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Re: [PATCH 08/19] nptl: arm: Fix Race conditions in pthread cancellation (BZ#12683)
On Tue, 12 Dec 2017, Adhemerval Zanella wrote:
> So I am not sure we need all the CFI directives to enable cancellation work
> on ARM (at least current syscall wrappers which use C version of
> {INLINE,INTERNAL}_SYSCALL are not generating them).
The cfi_* on ARM are for debugging, not for cancellation (and so to get
corresponding output from the compiler you'd need to compile with -g).
ARM uses ".cfi_sections .debug_frame".
--
Joseph S. Myers
joseph@codesourcery.com