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#!/bin/sh -efu
#
# Check decoding of PR_SET_SPECULATION_CTRL and PR_GET_SPECULATION_CTRL
# prctl operations.
#
# Copyright (c) 2018 The strace developers.
# All rights reserved.
#
# SPDX-License-Identifier: GPL-2.0-or-later
. "${srcdir=.}/scno_tampering.sh"
fault_args='-a53 -e trace=prctl -e inject=prctl:'
prog="../$NAME"
test_run_rval()
{
local run rval injexpr
run="$1"; shift
rval="$1"; shift
injexpr="$1"; shift
run_strace $fault_args$injexpr $prog $rval > "$EXP"
sed '0,/^prctl(0xffffffff \/\* PR_??? \*\/, 0xfffffffe, 0xfffffffd, 0xfffffffc, 0xfffffffb) = .\+ (INJECTED)/d' < "$LOG" > "$OUT"
match_diff "$OUT" "$EXP"
}
test_run_rval 0 -1 "error=ENOTTY"
test_run_rval 1 0 "retval=0"
test_run_rval 2 1 "retval=1"
test_run_rval 3 3 "retval=3"
test_run_rval 4 8 "retval=8"
test_run_rval 5 16 "retval=16"
test_run_rval 6 42 "retval=42"
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