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SubjectRe: [PATCH 24/25] arm64:ilp32: add vdso-ilp32 and use for signal return
On Wed, Apr 06, 2016 at 01:08:46AM +0300, Yury Norov wrote:
> ILP32 VDSO exports next symbols:
> __kernel_rt_sigreturn;
> __kernel_gettimeofday;
> __kernel_clock_gettime;
> __kernel_clock_getres;

[...]

> +$(obj)/gettimeofday-ilp32.o: $(src)/../vdso/gettimeofday.S
> + $(call if_changed_dep,vdso-ilp32as)

Are struct timeval and timespec the same between ILP32 and LP64? For
example, __kernel_gettimeofday() assumes TVAL_TV_SEC offset defined in
asm-offsets.c based on the LP64 timeval.

> +$(obj)/sigreturn-ilp32.o: $(src)/../vdso/sigreturn.S
> + $(call if_changed_dep,vdso-ilp32as)

This one should be fine because ILP32 uses the same generic
__NR_rt_sigreturn syscall number.

--
Catalin

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