e69ed74e34
When compiling for the simulator it is like compiling for macosx (64bit) but with other libraries, therefore the bridge should be like the macosx. Change-Id: I59f1442a5c77d09ad0bc4bf31c2432fc32ef725e
521 lines
19 KiB
C++
521 lines
19 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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#ifndef __arm64
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#include <stdio.h>
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#include <stdlib.h>
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#include <rtl/alloc.h>
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#include <sal/log.hxx>
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#include <com/sun/star/uno/genfunc.hxx>
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#include "com/sun/star/uno/RuntimeException.hpp"
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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 "abi.hxx"
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#include "call.hxx"
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#include "share.hxx"
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using namespace ::osl;
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using namespace ::com::sun::star::uno;
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// Perform the UNO call
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//
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// We must convert the parameters stored in gpreg, fpreg and ovrflw to UNO
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// arguments and call pThis->getUnoI()->pDispatcher.
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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: [gpr or fpr params (properly aligned)]
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//
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// [ret *] is present when we are returning a structure bigger than 16 bytes
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// Simple types are returned in rax, rdx (int), or xmm0, xmm1 (fp).
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// Similarly structures <= 16 bytes are in rax, rdx, xmm0, xmm1 as necessary.
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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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unsigned int nr_gpr = 0; //number of gpr registers used
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unsigned int nr_fpr = 0; //number of fpr registers used
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// return
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typelib_TypeDescription * pReturnTypeDescr = nullptr;
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if (pReturnTypeRef)
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TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
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void * pUnoReturn = nullptr;
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void * pCppReturn = nullptr; // complex return ptr: if != 0 && != pUnoReturn, reconversion need
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if ( pReturnTypeDescr )
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{
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if ( x86_64::return_in_hidden_param( pReturnTypeRef ) )
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{
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pCppReturn = *gpreg++;
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nr_gpr++;
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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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else
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pUnoReturn = pRegisterReturn; // direct way for simple types
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}
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// pop this
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gpreg++;
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nr_gpr++;
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// stack space
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// parameters
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void ** pUnoArgs = static_cast<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 = reinterpret_cast<sal_Int32 *>(pUnoArgs + (2 * nParams));
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// type descriptions for reconversions
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typelib_TypeDescription ** ppTempParamTypeDescr = reinterpret_cast<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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int nUsedGPR = 0;
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int nUsedSSE = 0;
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#if OSL_DEBUG_LEVEL > 0
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bool bFitsRegisters =
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#endif
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x86_64::examine_argument( rParam.pTypeRef, false, nUsedGPR, nUsedSSE );
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if ( !rParam.bOut && bridges::cpp_uno::shared::isSimpleType( rParam.pTypeRef ) ) // value
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{
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// Simple types must fit exactly one register on x86_64
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assert(bFitsRegisters && ( ( nUsedSSE == 1 && nUsedGPR == 0 ) || ( nUsedSSE == 0 && nUsedGPR == 1 ) ));
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if ( nUsedSSE == 1 )
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{
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if ( nr_fpr < x86_64::MAX_SSE_REGS )
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{
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pCppArgs[nPos] = pUnoArgs[nPos] = fpreg++;
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nr_fpr++;
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}
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else
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pCppArgs[nPos] = pUnoArgs[nPos] = ovrflw++;
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}
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else if ( nUsedGPR == 1 )
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{
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if ( nr_gpr < x86_64::MAX_GPR_REGS )
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{
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pCppArgs[nPos] = pUnoArgs[nPos] = gpreg++;
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nr_gpr++;
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}
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else
