16c6b86a73
2006/03/06 11:27:36 kendy 1.1.2.2: #i62810# x86-64 bridge improvements: more x86-64 ABI improvements 2006/03/06 11:25:23 kendy 1.1.2.1: #i62810# x86-64 bridge improvements: conform to x86-64 ABI
76 lines
2.7 KiB
C++
76 lines
2.7 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: abi.hxx,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: rt $ $Date: 2006-03-08 08:49:42 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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#ifndef _BRIDGES_CPP_UNO_X86_64_ABI_HXX_
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#define _BRIDGES_CPP_UNO_X86_64_ABI_HXX_
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// This is an implementation of the x86-64 ABI as described in 'System V
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// Application Binary Interface, AMD64 Architecture Processor Supplement'
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// (http://www.x86-64.org/documentation/abi-0.95.pdf)
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#include <typelib/typedescription.hxx>
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namespace x86_64
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{
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/* 6 general purpose registers are used for parameter passing */
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const sal_uInt32 MAX_GPR_REGS = 6;
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/* 8 SSE registers are used for parameter passing */
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const sal_uInt32 MAX_SSE_REGS = 8;
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/* Count number of required registers.
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Examine the argument and return set number of register required in each
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class.
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Return false iff parameter should be passed in memory.
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*/
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bool examine_argument( typelib_TypeDescriptionReference *pTypeRef, bool bInReturn, int &nUsedGPR, int &nUsedSSE );
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/** Does function that returns this type use a hidden parameter, or registers?
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The value can be returned either in a hidden 1st parameter (which is a
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pointer to a structure allocated by the caller), or in registers (rax, rdx
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for the integers, xmm0, xmm1 for the floating point numbers).
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*/
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bool return_in_hidden_param( typelib_TypeDescriptionReference *pTypeRef );
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void fill_struct( typelib_TypeDescriptionReference *pTypeRef, void * const *pGPR, void * const *pSSE, void *pStruct );
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} // namespace x86_64
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#endif // _BRIDGES_CPP_UNO_X86_64_ABI_HXX_
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