kselftest: arm64: add helper get_current_context
authorCristian Marussi <cristian.marussi@arm.com>
Fri, 25 Oct 2019 17:57:11 +0000 (18:57 +0100)
committerCatalin Marinas <catalin.marinas@arm.com>
Fri, 8 Nov 2019 11:10:41 +0000 (11:10 +0000)
commit34306b05d3106447c87d29d262e824ca4a30c569
tree3f0260b3905cab5a49da8e07d0ffa0bec90a1d34
parent837387a2cbc719667822856beabac127921a36c4
kselftest: arm64: add helper get_current_context

Introduce a new common utility function get_current_context() which can be
used to grab a ucontext without the help of libc, and also to detect if
such ucontext has been successfully used by placing it on the stack as a
fake sigframe.

Reviewed-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
tools/testing/selftests/arm64/signal/test_signals.h
tools/testing/selftests/arm64/signal/test_signals_utils.c
tools/testing/selftests/arm64/signal/test_signals_utils.h