From ed5640d8b587fbcfed7dd7967f3de04b37a76f26 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 11:06:44 +0200 Subject: Adding upstream version 4:7.4.7. Signed-off-by: Daniel Baumann --- .../source/cpp_uno/gcc3_linux_powerpc/cpp2uno.cxx | 785 +++++++++++++++++++++ 1 file changed, 785 insertions(+) create mode 100644 bridges/source/cpp_uno/gcc3_linux_powerpc/cpp2uno.cxx (limited to 'bridges/source/cpp_uno/gcc3_linux_powerpc/cpp2uno.cxx') diff --git a/bridges/source/cpp_uno/gcc3_linux_powerpc/cpp2uno.cxx b/bridges/source/cpp_uno/gcc3_linux_powerpc/cpp2uno.cxx new file mode 100644 index 000000000..521dccd6d --- /dev/null +++ b/bridges/source/cpp_uno/gcc3_linux_powerpc/cpp2uno.cxx @@ -0,0 +1,785 @@ +/* -*- 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 +#include + +#include "bridge.hxx" +#include "cppinterfaceproxy.hxx" +#include "types.hxx" +#include "vtablefactory.hxx" + +#include "share.hxx" + + +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 +#ifndef __NO_FPRS__ + int nf = 0; //number of fpr registers used +#endif + 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 + static_assert(sizeof(void *) == sizeof(sal_Int32), "### 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; + + 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: +#ifndef __NO_FPRS__ + if (nf < 8) { + pCppArgs[nPos] = fpreg; + pUnoArgs[nPos] = fpreg; + nf++; + fpreg += 2; +#else + if (ng & 1) { + ng++; + gpreg++; + } + if (ng < 8) { + pCppArgs[nPos] = gpreg; + pUnoArgs[nPos] = gpreg; + ng += 2; + gpreg += 2; +#endif + } else { + if (((long)ovrflw) & 4) ovrflw++; + 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 +#ifndef __NO_FPRS__ + if (nf < 8) { + float tmp = (float) (*((double *)fpreg)); + (*((float *) fpreg)) = tmp; + pCppArgs[nPos] = fpreg; + pUnoArgs[nPos] = fpreg; + nf++; + fpreg += 2; +#else + if (ng < 8) { + pCppArgs[nPos] = gpreg; + pUnoArgs[nPos] = gpreg; + ng++; + gpreg++; +#endif + } else { +#if 0 /* abi is not being followed correctly */ + if (((long)ovrflw) & 4) ovrflw++; + float tmp = (float) (*((double *)ovrflw)); + (*((float *) ovrflw)) = tmp; + pCppArgs[nPos] = ovrflw; + pUnoArgs[nPos] = ovrflw; + ovrflw += 2; +#else + pCppArgs[nPos] = ovrflw; + pUnoArgs[nPos] = ovrflw; + ovrflw += 1; +#endif + } + break; + + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + if (ng & 1) { + ng++; + gpreg++; + } + if (ng < 8) { + pCppArgs[nPos] = gpreg; + pUnoArgs[nPos] = gpreg; + ng += 2; + gpreg += 2; + } else { + if (((long)ovrflw) & 4) ovrflw++; + pCppArgs[nPos] = ovrflw; + pUnoArgs[nPos] = ovrflw; + ovrflw += 2; + } + break; + + case typelib_TypeClass_BYTE: + case typelib_TypeClass_BOOLEAN: + if (ng < 8) { + 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 < 8) { + 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 < 8) { + 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 < 8) { + 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 ); + 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 ), + *(void **)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] = *(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 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 = (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, + void ** gpreg, void ** fpreg, void ** ovrflw, + sal_Int64 * pRegisterReturn /* space for register return */ ) +{ + static_assert(sizeof(sal_Int32)==sizeof(void *), "### unexpected!"); + + // 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]; + } + 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(); + + if (nFunctionIndex >= pTypeDescr->nMapFunctionIndexToMemberIndex) + { + SAL_WARN( + "bridges", + "illegal " << OUString::unacquired(&pTypeDescr->aBase.pTypeName) + << " vtable index " << nFunctionIndex << "/" + << pTypeDescr->nMapFunctionIndexToMemberIndex); + throw RuntimeException( + ("illegal " + OUString::unacquired(&pTypeDescr->aBase.pTypeName) + + " vtable index " + OUString::number(nFunctionIndex) + "/" + + OUString::number(pTypeDescr->nMapFunctionIndexToMemberIndex)), + (XInterface *)pThis); + } + + // determine called method + sal_Int32 nMemberPos = pTypeDescr->pMapFunctionIndexToMemberIndex[nFunctionIndex]; + assert(nMemberPos < pTypeDescr->nAllMembers); + + 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( "no member description found!", (XInterface *)pThis ); + } + } + + return eRet; +} + +/** + * is called on incoming vtable calls + * (called by asm snippets) + */ +static void cpp_vtable_call( int nFunctionIndex, int nVtableOffset, void** gpregptr, void** fpregptr, void** ovrflw) +{ + sal_Int32 gpreg[8]; + memcpy( gpreg, gpregptr, 32); + +#ifndef __NO_FPRS__ + double fpreg[8]; + memcpy( fpreg, fpregptr, 64); +#endif + + volatile long nRegReturn[2]; + + // fprintf(stderr,"in cpp_vtable_call nFunctionIndex is %x\n",nFunctionIndex); + // fprintf(stderr,"in cpp_vtable_call nVtableOffset is %x\n",nVtableOffset); + // fflush(stderr); + + typelib_TypeClass aType = + cpp_mediate( nFunctionIndex, nVtableOffset, (void**)gpreg, +#ifndef __NO_FPRS__ + (void**)fpreg, +#else + NULL, +#endif + ovrflw, (sal_Int64*)nRegReturn ); + + switch( aType ) + { + + // move return value into register space + // (will be loaded by machine code snippet) + + 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_SHORT: + case typelib_TypeClass_UNSIGNED_SHORT: + __asm__( "lhz 3,%0\n\t" : : + "m"(nRegReturn[0]) ); + break; + + case typelib_TypeClass_FLOAT: +#ifndef __NO_FPRS__ + __asm__( "lfs 1,%0\n\t" : : + "m" (*((float*)nRegReturn)) ); + #else + __asm__( "lwz 3,%0\n\t" : : + "m"(nRegReturn[0]) ); +#endif + break; + + case typelib_TypeClass_DOUBLE: +#ifndef __NO_FPRS__ + __asm__( "lfd 1,%0\n\t" : : + "m" (*((double*)nRegReturn)) ); +#else + __asm__( "lwz 3,%0\n\t" : : + "m"(nRegReturn[0]) ); + __asm__( "lwz 4,%0\n\t" : : + "m"(nRegReturn[1]) ); +#endif + break; + + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + __asm__( "lwz 4,%0\n\t" : : + "m"(nRegReturn[1]) ); // fall through + + default: + __asm__( "lwz 3,%0\n\t" : : + "m"(nRegReturn[0]) ); + break; + } +} + + +int const codeSnippetSize = 108; + +unsigned char * codeSnippet( unsigned char * code, sal_Int32 functionIndex, sal_Int32 vtableOffset, + bool simpleRetType) +{ + + // fprintf(stderr,"in codeSnippet functionIndex is %x\n", functionIndex); + // fprintf(stderr,"in codeSnippet vtableOffset is %x\n", vtableOffset); + // fflush(stderr); + + if (! simpleRetType ) + functionIndex |= 0x80000000; + + unsigned long * p = (unsigned long *) code; + + // static_assert( sizeof (long) == 4 ); + assert((((unsigned long)code) & 0x3) == 0 ); //aligned to 4 otherwise a mistake + + /* generate this code */ + // # so first save gpr 3 to gpr 10 (aligned to 4) + // stw r3,-2048(r1) + // stw r4,-2044(r1) + // stw r5,-2040(r1) + // stw r6,-2036(r1) + // stw r7,-2032(r1) + // stw r8,-2028(r1) + // stw r9,-2024(r1) + // stw r10,-2020(r1) + + + // # next save fpr 1 to fpr 8 (aligned to 8) + // if dedicated floating point registers are used + // stfd f1,-2016(r1) + // stfd f2,-2008(r1) + // stfd f3,-2000(r1) + // stfd f4,-1992(r1) + // stfd f5,-1984(r1) + // stfd f6,-1976(r1) + // stfd f7,-1968(r1) + // stfd f8,-1960(r1) + + // # now here is where cpp_vtable_call must go + // lis r3,-8531 + // ori r3,r3,48879 + // mtctr r3 + + // # now load up the functionIndex + // lis r3,-8531 + // ori r3,r3,48879 + + // # now load up the vtableOffset + // lis r4,-8531 + // ori r4,r4,48879 + + // #now load up the pointer to the saved gpr registers + // addi r5,r1,-2048 + + // #now load up the pointer to the saved fpr registers + // addi r6,r1,-2016 + // if no dedicated floating point registers are used then we have NULL + // pointer there + // li r6, 0 + + // #now load up the pointer to the overflow call stack + // addi r7,r1,8 + // bctr + + * p++ = 0x9061f800; + * p++ = 0x9081f804; + * p++ = 0x90a1f808; + * p++ = 0x90c1f80c; + * p++ = 0x90e1f810; + * p++ = 0x9101f814; + * p++ = 0x9121f818; + * p++ = 0x9141f81c; +#ifndef __NO_FPRS__ + * p++ = 0xd821f820; + * p++ = 0xd841f828; + * p++ = 0xd861f830; + * p++ = 0xd881f838; + * p++ = 0xd8a1f840; + * p++ = 0xd8c1f848; + * p++ = 0xd8e1f850; + * p++ = 0xd901f858; +#else + /* these nops could be replaced with a smaller codeSnippetSize - 8 * 4 */ + * p++ = 0x60000000; + * p++ = 0x60000000; + * p++ = 0x60000000; + * p++ = 0x60000000; + * p++ = 0x60000000; + * p++ = 0x60000000; + * p++ = 0x60000000; + * p++ = 0x60000000; +#endif + * p++ = 0x3c600000 | (((unsigned long)cpp_vtable_call) >> 16); + * p++ = 0x60630000 | (((unsigned long)cpp_vtable_call) & 0x0000FFFF); + * p++ = 0x7c6903a6; + * p++ = 0x3c600000 | (((unsigned long)functionIndex) >> 16); + * p++ = 0x60630000 | (((unsigned long)functionIndex) & 0x0000FFFF); + * p++ = 0x3c800000 | (((unsigned long)vtableOffset) >> 16); + * p++ = 0x60840000 | (((unsigned long)vtableOffset) & 0x0000FFFF); + * p++ = 0x38a1f800; +#ifndef __NO_FPRS__ + * p++ = 0x38c1f820; +#else + * p++ = 0x38c00000; +#endif + * p++ = 0x38e10008; + * p++ = 0x4e800420; + 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; +} + +std::size_t 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, sal_Int32, + typelib_InterfaceTypeDescription *) +{ + 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; + // fprintf(stderr, "in addLocalFunctions functionOffset is %x\n",functionOffset); + // fprintf(stderr, "in addLocalFunctions vtableOffset is %x\n",vtableOffset); + // fflush(stderr); + + for (sal_Int32 i = 0; i < type->nMembers; ++i) { + typelib_TypeDescription * member = 0; + TYPELIB_DANGER_GET(&member, type->ppMembers[i]); + 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: + assert(false); + break; + } + TYPELIB_DANGER_RELEASE(member); + } + return code; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ -- cgit v1.2.3