/************************************************************** * * 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 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 */ ) { #ifdef CMC_DEBUG fprintf(stderr, "as far as cpp2uno_call\n"); #endif int ng = 0; //number of gpr registers used int nf = 0; //number of fpr regsiters used // 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_Int64), "### 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 ); #ifdef CMC_DEBUG fprintf(stderr, "arg %d of %d\n", nPos, nParams); #endif if (!rParam.bOut && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr )) // value { #ifdef CMC_DEBUG fprintf(stderr, "simple\n"); #endif switch (pParamTypeDescr->eTypeClass) { case typelib_TypeClass_FLOAT: case typelib_TypeClass_DOUBLE: if (nf < s390x::MAX_SSE_REGS) { if (pParamTypeDescr->eTypeClass == typelib_TypeClass_FLOAT) { float tmp = (float) (*((double *)fpreg)); (*((float *) fpreg)) = tmp; } pCppArgs[nPos] = pUnoArgs[nPos] = fpreg++; nf++; } else { pCppArgs[nPos] = pUnoArgs[nPos] = ovrflw; ovrflw++; } break; case typelib_TypeClass_BYTE: case typelib_TypeClass_BOOLEAN: if (ng < s390x::MAX_GPR_REGS) { pCppArgs[nPos] = pUnoArgs[nPos] = (((char *)gpreg) + (sizeof(void*)-1)); ng++; gpreg++; } else { pCppArgs[nPos] = pUnoArgs[nPos] = (((char *)ovrflw) + (sizeof(void*)-1)); ovrflw++; } break; case typelib_TypeClass_CHAR: case typelib_TypeClass_SHORT: case typelib_TypeClass_UNSIGNED_SHORT: if (ng < s390x::MAX_GPR_REGS) { pCppArgs[nPos] = pUnoArgs[nPos] = (((char *)gpreg) + (sizeof(void*)-2)); ng++; gpreg++; } else { pCppArgs[nPos] = pUnoArgs[nPos] = (((char *)ovrflw) + (sizeof(void*)-2)); ovrflw++; } break; case typelib_TypeClass_ENUM: case typelib_TypeClass_LONG: case typelib_TypeClass_UNSIGNED_LONG: if (ng < s390x::MAX_GPR_REGS) { pCppArgs[nPos] = pUnoArgs[nPos] = (((char *)gpreg) + (sizeof(void*)-4)); ng++; gpreg++; } else { pCppArgs[nPos] = pUnoArgs[nPos] = (((char *)ovrflw) + (sizeof(void*)-4)); ovrflw++; } break; default: if (ng < s390x::MAX_GPR_REGS) { pCppArgs[nPos] = pUnoArgs[nPos] = gpreg++; ng++; } else { pCppArgs[nPos] = pUnoArgs[nPos] = ovrflw; ovrflw++; } break; } // no longer needed TYPELIB_DANGER_RELEASE( pParamTypeDescr ); } else // ptr to complex value | ref { #ifdef CMC_DEBUG fprintf(stderr, "complex, ng is %d\n", ng); #endif void *pCppStack; //temporary stack pointer if (ng < s390x::MAX_GPR_REGS) { pCppArgs[nPos] = pCppStack = *gpreg++; ng++; } else { pCppArgs[nPos] = 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 ), 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] = pCppStack; // no longer needed TYPELIB_DANGER_RELEASE( pParamTypeDescr ); } } } #ifdef CMC_DEBUG fprintf(stderr, "end of params\n"); #endif // 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_uInt64 nOffsetAndIndex, void ** gpreg, void ** fpreg, void ** ovrflw, sal_Int64 * pRegisterReturn /* space for register return */ ) { OSL_ENSURE( sizeof(sal_Int64)==sizeof(void *), "### unexpected!" ); sal_Int32 nVtableOffset = (nOffsetAndIndex >> 32); sal_Int32 nFunctionIndex = (nOffsetAndIndex & 0xFFFFFFFF); #ifdef CMC_DEBUG fprintf(stderr, "nVTableOffset, nFunctionIndex are %x %x\n", nVtableOffset, nFunctionIndex); #endif #ifdef CMC_DEBUG // Let's figure out what is really going on here { fprintf( stderr, "= cpp_mediate () =\nGPR's (%d): ", 5 ); for ( unsigned int i = 0; i < 5; ++i ) fprintf( stderr, "0x%lx, ", gpreg[i] ); fprintf( stderr, "\n"); fprintf( stderr, "\nFPR's (%d): ", 4 ); for ( unsigned int i = 0; i < 4; ++i ) fprintf( stderr, "0x%lx (%f), ", fpreg[i], fpreg[i] ); fprintf( stderr, "\n"); } #endif // 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 & 0x80000000 ) { nFunctionIndex &= 0x7fffffff; 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; } long privateSnippetExecutor(long r2, long r3, long r4, long r5, long r6, long firstonstack) { register long r0 asm("r0"); sal_uInt64 nOffsetAndIndex = r0; long sp = (long)&firstonstack; sal_uInt64 gpreg[s390x::MAX_GPR_REGS]; gpreg[0] = r2; gpreg[1] = r3; gpreg[2] = r4; gpreg[3] = r5; gpreg[4] = r6; double fpreg[s390x::MAX_SSE_REGS]; register double f0 asm("f0"); fpreg[0] = f0; register double f2 asm("f2"); fpreg[1] = f2; register double f4 asm("f4"); fpreg[2] = f4; register double f6 asm("f6"); fpreg[3] = f6; volatile long nRegReturn[1]; #ifdef CMC_DEBUG fprintf(stderr, "before mediate with %lx\n",nOffsetAndIndex); fprintf(stderr, "doubles are %f %f %f %f\n", fpreg[0], fpreg[1], fpreg[2], fpreg[3]); #endif typelib_TypeClass aType = cpp_mediate( nOffsetAndIndex, (void**)gpreg, (void**)fpreg, (void**)sp, (sal_Int64*)nRegReturn ); #ifdef CMC_DEBUG fprintf(stderr, "after mediate ret is %lx %ld\n", nRegReturn[0], nRegReturn[0]); #endif switch( aType ) { case typelib_TypeClass_BOOLEAN: case typelib_TypeClass_BYTE: nRegReturn[0] = (unsigned long)(*(unsigned char *)nRegReturn); break; case typelib_TypeClass_CHAR: case typelib_TypeClass_UNSIGNED_SHORT: case typelib_TypeClass_SHORT: nRegReturn[0] = (unsigned long)(*(unsigned short *)nRegReturn); break; case typelib_TypeClass_ENUM: case typelib_TypeClass_UNSIGNED_LONG: case typelib_TypeClass_LONG: nRegReturn[0] = (unsigned long)(*(unsigned int *)nRegReturn); break; case typelib_TypeClass_VOID: default: break; case typelib_TypeClass_FLOAT: { double tmp = (double) (*((float *)nRegReturn)); (*((double *) nRegReturn)) = tmp; } //deliberate fall through case typelib_TypeClass_DOUBLE: __asm__ ( "ld 0,%0\n\t" : : "m" (*((double*)nRegReturn)) ); break; } return nRegReturn[0]; } const int codeSnippetSize = 32; unsigned char *codeSnippet( unsigned char * code, sal_Int32 nFunctionIndex, sal_Int32 nVtableOffset, bool simple_ret_type ) { sal_uInt64 nOffsetAndIndex = ( ( (sal_uInt64) nVtableOffset ) << 32 ) | ( (sal_Int64) nFunctionIndex ); if (! simple_ret_type) nOffsetAndIndex |= 0x80000000; unsigned char * p = code; *(short *)&p[0] = 0x0d10; /* basr %r1,0 */ *(short *)&p[2] = 0xeb01; /* lmg %r0,%r1,14(%r1) */ *(short *)&p[4] = 0x100e; *(short *)&p[6] = 0x0004; *(short *)&p[8] = 0x07f1; /* br %r1 */ *(long *)&p[16] = (long)nOffsetAndIndex; *(long *)&p[24] = (long)&privateSnippetExecutor; 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: */