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#! /bin/sh -efu
#
# Common code for strace --trace=all@pers tests.
#
# Copyright (c) 2018-2023 The strace developers.
# All rights reserved.
#
# SPDX-License-Identifier: GPL-2.0-or-later
. "${srcdir=.}/init.sh"
[ "$#" -eq 1 ] ||
fail_ 'No personality designation ("64", "32", "x32") specified'
target_pers="$1"
shift
trace_expr="all@$target_pers"
case "$STRACE_NATIVE_ARCH" in
x86_64)
native_pers='64'
supported_pers='64 32 x32'
;;
x32)
native_pers='x32'
supported_pers='x32 32'
;;
aarch64|powerpc64|s390x|sparc64|tile)
native_pers='64'
supported_pers='64 32'
;;
*)
native_pers=$((SIZEOF_LONG * 8))
supported_pers=$native_pers
;;
esac
pers_found=
for i in $supported_pers; do
if [ "$target_pers" = "$i" ]; then
pers_found=1
break
fi
done
[ -n "$pers_found" ] ||
skip_ "Personality '$target_pers' is not supported on architecture" \
"'$STRACE_NATIVE_ARCH' (supported personalities: $supported_pers)"
cur_pers=$(print_current_personality_designator)
if [ "$target_pers" = "$cur_pers" ]; then
skip_ "$trace_expr would match all syscalls on $STRACE_ARCH"
fi
if [ "$target_pers" != "$native_pers" ]; then
# reset $NAME, so that "$NAME.in" used by test_trace_expr
# would point to an empty file.
NAME=qualify_personality_empty
test_trace_expr '' --trace="$trace_expr"
exit
fi
if [ "$cur_pers:$target_pers" = 'x32:64' ]; then
skip_ "x32 executables may invoke $STRACE_NATIVE_ARCH syscalls"
fi
# $trace_expr would match the native execve
cat > "$EXP" <<'__EOF__'
execve(at)?\(.*
__EOF__
check_prog head
check_prog tail
while read -r t; do {
# skip lines beginning with "#" symbol
case "$t" in
''|'#'*) continue ;;
esac
try_run_prog "../$t" || continue
run_strace -qq -esignal=none --trace="$trace_expr" "../$t" > /dev/null
head -n1 < "$LOG" > "$OUT"
match_grep "$OUT" "$EXP"
tail -n +2 < "$LOG" > "$OUT"
match_diff "$OUT" /dev/null
} < /dev/null; done < "$srcdir/pure_executables.list"
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