755 lines
25 KiB
C++
755 lines
25 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 <uno/data.h>
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#include <typelib/typedescription.hxx>
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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 "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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#ifdef OSL_BIGENDIAN
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#define IS_BIG_ENDIAN 1
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#else
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#define IS_BIG_ENDIAN 0
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#endif
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using namespace ::com::sun::star::uno;
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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_Int64 * pRegisterReturn /* space for register return */ )
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{
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#if OSL_DEBUG_LEVEL > 2
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fprintf(stderr, "as far as cpp2uno_call\n");
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#endif
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int ng = 0; //number of gpr registers used
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int nf = 0; //number of fpr registers used
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// gpreg: [ret *], this, [gpr params]
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// fpreg: [fpr params]
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// ovrflw: [gpr or fpr params (properly aligned)]
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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 (!ppc64::return_in_hidden_param(pReturnTypeRef))
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{
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pUnoReturn = pRegisterReturn; // direct way for simple types
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}
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else // complex return via ptr (pCppReturn)
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{
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pCppReturn = *(void **)gpreg;
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gpreg++;
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ng++;
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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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}
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}
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// pop this
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gpreg++;
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ng++;
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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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bool bOverflowUsed = false;
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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 OSL_DEBUG_LEVEL > 2
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fprintf(stderr, "arg %d of %d\n", nPos, nParams);
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#endif
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if (!rParam.bOut && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr ))
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{
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#if OSL_DEBUG_LEVEL > 2
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fprintf(stderr, "simple\n");
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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 (nf < ppc64::MAX_SSE_REGS)
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{
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if (pParamTypeDescr->eTypeClass == typelib_TypeClass_FLOAT)
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{
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float tmp = (float) (*((double *)fpreg));
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(*((float *) fpreg)) = tmp;
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}
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pCppArgs[nPos] = pUnoArgs[nPos] = fpreg++;
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nf++;
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if (ng < ppc64::MAX_GPR_REGS)
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{
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ng++;
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gpreg++;
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}
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}
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else
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{
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pCppArgs[nPos] = pUnoArgs[nPos] = ovrflw;
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bOverflowUsed = true;
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}
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if (bOverflowUsed) ovrflw++;
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break;
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case typelib_TypeClass_BYTE:
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case typelib_TypeClass_BOOLEAN:
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if (ng < ppc64::MAX_GPR_REGS)
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{
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pCppArgs[nPos] = pUnoArgs[nPos] = (((char *)gpreg) + 7*IS_BIG_ENDIAN);
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ng++;
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gpreg++;
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}
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else
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{
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pCppArgs[nPos] = pUnoArgs[nPos] = (((char *)ovrflw) + 7*IS_BIG_ENDIAN);
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bOverflowUsed = true;
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}
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if (bOverflowUsed) ovrflw++;
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break;
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case typelib_TypeClass_CHAR:
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case typelib_TypeClass_SHORT:
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case typelib_TypeClass_UNSIGNED_SHORT:
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if (ng < ppc64::MAX_GPR_REGS)
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{
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pCppArgs[nPos] = pUnoArgs[nPos] = (((char *)gpreg) + 6*IS_BIG_ENDIAN);
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ng++;
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gpreg++;
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}
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else
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{
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pCppArgs[nPos] = pUnoArgs[nPos] = (((char *)ovrflw) + 6*IS_BIG_ENDIAN);
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bOverflowUsed = true;
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}
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if (bOverflowUsed) ovrflw++;
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break;
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case typelib_TypeClass_ENUM:
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case typelib_TypeClass_LONG:
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case typelib_TypeClass_UNSIGNED_LONG:
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if (ng < ppc64::MAX_GPR_REGS)
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{
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pCppArgs[nPos] = pUnoArgs[nPos] = (((char *)gpreg) + 4*IS_BIG_ENDIAN);
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ng++;
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gpreg++;
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}
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else
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{
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pCppArgs[nPos] = pUnoArgs[nPos] = (((char *)ovrflw) + 4*IS_BIG_ENDIAN);
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bOverflowUsed = true;
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}
