751 lines
27 KiB
C++
751 lines
27 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 <typeinfo>
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#include <com/sun/star/uno/genfunc.hxx>
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#include <sal/log.hxx>
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#include <typelib/typedescription.hxx>
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#include <uno/data.h>
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#include "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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#define GET_FP(n, p) \
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__asm__( "ldx %0, %%l0\n\t" \
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"std %%f" #n ", [%%l0]\n" \
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: : "m"(p) );
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using namespace com::sun::star::uno;
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namespace CPPU_CURRENT_NAMESPACE
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{
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bool is_complex_struct(const typelib_TypeDescription * type)
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{
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for (const typelib_CompoundTypeDescription * p
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= reinterpret_cast< const typelib_CompoundTypeDescription * >(type);
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p != NULL; p = p->pBaseTypeDescription)
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{
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for (sal_Int32 i = 0; i < p->nMembers; ++i)
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{
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if (p->ppTypeRefs[i]->eTypeClass == typelib_TypeClass_STRUCT ||
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p->ppTypeRefs[i]->eTypeClass == typelib_TypeClass_EXCEPTION)
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{
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typelib_TypeDescription * t = 0;
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TYPELIB_DANGER_GET(&t, p->ppTypeRefs[i]);
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bool b = is_complex_struct(t);
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TYPELIB_DANGER_RELEASE(t);
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if (b) {
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return true;
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}
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}
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else if (!bridges::cpp_uno::shared::isSimpleType(p->ppTypeRefs[i]->eTypeClass))
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return true;
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}
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}
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return false;
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}
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bool return_in_hidden_param( typelib_TypeDescriptionReference *pTypeRef )
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{
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if (bridges::cpp_uno::shared::isSimpleType(pTypeRef))
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return false;
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else if (pTypeRef->eTypeClass == typelib_TypeClass_STRUCT ||
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pTypeRef->eTypeClass == typelib_TypeClass_EXCEPTION)
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{
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typelib_TypeDescription * pTypeDescr = 0;
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TYPELIB_DANGER_GET( &pTypeDescr, pTypeRef );
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//A Composite Type not larger than 32 bytes is returned in up to two GPRs
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bool bRet = pTypeDescr->nSize > 32 || is_complex_struct(pTypeDescr);
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TYPELIB_DANGER_RELEASE( pTypeDescr );
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return bRet;
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}
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return true;
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}
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}
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namespace
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{
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static typelib_TypeClass cpp2uno_call(
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bridges::cpp_uno::shared::CppInterfaceProxy * pThis,
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const typelib_TypeDescription * pMemberTypeDescr,
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typelib_TypeDescriptionReference * pReturnTypeRef, // 0 indicates void return
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sal_Int32 nParams, typelib_MethodParameter * pParams,
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void ** pCallStack,
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sal_Int64 * pRegisterReturn /* space for register return */ )
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{
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// pCallStack: [ret ptr], this, params
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char * pCppStack = (char *)pCallStack;
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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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int paramsOffset;
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if (pReturnTypeDescr)
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{
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if (CPPU_CURRENT_NAMESPACE::return_in_hidden_param( pReturnTypeRef ) )
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{
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pCppReturn = *(void**)pCppStack; // complex return via ptr (pCppReturn)
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pUnoReturn = (bridges::cpp_uno::shared::relatesToInterfaceType(
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pReturnTypeDescr )
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? alloca( pReturnTypeDescr->nSize )
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: pCppReturn); // direct way
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pCppStack += sizeof( void* );
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paramsOffset = 2;
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}
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else
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{
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pUnoReturn = pRegisterReturn; // direct way for simple types
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paramsOffset = 1;
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}
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}
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else
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{
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paramsOffset = 1;
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}
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// pop this
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pCppStack += sizeof( void* );
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// stack space
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static_assert(sizeof(void *) == sizeof(sal_Int64), "### unexpected size!");
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// parameters
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void ** pUnoArgs = (void **)alloca( 4 * sizeof(void *) * nParams );
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void ** pCppArgs = pUnoArgs + nParams;
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// indices of values this have to be converted (interface conversion cpp<=>uno)
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sal_Int32 * pTempIndices = (sal_Int32 *)(pUnoArgs + (2 * nParams));
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// type descriptions for reconversions
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typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pUnoArgs + (3 * nParams));
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sal_Int32 nTempIndices = 0;
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for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
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{
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const typelib_MethodParameter & rParam = pParams[nPos];
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typelib_TypeDescription * pParamTypeDescr = 0;
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TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
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if (!rParam.bOut && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr )) // value
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{
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pCppArgs[nPos] = pUnoArgs[nPos] = CPPU_CURRENT_NAMESPACE::adjustPointer(pCppStack, pParamTypeDescr);
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switch (pParamTypeDescr->eTypeClass) {
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case typelib_TypeClass_FLOAT:
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case typelib_TypeClass_DOUBLE:
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{
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int paramArrayIdx = nPos + paramsOffset;
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assert(paramArrayIdx < nParams + paramsOffset);
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switch (paramArrayIdx) {
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// Cannot be 0 - paramsOffset >= 1
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case 1:
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GET_FP(2, pCppStack);
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break;
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case 2:
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GET_FP(4, pCppStack);
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break;
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case 3:
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GET_FP(6, pCppStack);
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break;
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case 4:
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GET_FP(8, pCppStack);
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break;
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case 5:
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GET_FP(10, pCppStack);
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break;
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case 6:
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GET_FP(12, pCppStack);
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break;
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case 7:
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GET_FP(14, pCppStack);
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break;
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case 8:
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GET_FP(16, pCppStack);
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break;
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case 9:
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GET_FP(18, pCppStack);
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break;
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case 10:
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GET_FP(20, pCppStack);
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break;
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case 11:
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GET_FP(22, pCppStack);
