| author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
| Fri, 16 Apr 2010 16:46:38 +0300 | |
| changeset 18 | 47c74d1534e1 |
| parent 0 | e4d67989cc36 |
| child 44 | 97b0fb8a2cc2 |
| child 45 | 4b03adbd26ca |
| permissions | -rw-r--r-- |
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47c74d1534e1
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/* |
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* Copyright (c) 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 "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.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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// Currently, SUN CC requires object file |
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#if defined (__GNUC__) |
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/* |
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** int _STLP_atomic_exchange (__stl_atomic_t *pvalue, __stl_atomic_t value) |
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*/ |
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# if defined(__sparc_v9__) || defined (__sparcv9) |
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# ifdef __arch64__ |
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# define _STLP_EXCH_ASM asm volatile ("casx [%3], %4, %0 ; membar #LoadLoad | #LoadStore " : \
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"=r" (_L_value2), "=m" (*_L_pvalue1) : \ |
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"m" (*_L_pvalue1), "r" (_L_pvalue1), "r" (_L_value1), "0" (_L_value2) ) |
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# else /* __arch64__ */ |
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# define _STLP_EXCH_ASM asm volatile ("cas [%3], %4, %0" : \
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"=r" (_L_value2), "=m" (*_L_pvalue1) : \ |
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"m" (*_L_pvalue1), "r" (_L_pvalue1), "r" (_L_value1), "0" (_L_value2) ) |
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# endif |
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# else /* __sparc_v9__ */ |
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# define _STLP_EXCH_ASM asm volatile ("swap [%3], %0 " : \
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"=r" (_L_value2), "=m" (*_L_pvalue1) : \ |
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"m" (*_L_pvalue1), "r" (_L_pvalue1), "0" (_L_value2) ) |
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# endif |
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# define _STLP_ATOMIC_EXCHANGE(__pvalue1, __value2) \ |
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({ register volatile __stl_atomic_t *_L_pvalue1 = __pvalue1; \
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register __stl_atomic_t _L_value1, _L_value2 = __value2 ; \ |
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do { _L_value1 = *_L_pvalue1; _STLP_EXCH_ASM; } while ( _L_value1 != _L_value2 ) ; \
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_L_value1; }) |
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# define _STLP_ATOMIC_INCREMENT(__pvalue1) \ |
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({ register volatile __stl_atomic_t *_L_pvalue1 = __pvalue1; \
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register __stl_atomic_t _L_value1, _L_value2; \ |
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do { _L_value1 = *_L_pvalue1; _L_value2 = _L_value1+1; _STLP_EXCH_ASM; } while ( _L_value1 != _L_value2 ) ; \
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(_L_value2 + 1); }) |
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# define _STLP_ATOMIC_DECREMENT(__pvalue1) \ |
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({ register volatile __stl_atomic_t *_L_pvalue1 = __pvalue1; \
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register __stl_atomic_t _L_value1, _L_value2; \ |
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do { _L_value1 = *_L_pvalue1; _L_value2 = _L_value1-1; _STLP_EXCH_ASM; } while ( _L_value1 != _L_value2 ) ; \
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(_L_value2 - 1); }) |
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# elif ! defined (_STLP_NO_EXTERN_INLINE) |
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extern "C" __stl_atomic_t _STLP_atomic_exchange(__stl_atomic_t * __x, __stl_atomic_t __v); |
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extern "C" void _STLP_atomic_decrement(__stl_atomic_t* i); |
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extern "C" void _STLP_atomic_increment(__stl_atomic_t* i); |
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# define _STLP_ATOMIC_INCREMENT(__x) _STLP_atomic_increment((__stl_atomic_t*)__x) |
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# define _STLP_ATOMIC_DECREMENT(__x) _STLP_atomic_decrement((__stl_atomic_t*)__x) |
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# define _STLP_ATOMIC_EXCHANGE(__x, __y) _STLP_atomic_exchange((__stl_atomic_t*)__x, (__stl_atomic_t)__y) |
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# endif |
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