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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#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 <bridge.hxx>
#include <types.hxx>
#include <unointerfaceproxy.hxx>
#include <vtables.hxx>
#include "share.hxx"
#include <stdio.h>
#include <string.h>
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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