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#!/bin/sh
#
# Skip the test if arch+kernel combination is not supported.
#
# Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
# Copyright (c) 2016-2018 The strace developers.
# All rights reserved.
#
# SPDX-License-Identifier: GPL-2.0-or-later
. "${srcdir=.}/init.sh"
uname_r="$(uname -r)"
case "$STRACE_ARCH" in
arm)
# PTRACE_SET_SYSCALL is supported by linux kernel
# starting with commit v2.6.16-rc1~107^2.
require_min_kernel_version_or_skip 2.6.16 ;;
aarch64)
# NT_ARM_SYSTEM_CALL regset is supported by linux kernel
# starting with commit v3.19-rc1~59^2~16.
require_min_kernel_version_or_skip 3.19 ;;
hppa)
# Syscall number and return value modification did not work
# properly before commit v4.5-rc7~31^2~1.
require_min_kernel_version_or_skip 4.5 ;;
sparc*)
# Reloading the syscall number from %g1 register is supported
# by linux kernel starting with commit v4.5-rc7~35^2~3.
require_min_kernel_version_or_skip 4.5 ;;
mips)
# Only the native ABI is supported by the kernel properly, see
# https://lists.strace.io/pipermail/strace-devel/2017-January/005896.html
msg_prefix="mips $MIPS_ABI scno tampering does not work"
uname_m="$(uname -m)"
case "$MIPS_ABI:$uname_m" in
n64:mips64) ;;
o32:mips)
# is it really mips32?
if ../is_linux_mips_n64; then
skip_ "$msg_prefix on mips n64 yet"
fi
;;
*) skip_ "$msg_prefix on $uname_m yet" ;;
esac ;;
esac
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