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xtensa: provide dummy gcc intrinsics
__xtensa_libgcc_window_spill is needed for __builtin_return_address(1), but its libgcc implementation cannot be used as it makes a syscall. Atomic intrinsics are used by single staging driver. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
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@ -74,8 +74,25 @@ EXPORT_SYMBOL(__umodsi3);
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EXPORT_SYMBOL(__udivdi3);
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EXPORT_SYMBOL(__umoddi3);
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EXPORT_SYMBOL(__ucmpdi2);
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void __xtensa_libgcc_window_spill(void)
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{
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BUG();
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}
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EXPORT_SYMBOL(__xtensa_libgcc_window_spill);
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unsigned long __sync_fetch_and_and_4(unsigned long *p, unsigned long v)
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{
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BUG();
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}
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EXPORT_SYMBOL(__sync_fetch_and_and_4);
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unsigned long __sync_fetch_and_or_4(unsigned long *p, unsigned long v)
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{
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BUG();
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}
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EXPORT_SYMBOL(__sync_fetch_and_or_4);
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#ifdef CONFIG_NET
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/*
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* Networking support
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