711 lines
24 KiB
C++
711 lines
24 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <com/sun/star/uno/genfunc.hxx>
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#include <sal/log.hxx>
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#include <typelib/typedescription.hxx>
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#include <uno/data.h>
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#include <osl/endian.h>
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#include "bridge.hxx"
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#include "cppinterfaceproxy.hxx"
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#include "types.hxx"
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#include "vtablefactory.hxx"
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#include "call.hxx"
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#include "share.hxx"
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#include <stdio.h>
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#include <string.h>
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#include <typeinfo>
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using namespace com::sun::star::uno;
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//#define BRDEBUG
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#ifdef BRDEBUG
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#include <rtl/strbuf.hxx>
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#include <rtl/ustrbuf.hxx>
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using namespace ::std;
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using namespace ::osl;
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using namespace ::rtl;
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#endif
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#ifndef ANDROID
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#include <sys/sysmips.h>
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#endif
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#ifdef ANDROID
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#include <unistd.h>
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#endif
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namespace CPPU_CURRENT_NAMESPACE
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{
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bool is_complex_struct(const typelib_TypeDescription * type)
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{
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const typelib_CompoundTypeDescription * p
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= reinterpret_cast< const typelib_CompoundTypeDescription * >(type);
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for (sal_Int32 i = 0; i < p->nMembers; ++i)
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{
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if (p->ppTypeRefs[i]->eTypeClass == typelib_TypeClass_STRUCT ||
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p->ppTypeRefs[i]->eTypeClass == typelib_TypeClass_EXCEPTION)
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{
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typelib_TypeDescription * t = 0;
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TYPELIB_DANGER_GET(&t, p->ppTypeRefs[i]);
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bool b = is_complex_struct(t);
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TYPELIB_DANGER_RELEASE(t);
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if (b) {
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return true;
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}
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}
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else if (!bridges::cpp_uno::shared::isSimpleType(p->ppTypeRefs[i]->eTypeClass))
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return true;
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}
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if (p->pBaseTypeDescription != 0)
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return is_complex_struct(&p->pBaseTypeDescription->aBase);
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return false;
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}
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bool return_in_hidden_param( typelib_TypeDescriptionReference *pTypeRef )
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{
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if (bridges::cpp_uno::shared::isSimpleType(pTypeRef))
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return false;
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else if (pTypeRef->eTypeClass == typelib_TypeClass_STRUCT ||
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pTypeRef->eTypeClass == typelib_TypeClass_EXCEPTION)
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{
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typelib_TypeDescription * pTypeDescr = 0;
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TYPELIB_DANGER_GET( &pTypeDescr, pTypeRef );
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//A Composite Type not larger than 16 bytes is returned in up to two GPRs
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bool bRet = pTypeDescr->nSize > 16 || is_complex_struct(pTypeDescr);
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TYPELIB_DANGER_RELEASE( pTypeDescr );
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return bRet;
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}
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return true;
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}
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}
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namespace
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{
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static typelib_TypeClass cpp2uno_call(
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bridges::cpp_uno::shared::CppInterfaceProxy * pThis,
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const typelib_TypeDescription * pMemberTypeDescr,
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typelib_TypeDescriptionReference * pReturnTypeRef, // 0 indicates void return
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sal_Int32 nParams, typelib_MethodParameter * pParams,
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void ** gpreg, void ** fpreg, void ** ovrflw,
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sal_uInt64 * pRegisterReturn /* space for register return */ )
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{
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/* Most MIPS ABIs view the arguments as a struct, of which the
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first N words go in registers and the rest go on the stack. If I < N, the
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With word might go in With integer argument register or the With
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floating-point one. For these ABIs, we only need to remember the number
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of words passed so far. We are interested only in n64 ABI,so it is the
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case.
