/************************************************************** * * 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 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. * *************************************************************/ // MARKER(update_precomp.py): autogen include statement, do not remove #include "precompiled_bridges.hxx" #include #include #include #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 #include 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, // 0 indicates void return sal_Int32 nParams, typelib_MethodParameter * pParams, void ** gpreg, void ** fpreg, void ** ovrflw, sal_Int64 * pRegisterReturn /* space for register return */ ) { int ng = 0; //number of gpr registers used int nf = 0; //number of fpr regsiters used void ** pCppStack; //temporary stack pointer // gpreg: [ret *], this, [gpr params] // fpreg: [fpr params] // ovrflw: [gpr or fpr params (properly aligned)] // 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) { if (bridges::cpp_uno::shared::isSimpleType( pReturnTypeDescr )) { pUnoReturn = pRegisterReturn; // direct way for simple types } else // complex return via ptr (pCppReturn) { pCppReturn = *(void **)gpreg; gpreg++; ng++; pUnoReturn = (bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr ) ? alloca( pReturnTypeDescr->nSize ) : pCppReturn); // direct way } } // pop this gpreg++; ng++; // 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 )) // value { switch (pParamTypeDescr->eTypeClass) { case typelib_TypeClass_DOUBLE: if (nf < 2) { pCppArgs[nPos] = fpreg; pUnoArgs[nPos] = fpreg; nf++; fpreg += 2; } else { pCppArgs[nPos] = ovrflw; pUnoArgs[nPos] = ovrflw; ovrflw += 2; } break; case typelib_TypeClass_FLOAT: // fpreg are all double values so need to // modify fpreg to be a single word float value if (nf < 2) { // float tmp = (float) (*((double *)fpreg)); // (*((float *) fpreg)) = tmp; pCppArgs[nPos] = fpreg; pUnoArgs[nPos] = fpreg; nf++; fpreg += 2; } else { pCppArgs[nPos] = ovrflw; pUnoArgs[nPos] = ovrflw; ovrflw += 1; } break; case typelib_TypeClass_HYPER: case typelib_TypeClass_UNSIGNED_HYPER: if (ng < 4) { pCppArgs[nPos] = gpreg; pUnoArgs[nPos] = gpreg; ng += 2; gpreg += 2; } else { pCppArgs[nPos] = ovrflw; pUnoArgs[nPos] = ovrflw; ovrflw += 2; } break; case typelib_TypeClass_BYTE: case typelib_TypeClass_BOOLEAN: if (ng < 5) { pCppArgs[nPos] = (((char *)gpreg) + 3); pUnoArgs[nPos] = (((char *)gpreg) + 3); ng++; gpreg++; } else { pCppArgs[nPos] = (((char *)ovrflw) + 3); pUnoArgs[nPos] = (((char *)ovrflw) + 3); ovrflw++; } break; case typelib_TypeClass_CHAR: case typelib_TypeClass_SHORT: case typelib_TypeClass_UNSIGNED_SHORT: if (ng < 5) { pCppArgs[nPos] = (((char *)gpreg)+ 2); pUnoArgs[nPos] = (((char *)gpreg)+ 2); ng++; gpreg++; } else { pCppArgs[nPos] = (((char *)ovrflw) + 2); pUnoArgs[nPos] = (((char *)ovrflw) + 2); ovrflw++; } break; default: if (ng < 5) { pCppArgs[nPos] = gpreg; pUnoArgs[nPos] = gpreg; ng++; gpreg++; } else { pCppArgs[nPos] = ovrflw; pUnoArgs[nPos] = ovrflw; ovrflw++; } break; } // no longer needed TYPELIB_DANGER_RELEASE( pParamTypeDescr ); } else // ptr to complex value | ref { if (ng < 5) { pCppArgs[nPos] = *(void **)gpreg; pCppStack = gpreg; ng++; gpreg++; } else { pCppArgs[nPos] = *(void **)ovrflw; pCppStack = ovrflw; ovrflw++; } 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 ); } } } // 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 occured... 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 occured... { // 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_uInt32 nOffsetAndIndex, void ** gpreg, void ** fpreg, void ** ovrflw, sal_Int64 * pRegisterReturn /* space for register return */ ) { OSL_ENSURE( sizeof(sal_Int32)==sizeof(void *), "### unexpected!" ); sal_Int16 nVtableOffset = (nOffsetAndIndex >> 16); sal_Int16 nFunctionIndex = (nOffsetAndIndex & 0xFFFF); // gpreg: [ret *], this, [other gpr params] // fpreg: [fpr params] // ovrflw: [gpr or fpr params (properly aligned)] // _this_ ptr is patched cppu_XInterfaceProxy object void * pThis; if( nFunctionIndex & 0x8000 ) { nFunctionIndex &= 0x7fff; pThis = gpreg[1]; } else { pThis = gpreg[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( rtl::OUString::createFromAscii("illegal vtable index!"), (XInterface *)pCppI ); } // determine called method OSL_ENSURE( nVtableCall < 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 gpreg, fpreg, ovrflw, 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, gpreg, fpreg, ovrflw, 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 * >( gpreg[2] )->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 * >( gpreg[0] ), &pInterface, pTD, cpp_acquire ); pInterface->release(); TYPELIB_DANGER_RELEASE( pTD ); *(void **)pRegisterReturn = gpreg[0]; 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, gpreg, fpreg, ovrflw, pRegisterReturn ); } break; } default: { throw RuntimeException( rtl::OUString::createFromAscii("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) */ static void privateSnippetExecutor( sal_uInt32 nOffsetAndIndex, void** gpregptr, void** fpregptr, void** ovrflw) { #ifdef CMC_DEBUG fprintf(stderr, "privateSnippetExecutor\n"); #endif sal_Int32 gpreg[8]; double fpreg[8]; memcpy( gpreg, gpregptr, 32); memcpy( fpreg, fpregptr, 64); volatile long nRegReturn[2]; typelib_TypeClass aType = cpp_mediate( nOffsetAndIndex, (void**)gpreg, (void**)fpreg, ovrflw, (sal_Int64*)nRegReturn ); switch( aType ) { // move return value into register space // (will be loaded by machine code snippet) case typelib_TypeClass_BOOLEAN: { unsigned long tmp = (unsigned long)(*(unsigned char *)nRegReturn); __asm__ volatile ( "l 2,%0\n\t" : : "m"(tmp) : "2" ); break; } case typelib_TypeClass_BYTE: { long tmp = (long)(*(signed char *)nRegReturn); __asm__ volatile ( "l 2,%0\n\t" : : "m"(tmp) : "2" ); break; } case typelib_TypeClass_CHAR: case typelib_TypeClass_UNSIGNED_SHORT: { unsigned long tmp = (unsigned long)(*(unsigned short *)nRegReturn); __asm__ volatile ( "l 2,%0\n\t" : : "m"(tmp) : "2" ); break; } case typelib_TypeClass_SHORT: { long tmp = (long)(*(short *)nRegReturn); __asm__ volatile ( "l 2,%0\n\t" : : "m"(tmp) : "2" ); break; } case typelib_TypeClass_FLOAT: __asm__ volatile ( "le 0,%0\n\t" : : "m" (*((float*)nRegReturn)) : "16" ); break; case typelib_TypeClass_DOUBLE: __asm__ volatile ( "ld 