592 lines
20 KiB
C++
592 lines
20 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 <sal/config.h>
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#include <exception>
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#include <malloc.h>
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#include <cstring>
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#include <typeinfo>
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#include <com/sun/star/uno/Exception.hpp>
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#include <com/sun/star/uno/RuntimeException.hpp>
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#include <com/sun/star/uno/genfunc.hxx>
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#include <o3tl/runtimetooustring.hxx>
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#include <uno/data.h>
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#include "bridge.hxx"
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#include "types.hxx"
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#include "unointerfaceproxy.hxx"
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#include "vtables.hxx"
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#include "share.hxx"
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//#define BRDEBUG
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#ifdef BRDEBUG
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#include <stdio.h>
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#endif
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#define INSERT_FLOAT_DOUBLE( pSV, nr, pFPR, pDS ) \
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if ( nr < MAX_FP_REGS ) \
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pFPR[nr++] = *reinterpret_cast<double *>( pSV ); \
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else \
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*pDS++ = *reinterpret_cast<sal_uInt64 *>( pSV ); // verbatim!
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#define INSERT_INT64( pSV, nr, pGPR, pDS ) \
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if ( nr < MAX_GP_REGS ) \
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pGPR[nr++] = *reinterpret_cast<sal_Int64 *>( pSV ); \
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else \
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*pDS++ = *reinterpret_cast<sal_Int64 *>( pSV );
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#define INSERT_INT32( pSV, nr, pGPR, pDS ) \
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if ( nr < MAX_GP_REGS ) \
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pGPR[nr++] = *reinterpret_cast<sal_Int32 *>( pSV ); \
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else \
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*pDS++ = *reinterpret_cast<sal_Int32 *>( pSV );
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#define INSERT_INT16( pSV, nr, pGPR, pDS ) \
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if ( nr < MAX_GP_REGS ) \
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pGPR[nr++] = *reinterpret_cast<sal_Int16 *>( pSV ); \
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else \
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*pDS++ = *reinterpret_cast<sal_Int16 *>( pSV );
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#define INSERT_UINT16( pSV, nr, pGPR, pDS ) \
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if ( nr < MAX_GP_REGS ) \
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pGPR[nr++] = *reinterpret_cast<sal_uInt16 *>( pSV ); \
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else \
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*pDS++ = *reinterpret_cast<sal_uInt16 *>( pSV );
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#define INSERT_INT8( pSV, nr, pGPR, pDS ) \
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if ( nr < MAX_GP_REGS ) \
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pGPR[nr++] = *reinterpret_cast<sal_Int8 *>( pSV ); \
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else \
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*pDS++ = *reinterpret_cast<sal_Int8 *>( pSV );
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using namespace ::com::sun::star::uno;
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namespace
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{
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bool isReturnInFPR(const typelib_TypeDescription * pTypeDescr, sal_uInt32 & nSize)
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{
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const typelib_CompoundTypeDescription *p =
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reinterpret_cast<const typelib_CompoundTypeDescription*>( pTypeDescr );
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for (sal_Int32 i = 0; i < p->nMembers; ++i)
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{
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typelib_TypeDescriptionReference *pTypeInStruct = p->ppTypeRefs[ i ];
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switch (pTypeInStruct->eTypeClass)
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{
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case typelib_TypeClass_STRUCT:
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case typelib_TypeClass_EXCEPTION:
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{
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typelib_TypeDescription * t = 0;
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TYPELIB_DANGER_GET(&t, pTypeInStruct);
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bool isFPR = isReturnInFPR(t, nSize);
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TYPELIB_DANGER_RELEASE(t);
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if (!isFPR)
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return false;
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}
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break;
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case typelib_TypeClass_FLOAT:
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case typelib_TypeClass_DOUBLE:
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if (nSize >= 16)
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return false;
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nSize += 8;
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break;
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default:
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return false;
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}
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}
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return true;
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}
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void fillReturn(const typelib_TypeDescription * pTypeDescr,
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sal_Int64 * gret, double * fret, void * pRegisterReturn)
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{
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sal_uInt32 nSize = 0;
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if (isReturnInFPR(pTypeDescr, nSize))
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{
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reinterpret_cast<double *>( pRegisterReturn )[0] = fret[0];
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reinterpret_cast<double *>( pRegisterReturn )[1] = fret[1];
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}
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else
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{
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reinterpret_cast<sal_Int64 *>( pRegisterReturn )[0] = gret[0];
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reinterpret_cast<sal_Int64 *>( pRegisterReturn )[1] = gret[1];
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}
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}
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static void callVirtualMethod(
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void * pAdjustedThisPtr,
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sal_Int32 nVtableIndex,
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void * pRegisterReturn,
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typelib_TypeDescriptionReference * pReturnTypeRef,
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bool bSimpleReturn,
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sal_uInt64 *pStack,
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sal_uInt32 nStack,
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sal_uInt64 *pGPR,
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double *pFPR,
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sal_uInt32 nREG)
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{
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// Should not happen, but...