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*/
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unsigned int nREG = 0;
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#ifdef BRDEBUG
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fprintf(stderr, "cpp2uno_call:begin\n");
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#endif
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// return
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typelib_TypeDescription * pReturnTypeDescr = 0;
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if (pReturnTypeRef)
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TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
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void * pUnoReturn = 0;
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void * pCppReturn = 0; // complex return ptr: if != 0 && != pUnoReturn, reconversion need
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if (pReturnTypeDescr)
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{
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if (CPPU_CURRENT_NAMESPACE::return_in_hidden_param( pReturnTypeRef ) )
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{
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pCppReturn = gpreg[nREG]; // complex return via ptr (pCppReturn)
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nREG++;
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pUnoReturn = ( bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr )
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? alloca( pReturnTypeDescr->nSize )
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: pCppReturn); // direct way
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#ifdef BRDEBUG
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fprintf(stderr, "cpp2uno_call:complexreturn\n");
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#endif
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}
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else
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{
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pUnoReturn = pRegisterReturn; // direct way for simple types
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#ifdef BRDEBUG
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fprintf(stderr, "cpp2uno_call:simplereturn\n");
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#endif
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}
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}
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// pop this
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nREG++;
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// stack space
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static_assert(sizeof(void *) == sizeof(sal_Int64), "### unexpected size!");
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// parameters
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void ** pUnoArgs = (void **)alloca( 4 * sizeof(void *) * nParams );
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void ** pCppArgs = pUnoArgs + nParams;
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// indices of values this have to be converted (interface conversion cpp<=>uno)
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sal_Int32 * pTempIndices = (sal_Int32 *)(pUnoArgs + (2 * nParams));
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// type descriptions for reconversions
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typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pUnoArgs + (3 * nParams));
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sal_Int32 nTempIndices = 0;
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#ifdef BRDEBUG
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fprintf(stderr, "cpp2uno_call:nParams=%d\n", nParams);
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#endif
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for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
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{
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const typelib_MethodParameter & rParam = pParams[nPos];
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typelib_TypeDescription * pParamTypeDescr = 0;
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TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
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if (!rParam.bOut && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr )) // value
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{
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#ifdef BRDEBUG
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fprintf(stderr, "cpp2uno_call:Param %u, type %u\n", nPos, pParamTypeDescr->eTypeClass);
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#endif
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switch (pParamTypeDescr->eTypeClass)
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{
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case typelib_TypeClass_FLOAT:
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case typelib_TypeClass_DOUBLE:
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if (nREG < MAX_FP_REGS) {
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#ifdef BRDEBUG
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fprintf(stderr, "cpp2uno_call:fpr=%p\n", fpreg[nREG]);
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#endif
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pCppArgs[nPos] = &(fpreg[nREG]);
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pUnoArgs[nPos] = &(fpreg[nREG]);
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} else {
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#ifdef BRDEBUG
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fprintf(stderr, "cpp2uno_call:fpr=%p\n", ovrflw[nREG - MAX_FP_REGS]);
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#endif
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pCppArgs[nPos] = &(ovrflw[nREG - MAX_FP_REGS]);
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pUnoArgs[nPos] = &(ovrflw[nREG - MAX_FP_REGS]);
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}
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nREG++;
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break;
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default:
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if (nREG < MAX_GP_REGS) {
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#ifdef BRDEBUG
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fprintf(stderr, "cpp2uno_call:gpr=%p\n", gpreg[nREG]);
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#endif
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pCppArgs[nPos] = &(gpreg[nREG]);
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pUnoArgs[nPos] = &(gpreg[nREG]);
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} else {
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#ifdef BRDEBUG
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fprintf(stderr, "cpp2uno_call:gpr=%p\n", ovrflw[nREG - MAX_GP_REGS]);
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#endif
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pCppArgs[nPos] = &(ovrflw[nREG - MAX_GP_REGS]);
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pUnoArgs[nPos] = &(ovrflw[nREG - MAX_GP_REGS]);
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}
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nREG++;
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break;
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}
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// no longer needed
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TYPELIB_DANGER_RELEASE( pParamTypeDescr );
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}
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else // ptr to complex value | ref
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{
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#ifdef BRDEBUG
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fprintf(stderr,"cpp2uno_call:ptr|ref\n");
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#endif
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void *pCppStack;
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if (nREG < MAX_GP_REGS) {
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pCppArgs[nPos] = pCppStack = gpreg[nREG];
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} else {
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pCppArgs[nPos] = pCppStack = ovrflw[nREG - MAX_GP_REGS];
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}
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nREG++;
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#ifdef BRDEBUG
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fprintf(stderr, "cpp2uno_call:pCppStack=%p\n", pCppStack);
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#endif
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if (! rParam.bIn) // is pure out
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{
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// uno out is unconstructed mem!
