#!/bin/sh
|
#
|
# Ensure that strace -k works.
|
#
|
# Copyright (c) 2014 Masatake YAMATO <yamato@redhat.com>
|
# Copyright (c) 2014-2016 Dmitry V. Levin <ldv@altlinux.org>
|
# Copyright (c) 2014-2018 The strace developers.
|
# 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.
|
|
. "${srcdir=.}/init.sh"
|
|
# strace -k is implemented using /proc/$pid/maps
|
[ -f /proc/self/maps ] ||
|
framework_skip_ '/proc/self/maps is not available'
|
|
check_prog grep
|
check_prog sed
|
check_prog tr
|
|
run_prog "${test_prog=../stack-fcall}"
|
run_strace -e getpid -k $args
|
|
expected="$srcdir/$NAME.expected"
|
awk '
|
/^[^ ]/ {
|
if (out != "")
|
print out
|
|
syscall = gensub(/^([[:alnum:]_]+)\(.*/, "\\1", 1)
|
signal = gensub(/^--- ([A-Z]+) .*/, "\\1", 1)
|
|
if (syscall != $0) {
|
out = syscall
|
stop = 0
|
} else if (signal != $0) {
|
out = signal
|
stop = 0
|
} else {
|
out = ""
|
}
|
}
|
|
/^ >[^(]+\(([^+]+)\+0x[a-f0-9]+\) / && !stop {
|
sym = gensub(/^ >[^(]+\(([^+]+)\+0x[a-f0-9]+\) .*$/, "\\1", 1)
|
out = out " " sym
|
if (sym == "main")
|
stop = 1
|
}' "$LOG" > "$OUT"
|
|
LC_ALL=C grep -E -x -f "$expected" < "$OUT" > /dev/null || {
|
cat >&2 <<__EOF__
|
Failed pattern of expected output:
|
$(cat "$expected")
|
Actual output:
|
$(cat "$OUT")
|
__EOF__
|
|
pattern=
|
case "$STRACE_ARCH" in
|
aarch64|i386|ppc*|s390*|sparc*|x32|x86*)
|
# These architectures are supported by elfutils libdw,
|
# see grep '\<HOOK\>.*\<abi_cfi\>' elfutils/backends
|
;;
|
arm) pattern='No DWARF information found'
|
# This is also supported by elfutils libdw
|
# but the latter needs debuginfo for unwinding.
|
;;
|
*) pattern='Unwinding not supported for this architecture'
|
;;
|
esac
|
if [ -n "$pattern" ] &&
|
LC_ALL=C grep -x " > $pattern" < "$LOG" > /dev/null; then
|
cat < "$LOG" >&2
|
skip_ "stack tracing is not fully supported on $STRACE_ARCH yet"
|
fi
|
|
dump_log_and_fail_with "$STRACE $args output mismatch"
|
}
|