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static_assert(MAX_GP_REGS == MAX_FP_REGS, "must be the same size");
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if ( nREG > MAX_GP_REGS )
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nREG = MAX_GP_REGS;
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// Get pointer to method
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sal_uInt64 pMethod = *((sal_uInt64 *)pAdjustedThisPtr);
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pMethod += 8 * nVtableIndex;
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void *mfunc = (void *) *((sal_uInt64 *)pMethod);
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#ifdef BRDEBUG
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fprintf(stderr, "calling function %p\n", mfunc);
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#endif
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// Load parameters to stack, if necessary
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sal_uInt64* pCallStack = NULL;
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if ( nStack )
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{
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// 16-bytes aligned
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sal_uInt32 nStackBytes = ( ( nStack + 1 ) >> 1 ) * 16;
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pCallStack = (sal_uInt64 *) __builtin_alloca( nStackBytes );
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std::memcpy( pCallStack, pStack, nStackBytes );
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}
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sal_Int64 gret[2];
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double fret[2];
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asm volatile (
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".set push \n\t"
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".set mips64 \n\t"
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// Fill the general purpose registers
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"ld $4, 0(%[gpr]) \n\t"
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"ld $5, 8(%[gpr]) \n\t"
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"ld $6, 16(%[gpr]) \n\t"
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"ld $7, 24(%[gpr]) \n\t"
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"ld $8, 32(%[gpr]) \n\t"
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"ld $9, 40(%[gpr]) \n\t"
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"ld $10, 48(%[gpr]) \n\t"
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"ld $11, 56(%[gpr]) \n\t"
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// Fill the floating pointer registers
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"ldc1 $f12, 0(%[fpr]) \n\t"
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"ldc1 $f13, 8(%[fpr]) \n\t"
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"ldc1 $f14, 16(%[fpr]) \n\t"
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"ldc1 $f15, 24(%[fpr]) \n\t"
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"ldc1 $f16, 32(%[fpr]) \n\t"
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"ldc1 $f17, 40(%[fpr]) \n\t"
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"ldc1 $f18, 48(%[fpr]) \n\t"
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"ldc1 $f19, 56(%[fpr]) \n\t"
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// Perform the call
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"jalr %[mfunc] \n\t"
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// Fill the return values
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"move %[gret1], $2 \n\t"
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"move %[gret2], $3 \n\t"
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"mov.d %[fret1], $f0 \n\t"
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"mov.d %[fret2], $f2 \n\t"
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".set pop \n\t"
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:[gret1]"=r"(gret[0]), [gret2]"=r"(gret[1]),
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[fret1]"=f"(fret[0]), [fret2]"=f"(fret[1])
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:[gpr]"r"(pGPR), [fpr]"r"(pFPR), [mfunc]"c"(mfunc),
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[stack]"m"(pCallStack) // dummy input to prevent the compiler from optimizing the alloca out
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:"$2", "$3", "$4", "$5", "$6", "$7", "$8",
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"$9", "$10", "$11", "$31",
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"$f0", "$f2", "$f12", "$f13", "$f14", "$f15",
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"$f16", "$f17", "$f18", "$f19", "memory"
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);
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switch (pReturnTypeRef->eTypeClass)
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{
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case typelib_TypeClass_HYPER:
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case typelib_TypeClass_UNSIGNED_HYPER:
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case typelib_TypeClass_LONG:
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case typelib_TypeClass_UNSIGNED_LONG:
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case typelib_TypeClass_ENUM:
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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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case typelib_TypeClass_BOOLEAN:
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case typelib_TypeClass_BYTE:
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*reinterpret_cast<sal_Int64 *>( pRegisterReturn ) = gret[0];
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break;
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case typelib_TypeClass_FLOAT:
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case typelib_TypeClass_DOUBLE:
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*reinterpret_cast<double *>( pRegisterReturn ) = fret[0];
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break;
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case typelib_TypeClass_STRUCT:
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case typelib_TypeClass_EXCEPTION:
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{
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sal_Int32 const nRetSize = pReturnTypeRef->pType->nSize;
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if (bSimpleReturn && nRetSize <= 16 && nRetSize > 0)
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{
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typelib_TypeDescription * pTypeDescr = 0;
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TYPELIB_DANGER_GET( &pTypeDescr, pReturnTypeRef );
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fillReturn(pTypeDescr, gret, fret, pRegisterReturn);
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TYPELIB_DANGER_RELEASE( pTypeDescr );
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}