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break;
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case 12:
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GET_FP(24, pCppStack);
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break;
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case 13:
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GET_FP(26, pCppStack);
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break;
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case 14:
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GET_FP(28, pCppStack);
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break;
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case 15:
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GET_FP(30, pCppStack);
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break;
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// Anything larger is passed on the stack
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}
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break;
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}
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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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pCppArgs[nPos] = *(void **)pCppStack;
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if (! rParam.bIn) // is pure out
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{
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// uno out is unconstructed mem!
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pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize );
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pTempIndices[nTempIndices] = nPos;
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// will be released at reconversion
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ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr;
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}
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// is in/inout
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else if (bridges::cpp_uno::shared::relatesToInterfaceType(
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pParamTypeDescr ))
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{
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uno_copyAndConvertData( pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize ),
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*(void **)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] = *(void **)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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pCppStack += sizeof(sal_Int64); // standard parameter length
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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], 0 );
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TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndices] );
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}
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if (pReturnTypeDescr)
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TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
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CPPU_CURRENT_NAMESPACE::raiseException(&aUnoExc, pThis->getBridge()->getUno2Cpp() );
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// has to destruct the any
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// is here for dummy
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return typelib_TypeClass_VOID;
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}
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else // else no exception occurred...
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{
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// temporary params
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for ( ; nTempIndices--; )
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{
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sal_Int32 nIndex = pTempIndices[nTempIndices];
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typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndices];
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if (pParams[nIndex].bOut) // inout/out
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{
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// convert and assign
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uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release );
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uno_copyAndConvertData( pCppArgs[nIndex], pUnoArgs[nIndex], pParamTypeDescr,
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pThis->getBridge()->getUno2Cpp() );
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}
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// destroy temp uno param
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uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 );
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TYPELIB_DANGER_RELEASE( pParamTypeDescr );
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}
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// return
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if (pCppReturn) // has complex return
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{
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if (pUnoReturn != pCppReturn) // needs reconversion
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{
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uno_copyAndConvertData( pCppReturn, pUnoReturn, pReturnTypeDescr,
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pThis->getBridge()->getUno2Cpp() );
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// destroy temp uno return
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uno_destructData( pUnoReturn, pReturnTypeDescr, 0 );
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}
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// complex return ptr is set to eax
