williamr@2: /*
williamr@2: * Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
williamr@2: * All rights reserved.
williamr@2: * This component and the accompanying materials are made available
williamr@4: * under the terms of "Eclipse Public License v1.0"
williamr@2: * which accompanies this distribution, and is available
williamr@4: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
williamr@2: *
williamr@2: * Initial Contributors:
williamr@2: * Nokia Corporation - initial contribution.
williamr@2: *
williamr@2: * Contributors:
williamr@2: *
williamr@2: * Description:
williamr@2: *
williamr@2: */
williamr@2: 
williamr@2: 
williamr@2: 
williamr@2: /**
williamr@2:  @file
williamr@2:  @publishedAll
williamr@2:  @released
williamr@2: */
williamr@2: 
williamr@2: #ifndef __IEEE_BIG_ENDIAN
williamr@2: #ifndef __IEEE_LITTLE_ENDIAN
williamr@2: 
williamr@2: /**
williamr@2: EPOC safety net - Check various EPOC defines to ensure that
williamr@2: we get an appropriate endianness choice
williamr@2: */
williamr@4: #if (defined(__WINS__) || defined(__MX86__) || defined(__X86GCC__)) && !defined(__i386__)
williamr@2: #define __i386__
williamr@2: #elif defined(__MARM__) && !defined(__arm__)
williamr@2: #define __arm__
williamr@2: #endif
williamr@2: 
williamr@2: #ifdef __arm__
williamr@2: 	#ifdef __EABI__
williamr@2: 	/**
williamr@2: 	EABI supports the VFP specification, where the ordering of the words
williamr@2: 	matches the endianness.
williamr@2: 	*/
williamr@2: 	#define __IEEE_LITTLE_ENDIAN
williamr@2: #else
williamr@2: 	/** 
williamr@2: 	Pre-VFP, ARM used the big endian ordering of the words, regardless of
williamr@2: 	the endianess. 
williamr@2: 	*/
williamr@2: 	#define __IEEE_BIG_ENDIAN
williamr@2: 	#endif
williamr@2: #endif
williamr@2: 
williamr@2: #ifdef __hppa__
williamr@2: 
williamr@2: #define __IEEE_BIG_ENDIAN
williamr@2: #endif
williamr@2: 
williamr@2: #ifdef __sparc__
williamr@2: 
williamr@2: #define __IEEE_BIG_ENDIAN
williamr@2: #endif
williamr@2: 
williamr@2: #if defined(__m68k__) || defined(__mc68000__)
williamr@2: 
williamr@2: #define __IEEE_BIG_ENDIAN
williamr@2: #endif
williamr@2: 
williamr@2: #if defined (__H8300__) || defined (__H8300H__)
williamr@2: 
williamr@2: #define __IEEE_BIG_ENDIAN
williamr@2: #define __SMALL_BITFIELDS
williamr@2: #define _DOUBLE_IS_32BITS
williamr@2: #endif
williamr@2: 
williamr@2: #ifdef __H8500__
williamr@2: 
williamr@2: #define __IEEE_BIG_ENDIAN
williamr@2: #define __SMALL_BITFIELDS
williamr@2: #define _DOUBLE_IS_32BITS
williamr@2: #endif
williamr@2: 
williamr@2: #ifdef __sh__
williamr@2: #ifdef __LITTLE_ENDIAN__
williamr@2: 
williamr@2: #define __IEEE_LITTLE_ENDIAN
williamr@2: #else
williamr@2: #define __IEEE_BIG_ENDIAN
williamr@2: #endif
williamr@2: #ifdef __SH3E__
williamr@2: 
williamr@2: #define _DOUBLE_IS_32BITS
williamr@2: #endif
williamr@2: #endif
williamr@2: 
williamr@2: #ifdef _AM29K
williamr@2: 
williamr@2: #define __IEEE_BIG_ENDIAN
williamr@2: #endif
williamr@2: 
williamr@2: /* Added "&& !defined(__arm__)" to avoid the duplicate definition of the
williamr@2:    __ieee_[float|double]_shape_type structures in stdlib\LINC\IEEEFP.h 
williamr@2:    conditionally compiled using the __IEEE_LITTLE_ENDIAN && __IEEE_BIG_ENDIAN 
williamr@2:    in GCCXML builds. This is a work around as we can't get gccxml to stop 
williamr@2:    defining __i386__ as it's defined in the "<built-in>" header file of the 
williamr@2:    compiler.
williamr@2: */
williamr@2: #if defined(__i386__) && !defined(__arm__)
williamr@2: 
williamr@2: #define __IEEE_LITTLE_ENDIAN
williamr@2: #endif
williamr@2: 
williamr@2: #ifdef __i960__
williamr@2: 
williamr@2: #define __IEEE_LITTLE_ENDIAN
williamr@2: #endif
williamr@2: 
williamr@2: #ifdef __MIPSEL__
williamr@2: 
williamr@2: #define __IEEE_LITTLE_ENDIAN
williamr@2: #endif
williamr@2: #ifdef __MIPSEB__
williamr@2: 
williamr@2: #define __IEEE_BIG_ENDIAN
williamr@2: #endif
williamr@2: 
williamr@2: /**
williamr@2: necv70 was __IEEE_LITTLE_ENDIAN. 
williamr@2: */
williamr@2: 
williamr@2: #ifdef __W65__
williamr@2: 
williamr@2: #define __IEEE_LITTLE_ENDIAN
williamr@2: #define __SMALL_BITFIELDS
williamr@2: #define _DOUBLE_IS_32BITS
williamr@2: #endif
williamr@2: 
williamr@2: #if defined(__Z8001__) || defined(__Z8002__)
williamr@2: 
williamr@2: #define __IEEE_BIG_ENDIAN
williamr@2: #endif
williamr@2: 
williamr@2: #ifdef __m88k__
williamr@2: 
williamr@2: #define __IEEE_BIG_ENDIAN
williamr@2: #endif
williamr@2: 
williamr@2: #ifdef __v800
williamr@2: 
williamr@2: #define __IEEE_LITTLE_ENDIAN
williamr@2: #endif
williamr@2: 
williamr@2: #ifdef __PPC__
williamr@2: #ifdef _BIG_ENDIAN
williamr@2: 
williamr@2: #define __IEEE_BIG_ENDIAN
williamr@2: #else
williamr@2: 
williamr@2: #define __IEEE_LITTLE_ENDIAN
williamr@2: #endif
williamr@2: #endif
williamr@2: 
williamr@2: #ifdef __mcore__
williamr@2: 
williamr@2: #define __IEEE_LITTLE_ENDIAN	/* always little-endian M*Core for EPOC */
williamr@2: #endif
williamr@2: 
williamr@2: #ifndef __IEEE_BIG_ENDIAN
williamr@2: #ifndef __IEEE_LITTLE_ENDIAN
williamr@2: #error Endianess not declared!!
williamr@2: #endif /* not __IEEE_LITTLE_ENDIAN */
williamr@2: #endif /* not __IEEE_BIG_ENDIAN */
williamr@2: 
williamr@2: #endif /* not __IEEE_LITTLE_ENDIAN */
williamr@2: #endif /* not __IEEE_BIG_ENDIAN */
williamr@4: