/************************************************************** * * 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 */ ) { #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; bool bOverFlowUsed = false; 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 )) { #ifdef CMC_DEBUG fprintf(stderr, "simple\n"); #endif switch (pParamTypeDescr->eTypeClass) { case typelib_TypeClass_FLOAT: case typelib_TypeClass_DOUBLE: if (nf < ppc64::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; bOverFlowUsed = true; } if (bOverFlowUsed) ovrflw++; break; case typelib_TypeClass_BYTE: case typelib_TypeClass_BOOLEAN: if (ng < ppc64::MAX_GPR_REGS) { pCppArgs[nPos] = pUnoArgs[nPos] = (((char *)gpreg) + (sizeof(void*)-1)); ng++; gpreg++; } else { pCppArgs[nPos] = pUnoArgs[nPos] = (((char *)ovrflw) + (sizeof(void*)-1)); bOverFlowUsed = true; } if (bOverFlowUsed) ovrflw++; break; case typelib_TypeClass_CHAR: case typelib_TypeClass_SHORT: case typelib_TypeClass_UNSIGNED_SHORT: if (ng < ppc64::MAX_GPR_REGS) { pCppArgs[nPos] = pUnoArgs[nPos] = (((char *)gpreg) + (sizeof(void*)-2)); ng++; gpreg++; } else { pCppArgs[nPos] = pUnoArgs[nPos] = (((char *)ovrflw) + (sizeof(void*)-2)); bOverFlowUsed = true; } if (bOverFlowUsed) ovrflw++; break; case typelib_TypeClass_ENUM: case typelib_TypeClass_LONG: case typelib_TypeClass_UNSIGNED_LONG: if (ng < ppc64::MAX_GPR_REGS) { pCppArgs[nPos] = pUnoArgs[nPos] = (((char *)gpreg) + (sizeof(void*)-4)); ng++; gpreg++; } else { pCppArgs[nPos] = pUnoArgs[nPos] = (((char *)ovrflw) + (sizeof(void*)-4)); bOverFlowUsed = true; } if (bOverFlowUsed) ovrflw++; break; default: if (ng < ppc64::MAX_GPR_REGS) { pCppArgs[nPos] = pUnoArgs[nPos] = gpreg++; ng++; } else { pCppArgs[nPos] = pUnoArgs[nPos] = ovrflw; bOverFlowUsed = true; } if (bOverFlowUsed) 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 < ppc64::MAX_GPR_REGS) { pCppArgs[nPos] = pCppStack = *gpreg++; ng++; } else { pCppArgs[nPos] = pCppStack = *ovrflw; bOverFlowUsed = true; } if (bOverFlowUsed) 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 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_uInt64 nOffsetAndIndex, void ** gpreg, void ** fpreg, long sp, 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); long sf = *(long*)sp; void ** ovrflw = (void**)(sf + 112); // gpreg: [ret *], this, [other gpr params] // fpreg: [fpr params] // ovrflw: [gpr or fpr params (properly aligned)] void * pThis; if (nFunctionIndex & 0x80000000 ) { nFunctionIndex &= 0x7fffffff; pThis = gpreg[1]; #ifdef CMC_DEBUG fprintf(stderr, "pThis is gpreg[1]\n"); #endif } else { pThis = gpreg[0]; #ifdef CMC_DEBUG fprintf(stderr, "pThis is gpreg[0]\n"); #endif } #ifdef CMC_DEBUG fprintf(stderr, "pThis is %lx\n", pThis); #endif pThis = static_cast< char * >(pThis) - nVtableOffset; #ifdef CMC_DEBUG fprintf(stderr, "pThis is now %lx\n", pThis); #endif bridges::cpp_uno::shared::CppInterfaceProxy * pCppI = bridges::cpp_uno::shared::CppInterfaceProxy::castInterfaceToProxy( pThis); typelib_InterfaceTypeDescription * pTypeDescr = pCppI->getTypeDescr(); #ifdef CMC_DEBUG fprintf(stderr, "indexes are %d %d\n", nFunctionIndex, pTypeDescr->nMapFunctionIndexToMemberIndex); #endif OSL_ENSURE( nFunctionIndex < pTypeDescr->nMapFunctionIndexToMemberIndex, "### illegal vtable index!" ); if (nFunctionIndex >= pTypeDescr->nMapFunctionIndexToMemberIndex) { throw RuntimeException( rtl::OUString::createFromAscii("illegal vtable index!"), (XInterface *)pThis ); } // determine called method sal_Int32 nMemberPos = pTypeDescr->pMapFunctionIndexToMemberIndex[nFunctionIndex]; OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### illegal member index!" ); #ifdef CMC_DEBUG fprintf(stderr, "members are %d %d\n", nMemberPos, pTypeDescr->nAllMembers); #endif 