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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 ** pCallStack,
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sal_Int64 * pRegisterReturn /* space for register return */ )
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{
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static_assert(sizeof(sal_Int64)==sizeof(void *), "### unexpected!");
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// pCallStack: [ret*], this, params
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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 = pCallStack[1];
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}
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else
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{
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pThis = pCallStack[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 *)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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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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pCallStack, 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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pCallStack, 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 * >( pCallStack[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 * >( pCallStack[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 = pCallStack[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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pCallStack, 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 *)pCppI );
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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 void cpp_vtable_call(int nFunctionIndex, void** pCallStack, int vTableOffset)
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{
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sal_Int64 nRegReturn[4] = { 0 };
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void * pRegReturn = &nRegReturn[0];
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//__asm__( "st %%i0, %0\n\t"
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// "stx %%i1, %1\n\t"
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// "st %%i2, %2\n\t"
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// : : "m"(nFunctionIndex), "m"(pCallStack), "m"(vTableOffset) );
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// fprintf(stderr,"cpp_mediate nFunctionIndex=%x\n",nFunctionIndex);
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// fflush(stderr);
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//const sal_Bool bComplex = (nFunctionIndex & 0x80000000) ? sal_True : sal_False;
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typelib_TypeClass aType =
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cpp_mediate( nFunctionIndex, vTableOffset, pCallStack+16, (sal_Int64*)&nRegReturn );
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switch( aType )
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{
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case typelib_TypeClass_BOOLEAN:
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case typelib_TypeClass_BYTE:
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__asm__( "ldx %0, %%l0\n\t"
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"ldsb [%%l0], %%i0\n"
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: : "m"(pRegReturn) );
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break;
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case typelib_TypeClass_CHAR:
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case typelib_TypeClass_SHORT:
|
|
case typelib_TypeClass_UNSIGNED_SHORT:
|
|
__asm__( "ldx %0, %%l0\n\t"
|
|
"ldsh [%%l0], %%i0\n"
|
|
: : "m"(pRegReturn) );
|
|
break;
|
|
case typelib_TypeClass_ENUM:
|
|
case typelib_TypeClass_LONG:
|
|
case typelib_TypeClass_UNSIGNED_LONG:
|
|
__asm__( "ldx %0, %%l0\n\t"
|
|
"ld [%%l0], %%i0\n"
|
|
: : "m"(pRegReturn) );
|
|
break;
|
|
case typelib_TypeClass_HYPER:
|
|
case typelib_TypeClass_UNSIGNED_HYPER:
|
|
__asm__( "ldx %0, %%l0\n\t"
|
|
"ldx [%%l0], %%i0\n\t"
|
|
: : "m"(pRegReturn) );
|
|
break;
|
|
case typelib_TypeClass_FLOAT:
|
|
__asm__( "ldx %0, %%l0\n\t"
|
|
"ld [%%l0], %%f0\n"
|
|
: : "m"(pRegReturn) );
|
|
break;
|
|
case typelib_TypeClass_DOUBLE:
|
|
__asm__( "ldx %0, %%l0\n\t"
|
|
"ldd [%%l0], %%f0\n"
|
|
: : "m"(pRegReturn) );
|
|
break;
|
|
case typelib_TypeClass_VOID:
|
|
break;
|
|
case typelib_TypeClass_STRUCT:
|
|
case typelib_TypeClass_EXCEPTION:
|
|
__asm__( "ldx %0, %%l0\n\t"
|
|
"ldx [%%l0 ], %%i0\n\t"
|
|
"ldx [%%l0+ 8], %%i1\n\t"
|
|
"ldx [%%l0+16], %%i2\n\t"
|
|
"ldx [%%l0+24], %%i3\n\t"
|
|
"ldd [%%l0 ], %%f0\n\t"
|
|
"ldd [%%l0+ 8], %%f2\n\t"
|
|
"ldd [%%l0+16], %%f4\n\t"
|
|
"ldd [%%l0+24], %%f6\n\t"
|
|
: : "m"(pRegReturn) );
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
//if( bComplex )
|
|
//{
|
|
// __asm__( "add %i7, 4, %i7\n\t" );
|
|
// // after call to complex return valued function there is an unimp instruction
|
|
//}
|
|
|
|
}
|
|
|
|
extern "C" void privateSnippetExecutor(...);
|
|
|
|
int const codeSnippetSize = 120;
|
|
unsigned char * codeSnippet(
|
|
unsigned char * code, sal_Int32 functionIndex, sal_Int32 vtableOffset,
|
|
bool bHasHiddenParam, sal_Int32 nParams)
|
|
{
|
|
sal_uInt32 index = functionIndex;
|
|
if (bHasHiddenParam) {
|
|
index |= 0x80000000;
|
|
}
|
|
unsigned int * p = reinterpret_cast< unsigned int * >(code);
|
|
static_assert(sizeof (unsigned int) == 4, "boo");
|
|
static_assert(sizeof (unsigned long long) == 8, "boo");
|
|
++nParams; // implicit this ptr
|
|
if (bHasHiddenParam) {
|
|
++nParams;
|
|
}
|
|
long long frameSize;
|
|
if (nParams > 6) {
|
|
frameSize = 128 + nParams * 8;
|
|
} else {
|
|
frameSize = 176;
|
|
}
|
|
assert(frameSize <= 4096);
|
|
frameSize = -frameSize;
|
|
switch (nParams) {
|
|
default:
|
|
assert(nParams >= 6);
|
|
// stx %o5, [%sp+168+2047]:
|
|
*p++ = 0xDA73A8A7;
|
|
case 5:
|
|
// stx %o4, [%sp+160+2047]:
|
|
*p++ = 0xD873A89F;
|
|
case 4:
|
|
// stx %o3, [%sp+152+2047]:
|
|
*p++ = 0xD673A897;
|
|
case 3:
|
|
// stx %o2, [%sp+144+2047]:
|
|
*p++ = 0xD473A88F;
|
|
case 2:
|
|
// stx %o1, [%sp+136+2047]:
|
|
*p++ = 0xD273A887;
|
|
case 1:
|
|
// stx %o0, [%sp+128+2047]:
|
|
*p++ = 0xD073A87F;
|
|
case 0:
|
|
break;
|
|
}
|
|
// sethi %hi(index), %o0:
|
|
*p++ = 0x11000000 | (index >> 10);
|
|
// or %o0, %lo(index), %o0:
|
|
*p++ = 0x90122000 | (index & 0x3FF);
|
|
// sethi %hh(cpp_vtable_call), %o3:
|
|
*p++ = 0x17000000 | (reinterpret_cast< unsigned long long >(cpp_vtable_call) >> 42);
|
|
// or %o3, %hm(cpp_vtable_call), %o3:
|
|
*p++ = 0x9612E000 | ((reinterpret_cast< unsigned long long >(cpp_vtable_call) >> 32) & 0x3FF);
|
|
// sllx %o3, 32, %o3
|
|
*p++ = 0x972AF020;
|
|
// sethi %lm(cpp_vtable_call), %o2:
|
|
*p++ = 0x15000000 | ((reinterpret_cast< unsigned long long >(cpp_vtable_call) >> 10) & 0x3FFFFF);
|
|
// or %o2, %lo(cpp_vtable_call), %o2:
|
|
*p++ = 0x9412A000 | (reinterpret_cast< unsigned long long >(cpp_vtable_call) & 0x3FF);
|
|
// or %o2, %o3, %o3:
|
|
*p++ = 0x9612800B;
|
|
// sethi %hh(privateSnippetExecutor), %o1:
|
|
*p++ = 0x13000000 | (reinterpret_cast< unsigned long long >(privateSnippetExecutor) >> 42);
|
|
// or %o1, %hm(privateSnippetExecutor), %o1:
|
|
*p++ = 0x92126000 | ((reinterpret_cast< unsigned long long >(privateSnippetExecutor) >> 32) & 0x3FF);
|
|
// sllx %o1, 32, %o1:
|
|
*p++ = 0x932a7020;
|
|
// sethi %lm(privateSnippetExecutor), %o2:
|
|
*p++ = 0x15000000 | ((reinterpret_cast< unsigned long long >(privateSnippetExecutor) >> 10) & 0x3FFFFF);
|
|
// or %o2, %lo(privateSnippetExecutor), %o2:
|
|
*p++ = 0x9412A000 | (reinterpret_cast< unsigned long long >(privateSnippetExecutor) & 0x3FF);
|
|
// or %o2, %o1, %o1:
|
|
*p++ = 0x92128009;
|
|
// sethi %hh(frameSize), %o4:
|
|
*p++ = 0x19000000 | (*reinterpret_cast< unsigned long long * >(&frameSize) >> 42);
|
|
// or %o4, %hm(frameSize), %o4:
|
|
*p++ = 0x98132000 | ((*reinterpret_cast< unsigned long long * >(&frameSize) >> 32) & 0x3FF);
|
|
// sllx %o4, 32, %o4
|
|
*p++ = 0x992B3020;
|
|
// sethi %lm(frameSize), %o2:
|
|
*p++ = 0x15000000 | ((*reinterpret_cast< unsigned long long * >(&frameSize) >> 10) & 0x3FFFFF);
|
|
// or %o2, %lo(frameSize), %o2:
|
|
*p++ = 0x9412A000 | (*reinterpret_cast< unsigned long long * >(&frameSize) & 0x3FF);
|
|
// or %o2, %o4, %o4:
|
|
*p++ = 0x9812800C;
|
|
// sethi %hi(vtableOffset), %o2:
|
|
*p++ = 0x15000000 | (vtableOffset >> 10);
|
|
// or %o2, %lo(vtableOffset), %o2:
|
|
*p++ = 0x9412A000 | (vtableOffset & 0x3FF);
|
|
// save %sp, -frameSize, %sp
|
|
//*p++ = 0x9DE3A000 | (*reinterpret_cast< unsigned int * >(&frameSize) & 0x1FFF);
|
|
// jmpl %o1, %g0:
|
|
*p++ = 0x81C24000;
|
|
// add %sp, 2047, %o1:
|
|
*p++ = 0x9203A7FF;
|
|
assert(reinterpret_cast< unsigned char * >(p) - code <= codeSnippetSize);
|
|
return code + codeSnippetSize;
|
|
}
|
|
|
|
} //end of namespace
|
|
|
|
struct bridges::cpp_uno::shared::VtableFactory::Slot { void const * fn; };
|
|
|
|
bridges::cpp_uno::shared::VtableFactory::Slot *
|
|
bridges::cpp_uno::shared::VtableFactory::mapBlockToVtable(void * block)
|
|
{
|
|
return static_cast< Slot * >(block) + 2;
|
|
}
|
|
|
|
std::size_t bridges::cpp_uno::shared::VtableFactory::getBlockSize(
|
|
sal_Int32 slotCount)
|
|
{
|
|
return (slotCount + 2) * sizeof (Slot) + slotCount * codeSnippetSize;
|
|
}
|
|
|
|
namespace {
|
|
// Some dummy type whose RTTI is used in the synthesized proxy vtables to make uses of dynamic_cast
|
|
// on such proxy objects not crash:
|
|
struct ProxyRtti {};
|
|
}
|
|
|
|
bridges::cpp_uno::shared::VtableFactory::Slot *
|
|
bridges::cpp_uno::shared::VtableFactory::initializeBlock(
|
|
void * block, sal_Int32 slotCount, sal_Int32,
|
|
typelib_InterfaceTypeDescription *)
|
|
{
|
|
Slot * slots = mapBlockToVtable(block);
|
|
slots[-2].fn = 0; //null
|
|
slots[-1].fn = &typeid(ProxyRtti);
|
|
return slots + slotCount;
|
|
}
|
|
|
|
unsigned char * bridges::cpp_uno::shared::VtableFactory::addLocalFunctions(
|
|
Slot ** slots, unsigned char * code, sal_PtrDiff writetoexecdiff,
|
|
typelib_InterfaceTypeDescription const * type, sal_Int32 functionOffset,
|
|
sal_Int32 functionCount, sal_Int32 vTableOffset)
|
|
{
|
|
(*slots) -= functionCount;
|
|
Slot * s = *slots;
|
|
for (sal_Int32 i = 0; i < type->nMembers; ++i) {
|
|
typelib_TypeDescription * member = 0;
|
|
TYPELIB_DANGER_GET(&member, type->ppMembers[i]);
|
|
assert(member != 0);
|
|
switch (member->eTypeClass) {
|
|
case typelib_TypeClass_INTERFACE_ATTRIBUTE:
|
|
// Getter:
|
|
(s++)->fn = code + writetoexecdiff;
|
|
code = codeSnippet(
|
|
code, functionOffset++, vTableOffset,
|
|
CPPU_CURRENT_NAMESPACE::return_in_hidden_param(
|
|
reinterpret_cast<
|
|
typelib_InterfaceAttributeTypeDescription * >(
|
|
member)->pAttributeTypeRef), 0);
|
|
// Setter:
|
|
if (!reinterpret_cast<
|
|
typelib_InterfaceAttributeTypeDescription * >(
|
|
member)->bReadOnly)
|
|
{
|
|
(s++)->fn = code + writetoexecdiff;
|
|
code = codeSnippet(code, functionOffset++, vTableOffset, false, 1);
|
|
}
|
|
break;
|
|
|
|
case typelib_TypeClass_INTERFACE_METHOD:
|
|
(s++)->fn = code + writetoexecdiff;
|
|
code = codeSnippet(
|
|
code, functionOffset++, vTableOffset,
|
|
CPPU_CURRENT_NAMESPACE::return_in_hidden_param(
|
|
reinterpret_cast<
|
|
typelib_InterfaceMethodTypeDescription * >(
|
|
member)->pReturnTypeRef),
|
|
reinterpret_cast<
|
|
typelib_InterfaceMethodTypeDescription * >(
|
|
member)->nParams);
|
|
break;
|
|
|
|
default:
|
|
assert(false);
|
|
break;
|
|
}
|
|
TYPELIB_DANGER_RELEASE(member);
|
|
}
|
|
return code;
|
|
}
|
|
|
|
// use flush code from cc50_solaris_sparc
|
|
|
|
extern "C" void doFlushCode(unsigned long address, unsigned long count);
|
|
|
|
void bridges::cpp_uno::shared::VtableFactory::flushCode(
|
|
unsigned char const * begin, unsigned char const * end)
|
|
{
|
|
unsigned long n = end - begin;
|
|
if (n != 0) {
|
|
unsigned long adr = reinterpret_cast< unsigned long >(begin);
|
|
unsigned long off = adr & 7;
|
|
doFlushCode(adr - off, (n + off + 7) >> 3);
|
|
}
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|