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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* 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/.
*/
#include <com/sun/star/uno/genfunc.hxx>
#include <uno/data.h>
#include <typelib/typedescription.hxx>
#include "types.hxx"
#include "abi.hxx"
#include <stdio.h>
#include <cstring>
//#define BRIDGE_DEBUG
namespace abi_riscv64
{
void countnGreg(sal_Int32& nGreg, sal_Int32& nFreg,
const typelib_CompoundTypeDescription* pTypeDescr)
{
for (int i = 0; i < pTypeDescr->nMembers; i++)
{
typelib_TypeDescriptionReference* pTypeInStruct = pTypeDescr->ppTypeRefs[i];
switch (pTypeInStruct->eTypeClass)
{
case typelib_TypeClass_STRUCT:
case typelib_TypeClass_EXCEPTION:
{
typelib_TypeDescription* childTypeDescr = nullptr;
TYPELIB_DANGER_GET(&childTypeDescr, pTypeInStruct);
countnGreg(
nGreg, nFreg,
reinterpret_cast<typelib_CompoundTypeDescription const*>(childTypeDescr));
TYPELIB_DANGER_RELEASE(childTypeDescr);
}
break;
case typelib_TypeClass_FLOAT:
case typelib_TypeClass_DOUBLE:
nFreg++;
break;
default:
nGreg++;
break;
}
}
}
void fillStruct(const typelib_TypeDescription* pTypeDescr, sal_Int64* gret, double* fret,
void* pRegisterReturn)
{
#ifdef BRIDGE_DEBUG
printf("In fillStruct, pTypeDescr = %p, gret = %p, fret = %p, pRegisterReturn = %p\n",
pTypeDescr, gret, fret, pRegisterReturn);
#endif
sal_Int32 nGreg = 0;
sal_Int32 nFreg = 0;
countnGreg(nGreg, nFreg, reinterpret_cast<typelib_CompoundTypeDescription const*>(pTypeDescr));
char* pAdjust = reinterpret_cast<char*>(pRegisterReturn);
if (nGreg == 0 && nFreg <= 2)
{
if (pTypeDescr->nSize <= 8 && nFreg == 2)
{
std::memcpy(pAdjust, fret, 4);
std::memcpy(pAdjust + 4, fret + 1, 4);
}
else
{
std::memcpy(pAdjust, fret, 16);
}
}
else if (nFreg == 1 && nGreg == 1)
{
if (pTypeDescr->nSize > 8)
{
std::memcpy(pAdjust, gret, 8);
std::memcpy(pAdjust + 8, fret, 8);
}
else
{
std::memcpy(pAdjust, gret, 4);
std::memcpy(pAdjust + 4, fret, 4);
}
}
else
{
std::memcpy(pAdjust, gret, 16);
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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