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101 lines
3.1 KiB
101 lines
3.1 KiB
4 months ago
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#!/bin/sh
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#
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# Ensure that strace -k works.
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#
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# Copyright (c) 2014 Masatake YAMATO <yamato@redhat.com>
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# Copyright (c) 2014-2016 Dmitry V. Levin <ldv@altlinux.org>
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# Copyright (c) 2014-2018 The strace developers.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. The name of the author may not be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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. "${srcdir=.}/init.sh"
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# strace -k is implemented using /proc/$pid/maps
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[ -f /proc/self/maps ] ||
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framework_skip_ '/proc/self/maps is not available'
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check_prog grep
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check_prog sed
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check_prog tr
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run_prog "${test_prog=../stack-fcall}"
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run_strace -e getpid -k $args
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expected="$srcdir/$NAME.expected"
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awk '
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/^[^ ]/ {
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if (out != "")
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print out
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syscall = gensub(/^([[:alnum:]_]+)\(.*/, "\\1", 1)
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signal = gensub(/^--- ([A-Z]+) .*/, "\\1", 1)
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if (syscall != $0) {
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out = syscall
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stop = 0
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} else if (signal != $0) {
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out = signal
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stop = 0
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} else {
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out = ""
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}
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}
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/^ >[^(]+\(([^+]+)\+0x[a-f0-9]+\) / && !stop {
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sym = gensub(/^ >[^(]+\(([^+]+)\+0x[a-f0-9]+\) .*$/, "\\1", 1)
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out = out " " sym
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if (sym == "main")
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stop = 1
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}' "$LOG" > "$OUT"
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LC_ALL=C grep -E -x -f "$expected" < "$OUT" > /dev/null || {
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cat >&2 <<__EOF__
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Failed pattern of expected output:
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$(cat "$expected")
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Actual output:
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$(cat "$OUT")
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__EOF__
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pattern=
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case "$STRACE_ARCH" in
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aarch64|i386|ppc*|s390*|sparc*|x32|x86*)
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# These architectures are supported by elfutils libdw,
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# see grep '\<HOOK\>.*\<abi_cfi\>' elfutils/backends
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;;
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arm) pattern='No DWARF information found'
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# This is also supported by elfutils libdw
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# but the latter needs debuginfo for unwinding.
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;;
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*) pattern='Unwinding not supported for this architecture'
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;;
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esac
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if [ -n "$pattern" ] &&
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LC_ALL=C grep -x " > $pattern" < "$LOG" > /dev/null; then
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cat < "$LOG" >&2
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skip_ "stack tracing is not fully supported on $STRACE_ARCH yet"
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fi
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dump_log_and_fail_with "$STRACE $args output mismatch"
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}
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