diff options
| author | Max Filippov <jcmvbkbc@gmail.com> | 2012-09-17 05:44:57 +0400 |
|---|---|---|
| committer | Chris Zankel <chris@zankel.net> | 2012-10-03 15:12:56 -0700 |
| commit | 6907b4564b77cd8a468716ea39dc152e48f03538 (patch) | |
| tree | 87841532c30f8888a3f3399c11dba7a00a90f099 /arch/xtensa | |
| parent | d3738f407c8ced4fd17dccf6cce729023c735c73 (diff) | |
| download | lwn-6907b4564b77cd8a468716ea39dc152e48f03538.tar.gz lwn-6907b4564b77cd8a468716ea39dc152e48f03538.zip | |
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>
Diffstat (limited to 'arch/xtensa')
| -rw-r--r-- | arch/xtensa/kernel/xtensa_ksyms.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/xtensa/kernel/xtensa_ksyms.c b/arch/xtensa/kernel/xtensa_ksyms.c index 88fe2f2f376d..a8b9f1fd1e17 100644 --- a/arch/xtensa/kernel/xtensa_ksyms.c +++ b/arch/xtensa/kernel/xtensa_ksyms.c @@ -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 |