133 lines
4.7 KiB
C++
133 lines
4.7 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 <malloc.h>
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#include <rtl/alloc.h>
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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 <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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#include <stdio.h>
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#include <string.h>
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using namespace ::com::sun::star::uno;
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void MapReturn(sal_uInt32 ret0, sal_uInt32 ret1, typelib_TypeDescription *pReturnTypeDescr, bool bRegisterReturn, sal_uInt32 *pRegisterReturn)
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{
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register float fret asm("fr4");
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register double dret asm("fr4");
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switch (pReturnTypeDescr->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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pRegisterReturn[1] = ret1;
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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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pRegisterReturn[0] = ret0;
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break;
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case typelib_TypeClass_FLOAT:
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*(float*)pRegisterReturn = fret;
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break;
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case typelib_TypeClass_DOUBLE:
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*(double*)pRegisterReturn = dret;
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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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if (bRegisterReturn)
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{
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pRegisterReturn[0] = ret0;
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pRegisterReturn[1] = ret1;
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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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}
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//Moved callVirtual into this .cxx so that I can do this and get gcc to not
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//touch r28 without having to learn any more pa-risc assembly than is
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//strictly necessary
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register sal_uInt32 r28 __asm__("%r28");
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void callVirtualMethod(void * pThis, sal_uInt32 nVtableIndex,
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void * pRegisterReturn, typelib_TypeDescription *pReturnTypeDescr, bool bRegisterReturn,
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sal_uInt32 *pStack, sal_uInt32 nStack, sal_uInt32 *pGPR, double *pFPR) __attribute__((noinline));
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void callVirtualMethod(void * pThis, sal_uInt32 nVtableIndex,
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void * pRegisterReturn, typelib_TypeDescription *pReturnTypeDescr, bool bRegisterReturn,
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sal_uInt32 *pStack, sal_uInt32 nStack, sal_uInt32 *pGPR, double *pFPR)
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{
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register sal_uInt32* sp __asm__("%r30");
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sal_uInt32 pMethod = *((sal_uInt32*)pThis);
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pMethod += 4 * nVtableIndex;
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pMethod = *((sal_uInt32 *)pMethod);
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#if OSL_DEBUG_LEVEL > 2
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fprintf(stderr, "this is %p\n", pGPR[0]);
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for (int i = 0; i < hppa::MAX_GPR_REGS ; ++i)
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fprintf(stderr, "normal reg %d is %d %x\n", i, pGPR[i], pGPR[i]);
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for (int i = 0; i < hppa::MAX_SSE_REGS ; ++i)
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fprintf(stderr, "float reg %d is %x\n", i, pFPR[i]);
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for (int i = 0; i < nStack; ++i)
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fprintf(stderr, "stack bytes are %x\n", pStack[i]);
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#endif
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//Always reserve 4 slots, and align to 8 bytes
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sal_uInt32 nStackBytes = ( ( nStack + 4 + 1 ) >> 1 ) * 8;
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__builtin_alloca(nStackBytes);
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sal_uInt32 *stack = sp-8;
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int o = -5;
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for (sal_uInt32 i = 0; i < nStack; ++i, --o)
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stack[o] = pStack[i];
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typedef int (* FunctionCall )( sal_uInt32, sal_uInt32, sal_uInt32, sal_uInt32 );
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FunctionCall pFunc = (FunctionCall)pMethod;
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asm volatile("fldd %0, %%fr4" : : "m"(pFPR[0]) : "fr4");
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asm volatile("fldd %0, %%fr5" : : "m"(pFPR[1]) : "fr5");
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asm volatile("fldd %0, %%fr6" : : "m"(pFPR[2]) : "fr6");
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asm volatile("fldd %0, %%fr7" : : "m"(pFPR[3]) : "fr7");
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asm volatile("ldw %0, %%r28" : : "m"(pRegisterReturn) : "r28");
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(*pFunc)(pGPR[0], pGPR[1], pGPR[2], pGPR[3]);
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register sal_uInt32 r29 __asm__("%r29");
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MapReturn(r28, r29, pReturnTypeDescr, bRegisterReturn, (sal_uInt32*)pRegisterReturn);
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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