From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stefano Brivio <sbrivio@redhat.com>
To: passt-dev@passt.top
Subject:
 [PATCH 3/7] seccomp.sh: Handle syscall number defines in the (x + y) form
Date: Sat, 26 Feb 2022 23:56:42 +0100
Message-ID: <20220226225646.1905417-4-sbrivio@redhat.com>
In-Reply-To: <20220226225646.1905417-1-sbrivio@redhat.com>
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This is the case at least for current glibc headers on armv6l and
armv7l.

Signed-off-by: Stefano Brivio <sbrivio(a)redhat.com>
---
 seccomp.sh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/seccomp.sh b/seccomp.sh
index f5ee98e..6ac59a1 100755
--- a/seccomp.sh
+++ b/seccomp.sh
@@ -109,6 +109,9 @@ syscall_nr() {
 	__in=3D"$(printf "#include <asm-generic/unistd.h>\n#include <sys/syscall.h>=
\n__NR_%s" ${1})"
 	__out=3D"$(echo "${__in}" | cc -E -xc - -o - | tail -1)"
 	[ "${__out}" =3D "__NR_$1" ] && return 1
+
+	# Output might be in the form "(x + y)" (seen on armv6l, armv7l)
+	__out=3D"$(eval echo $((${__out})))"
 	echo "${__out}"
 }
=20
--=20
2.34.1


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