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pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize );
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pTempIndices[nTempIndices] = nPos;
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// will be released at reconversion
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ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr;
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}
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// is in/inout
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else if (bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr ))
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{
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uno_copyAndConvertData( pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize ),
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pCppStack, pParamTypeDescr,
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pThis->getBridge()->getCpp2Uno() );
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pTempIndices[nTempIndices] = nPos; // has to be reconverted
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// will be released at reconversion
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ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr;
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#ifdef BRDEBUG
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fprintf(stderr, "cpp2uno_call:related to interface,%p,%d,pUnoargs[%d]=%p\n",
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pCppStack, pParamTypeDescr->nSize, nPos, pUnoArgs[nPos]);
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#endif
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}
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else // direct way
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{
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pUnoArgs[nPos] = pCppStack;
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#ifdef BRDEBUG
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fprintf(stderr, "cpp2uno_call:direct,pUnoArgs[%d]=%p\n", nPos, pUnoArgs[nPos]);
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#endif
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// no longer needed
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TYPELIB_DANGER_RELEASE( pParamTypeDescr );
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}
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}
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}
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#ifdef BRDEBUG
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fprintf(stderr, "cpp2uno_call2,%p,unoargs=%p\n", pThis->getUnoI()->pDispatcher, pUnoArgs);
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#endif
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// ExceptionHolder
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uno_Any aUnoExc; // Any will be constructed by callee
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uno_Any * pUnoExc = &aUnoExc;
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// invoke uno dispatch call
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(*pThis->getUnoI()->pDispatcher)( pThis->getUnoI(), pMemberTypeDescr, pUnoReturn, pUnoArgs, &pUnoExc );
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#ifdef BRDEBUG
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fprintf(stderr, "cpp2uno_call2,after dispatch\n");
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#endif
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// in case an exception occurred...
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if (pUnoExc)
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{
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// destruct temporary in/inout params
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for ( ; nTempIndices--; )
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{
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sal_Int32 nIndex = pTempIndices[nTempIndices];
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if (pParams[nIndex].bIn) // is in/inout => was constructed
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uno_destructData( pUnoArgs[nIndex], ppTempParamTypeDescr[nTempIndices], 0 );
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TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndices] );
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}
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if (pReturnTypeDescr)
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TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
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CPPU_CURRENT_NAMESPACE::raiseException( &aUnoExc, pThis->getBridge()->getUno2Cpp() );
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// has to destruct the any
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// is here for dummy
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return typelib_TypeClass_VOID;
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}
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else // else no exception occurred...
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{
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// temporary params
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for ( ; nTempIndices--; )
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{
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sal_Int32 nIndex = pTempIndices[nTempIndices];
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typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndices];
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if (pParams[nIndex].bOut) // inout/out
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{
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// convert and assign
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uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release );
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uno_copyAndConvertData( pCppArgs[nIndex], pUnoArgs[nIndex], pParamTypeDescr,
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pThis->getBridge()->getUno2Cpp() );
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}
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// destroy temp uno param
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uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 );
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TYPELIB_DANGER_RELEASE( pParamTypeDescr );
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}
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// return
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if (pCppReturn) // has complex return
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{
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if (pUnoReturn != pCppReturn) // needs reconversion
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{
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uno_copyAndConvertData( pCppReturn, pUnoReturn, pReturnTypeDescr,
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pThis->getBridge()->getUno2Cpp() );
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// destroy temp uno return
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uno_destructData( pUnoReturn, pReturnTypeDescr, 0 );
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}
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// complex return ptr is set to return reg
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*(void **)pRegisterReturn = pCppReturn;
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}
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if (pReturnTypeDescr)
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{
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typelib_TypeClass eRet = (typelib_TypeClass)pReturnTypeDescr->eTypeClass;
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TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
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return eRet;
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}
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else
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return typelib_TypeClass_VOID;
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}
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}
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/**
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* is called on incoming vtable calls
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* (called by asm snippets)
