tests: skip fault injection tests on unsupported platforms

* tests/fault_injection.sh: New file.
* tests/Makefile.am (EXTRA_DIST): Add it.
* tests/fault_injection-exit_group.test: Use it.
* tests/fault_injection.test: Likewise.

tests/Makefile.am

@@ -851,6 +851,7 @@ EXTRA_DIST = init.sh run.sh match.awk \
 	     eventfd.expected \
 	     fadvise.h \
 	     fault_injection-exit_group.expected \
+	     fault_injection.sh \
 	     filter-unavailable.expected \
 	     fstatat.c \
 	     fstatx.c \

tests/fault_injection-exit_group.test

@@ -27,7 +27,7 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-. "${srcdir=.}/init.sh"
+. "${srcdir=.}/fault_injection.sh"
 
 test_with()
 {

tests/fault_injection.sh

@@ -0,0 +1,46 @@
+#!/bin/sh
+#
+# Skip the test if arch+kernel combination is not supported.
+#
+# Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+# 3. The name of the author may not be used to endorse or promote products
+#    derived from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+. "${srcdir=.}/init.sh"
+
+uname_r="$(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 ;;
+	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 ;;
+esac

tests/fault_injection.test

@@ -27,7 +27,7 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-. "${srcdir=.}/init.sh"
+. "${srcdir=.}/fault_injection.sh"
 
 #
 # F