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break;
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}
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default:
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#ifdef BRDEBUG
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fprintf(stderr,"unhandled return type %u\n", pReturnTypeRef->eTypeClass);
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#endif
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break;
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}
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}
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static void cpp_call(
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bridges::cpp_uno::shared::UnoInterfaceProxy * pThis,
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bridges::cpp_uno::shared::VtableSlot aVtableSlot,
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typelib_TypeDescriptionReference * pReturnTypeRef,
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sal_Int32 nParams, typelib_MethodParameter * pParams,
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void * pUnoReturn, void * pUnoArgs[], uno_Any ** ppUnoExc )
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{
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// max space for: [complex ret ptr], values|ptr ...
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sal_uInt64 *pStack = (sal_uInt64 *)__builtin_alloca( ((nParams+3) * sizeof(sal_Int64)) );
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sal_uInt64 *pStackStart = pStack;
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sal_uInt64 pGPR[MAX_GP_REGS];
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double pFPR[MAX_FP_REGS];
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sal_uInt32 nREG = 0;
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#ifdef BRDEBUG
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fprintf(stderr, "in cpp_call\n");
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#endif
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// return
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typelib_TypeDescription * pReturnTypeDescr = 0;
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TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
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assert(pReturnTypeDescr);
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void * pCppReturn = 0; // if != 0 && != pUnoReturn, needs reconversion
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bool bSimpleReturn = true;
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if (pReturnTypeDescr)
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{
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if ( CPPU_CURRENT_NAMESPACE::return_in_hidden_param( pReturnTypeRef ) )
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{
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bSimpleReturn = false;
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// complex return via ptr
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pCppReturn = bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr )?
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__builtin_alloca( pReturnTypeDescr->nSize ) : pUnoReturn;
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INSERT_INT64( &pCppReturn, nREG, pGPR, pStack );
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}
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else
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{
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pCppReturn = pUnoReturn; // direct way for simple types
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}
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}
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// push this
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void* pAdjustedThisPtr = reinterpret_cast< void **>( pThis->getCppI() ) + aVtableSlot.offset;
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INSERT_INT64( &pAdjustedThisPtr, nREG, pGPR, pStack );
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// args
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void ** pCppArgs = (void **)alloca( 3 * sizeof(void *) * 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 *)(pCppArgs + nParams);
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// type descriptions for reconversions
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typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pCppArgs + (2 * 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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{
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uno_copyAndConvertData( pCppArgs[nPos] = alloca( 8 ), pUnoArgs[nPos], pParamTypeDescr,
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pThis->getBridge()->getUno2Cpp() );
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switch (pParamTypeDescr->eTypeClass)
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{
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case typelib_TypeClass_LONG:
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case typelib_TypeClass_UNSIGNED_LONG:
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case typelib_TypeClass_ENUM:
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INSERT_INT32( pCppArgs[nPos], nREG, pGPR, pStack );
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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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INSERT_INT16( pCppArgs[nPos], nREG, pGPR, pStack );
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break;
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case typelib_TypeClass_UNSIGNED_SHORT:
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INSERT_UINT16( pCppArgs[nPos], nREG, pGPR, pStack );
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break;
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case typelib_TypeClass_BOOLEAN:
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case typelib_TypeClass_BYTE:
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INSERT_INT8( pCppArgs[nPos], nREG, pGPR, pStack );
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break;
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case typelib_TypeClass_FLOAT:
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case typelib_TypeClass_DOUBLE:
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INSERT_FLOAT_DOUBLE( pCppArgs[nPos], nREG, pFPR, pStack );
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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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INSERT_INT64( pCppArgs[nPos], nREG, pGPR, pStack );
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break;
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default:
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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 (! rParam.bIn) // is pure out
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{
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// cpp out is constructed mem, uno out is not!
