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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include <malloc.h>
#include <rtl/alloc.h>
#include <com/sun/star/uno/genfunc.hxx>
#include "com/sun/star/uno/RuntimeException.hpp"
#include <uno/data.h>
#include <bridges/cpp_uno/shared/bridge.hxx>
#include <bridges/cpp_uno/shared/types.hxx>
#include <bridges/cpp_uno/shared/unointerfaceproxy.hxx>
#include <bridges/cpp_uno/shared/vtables.hxx>
#include "share.hxx"
#include <stdio.h>
#include <string.h>
using namespace ::rtl;
using namespace ::com::sun::star::uno;
void MapReturn(sal_uInt32 ret0, sal_uInt32 ret1, typelib_TypeDescription *pReturnTypeDescr, bool bRegisterReturn, sal_uInt32 *pRegisterReturn)
{
register float fret asm("fr4");
register double dret asm("fr4");
switch (pReturnTypeDescr->eTypeClass)
{
case typelib_TypeClass_HYPER:
case typelib_TypeClass_UNSIGNED_HYPER:
pRegisterReturn[1] = ret1;
case typelib_TypeClass_LONG:
case typelib_TypeClass_UNSIGNED_LONG:
case typelib_TypeClass_ENUM:
case typelib_TypeClass_CHAR:
case typelib_TypeClass_SHORT:
case typelib_TypeClass_UNSIGNED_SHORT:
case typelib_TypeClass_BOOLEAN:
case typelib_TypeClass_BYTE:
pRegisterReturn[0] = ret0;
break;
case typelib_TypeClass_FLOAT:
*(float*)pRegisterReturn = fret;
break;
case typelib_TypeClass_DOUBLE:
*(double*)pRegisterReturn = dret;
break;
case typelib_TypeClass_STRUCT:
case typelib_TypeClass_EXCEPTION:
{
if (bRegisterReturn)
{
pRegisterReturn[0] = ret0;
pRegisterReturn[1] = ret1;
}
break;
}
default:
break;
}
}
//Moved callVirtual into this .cxx so that I can do this and get gcc to not
//touch r28 without having to learn any more pa-risc assembly than is
//strictly necessary
register sal_uInt32 r28 __asm__("%r28");
void callVirtualMethod(void * pThis, sal_uInt32 nVtableIndex,
void * pRegisterReturn, typelib_TypeDescription *pReturnTypeDescr, bool bRegisterReturn,
sal_uInt32 *pStack, sal_uInt32 nStack, sal_uInt32 *pGPR, double *pFPR) __attribute__((noinline));
void callVirtualMethod(void * pThis, sal_uInt32 nVtableIndex,
void * pRegisterReturn, typelib_TypeDescription *pReturnTypeDescr, bool bRegisterReturn,
sal_uInt32 *pStack, sal_uInt32 nStack, sal_uInt32 *pGPR, double *pFPR)
{
register sal_uInt32* sp __asm__("%r30");
sal_uInt32 pMethod = *((sal_uInt32*)pThis);
pMethod += 4 * nVtableIndex;
pMethod = *((sal_uInt32 *)pMethod);
#if OSL_DEBUG_LEVEL > 2
fprintf(stderr, "this is %p\n", pGPR[0]);
for (int i = 0; i < hppa::MAX_GPR_REGS ; ++i)
fprintf(stderr, "normal reg %d is %d %x\n", i, pGPR[i], pGPR[i]);
for (int i = 0; i < hppa::MAX_SSE_REGS ; ++i)
fprintf(stderr, "float reg %d is %x\n", i, pFPR[i]);
for (int i = 0; i < nStack; ++i)
fprintf(stderr, "stack bytes are %x\n", pStack[i]);
#endif
//Always reserve 4 slots, and align to 8 bytes
sal_uInt32 nStackBytes = ( ( nStack + 4 + 1 ) >> 1 ) * 8;
__builtin_alloca(nStackBytes);
sal_uInt32 *stack = sp-8;
int o = -5;
for (sal_uInt32 i = 0; i < nStack; ++i, --o)
stack[o] = pStack[i];
typedef int (* FunctionCall )( sal_uInt32, sal_uInt32, sal_uInt32, sal_uInt32 );
FunctionCall pFunc = (FunctionCall)pMethod;
asm volatile("fldd %0, %%fr4" : : "m"(pFPR[0]) : "fr4");
asm volatile("fldd %0, %%fr5" : : "m"(pFPR[1]) : "fr5");
asm volatile("fldd %0, %%fr6" : : "m"(pFPR[2]) : "fr6");
asm volatile("fldd %0, %%fr7" : : "m"(pFPR[3]) : "fr7");
asm volatile("ldw %0, %%r28" : : "m"(pRegisterReturn) : "r28");
(*pFunc)(pGPR[0], pGPR[1], pGPR[2], pGPR[3]);
register sal_uInt32 r29 __asm__("%r29");
MapReturn(r28, r29, pReturnTypeDescr, bRegisterReturn, (sal_uInt32*)pRegisterReturn);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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