xref: /aosp_15_r20/external/strace/tests-m32/prctl-spec-inject.test (revision cf84ac9a129d8ea9952db616b4e9b904c4bdde56)

#!/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.
#
# 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,
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# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

. "${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"
	LC_ALL=C grep -Ev '^prctl\(PR_[GS]ET_([^S][^P][^E][^C]])' \
		< "$LOG" > "$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"