70 lines
1.7 KiB
Bash
Executable File
70 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
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# Script to validate NaCl binaries after linking.
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# Copyright (C) 2015 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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# The GNU C Library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with the GNU C Library; if not, see
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# <http://www.gnu.org/licenses/>.
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# See sysdeps/nacl/Makefile for how this script is invoked.
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READELF="$1"
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binary="$2"
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if [ -z "$NACL_SDK_ROOT" ]; then
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echo >&2 "$0: NACL_SDK_ROOT must be set in the environment"
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exit 77
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fi
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ncval="${NACL_SDK_ROOT}/tools/ncval"
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if [ ! -x "$ncval" ]; then
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echo >&2 "$0: No ncval binary in $ncval"
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exit 77
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fi
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"${READELF}" -Wl "$binary" | awk '
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BEGIN { saw_load = saw_text = 0 }
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$1 == "LOAD" {
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saw_load = 1;
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if (/ R.E /) saw_code = 1;
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}
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END {
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exit (saw_code ? 11 : saw_load ? 22 : 1);
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}
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'
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case $? in
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11)
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# We saw a code segment, so we can try ncval.
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;;
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22)
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# We saw LOAD segments but none of them were code.
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echo >&2 "+++ No code: $binary"
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exit 0
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;;
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*)
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# Something funny going on.
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echo >&2 "*** Failed to analyze: $binary"
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exit 2
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;;
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esac
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if "$ncval" "$binary"; then
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echo >&2 "+++ Validated: $binary"
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exit 0
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else
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echo >&2 "*** Validation failed: $binary"
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exit 2
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fi
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