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pCppArgs[nPos] = pUnoArgs[nPos] = ovrflw++;
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}
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}
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else // struct <= 16 bytes || ptr to complex value || ref
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{
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typelib_TypeDescription * pParamTypeDescr = nullptr;
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TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
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void *pCppStack;
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if ( nr_gpr < x86_64::MAX_GPR_REGS )
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{
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pCppArgs[nPos] = pCppStack = *gpreg++;
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nr_gpr++;
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}
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else
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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] = 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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else if ( bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr ) ) // is in/inout
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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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// 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], nullptr );
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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() ); // 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, nullptr );
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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, nullptr );
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}
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// complex return ptr is set to return reg
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*reinterpret_cast<void **>(pRegisterReturn) = pCppReturn;
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}
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if ( pReturnTypeDescr )
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{
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typelib_TypeClass eRet = 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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typelib_TypeClass cpp_vtable_call(
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sal_Int32 nFunctionIndex, 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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// 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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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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reinterpret_cast<XInterface *>( pCppI ) );
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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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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, nullptr, // 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 = true;
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aParam.bOut = false;
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eRet = cpp2uno_call( pCppI, aMemberDescr.get(),
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nullptr, // 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 = nullptr;
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TYPELIB_DANGER_GET( &pTD, static_cast<Type *>( gpreg[2] )->getTypeLibType() );
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if ( pTD )
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{
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XInterface * pInterface = nullptr;
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(*pCppI->getBridge()->getCppEnv()->getRegisteredInterface)
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( pCppI->getBridge()->getCppEnv(),
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reinterpret_cast<void **>(&pInterface),
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pCppI->getOid().pData,
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reinterpret_cast<typelib_InterfaceTypeDescription *>( pTD ) );
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if ( pInterface )
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{
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::uno_any_construct( static_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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reinterpret_cast<void **>( pRegisterReturn )[0] = 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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SAL_FALLTHROUGH; // else perform queryInterface()
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}
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default:
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{
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typelib_InterfaceMethodTypeDescription *pMethodTD =
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reinterpret_cast<typelib_InterfaceMethodTypeDescription *>( aMemberDescr.get() );
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eRet = cpp2uno_call( pCppI, aMemberDescr.get(),
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pMethodTD->pReturnTypeRef,
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pMethodTD->nParams,
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pMethodTD->pParams,
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gpreg, fpreg, ovrflw, pRegisterReturn );
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}
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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!",
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reinterpret_cast<XInterface *>( pCppI ) );
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}
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}
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return eRet;
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}
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const int codeSnippetSize = 24;
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// Generate a trampoline that redirects method calls to
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// privateSnippetExecutor().
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//
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// privateSnippetExecutor() saves all the registers that are used for
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// parameter passing on x86_64, and calls the cpp_vtable_call().
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// When it returns, privateSnippetExecutor() sets the return value.
