/* -*- 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 . */ #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 extern "C" { extern void (*privateSnippetExecutor)(); } 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, long r8, void ** gpreg, void ** fpreg, void ** ovrflw, sal_Int64 * pRegisterReturn /* space for register return */ ) { #if OSL_DEBUG_LEVEL > 2 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 ( ia64::return_in_hidden_param( pReturnTypeRef ) ) // complex return via ptr passed as hidden parameter reg (pCppReturn) { pCppReturn = *(void **)gpreg; gpreg++; ng++; pUnoReturn = (bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr ) ? alloca( pReturnTypeDescr->nSize ) : pCppReturn); // direct way } else if ( ia64::return_via_r8_buffer( pReturnTypeRef ) ) // complex return via ptr passed in r8 { pCppReturn = (void *)r8; pUnoReturn = (bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr ) ? alloca( pReturnTypeDescr->nSize ) : pCppReturn); // direct way } else pUnoReturn = pRegisterReturn; // direct way for simple types } // 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; // 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; 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 ); #if OSL_DEBUG_LEVEL > 2 fprintf(stderr, "arg %d of %d\n", nPos, nParams); #endif //I think it is impossible to get UNO to pass structs as parameters by copy if (!rParam.bOut && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr )) { #if OSL_DEBUG_LEVEL > 2 fprintf(stderr, "simple\n"); #endif switch (pParamTypeDescr->eTypeClass) { case typelib_TypeClass_FLOAT: if (nf < ia64::MAX_SSE_REGS && ng < ia64::MAX_GPR_REGS) { float tmp = (float) (*((double *)fpreg)); (*((float *) fpreg)) = tmp; pCppArgs[nPos] = pUnoArgs[nPos] = fpreg++; nf++; gpreg++; ng++; } else { pCppArgs[nPos] = pUnoArgs[nPos] = ovrflw; bOverflowUsed = true; } if (bOverflowUsed) ovrflw++; break; case typelib_TypeClass_DOUBLE: if (nf < ia64::MAX_SSE_REGS && ng < ia64::MAX_GPR_REGS) { pCppArgs[nPos] = pUnoArgs[nPos] = fpreg++; nf++; gpreg++; ng++; } else { pCppArgs[nPos] = pUnoArgs[nPos] = ovrflw; bOverflowUsed = true; } if (bOverflowUsed) ovrflw++; break; case typelib_TypeClass_BYTE: case typelib_TypeClass_BOOLEAN: case typelib_TypeClass_CHAR: case typelib_TypeClass_SHORT: case typelib_TypeClass_UNSIGNED_SHORT: case typelib_TypeClass_ENUM: case typelib_TypeClass_LONG: case typelib_TypeClass_UNSIGNED_LONG: default: if (ng < ia64::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 { #if OSL_DEBUG_LEVEL > 2 fprintf(stderr, "complex, ng is %d\n", ng); #endif void *pCppStack; //temporary stack pointer if (ng < ia64::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 ); 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 ), 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] = pCppStack; // no longer needed TYPELIB_DANGER_RELEASE( pParamTypeDescr ); } } } #if OSL_DEBUG_LEVEL > 2 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 ( ; 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 // is here for dummy return typelib_TypeClass_VOID; } 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 ); } // complex return ptr is set to return reg *(void **)pRegisterReturn = pCppReturn; } if (pReturnTypeDescr) { typelib_TypeClass eRet = ia64::return_via_r8_buffer(pReturnTypeRef) ? typelib_TypeClass_VOID : (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, long r8, 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); void ** ovrflw = (void**)(sp); // 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]; #if OSL_DEBUG_LEVEL > 2 fprintf(stderr, "pThis is gpreg[1]\n"); #endif } else { pThis = gpreg[0]; #if OSL_DEBUG_LEVEL > 2 fprintf(stderr, "pThis is gpreg[0]\n"); #endif } #if OSL_DEBUG_LEVEL > 2 fprintf(stderr, "pThis is %p\n", pThis); #endif pThis = static_cast< char * >(pThis) - nVtableOffset; #if OSL_DEBUG_LEVEL > 2 fprintf(stderr, "pThis is now %p\n", pThis); #endif bridges::cpp_uno::shared::CppInterfaceProxy * pCppI = bridges::cpp_uno::shared::CppInterfaceProxy::castInterfaceToProxy( pThis); typelib_InterfaceTypeDescription * pTypeDescr = pCppI->getTypeDescr(); #if OSL_DEBUG_LEVEL > 2 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( "illegal vtable index!", (XInterface *)pThis ); } // determine called method sal_Int32 nMemberPos = pTypeDescr->pMapFunctionIndexToMemberIndex[nFunctionIndex]; OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### illegal member index!" ); #if OSL_DEBUG_LEVEL > 2 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 r8, 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, r8, 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, r8, gpreg, fpreg, ovrflw, pRegisterReturn ); } break; } default: { #if OSL_DEBUG_LEVEL > 2 fprintf(stderr, "screwed\n"); #endif throw RuntimeException( "no member description found!", (XInterface *)pThis ); } } #if OSL_DEBUG_LEVEL > 2 fprintf(stderr, "end of cpp_mediate\n"); #endif return eRet; } } extern "C" ia64::RegReturn cpp_vtable_call( long in0, long in1, long in2, long in3, long in4, long in5, long in6, long in7, long firstonstack ) { register long r15 asm("r15"); long r8 = r15; register long r14 asm("r14"); long nOffsetAndIndex = r14; long sp = (long)&firstonstack; sal_uInt64 gpreg[ia64::MAX_GPR_REGS]; gpreg[0] = in0; gpreg[1] = in1; gpreg[2] = in2; gpreg[3] = in3; gpreg[4] = in4; gpreg[5] = in5; gpreg[6] = in6; gpreg[7] = in7; double fpreg[ia64::MAX_SSE_REGS]; register double f8 asm("f8"); fpreg[0] = f8; register double f9 asm("f9"); fpreg[1] = f9; register double f10 asm("f10"); fpreg[2] = f10; register double f11 asm("f11"); fpreg[3] = f11; register double f12 asm("f12"); fpreg[4] = f12; register double f13 asm("f13"); fpreg[5] = f13; register double f14 asm("f14"); fpreg[6] = f14; register double f15 asm("f15"); fpreg[7] = f15; #if OSL_DEBUG_LEVEL > 2 fprintf(stderr, "cpp_vtable_call called with %lx\n", nOffsetAndIndex); fprintf(stderr, "adump is %lx %lx %lx %lx %lx %lx %lx %lx\n", in0, in1, in2, in3, in4, in5, in6, in7); fprintf(stderr, "bdump is %f %f %f %f %f %f %f %f\n", f8, f9, f10, f11, f12, f13, f14, f15); #endif volatile long nRegReturn[4] = { 0 }; typelib_TypeClass aType = cpp_mediate( nOffsetAndIndex, (void**)gpreg, (void**)fpreg, sp, r8, (sal_Int64*)&nRegReturn[0]); ia64::RegReturn ret; switch( aType ) { case typelib_TypeClass_VOID: break; case typelib_TypeClass_BOOLEAN: case typelib_TypeClass_BYTE: case typelib_TypeClass_CHAR: case typelib_TypeClass_UNSIGNED_SHORT: case typelib_TypeClass_SHORT: case typelib_TypeClass_ENUM: case typelib_TypeClass_UNSIGNED_LONG: case typelib_TypeClass_LONG: case typelib_TypeClass_UNSIGNED_HYPER: case typelib_TypeClass_HYPER: ret.r8 = nRegReturn[0]; break; case typelib_TypeClass_FLOAT: asm volatile("ldfs f8=%0" : : "m"((*((float*)&nRegReturn))) : "f8"); break; case typelib_TypeClass_DOUBLE: asm volatile("ldfd f8=%0" : : "m"((*((double*)&nRegReturn))) : "f8"); break; case typelib_TypeClass_STRUCT: case typelib_TypeClass_EXCEPTION: { ret.r8 = nRegReturn[0]; ret.r9 = nRegReturn[1]; ret.r10 = nRegReturn[2]; ret.r11 = nRegReturn[3]; break; } default: break; } return ret; } namespace { const int codeSnippetSize = 40; bridges::cpp_uno::shared::VtableFactory::Slot codeSnippet( unsigned char * code, sal_PtrDiff writetoexecdiff, sal_Int32 nFunctionIndex, sal_Int32 nVtableOffset, bool bHasHiddenParam ) { #if OSL_DEBUG_LEVEL > 2 fprintf(stderr, "size is %d\n", codeSnippetSize); 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 ( bHasHiddenParam ) nOffsetAndIndex |= 0x80000000; long *raw = (long *)code; bridges::cpp_uno::shared::VtableFactory::Slot* destination = (bridges::cpp_uno::shared::VtableFactory::Slot*)cpp_vtable_call; raw[0] = (long)&privateSnippetExecutor; raw[1] = (long)&raw[2]; raw[2] = nOffsetAndIndex; raw[3] = destination->gp_value; return *(bridges::cpp_uno::shared::VtableFactory::Slot*)(code+writetoexecdiff); } } void bridges::cpp_uno::shared::VtableFactory::flushCode(unsigned char const *, unsigned char const *) { } 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); Slot foo = {0,0}; slots[-2] = foo; slots[-1] = foo; return slots + slotCount; } unsigned char * bridges::cpp_uno::shared::VtableFactory::addLocalFunctions( Slot ** in_slots, unsigned char * code, sal_PtrDiff writetoexecdiff, typelib_InterfaceTypeDescription const * type, sal_Int32 functionOffset, sal_Int32 functionCount, sal_Int32 vtableOffset) { (*in_slots) -= functionCount; Slot * slots = *in_slots; #if OSL_DEBUG_LEVEL > 2 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: *slots++ = codeSnippet( code, writetoexecdiff, functionOffset++, vtableOffset, ia64::return_in_hidden_param( reinterpret_cast< typelib_InterfaceAttributeTypeDescription * >( member)->pAttributeTypeRef)); code += codeSnippetSize; // Setter: if (!reinterpret_cast< typelib_InterfaceAttributeTypeDescription * >( member)->bReadOnly) { *slots++ = codeSnippet(code, writetoexecdiff, functionOffset++, vtableOffset, false); code += codeSnippetSize; } break; case typelib_TypeClass_INTERFACE_METHOD: *slots++ = codeSnippet( code, writetoexecdiff, functionOffset++, vtableOffset, ia64::return_in_hidden_param( reinterpret_cast< typelib_InterfaceMethodTypeDescription * >( member)->pReturnTypeRef)); code += codeSnippetSize; break; default: OSL_ASSERT(false); break; } TYPELIB_DANGER_RELEASE(member); } return code; } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */