b647996a9b
... except in include/rtl, include/sal, include/uno, where sal_Size is retained for compatibility, and where callers of rtl functions pass in pointers that are incompatible on MSVC. Change-Id: I8344453780689f5120ba0870e44965b6d292450c
652 lines
25 KiB
C++
652 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 "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 <string.h>
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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, double * fpreg, void ** ovrflw,
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sal_uInt64 * pRegisterReturn /* space for register return */ )
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{
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// gpreg: [ret *], this, [gpr params]
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// fpreg: [fpr params]
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// ovrflw: [remainder of params]
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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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sal_Int32 ng = 0;
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sal_Int32 nf = 0;
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ovrflw -= ppc::MAX_GPR_REGS;
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if (pReturnTypeDescr)
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{
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if (bridges::cpp_uno::shared::isSimpleType( pReturnTypeDescr ))
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pUnoReturn = pRegisterReturn; // direct way for simple types
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else // complex return via ptr (pCppReturn)
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{
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pCppReturn = *gpreg;
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++gpreg;
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++ng;
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++ovrflw;
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pUnoReturn = (bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr )
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? __builtin_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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++ovrflw;
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// stack space
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static_assert(sizeof(void *) == sizeof(sal_Int32), "### unexpected size!");
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// parameters
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void ** pUnoArgs = (void **)__builtin_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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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 ))
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// value
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{
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switch (pParamTypeDescr->eTypeClass)
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{
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case typelib_TypeClass_BOOLEAN:
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case typelib_TypeClass_BYTE:
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if (ng < ppc::MAX_GPR_REGS)
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{
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*ovrflw = *gpreg++;
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++ng;
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}
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pCppArgs[nPos] = pUnoArgs[nPos] = (((char *)ovrflw) + (sizeof(void*)-1));
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++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 < ppc::MAX_GPR_REGS)
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{
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*ovrflw = *gpreg++;
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++ng;
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}
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pCppArgs[nPos] = pUnoArgs[nPos] = (((char *)ovrflw) + (sizeof(void*)-2));
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++ovrflw;
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break;
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case typelib_TypeClass_HYPER:
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case typelib_TypeClass_UNSIGNED_HYPER:
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pCppArgs[nPos] = pUnoArgs[nPos] = ovrflw;
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for (int i = 0; i < 2; ++i)
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{
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if (ng < ppc::MAX_GPR_REGS)
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{
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*ovrflw = *gpreg++;
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++ng;
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}
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++ovrflw;
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}
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break;
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case typelib_TypeClass_DOUBLE:
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if (nf < ppc::MAX_SSE_REGS)
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{
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pCppArgs[nPos] = pUnoArgs[nPos] = fpreg;
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++fpreg;
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++nf;
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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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}
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if (ng < ppc::MAX_GPR_REGS)
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{
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ng+=2;
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gpreg+=2;
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}
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ovrflw+=2;
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break;
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case typelib_TypeClass_FLOAT:
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if (nf < ppc::MAX_SSE_REGS)
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{
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pCppArgs[nPos] = pUnoArgs[nPos] = fpreg;
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++fpreg;
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++nf;
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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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}
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if (ng < ppc::MAX_GPR_REGS)
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{
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++gpreg;
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++ng;
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}
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++ovrflw;
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break;
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default:
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if (ng < ppc::MAX_GPR_REGS)
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{
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*ovrflw = *gpreg++;
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++ng;
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}
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pCppArgs[nPos] = pUnoArgs[nPos] = ovrflw;
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++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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void *pCppStack; //temporary stack pointer
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if (ng < ppc::MAX_GPR_REGS)
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{
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*ovrflw = *gpreg++;
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++ng;
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}
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pCppArgs[nPos] = pCppStack = *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] = __builtin_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] = __builtin_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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// 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)(
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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(
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&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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static typelib_TypeClass cpp_mediate(
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sal_Int32 nFunctionIndex,
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sal_Int32 nVtableOffset,
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void ** gpreg, double * 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_Int32)==sizeof(void *), "### unexpected!");
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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 (in space allocated for all params properly aligned)]
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void * pThis;
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if( nFunctionIndex & 0x8000 )
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{
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nFunctionIndex &= 0x7fff;
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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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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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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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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, (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(),
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((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pReturnTypeRef,
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((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->nParams,
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((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pParams,
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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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default:
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{
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throw RuntimeException( "no member description found!", (XInterface *)pThis );
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}
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}
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return eRet;
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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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static sal_uInt64 cpp_vtable_call(sal_Int32 r3, sal_Int32 r4, sal_Int32 r5,
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sal_Int32 r6, sal_Int32 r7, sal_Int32 r8, sal_Int32 r9,
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sal_Int32 r10, sal_Int32 firstonstack)
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{
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volatile unsigned long nOffsetAndIndex;
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__asm__ __volatile__(
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"mr %0, 11\n\t"
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: "=r" (nOffsetAndIndex) : );
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sal_Int32 nVtableOffset = (nOffsetAndIndex >> 16);
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sal_Int32 nFunctionIndex = (nOffsetAndIndex & 0xFFFF);
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void ** ovrflw = (void**)&firstonstack;
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sal_Int32 gpreg[ppc::MAX_GPR_REGS];
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gpreg[0] = r3;
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gpreg[1] = r4;
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gpreg[2] = r5;
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gpreg[3] = r6;
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gpreg[4] = r7;
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gpreg[5] = r8;
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gpreg[6] = r9;
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gpreg[7] = r10;
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double fpreg[ppc::MAX_SSE_REGS];
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register double d0 asm("fr1"); fpreg[0] = d0;
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register double d1 asm("fr2"); fpreg[1] = d1;
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register double d2 asm("fr3"); fpreg[2] = d2;
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register double d3 asm("fr4"); fpreg[3] = d3;
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register double d4 asm("fr5"); fpreg[4] = d4;
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register double d5 asm("fr6"); fpreg[5] = d5;
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register double d6 asm("fr7"); fpreg[6] = d6;
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register double d7 asm("fr8"); fpreg[7] = d7;
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register double d8 asm("fr9"); fpreg[8] = d8;
|
|
register double d9 asm("fr10"); fpreg[9] = d9;
|
|
register double d10 asm("fr11"); fpreg[10] = d10;
|
|
register double d11 asm("fr12"); fpreg[11] = d11;
|
|
register double d12 asm("fr13"); fpreg[12] = d12;
|
|
|
|
#if OSL_DEBUG_LEVEL > 2
|
|
for(int i = 0; i < 8; ++i)
|
|
{
|
|
fprintf(stderr, "general reg %d is %x\n", i, gpreg[i]);
|
|
}
|
|
for(int i = 0; i < 13; ++i)
|
|
{
|
|
fprintf(stderr, "sse reg %d is %f\n", i, fpreg[i]);
|
|
fprintf(stderr, "sse reg %d is %llx\n", i, fpreg[i]);
|
|
}
|
|
for(int i = -8; i < 8; ++i)
|
|
{
|
|
fprintf(stderr, "overflow arg %d is %x\n", i, ovrflw[i]);
|
|
}
|
|
#endif
|
|
sal_uInt64 nRegReturn=0;
|
|
|
|
typelib_TypeClass aType =
|
|
cpp_mediate( nFunctionIndex, nVtableOffset, (void**)gpreg, fpreg, ovrflw, &nRegReturn );
|
|
|
|
sal_uInt32 *pRegReturn = (sal_uInt32*)&nRegReturn;
|
|
switch( aType )
|
|
{
|
|
case typelib_TypeClass_BOOLEAN:
|
|
pRegReturn[0] = (sal_uInt32)(*(char *)pRegReturn);
|
|
break;
|
|
case typelib_TypeClass_BYTE:
|
|
pRegReturn[0] = (sal_Int32)(*(unsigned char *)pRegReturn);
|
|
break;
|
|
case typelib_TypeClass_SHORT:
|
|
pRegReturn[0] = (sal_Int32)(*(short *)pRegReturn);
|
|
break;
|
|
case typelib_TypeClass_CHAR:
|
|
case typelib_TypeClass_UNSIGNED_SHORT:
|
|
pRegReturn[0] = (sal_uInt32)(*(unsigned short *)pRegReturn);
|
|
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;
|
|
case typelib_TypeClass_HYPER:
|
|
case typelib_TypeClass_UNSIGNED_HYPER:
|
|
break;
|
|
default:
|
|
pRegReturn[0] = (sal_uInt32)(*(unsigned int*)pRegReturn);
|
|
break;
|
|
}
|
|
return nRegReturn;
|
|
}
|
|
|
|
|
|
int const codeSnippetSize = 3 * sizeof(void*);
|
|
|
|
unsigned char * codeSnippet( unsigned char * code, sal_Int16 functionIndex,
|
|
sal_Int16 vtableOffset, bool simpleRetType )
|
|
{
|
|
sal_uInt32 nOffsetAndIndex = ( ( vtableOffset ) << 16 ) | (functionIndex );
|
|
if (! simpleRetType )
|
|
nOffsetAndIndex |= 0x8000;
|
|
|
|
void **raw = (void**)&code[0];
|
|
memcpy(raw, (char*)cpp_vtable_call, 2 * sizeof(void*));
|
|
raw[2] = (void*)nOffsetAndIndex;
|
|
|
|
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,
|
|
typelib_InterfaceTypeDescription const * type, sal_Int32 functionOffset,
|
|
sal_Int32 functionCount, sal_Int32 vtableOffset)
|
|
{
|
|
(*slots) -= functionCount;
|
|
Slot * s = *slots;
|
|
|
|
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;
|
|
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;
|
|
code = codeSnippet(code, functionOffset++, vtableOffset, true);
|
|
}
|
|
break;
|
|
|
|
case typelib_TypeClass_INTERFACE_METHOD:
|
|
(s++)->fn = code;
|
|
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: */
|