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//
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// Note: The code snippet we build here must not create a stack frame,
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// otherwise the UNO exceptions stop working thanks to non-existing
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// unwinding info.
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unsigned char * codeSnippet( unsigned char * code,
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sal_Int32 nFunctionIndex, sal_Int32 nVtableOffset,
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bool bHasHiddenParam )
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{
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sal_uInt64 nOffsetAndIndex = ( ( (sal_uInt64) nVtableOffset ) << 32 ) | ( (sal_uInt64) nFunctionIndex );
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if ( bHasHiddenParam )
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nOffsetAndIndex |= 0x80000000;
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// movq $<nOffsetAndIndex>, %r10
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*reinterpret_cast<sal_uInt16 *>( code ) = 0xba49;
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*reinterpret_cast<sal_uInt16 *>( code + 2 ) = nOffsetAndIndex & 0xFFFF;
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*reinterpret_cast<sal_uInt32 *>( code + 4 ) = nOffsetAndIndex >> 16;
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*reinterpret_cast<sal_uInt16 *>( code + 8 ) = nOffsetAndIndex >> 48;
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// movq $<address of the privateSnippetExecutor>, %r11
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*reinterpret_cast<sal_uInt16 *>( code + 10 ) = 0xbb49;
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*reinterpret_cast<sal_uInt32 *>( code + 12 )
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= reinterpret_cast<sal_uInt64>(privateSnippetExecutor);
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*reinterpret_cast<sal_uInt32 *>( code + 16 )
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= reinterpret_cast<sal_uInt64>(privateSnippetExecutor) >> 32;
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// jmpq *%r11
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*reinterpret_cast<sal_uInt32 *>( code + 20 ) = 0x00e3ff49;
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#if OSL_DEBUG_LEVEL > 1
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fprintf(stderr,
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"==> codeSnippet, functionIndex=%d%s, vtableOffset=%d\n",
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nFunctionIndex, (bHasHiddenParam ? "|0x80000000":""), nVtableOffset);
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#endif
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return code + codeSnippetSize;
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}
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struct bridges::cpp_uno::shared::VtableFactory::Slot { void * fn; };
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bridges::cpp_uno::shared::VtableFactory::Slot *
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bridges::cpp_uno::shared::VtableFactory::mapBlockToVtable(void * block)
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{
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return static_cast< Slot * >(block) + 2;
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}
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std::size_t bridges::cpp_uno::shared::VtableFactory::getBlockSize(
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sal_Int32 slotCount)
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{
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return (slotCount + 2) * sizeof (Slot) + slotCount * codeSnippetSize;
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}
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bridges::cpp_uno::shared::VtableFactory::Slot *
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bridges::cpp_uno::shared::VtableFactory::initializeBlock(
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void * block, sal_Int32 slotCount, sal_Int32,
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typelib_InterfaceTypeDescription *)
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{
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Slot * slots = mapBlockToVtable(block);
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slots[-2].fn = nullptr;
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slots[-1].fn = nullptr;
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return slots + slotCount;
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}
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unsigned char * bridges::cpp_uno::shared::VtableFactory::addLocalFunctions(
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Slot ** slots, unsigned char * code,
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typelib_InterfaceTypeDescription const * type, sal_Int32 nFunctionOffset,
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sal_Int32 functionCount, sal_Int32 nVtableOffset )
|
|
{
|
|
const sal_PtrDiff writetoexecdiff = 0;
|
|
(*slots) -= functionCount;
|
|
Slot * s = *slots;
|
|
for ( sal_Int32 nPos = 0; nPos < type->nMembers; ++nPos )
|
|
{
|
|
typelib_TypeDescription * pTD = nullptr;
|
|
|
|
TYPELIB_DANGER_GET( &pTD, type->ppMembers[ nPos ] );
|
|
assert(pTD);
|
|
|
|
if ( typelib_TypeClass_INTERFACE_ATTRIBUTE == pTD->eTypeClass )
|
|
{
|
|
typelib_InterfaceAttributeTypeDescription *pAttrTD =
|
|
reinterpret_cast<typelib_InterfaceAttributeTypeDescription *>( pTD );
|
|
|
|
// get method
|
|
(s++)->fn = code + writetoexecdiff;
|
|
code = codeSnippet( code, nFunctionOffset++, nVtableOffset,
|
|
x86_64::return_in_hidden_param( pAttrTD->pAttributeTypeRef ) );
|
|
|
|
if ( ! pAttrTD->bReadOnly )
|
|
{
|
|
// set method
|
|
(s++)->fn = code + writetoexecdiff;
|
|
code = codeSnippet( code, nFunctionOffset++, nVtableOffset, false );
|
|
}
|
|
}
|
|
else if ( typelib_TypeClass_INTERFACE_METHOD == pTD->eTypeClass )
|
|
{
|
|
typelib_InterfaceMethodTypeDescription *pMethodTD =
|
|
reinterpret_cast<typelib_InterfaceMethodTypeDescription *>( pTD );
|
|
|
|
(s++)->fn = code + writetoexecdiff;
|
|
code = codeSnippet( code, nFunctionOffset++, nVtableOffset,
|
|
x86_64::return_in_hidden_param( pMethodTD->pReturnTypeRef ) );
|
|
}
|
|
else
|
|
assert(false);
|
|
|
|
TYPELIB_DANGER_RELEASE( pTD );
|
|
}
|
|
return code;
|
|
}
|
|
|
|
void bridges::cpp_uno::shared::VtableFactory::flushCode(
|
|
SAL_UNUSED_PARAMETER unsigned char const *,
|
|
SAL_UNUSED_PARAMETER unsigned char const * )
|
|
{}
|
|
|
|
#endif
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|