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Commit 6907b456 authored by Max Filippov's avatar Max Filippov Committed by Chris Zankel
Browse files

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: default avatarMax Filippov <jcmvbkbc@gmail.com>
Signed-off-by: default avatarChris Zankel <chris@zankel.net>
parent d3738f40

arch/xtensa/kernel/xtensa_ksyms.c

+17 −0
Original line number Diff line number Diff line
@@ -74,8 +74,25 @@ EXPORT_SYMBOL(__umodsi3); 
EXPORT_SYMBOL(__udivdi3);

EXPORT_SYMBOL(__umoddi3);

EXPORT_SYMBOL(__ucmpdi2);



void __xtensa_libgcc_window_spill(void)

{

	BUG();

}

EXPORT_SYMBOL(__xtensa_libgcc_window_spill);



unsigned long __sync_fetch_and_and_4(unsigned long *p, unsigned long v)

{

	BUG();

}

EXPORT_SYMBOL(__sync_fetch_and_and_4);



unsigned long __sync_fetch_and_or_4(unsigned long *p, unsigned long v)

{

	BUG();

}

EXPORT_SYMBOL(__sync_fetch_and_or_4);



#ifdef CONFIG_NET

/*

 * Networking support