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*/
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typelib_TypeClass cpp_vtable_call(
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sal_Int32 nFunctionIndex,
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sal_Int32 nVtableOffset,
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void ** gpreg, void ** fpreg, void ** ovrflw,
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sal_uInt64 * pRegisterReturn /* space for register return */ )
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{
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static_assert( sizeof(sal_Int64)==sizeof(void *), "### unexpected!" );
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#ifdef BRDEBUG
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fprintf(stderr, "in cpp_vtable_call nFunctionIndex is %d\n", nFunctionIndex);
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fprintf(stderr, "in cpp_vtable_call nVtableOffset is %d\n", nVtableOffset);
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fprintf(stderr, "in cpp_vtable_call gp=%p, fp=%p, ov=%p\n", gpreg, fpreg, ovrflw);
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#endif
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// gpreg: [ret *], this, [other gpr params]
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// fpreg: [fpr params]
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// ovrflw: [gpr or fpr params (properly aligned)]
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void * pThis;
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if (nFunctionIndex & 0x80000000 )
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{
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nFunctionIndex &= 0x7fffffff;
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pThis = gpreg[1];
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}
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else
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{
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pThis = gpreg[0];
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}
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#ifdef BRDEBUG
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fprintf(stderr, "cpp_vtable_call, pThis=%p, nFunctionIndex=%d, nVtableOffset=%d\n",
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pThis, nFunctionIndex, nVtableOffset);
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#endif
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pThis = static_cast< char * >(pThis) - nVtableOffset;
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bridges::cpp_uno::shared::CppInterfaceProxy * pCppI =
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bridges::cpp_uno::shared::CppInterfaceProxy::castInterfaceToProxy( pThis );
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#ifdef BRDEBUG
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fprintf(stderr, "cpp_vtable_call, pCppI=%p\n", pCppI);
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#endif
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typelib_InterfaceTypeDescription * pTypeDescr = pCppI->getTypeDescr();
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if (nFunctionIndex >= pTypeDescr->nMapFunctionIndexToMemberIndex)
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{
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SAL_WARN(
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"bridges",
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"illegal " << OUString::unacquired(&pTypeDescr->aBase.pTypeName)
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<< " vtable index " << nFunctionIndex << "/"
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<< pTypeDescr->nMapFunctionIndexToMemberIndex);
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throw RuntimeException(
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("illegal " + OUString::unacquired(&pTypeDescr->aBase.pTypeName)
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+ " vtable index " + OUString::number(nFunctionIndex) + "/"
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+ OUString::number(pTypeDescr->nMapFunctionIndexToMemberIndex)),
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(XInterface *)pThis);
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}
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// determine called method
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sal_Int32 nMemberPos = pTypeDescr->pMapFunctionIndexToMemberIndex[nFunctionIndex];
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assert(nMemberPos < pTypeDescr->nAllMembers);
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TypeDescription aMemberDescr( pTypeDescr->ppAllMembers[nMemberPos] );
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#ifdef BRDEBUG
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OString cstr( OUStringToOString( aMemberDescr.get()->pTypeName, RTL_TEXTENCODING_ASCII_US ) );
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fprintf(stderr, "calling %s, nFunctionIndex=%d\n", cstr.getStr(), nFunctionIndex );
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#endif
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typelib_TypeClass eRet;
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switch (aMemberDescr.get()->eTypeClass)
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{
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case typelib_TypeClass_INTERFACE_ATTRIBUTE:
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{
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#ifdef BRDEBUG
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fprintf(stderr, "cpp_vtable_call interface attribute\n");
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#endif
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typelib_TypeDescriptionReference *pAttrTypeRef =
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reinterpret_cast<typelib_InterfaceAttributeTypeDescription *>( aMemberDescr.get() )->pAttributeTypeRef;
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if (pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos] == nFunctionIndex)
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{
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// is GET method
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eRet = cpp2uno_call( pCppI, aMemberDescr.get(), pAttrTypeRef,
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0, 0, // no params
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gpreg, fpreg, ovrflw, pRegisterReturn );
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}
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else
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{
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// is SET method
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typelib_MethodParameter aParam;
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aParam.pTypeRef = pAttrTypeRef;
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aParam.bIn = sal_True;
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aParam.bOut = sal_False;
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eRet = cpp2uno_call( pCppI, aMemberDescr.get(),
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0, // indicates void return
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1, &aParam,
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gpreg, fpreg, ovrflw, pRegisterReturn );
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}
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break;
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}
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case typelib_TypeClass_INTERFACE_METHOD:
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{
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#ifdef BRDEBUG
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fprintf(stderr, "cpp_vtable_call interface method\n");
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#endif
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// is METHOD
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switch (nFunctionIndex)
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{
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case 1: // acquire()
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#ifdef BRDEBUG
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fprintf(stderr, "cpp_vtable_call method acquire\n");
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#endif
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pCppI->acquireProxy(); // non virtual call!