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: { #ifdef CMC_DEBUG fprintf(stderr, "screwed\n"); #endif throw RuntimeException( rtl::OUString::createFromAscii("no member description found!"), (XInterface *)pThis ); // is here for dummy eRet = typelib_TypeClass_VOID; } } #ifdef CMC_DEBUG fprintf(stderr, "end of cpp_mediate\n"); #endif return eRet; } extern "C" void privateSnippetExecutor( ... ) { volatile long nOffsetAndIndex; //mr %r3, %r11 # move into arg1 the 64bit value passed from OOo __asm__ __volatile__ ( "mr %0, 11\n\t" : "=r" (nOffsetAndIndex) : ); sal_uInt64 gpreg[ppc64::MAX_GPR_REGS]; double fpreg[ppc64::MAX_SSE_REGS]; __asm__ __volatile__ ( "std 3, 0(%0)\t\n" "std 4, 8(%0)\t\n" "std 5, 16(%0)\t\n" "std 6, 24(%0)\t\n" "std 7, 32(%0)\t\n" "std 8, 40(%0)\t\n" "std 9, 48(%0)\t\n" "std 10, 56(%0)\t\n" "stfd 1, 0(%1)\t\n" "stfd 2, 8(%1)\t\n" "stfd 3, 16(%1)\t\n" "stfd 4, 24(%1)\t\n" "stfd 5, 32(%1)\t\n" "stfd 6, 40(%1)\t\n" "stfd 7, 48(%1)\t\n" "stfd 8, 56(%1)\t\n" "stfd 9, 64(%1)\t\n" "stfd 10, 72(%1)\t\n" "stfd 11, 80(%1)\t\n" "stfd 12, 88(%1)\t\n" "stfd 13, 96(%1)\t\n" : : "r" (gpreg), "r" (fpreg) : "r0", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "fr1", "fr2", "fr3", "fr4", "fr5", "fr6", "fr7", "fr8", "fr9", "fr10", "fr11", "fr12", "fr13" ); volatile long sp; //stack pointer __asm__ __volatile__ ( "mr %0, 1\n\t" : "=r" (sp) : ); volatile long nRegReturn[1]; typelib_TypeClass aType = cpp_mediate( nOffsetAndIndex, (void**)gpreg, (void**)fpreg, sp, (sal_Int64*)nRegReturn); switch( aType ) { case typelib_TypeClass_VOID: break; case typelib_TypeClass_BOOLEAN: case typelib_TypeClass_BYTE: __asm__( "lbz 3,%0\n\t" : : "m" (nRegReturn[0]) ); break; case typelib_TypeClass_CHAR: case typelib_TypeClass_UNSIGNED_SHORT: __asm__( "lhz 3,%0\n\t" : : "m" (nRegReturn[0]) ); break; case typelib_TypeClass_SHORT: __asm__( "lha 3,%0\n\t" : : "m" (nRegReturn[0]) ); break; case typelib_TypeClass_ENUM: case typelib_TypeClass_UNSIGNED_LONG: __asm__( "lwz 3,%0\n\t" : : "m"(nRegReturn[0]) ); break; case typelib_TypeClass_LONG: __asm__( "lwa 3,%0\n\t" : : "m"(nRegReturn[0]) ); break; case typelib_TypeClass_FLOAT: __asm__( "lfs 1,%0\n\t" : : "m" (*((float*)nRegReturn)) ); break; case typelib_TypeClass_DOUBLE: __asm__( "lfd 1,%0\n\t" : : "m" (*((double*)nRegReturn)) ); break; default: __asm__( "ld 3,%0\n\t" : : "m" (nRegReturn[0]) ); break; } } const int codeSnippetSize = 24; unsigned char * codeSnippet( unsigned char * code, sal_Int32 nFunctionIndex, sal_Int32 nVtableOffset, bool simpleRetType) { #ifdef CMC_DEBUG fprintf(stderr,"in codeSnippet functionIndex is %x\n", nFunctionIndex); fprintf(stderr,"in codeSnippet vtableOffset is %x\n", nVtableOffset); #endif sal_uInt64 nOffsetAndIndex = ( ( (sal_uInt64) nVtableOffset ) << 32 ) | ( (sal_uInt64) nFunctionIndex ); if ( !simpleRetType ) nOffsetAndIndex |= 0x80000000; void ** raw = (void **)&code[0]; memcpy(raw, (char*) privateSnippetExecutor, 16); raw[2] = (void*) nOffsetAndIndex; #ifdef CMC_DEBUG fprintf(stderr, "in: offset/index is %x %x %d, %lx\n", nFunctionIndex, nVtableOffset, !simpleRetType, raw[2]); #endif return (code + codeSnippetSize); } } void bridges::cpp_uno::shared::VtableFactory::flushCode(unsigned char const * bptr, unsigned char const * eptr) { int const lineSize = 32; for (unsigned char const * p = bptr; p < eptr + lineSize; p += lineSize) { __asm__ volatile ("dcbst 0, %0" : : "r"(p) : "memory"); } __asm__ volatile ("sync" : : : "memory"); for (unsigned char const * p = bptr; p < eptr + lineSize; p += lineSize) { __asm__ volatile ("icbi 0, %0" : : "r"(p) : "memory"); } __asm__ volatile ("isync" : : : "memory"); } 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: */