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uno_constructData(
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pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
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pParamTypeDescr );
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pTempIndices[nTempIndices] = nPos; // default constructed for cpp call
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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(
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pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
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pUnoArgs[nPos], pParamTypeDescr, pThis->getBridge()->getUno2Cpp() );
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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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pCppArgs[nPos] = pUnoArgs[nPos];
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// no longer needed
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TYPELIB_DANGER_RELEASE( pParamTypeDescr );
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}
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INSERT_INT64( &(pCppArgs[nPos]), nREG, pGPR, pStack );
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}
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}
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try
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{
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try {
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callVirtualMethod(
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pAdjustedThisPtr, aVtableSlot.index,
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pCppReturn, pReturnTypeRef, bSimpleReturn,
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pStackStart, ( pStack - pStackStart ),
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pGPR, pFPR, nREG);
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} catch (css::uno::Exception &) {
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throw;
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} catch (std::exception & e) {
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throw css::uno::RuntimeException(
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"C++ code threw " + o3tl::runtimeToOUString(typeid(e).name()) + ": "
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+ o3tl::runtimeToOUString(e.what()));
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} catch (...) {
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throw css::uno::RuntimeException("C++ code threw unknown exception");
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}
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// NO exception occurred...
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*ppUnoExc = 0;
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// reconvert 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].bIn)
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{
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if (pParams[nIndex].bOut) // inout
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{
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uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 ); // destroy uno value
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uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
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pThis->getBridge()->getCpp2Uno() );
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}
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}
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else // pure out
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{
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uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
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pThis->getBridge()->getCpp2Uno() );
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}
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// destroy temp cpp param => cpp: every param was constructed
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uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release );
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TYPELIB_DANGER_RELEASE( pParamTypeDescr );
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}
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// return value
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if (pCppReturn && pUnoReturn != pCppReturn)
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{
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uno_copyAndConvertData( pUnoReturn, pCppReturn, pReturnTypeDescr,
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pThis->getBridge()->getCpp2Uno() );
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uno_destructData( pCppReturn, pReturnTypeDescr, cpp_release );
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}
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}
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catch (...)