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if (bOverflowUsed) ovrflw++;
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break;
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default:
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if (ng < ppc64::MAX_GPR_REGS)
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{
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pCppArgs[nPos] = pUnoArgs[nPos] = gpreg++;
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ng++;
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}
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else
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{
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pCppArgs[nPos] = pUnoArgs[nPos] = ovrflw;
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bOverflowUsed = true;
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}
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if (bOverflowUsed) ovrflw++;
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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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#if OSL_DEBUG_LEVEL > 2
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fprintf(stderr, "complex, ng is %d\n", ng);
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#endif
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void *pCppStack; //temporary stack pointer
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if (ng < ppc64::MAX_GPR_REGS)
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{
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pCppArgs[nPos] = pCppStack = *gpreg++;
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ng++;
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}
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else
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{
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pCppArgs[nPos] = pCppStack = *ovrflw;
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bOverflowUsed = true;
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}
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if (bOverflowUsed) ovrflw++;
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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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}
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else // direct way
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{
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pUnoArgs[nPos] = pCppStack;
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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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#if OSL_DEBUG_LEVEL > 2
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fprintf(stderr, "end of params\n");
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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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// 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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#if defined(_CALL_ELF) && _CALL_ELF == 2
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# define PARAMSAVE 32
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#else
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# define PARAMSAVE 48
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#endif
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static typelib_TypeClass cpp_mediate(
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sal_uInt64 nOffsetAndIndex,
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void ** gpreg, void ** fpreg, long sp,
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sal_Int64 * 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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sal_Int32 nVtableOffset = (nOffsetAndIndex >> 32);
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sal_Int32 nFunctionIndex = (nOffsetAndIndex & 0xFFFFFFFF);
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long sf = *(long*)sp;
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void ** ovrflw = (void**)(sf + PARAMSAVE + 64);
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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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#if OSL_DEBUG_LEVEL > 2
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fprintf(stderr, "pThis is gpreg[1]\n");
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#endif
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}
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else
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{
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pThis = gpreg[0];
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#if OSL_DEBUG_LEVEL > 2
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fprintf(stderr, "pThis is gpreg[0]\n");
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#endif
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}
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#if OSL_DEBUG_LEVEL > 2
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fprintf(stderr, "pThis is %lx\n", pThis);
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#endif
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pThis = static_cast< char * >(pThis) - nVtableOffset;
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#if OSL_DEBUG_LEVEL > 2
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fprintf(stderr, "pThis is now %lx\n", pThis);
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#endif
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bridges::cpp_uno::shared::CppInterfaceProxy * pCppI
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= bridges::cpp_uno::shared::CppInterfaceProxy::castInterfaceToProxy(
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pThis);
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typelib_InterfaceTypeDescription * pTypeDescr = pCppI->getTypeDescr();
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#if OSL_DEBUG_LEVEL > 2
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fprintf(stderr, "indexes are %d %d\n", nFunctionIndex, pTypeDescr->nMapFunctionIndexToMemberIndex);
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#endif
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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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#if OSL_DEBUG_LEVEL > 2
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fprintf(stderr, "members are %d %d\n", nMemberPos, pTypeDescr->nAllMembers);
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#endif
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TypeDescription aMemberDescr( pTypeDescr->ppAllMembers[nMemberPos] );
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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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if (pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos] == nFunctionIndex)
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{
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// is GET method
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eRet = cpp2uno_call(
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pCppI, aMemberDescr.get(),
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((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef,
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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 =
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((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef;
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aParam.bIn = sal_True;
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aParam.bOut = sal_False;
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eRet = cpp2uno_call(
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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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// is METHOD
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switch (nFunctionIndex)
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{
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case 1: // acquire()
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pCppI->acquireProxy(); // non virtual call!
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eRet = typelib_TypeClass_VOID;
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break;
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case 2: // release()
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pCppI->releaseProxy(); // non virtual call!
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eRet = typelib_TypeClass_VOID;
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break;
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case 0: // queryInterface() opt
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{
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typelib_TypeDescription * pTD = 0;
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TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( gpreg[2] )->getTypeLibType() );
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if (pTD)
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{
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XInterface * pInterface = 0;
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(*pCppI->getBridge()->getCppEnv()->getRegisteredInterface)(
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pCppI->getBridge()->getCppEnv(),
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(void **)&pInterface, pCppI->getOid().pData,
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(typelib_InterfaceTypeDescription *)pTD );
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if (pInterface)
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{
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::uno_any_construct(
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reinterpret_cast< uno_Any * >( gpreg[0] ),
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&pInterface, pTD, cpp_acquire );
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pInterface->release();
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TYPELIB_DANGER_RELEASE( pTD );
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*(void **)pRegisterReturn = gpreg[0];
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eRet = typelib_TypeClass_ANY;
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break;
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}
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TYPELIB_DANGER_RELEASE( pTD );
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}
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} // else perform queryInterface()
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default:
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eRet = cpp2uno_call(
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|
pCppI, aMemberDescr.get(),
|
|
((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pReturnTypeRef,
|
|
((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->nParams,
|
|
((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pParams,
|
|
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" void privateSnippetExecutor( ... )
|
|
{
|
|
sal_uInt64 gpreg[ppc64::MAX_GPR_REGS];
|
|
|
|
register long r3 asm("r3"); gpreg[0] = r3;
|
|
register long r4 asm("r4"); gpreg[1] = r4;
|
|
register long r5 asm("r5"); gpreg[2] = r5;
|
|
register long r6 asm("r6"); gpreg[3] = r6;
|
|
register long r7 asm("r7"); gpreg[4] = r7;
|
|
register long r8 asm("r8"); gpreg[5] = r8;
|
|
register long r9 asm("r9"); gpreg[6] = r9;
|
|
register long r10 asm("r10"); gpreg[7] = r10;
|
|
|
|
double fpreg[ppc64::MAX_SSE_REGS];
|
|
|
|
__asm__ __volatile__ (
|
|
"stfd 1, 0(%0)\t\n"
|
|
"stfd 2, 8(%0)\t\n"
|
|
"stfd 3, 16(%0)\t\n"
|
|
"stfd 4, 24(%0)\t\n"
|
|
"stfd 5, 32(%0)\t\n"
|
|
"stfd 6, 40(%0)\t\n"
|
|
"stfd 7, 48(%0)\t\n"
|
|
"stfd 8, 56(%0)\t\n"
|
|
"stfd 9, 64(%0)\t\n"
|
|
"stfd 10, 72(%0)\t\n"
|
|
"stfd 11, 80(%0)\t\n"
|
|
"stfd 12, 88(%0)\t\n"
|
|
"stfd 13, 96(%0)\t\n"
|
|
: : "r" (fpreg)
|
|
: "fr1", "fr2", "fr3", "fr4", "fr5", "fr6", "fr7", "fr8", "fr9",
|
|
"fr10", "fr11", "fr12", "fr13"
|
|
);
|
|
|
|
register long r11 asm("r11");
|
|
const long nOffsetAndIndex = r11;
|
|
|
|
register long r1 asm("r1");
|
|
const long sp = r1;
|
|
|
|
#if defined(_CALL_ELF) && _CALL_ELF == 2
|
|
volatile long nRegReturn[2];
|
|
#else
|
|
volatile long nRegReturn[1];
|
|
#endif
|
|
|
|
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]) );
|
|
#if defined(_CALL_ELF) && _CALL_ELF == 2
|
|
__asm__( "ld 4,%0\n\t"
|
|
: : "m" (nRegReturn[1]) );
|
|
#endif
|
|
break;
|
|
}
|
|
}
|
|
|
|
#if defined(_CALL_ELF) && _CALL_ELF == 2
|
|
const int codeSnippetSize = 32;
|
|
#else
|
|
const int codeSnippetSize = 24;
|
|
#endif
|
|
|
|
unsigned char * codeSnippet( unsigned char * code, sal_Int32 nFunctionIndex, sal_Int32 nVtableOffset,
|
|
bool bHasHiddenParam)
|
|
{
|
|
#if OSL_DEBUG_LEVEL > 2
|
|
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;
|
|
#if defined(_CALL_ELF) && _CALL_ELF == 2
|
|
unsigned int *raw = (unsigned int *)&code[0];
|
|
|
|
raw[0] = 0xe96c0018; /* 0: ld 11,2f-0b(12) */
|
|
raw[1] = 0xe98c0010; /* ld 12,1f-0b(12) */
|
|
raw[2] = 0x7d8903a6; /* mtctr 12 */
|
|
raw[3] = 0x4e800420; /* bctr */
|
|
/* 1: .quad function_addr */
|
|
/* 2: .quad context */
|
|
*(void **)&raw[4] = (void *)privateSnippetExecutor;
|
|
*(void **)&raw[6] = (void*)nOffsetAndIndex;
|
|
#else
|
|
void ** raw = (void **)&code[0];
|
|
memcpy(raw, (char*) privateSnippetExecutor, 16);
|
|
raw[2] = (void*) nOffsetAndIndex;
|
|
#endif
|
|
#if OSL_DEBUG_LEVEL > 2
|
|
fprintf(stderr, "in: offset/index is %x %x %d, %lx\n",
|
|
nFunctionIndex, nVtableOffset, bHasHiddenParam, 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 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;
|
|
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;
|
|
#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]);
|
|
assert(member != 0);
|
|
switch (member->eTypeClass) {
|
|
case typelib_TypeClass_INTERFACE_ATTRIBUTE:
|
|
// Getter:
|
|
(s++)->fn = code + writetoexecdiff;
|
|
code = codeSnippet(
|
|
code, functionOffset++, vtableOffset,
|
|
ppc64::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,
|
|
ppc64::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: */
|