Dmitry V. Levin
92e347b556
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44 lines
929 B
Bash
Executable File
44 lines
929 B
Bash
Executable File
#!/bin/sh
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#
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# Check decoding of SPARC-specific kern_features syscall.
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#
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# Copyright (c) 2018 The strace developers.
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# All rights reserved.
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#
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# SPDX-License-Identifier: GPL-2.0-or-later
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. "${srcdir=.}/scno_tampering.sh"
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run_prog ../kern_features > /dev/null
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prog="$args"
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fault_args='-a16 -e trace=kern_features -e inject=kern_features:retval='
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test_run_rval()
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{
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local run rval
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run="$1"; shift
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rval="$1"; shift
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run_strace $fault_args$rval $prog $run > "$EXP"
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match_diff "$LOG" "$EXP"
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}
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test_run_rval 0 0
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test_run_rval 1 1
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test_run_rval 2 2
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test_run_rval 3 2147483646 # 0x7ffffffe
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test_run_rval 4 2147483647 # 0x7fffffff
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exit 0 # injecting retval < 0 not supported yet
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case "$SIZEOF_KERNEL_LONG_T" in
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4)
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test_run_rval 5 3735943886 # 0xdeadface
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test_run_rval 6 4294967295 # 0xffffffff
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;;
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8)
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test_run_rval 5 13464652301225294542 # 0xbadc0deddeadface
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test_run_rval 6 18446744073709551615 # 0xffffffffffffffff
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;;
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esac
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