1#!/bin/sh
2#
3# Skip the test if arch+kernel combination is not supported.
4#
5# Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
6# All rights reserved.
7#
8# Redistribution and use in source and binary forms, with or without
9# modification, are permitted provided that the following conditions
10# are met:
11# 1. Redistributions of source code must retain the above copyright
12#    notice, this list of conditions and the following disclaimer.
13# 2. Redistributions in binary form must reproduce the above copyright
14#    notice, this list of conditions and the following disclaimer in the
15#    documentation and/or other materials provided with the distribution.
16# 3. The name of the author may not be used to endorse or promote products
17#    derived from this software without specific prior written permission.
18#
19# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29
30. "${srcdir=.}/init.sh"
31
32uname_r="$(uname -r)"
33case "$STRACE_ARCH" in
34	arm)
35		# PTRACE_SET_SYSCALL is supported by linux kernel
36		# starting with commit v2.6.16-rc1~107^2.
37		require_min_kernel_version_or_skip 2.6.16 ;;
38	aarch64)
39		# NT_ARM_SYSTEM_CALL regset is supported by linux kernel
40		# starting with commit v3.19-rc1~59^2~16.
41		require_min_kernel_version_or_skip 3.19 ;;
42	hppa)
43		# Syscall number and return value modification did not work
44		# properly before commit v4.5-rc7~31^2~1.
45		require_min_kernel_version_or_skip 4.5 ;;
46	sparc*)
47		# Reloading the syscall number from %g1 register is supported
48		# by linux kernel starting with commit v4.5-rc7~35^2~3.
49		require_min_kernel_version_or_skip 4.5 ;;
50	mips)
51		# Only the native ABI is supported by the kernel properly, see
52		# https://sourceforge.net/p/strace/mailman/message/35587571/
53		uname_m="$(uname -m)"
54		case "$MIPS_ABI:$uname_m" in
55			o32:mips|n64:mips64) ;;
56			*) skip_ "$MIPS_ABI scno tampering does not work on $uname_m yet" ;;
57		esac ;;
58esac
59