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{
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// fill uno exception
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CPPU_CURRENT_NAMESPACE::fillUnoException(*ppUnoExc, pThis->getBridge()->getCpp2Uno());
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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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// destroy temp cpp param => cpp: every param was constructed
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uno_destructData( pCppArgs[nIndex], ppTempParamTypeDescr[nTempIndices], cpp_release );
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TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndices] );
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}
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// return type
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if (pReturnTypeDescr)
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TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
|
|
namespace bridges::cpp_uno::shared {
|
|
|
|
void unoInterfaceProxyDispatch(
|
|
uno_Interface * pUnoI, const typelib_TypeDescription * pMemberDescr,
|
|
void * pReturn, void * pArgs[], uno_Any ** ppException )
|
|
{
|
|
// is my surrogate
|
|
bridges::cpp_uno::shared::UnoInterfaceProxy * pThis
|
|
= static_cast< bridges::cpp_uno::shared::UnoInterfaceProxy *> (pUnoI);
|
|
//typelib_InterfaceTypeDescription * pTypeDescr = pThis->pTypeDescr;
|
|
|
|
#ifdef BRDEBUG
|
|
fprintf(stderr, "in dispatch\n");
|
|
#endif
|
|
|
|
switch (pMemberDescr->eTypeClass)
|
|
{
|
|
case typelib_TypeClass_INTERFACE_ATTRIBUTE:
|
|
{
|
|
|
|
VtableSlot aVtableSlot(
|
|
getVtableSlot(
|
|
reinterpret_cast<
|
|
typelib_InterfaceAttributeTypeDescription const * >(
|
|
pMemberDescr)));
|
|
|
|
if (pReturn)
|
|
{
|
|
// dependent dispatch
|
|
cpp_call(
|
|
pThis, aVtableSlot,
|
|
((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef,
|
|
0, 0, // no params
|
|
pReturn, pArgs, ppException );
|
|
}
|
|
else
|
|
{
|
|
// is SET
|
|
typelib_MethodParameter aParam;
|
|
aParam.pTypeRef =
|
|
((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef;
|
|
aParam.bIn = sal_True;
|
|
aParam.bOut = sal_False;
|
|
|
|
typelib_TypeDescriptionReference * pReturnTypeRef = 0;
|
|
OUString aVoidName("void");
|
|
typelib_typedescriptionreference_new(
|
|
&pReturnTypeRef, typelib_TypeClass_VOID, aVoidName.pData );
|
|
|
|
// dependent dispatch
|
|
aVtableSlot.index += 1; //get then set method
|
|
cpp_call(
|
|
pThis, aVtableSlot,
|
|
pReturnTypeRef,
|
|
1, &aParam,
|
|
pReturn, pArgs, ppException );
|
|
|
|
typelib_typedescriptionreference_release( pReturnTypeRef );
|
|
}
|
|
|
|
break;
|
|
}
|
|
case typelib_TypeClass_INTERFACE_METHOD:
|
|
{
|
|
|
|
VtableSlot aVtableSlot(
|
|
getVtableSlot(
|
|
reinterpret_cast<
|
|
typelib_InterfaceMethodTypeDescription const * >(
|
|
pMemberDescr)));
|
|
switch (aVtableSlot.index)
|
|
{
|
|
// standard calls
|
|
case 1: // acquire uno interface
|
|
(*pUnoI->acquire)( pUnoI );
|
|
*ppException = 0;
|
|
break;
|
|
case 2: // release uno interface
|
|
(*pUnoI->release)( pUnoI );
|
|
*ppException = 0;
|
|
break;
|
|
case 0: // queryInterface() opt
|
|
{
|
|
typelib_TypeDescription * pTD = 0;
|
|
TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pArgs[0] )->getTypeLibType() );
|
|
if (pTD)
|
|
{
|
|
uno_Interface * pInterface = 0;
|
|
(*pThis->pBridge->getUnoEnv()->getRegisteredInterface)(pThis->pBridge->getUnoEnv(),
|
|
(void **)&pInterface, pThis->oid.pData,
|
|
(typelib_InterfaceTypeDescription *)pTD );
|
|
|
|
if (pInterface)
|
|
{
|
|
::uno_any_construct(
|
|
reinterpret_cast< uno_Any * >( pReturn ),
|
|
&pInterface, pTD, 0 );
|
|
(*pInterface->release)( pInterface );
|
|
TYPELIB_DANGER_RELEASE( pTD );
|
|
*ppException = 0;
|
|
break;
|
|
}
|
|
TYPELIB_DANGER_RELEASE( pTD );
|
|
}
|
|
} // else perform queryInterface()
|
|
default:
|
|
// dependent dispatch
|
|
cpp_call(
|
|
pThis, aVtableSlot,
|
|
((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pReturnTypeRef,
|
|
((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->nParams,
|
|
((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pParams,
|
|
pReturn, pArgs, ppException );
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
::com::sun::star::uno::RuntimeException aExc(
|
|
"illegal member type description!",
|
|
::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >() );
|
|
|
|
Type const & rExcType = cppu::UnoType<decltype(aExc)>::get();
|
|
// binary identical null reference
|
|
::uno_type_any_construct( *ppException, &aExc, rExcType.getTypeLibType(), 0 );
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|