|
|
eRet = typelib_TypeClass_VOID;
|
|
break;
|
|
case 2: // release()
|
|
#ifdef BRDEBUG
|
|
fprintf(stderr, "cpp_vtable_call method release\n");
|
|
#endif
|
|
pCppI->releaseProxy(); // non virtual call!
|
|
eRet = typelib_TypeClass_VOID;
|
|
break;
|
|
case 0: // queryInterface() opt
|
|
{
|
|
#ifdef BRDEBUG
|
|
fprintf(stderr, "cpp_vtable_call method query interface opt\n");
|
|
#endif
|
|
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,
|
|
reinterpret_cast<typelib_InterfaceTypeDescription *>( pTD ) );
|
|
|
|
if (pInterface)
|
|
{
|
|
::uno_any_construct( reinterpret_cast< uno_Any * >( gpreg[0] ),
|
|
&pInterface, pTD, cpp_acquire );
|
|
|
|
pInterface->release();
|
|
TYPELIB_DANGER_RELEASE( pTD );
|
|
|
|
reinterpret_cast<void **>( pRegisterReturn )[0] = gpreg[0];
|
|
eRet = typelib_TypeClass_ANY;
|
|
break;
|
|
}
|
|
TYPELIB_DANGER_RELEASE( pTD );
|
|
}
|
|
} // else perform queryInterface()
|
|
default:
|
|
#ifdef BRDEBUG
|
|
fprintf(stderr, "cpp_vtable_call method query interface\n");
|
|
#endif
|
|
typelib_InterfaceMethodTypeDescription *pMethodTD =
|
|
reinterpret_cast<typelib_InterfaceMethodTypeDescription *>( aMemberDescr.get() );
|
|
|
|
eRet = cpp2uno_call( pCppI, aMemberDescr.get(),
|
|
pMethodTD->pReturnTypeRef,
|
|
pMethodTD->nParams,
|
|
pMethodTD->pParams,
|
|
gpreg, fpreg, ovrflw, pRegisterReturn );
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
#ifdef BRDEBUG
|
|
fprintf(stderr, "cpp_vtable_call no member\n");
|
|
#endif
|
|
throw RuntimeException( "no member description found!", (XInterface *)pThis );
|
|
}
|
|
}
|
|
|
|
return eRet;
|
|
}
|
|
|
|
extern "C" void privateSnippetExecutor( ... );
|
|
|
|
int const codeSnippetSize = 0x44;
|
|
|
|
unsigned char * codeSnippet( unsigned char * code,
|
|
sal_Int32 functionIndex, sal_Int32 vtableOffset,
|
|
bool bHasHiddenParam )
|
|
{
|
|
#ifdef BRDEBUG
|
|
fprintf(stderr,"in codeSnippet functionIndex is %d\n", functionIndex);
|
|
fprintf(stderr,"in codeSnippet vtableOffset is %d\n", vtableOffset);
|
|
fflush(stderr);
|
|
#endif
|
|
|
|
if ( bHasHiddenParam )
|
|
functionIndex |= 0x80000000;
|
|
|
|
unsigned int * p = (unsigned int *) code;
|
|
|
|
assert((((unsigned long)code) & 0x3) == 0 ); //aligned to 4 otherwise a mistake
|
|
|
|
/* generate this code */
|
|
/*
|
|
# index
|
|
0: 3c020000 lui v0,0x0
|
|
4: 34420000 ori v0,v0,0x0
|
|
# privateSnippetExecutor
|
|
8: 3c0c0000 lui t0,0x0
|
|
c: 358c0000 ori t0,t0,0x0
|
|
10: 000c6438 dsll t0,t0,0x10
|
|
14: 358c0000 ori t0,t0,0x0
|
|
18: 000c6438 dsll t0,t0,0x10
|
|
1c: 358c0000 ori t0,t0,0x0
|
|
# cpp_vtable_call
|
|
20: 3c190000 lui t9,0x0
|
|
24: 37390000 ori t9,t9,0x0
|
|
28: 0019cc38 dsll t9,t9,0x10
|
|
2c: 37390000 ori t9,t9,0x0
|
|
30: 0019cc38 dsll t9,t9,0x10
|
|
34: 37390000 ori t9,t9,0x0
|
|
# offset
|
|
38: 3c030000 lui v1,0x0
|
|
3c: 01800008 jr t0
|
|
40: 34630000 ori v1,v1,0x0
|
|
*/
|
|
|
|
* p++ = 0x3c020000 | ((functionIndex>>16) & 0x0000ffff);
|
|
* p++ = 0x34420000 | (functionIndex & 0x0000ffff);