0,%0\n\t" : : "m" (*((double*)nRegReturn)) : "16" ); break; case typelib_TypeClass_HYPER: case typelib_TypeClass_UNSIGNED_HYPER: __asm__ volatile ( "lm 2,3,%0\n\t" : : "m"(nRegReturn[0]) : "2", "3" ); break; default: __asm__ volatile ( "l 2,%0\n\t" : : "m"(nRegReturn[0]) : "2" ); break; } } const int codeSnippetSize = 50; unsigned char* codeSnippet( unsigned char * code, sal_Int16 nFunctionIndex, sal_Int16 nVtableOffset, bool simple_ret_type ) { sal_uInt32 nOffsetAndIndex = ( ( nVtableOffset ) << 16 ) | ( nFunctionIndex ); if (! simple_ret_type) nOffsetAndIndex |= 0x8000; OSL_ASSERT( sizeof (long) == 4 ); /* generate this code */ // lr %r0,%r13 // bras %r13,0x6 // .long privateSnippetExecutor // .long nOffsetAndIndex // stm %r2,%r6,8(%r15) // std %f0,64(%r15) // std %f2,72(%r15) // l %r2,4(%r13) // la %r3,8(%r15) // la %r4,64(%r15) // la %r5,96(%r15) // l %r1,0(%r13) // lr %r13,%r0 // br %r1 unsigned char * p = code; *reinterpret_cast< sal_Int16 * >(p) = 0x180d; p += sizeof(sal_Int16); *reinterpret_cast< sal_Int32 * >(p) = 0xa7d50006; p += sizeof(sal_Int32); *reinterpret_cast< sal_Int32 * >(p) = reinterpret_cast< sal_Int32 >(privateSnippetExecutor); p += sizeof(sal_Int32); *reinterpret_cast< sal_Int32 * >(p) = nOffsetAndIndex; p += sizeof(sal_Int32); *reinterpret_cast< sal_Int32 * >(p) = 0x9026f008; p += sizeof(sal_Int32); *reinterpret_cast< sal_Int32 * >(p) = 0x6000f040; p += sizeof(sal_Int32); *reinterpret_cast< sal_Int32 * >(p) = 0x6020f048; p += sizeof(sal_Int32); *reinterpret_cast< sal_Int32 * >(p) = 0x5820d004; p += sizeof(sal_Int32); *reinterpret_cast< sal_Int32 * >(p) = 0x4130f008; p += sizeof(sal_Int32); *reinterpret_cast< sal_Int32 * >(p) = 0x4140f040; p += sizeof(sal_Int32); *reinterpret_cast< sal_Int32 * >(p) = 0x4150f060; p += sizeof(sal_Int32); *reinterpret_cast< sal_Int32 * >(p) = 0x5810d000; p += sizeof(sal_Int32); *reinterpret_cast< sal_Int16 * >(p) = 0x18d0; p += sizeof(sal_Int16); *reinterpret_cast< sal_Int16 * >(p) = 0x07f1; p += sizeof(sal_Int16); return (code + codeSnippetSize); } } void bridges::cpp_uno::shared::VtableFactory::flushCode(unsigned char const *, unsigned char const *) { } 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; #ifdef CMC_DEBUG fprintf(stderr, "in addLocalFunctions functionOffset is %x\n",functionOffset); fprintf(stderr, "in addLocalFunctions vtableOffset is %x\n",vtableOffset); #endif 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, bridges::cpp_uno::shared::isSimpleType( reinterpret_cast< typelib_InterfaceAttributeTypeDescription * >( member)->pAttributeTypeRef)); // Setter: if (!reinterpret_cast< typelib_InterfaceAttributeTypeDescription * >( member)->bReadOnly) { (s++)->fn = code + writetoexecdiff; code = codeSnippet(code, functionOffset++, vtableOffset, true); } break; case typelib_TypeClass_INTERFACE_METHOD: (s++)->fn = code + writetoexecdiff; code = codeSnippet( code, functionOffset++, vtableOffset, bridges::cpp_uno::shared::isSimpleType( reinterpret_cast< typelib_InterfaceMethodTypeDescription * >( member)->pReturnTypeRef)); break; default: OSL_ASSERT(false); break; } TYPELIB_DANGER_RELEASE(member); } return code; } /* vi:set tabstop=4 shiftwidth=4 expandtab: */