author | William Roberts <williamr@symbian.org> |
Tue, 16 Mar 2010 16:12:26 +0000 | |
branch | Symbian2 |
changeset 2 | 2fe1408b6811 |
parent 0 | 061f57f2323e |
child 4 | 837f303aceeb |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.symbianfoundation.org/legal/licencesv10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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|
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/** |
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@file |
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@publishedAll |
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@released |
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*/ |
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|
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#ifndef __IEEE_BIG_ENDIAN |
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#ifndef __IEEE_LITTLE_ENDIAN |
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|
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/** |
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EPOC safety net - Check various EPOC defines to ensure that |
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we get an appropriate endianness choice |
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*/ |
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#if (defined(__WINS__) || defined(__MX86__)) && !defined(__i386__) |
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#define __i386__ |
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#elif defined(__MARM__) && !defined(__arm__) |
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#define __arm__ |
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#endif |
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|
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#ifdef __arm__ |
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#ifdef __EABI__ |
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/** |
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EABI supports the VFP specification, where the ordering of the words |
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matches the endianness. |
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*/ |
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#define __IEEE_LITTLE_ENDIAN |
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#else |
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/** |
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Pre-VFP, ARM used the big endian ordering of the words, regardless of |
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the endianess. |
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*/ |
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#define __IEEE_BIG_ENDIAN |
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#endif |
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#endif |
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|
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#ifdef __hppa__ |
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|
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#define __IEEE_BIG_ENDIAN |
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#endif |
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|
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#ifdef __sparc__ |
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|
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#define __IEEE_BIG_ENDIAN |
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#endif |
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|
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#if defined(__m68k__) || defined(__mc68000__) |
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|
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#define __IEEE_BIG_ENDIAN |
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#endif |
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|
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#if defined (__H8300__) || defined (__H8300H__) |
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|
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#define __IEEE_BIG_ENDIAN |
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#define __SMALL_BITFIELDS |
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#define _DOUBLE_IS_32BITS |
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#endif |
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|
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#ifdef __H8500__ |
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|
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#define __IEEE_BIG_ENDIAN |
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#define __SMALL_BITFIELDS |
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#define _DOUBLE_IS_32BITS |
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#endif |
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|
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#ifdef __sh__ |
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#ifdef __LITTLE_ENDIAN__ |
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|
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#define __IEEE_LITTLE_ENDIAN |
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#else |
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#define __IEEE_BIG_ENDIAN |
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#endif |
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#ifdef __SH3E__ |
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|
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#define _DOUBLE_IS_32BITS |
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#endif |
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#endif |
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|
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#ifdef _AM29K |
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|
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#define __IEEE_BIG_ENDIAN |
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#endif |
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|
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/* Added "&& !defined(__arm__)" to avoid the duplicate definition of the |
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__ieee_[float|double]_shape_type structures in stdlib\LINC\IEEEFP.h |
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conditionally compiled using the __IEEE_LITTLE_ENDIAN && __IEEE_BIG_ENDIAN |
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in GCCXML builds. This is a work around as we can't get gccxml to stop |
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defining __i386__ as it's defined in the "<built-in>" header file of the |
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compiler. |
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*/ |
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#if defined(__i386__) && !defined(__arm__) |
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|
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#define __IEEE_LITTLE_ENDIAN |
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#endif |
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|
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#ifdef __i960__ |
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|
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#define __IEEE_LITTLE_ENDIAN |
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#endif |
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|
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#ifdef __MIPSEL__ |
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|
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#define __IEEE_LITTLE_ENDIAN |
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#endif |
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#ifdef __MIPSEB__ |
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|
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#define __IEEE_BIG_ENDIAN |
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#endif |
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|
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/** |
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necv70 was __IEEE_LITTLE_ENDIAN. |
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*/ |
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|
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#ifdef __W65__ |
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|
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#define __IEEE_LITTLE_ENDIAN |
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#define __SMALL_BITFIELDS |
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#define _DOUBLE_IS_32BITS |
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#endif |
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|
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#if defined(__Z8001__) || defined(__Z8002__) |
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|
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#define __IEEE_BIG_ENDIAN |
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#endif |
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|
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#ifdef __m88k__ |
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|
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#define __IEEE_BIG_ENDIAN |
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#endif |
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|
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#ifdef __v800 |
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|
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#define __IEEE_LITTLE_ENDIAN |
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#endif |
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|
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#ifdef __PPC__ |
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#ifdef _BIG_ENDIAN |
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|
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#define __IEEE_BIG_ENDIAN |
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#else |
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|
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#define __IEEE_LITTLE_ENDIAN |
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#endif |
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#endif |
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|
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#ifdef __mcore__ |
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|
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#define __IEEE_LITTLE_ENDIAN /* always little-endian M*Core for EPOC */ |
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#endif |
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|
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#ifndef __IEEE_BIG_ENDIAN |
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#ifndef __IEEE_LITTLE_ENDIAN |
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#error Endianess not declared!! |
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#endif /* not __IEEE_LITTLE_ENDIAN */ |
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#endif /* not __IEEE_BIG_ENDIAN */ |
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|
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#endif /* not __IEEE_LITTLE_ENDIAN */ |
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#endif /* not __IEEE_BIG_ENDIAN */ |