|
|
* p++ = 0x3c0c0000 | ((((unsigned long)privateSnippetExecutor) >> 48) & 0x0000ffff);
|
|
* p++ = 0x358c0000 | ((((unsigned long)privateSnippetExecutor) >> 32) & 0x0000ffff);
|
|
* p++ = 0x000c6438;
|
|
* p++ = 0x358c0000 | ((((unsigned long)privateSnippetExecutor) >> 16) & 0x0000ffff);
|
|
* p++ = 0x000c6438;
|
|
* p++ = 0x358c0000 | (((unsigned long)privateSnippetExecutor) & 0x0000ffff);
|
|
* p++ = 0x3c190000 | ((((unsigned long)cpp_vtable_call) >> 48) & 0x0000ffff);
|
|
* p++ = 0x37390000 | ((((unsigned long)cpp_vtable_call) >> 32) & 0x0000ffff);
|
|
* p++ = 0x0019cc38;
|
|
* p++ = 0x37390000 | ((((unsigned long)cpp_vtable_call) >> 16) & 0x0000ffff);
|
|
* p++ = 0x0019cc38;
|
|
* p++ = 0x37390000 | (((unsigned long)cpp_vtable_call) & 0x0000ffff);
|
|
* p++ = 0x3c030000 | ((vtableOffset>>16) & 0x0000ffff);
|
|
* p++ = 0x01800008;
|
|
* p++ = 0x34630000 | (vtableOffset & 0x0000ffff);
|
|
return (code + codeSnippetSize);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
void bridges::cpp_uno::shared::VtableFactory::flushCode(unsigned char const *bptr, unsigned char const *eptr)
|
|
{
|
|
#ifndef ANDROID
|
|
(void) bptr;
|
|
(void) eptr;
|
|
sysmips(FLUSH_CACHE, 0, 0, 0);
|
|
#else
|
|
cacheflush((long) bptr, (long) eptr, 0);
|
|
#endif
|
|
}
|
|
|
|
struct bridges::cpp_uno::shared::VtableFactory::Slot { void const * 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;
|
|
}
|
|
|
|
namespace {
|
|
// Some dummy type whose RTTI is used in the synthesized proxy vtables to make uses of dynamic_cast
|
|
// on such proxy objects not crash:
|
|
struct ProxyRtti {};
|
|
}
|
|
|
|
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; //null
|
|
slots[-1].fn = &typeid(ProxyRtti);
|
|
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 BRDEBUG
|
|
fprintf(stderr, "in addLocalFunctions functionOffset is %d\n", functionOffset);
|
|
fprintf(stderr, "in addLocalFunctions vtableOffset is %d\n", vtableOffset);
|
|
fprintf(stderr, "nMembers=%d\n", type->nMembers);
|
|
fflush(stderr);
|
|
#endif
|
|
|
|
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,
|
|
CPPU_CURRENT_NAMESPACE::return_in_hidden_param(
|
|
reinterpret_cast<
|
|
typelib_InterfaceAttributeTypeDescription * >(
|
|
member)->pAttributeTypeRef));
|
|
|
|
// Setter:
|
|
if (!reinterpret_cast<
|
|
typelib_InterfaceAttributeTypeDescription * >(
|
|
member)->bReadOnly)
|
|
{
|
|
(s++)->fn = code + writetoexecdiff;
|
|
code = codeSnippet(code, functionOffset++, vtableOffset, false);
|
|
}
|
|
break;
|
|
|
|
case typelib_TypeClass_INTERFACE_METHOD:
|
|
(s++)->fn = code + writetoexecdiff;
|
|
code = codeSnippet(
|
|
code, functionOffset++, vtableOffset,
|
|
CPPU_CURRENT_NAMESPACE::return_in_hidden_param(
|
|
reinterpret_cast<
|
|
typelib_InterfaceMethodTypeDescription * >(
|
|
member)->pReturnTypeRef));
|
|
break;
|
|
|
|
default:
|
|
assert(false);
|
|
break;
|
|
}
|
|
TYPELIB_DANGER_RELEASE(member);
|
|
}
|
|
return code;
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|