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Szabolcs Nagy 9885d13b66 aarch64: Add GCS support for setcontext 
Userspace ucontext needs to store GCSPR, it does not have to be
compatible with the kernel ucontext. For now we use the linux
struct gcs_context layout but only use the gcspr field from it.

Similar implementation to the longjmp code, supports switching GCS
if the target GCS is capped, and unwinding a continuous GCS to a
previous state.

Reviewed-by: Wilco Dijkstra <Wilco.Dijkstra@arm.com>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
 		2025-01-20 09:22:41 +00:00
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alpha Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
arm Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
bsd Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
i386 Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
inet
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mips Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
powerpc Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
sh Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
sysv/linux aarch64: Add GCS support for setcontext 2025-01-20 09:22:41 +00:00
x86_64 Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
Implies
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Makefile Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
confstr.h
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get_child_max.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
getlogin.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
getlogin_r.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
getpagesize.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
grantpt.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
ifreq.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
make-syscalls.sh
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setxid.h
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sockatmark.c Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
syscall-template.S Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
syscall.S Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00
syscalls.list
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sysdep.h Update copyright dates with scripts/update-copyrights 2025-01-01 11:22:09 -08:00