_InterfaceTypeDescription * pTypeDescr = pCppI->getTypeDescr(); + + OSL_ENSURE( nFunctionIndex < pTypeDescr->nMapFunctionIndexToMemberIndex, + "### illegal vtable index!" ); + if (nFunctionIndex >= pTypeDescr->nMapFunctionIndexToMemberIndex) + { + throw RuntimeException( + OUString( RTL_CONSTASCII_USTRINGPARAM( "illegal vtable index!" )), + (XInterface *)pCppI ); + } + + // determine called method + OSL_ENSURE( nFunctionIndex < pTypeDescr->nMapFunctionIndexToMemberIndex, + "### illegal vtable index!" ); + sal_Int32 nMemberPos = + pTypeDescr->pMapFunctionIndexToMemberIndex[nFunctionIndex]; + OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, + "### illegal member index!" ); + + TypeDescription aMemberDescr( pTypeDescr->ppAllMembers[nMemberPos] ); + + typelib_TypeClass eRet; + switch (aMemberDescr.get()->eTypeClass) + { + case typelib_TypeClass_INTERFACE_ATTRIBUTE: + { + if (pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos] == + nFunctionIndex) + { + // is GET method + eRet = cpp2uno_call( + pCppI, aMemberDescr.get(), + ((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef, + 0, 0, // no params + r8, pCallStack, pRegisterReturn ); + } + else + { + // is SET method + typelib_MethodParameter aParam; + aParam.pTypeRef = + ((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef; + aParam.bIn = sal_True; + aParam.bOut = sal_False; + + eRet = cpp2uno_call( + pCppI, aMemberDescr.get(), + 0, // indicates void return + 1, &aParam, + r8, pCallStack, pRegisterReturn ); + } + break; + } + case typelib_TypeClass_INTERFACE_METHOD: + { + // is METHOD + switch (nFunctionIndex) + { + case 1: // acquire() + pCppI->acquireProxy(); // non virtual call! + eRet = typelib_TypeClass_VOID; + break; + case 2: // release() + pCppI->releaseProxy(); // non virtual call! + eRet = typelib_TypeClass_VOID; + break; + case 0: // queryInterface() opt + { + typelib_TypeDescription * pTD = 0; + TYPELIB_DANGER_GET(&pTD, + reinterpret_cast<Type *>(pCallStack[1])->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 * >( r8 ), + &pInterface, pTD, cpp_acquire ); + pInterface->release(); + TYPELIB_DANGER_RELEASE( pTD ); + *(void **)pRegisterReturn = (void*)r8; + eRet = typelib_TypeClass_ANY; + break; + } + TYPELIB_DANGER_RELEASE( pTD ); + } + } // else perform queryInterface() + default: + eRet = cpp2uno_call( + pCppI, aMemberDescr.get(), + ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pReturnTypeRef, + ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->nParams, + ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pParams, + r8, pCallStack, pRegisterReturn ); + } + break; + } + default: + { + throw RuntimeException( + OUString( RTL_CONSTASCII_USTRINGPARAM( "no member description found!" )), + (XInterface *)pCppI ); + // is here for dummy + eRet = typelib_TypeClass_VOID; + } + } + + return eRet; + } +} + +//======================================================================= +/** + * is called on incoming vtable calls + * (called by asm snippets) + */ + +extern "C" sal_Int64 cpp_vtable_call( long firstonstack ) +{ + register long d0 asm("d0"); + long functionIndex = d0; + + register long a1 asm("a1"); + long r8 = a1; + + register long d1 asm("d1"); + long vtableOffset = d1; + + long sp = (long)&firstonstack; + + sal_Int64 nRegReturn; + cpp_mediate( functionIndex, vtableOffset, sp, r8, &nRegReturn ); + return nRegReturn; +} + +namespace +{ + const int codeSnippetSize = 20; + + //some m68k info : http://www2.biglobe.ne.jp/~inaba/trampolines.html + + unsigned char *codeSnippet(unsigned char* code, sal_Int32 functionIndex, + sal_Int32 vtableOffset) + { + unsigned char * p = code; + *(short *)&p[0] = 0x203C; //movel functionIndex,d0 + *(long *)&p[2] = functionIndex; + *(short *)&p[6] = 0x223C; //movel functionIndex,d1 + *(long *)&p[8] = vtableOffset; + *(short *)&p[12] = 0x4EF9; //jmp cpp_vtable_call + *(long *)&p[14] = (long)&cpp_vtable_call; + *(short *)&p[18] = 0x4E71; //nop + return code + codeSnippetSize; + } +} + +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; +} + +sal_Size bridges::cpp_uno::shared::VtableFactory::getBlockSize( + sal_Int32 slotCount) +{ + return (slotCount + 2) * sizeof (Slot) + slotCount * codeSnippetSize; +} + +bridges::cpp_uno::shared::VtableFactory::Slot * +bridges::cpp_uno::shared::VtableFactory::initializeBlock( + void * block, sal_Int32 slotCount) +{ + 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, sal_PtrDiff writetoexecdiff, + 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]); + OSL_ASSERT(member != 0); + switch (member->eTypeClass) + { + case typelib_TypeClass_INTERFACE_ATTRIBUTE: + // Getter: + (s++)->fn = code + writetoexecdiff; + code = codeSnippet(code, functionOffset++, vtableOffset); + // Setter: + if (!reinterpret_cast< + typelib_InterfaceAttributeTypeDescription * >( + member)->bReadOnly) + { + (s++)->fn = code + writetoexecdiff; + code = codeSnippet(code, functionOffset++, vtableOffset); + } + break; + case typelib_TypeClass_INTERFACE_METHOD: + { + (s++)->fn = code + writetoexecdiff; + + typelib_InterfaceMethodTypeDescription *pMethodTD = + reinterpret_cast< + typelib_InterfaceMethodTypeDescription * >(member); + + code = codeSnippet(code, functionOffset++, vtableOffset); + break; + } + default: + OSL_ASSERT(false); + break; + } + TYPELIB_DANGER_RELEASE(member); + } + return code; +} + +void bridges::cpp_uno::shared::VtableFactory::flushCode( + unsigned char const * /*beg*/, unsigned char const * /*end*/) +{ +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |