cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

check-atomics.sh (742B)

      1#!/bin/sh
      2# SPDX-License-Identifier: GPL-2.0
      3#
      4# Check if atomic headers are up-to-date
      5
      6ATOMICDIR=$(dirname $0)
      7ATOMICTBL=${ATOMICDIR}/atomics.tbl
      8LINUXDIR=${ATOMICDIR}/../..
      9
     10echo '' | sha1sum - > /dev/null 2>&1
     11if [ $? -ne 0 ]; then
     12	printf "sha1sum not available, skipping atomic header checks.\n"
     13	exit 0
     14fi
     15
     16cat <<EOF |
     17linux/atomic/atomic-instrumented.h
     18linux/atomic/atomic-long.h
     19linux/atomic/atomic-arch-fallback.h
     20EOF
     21while read header; do
     22	OLDSUM="$(tail -n 1 ${LINUXDIR}/include/${header})"
     23	OLDSUM="${OLDSUM#// }"
     24
     25	NEWSUM="$(sed '$d' ${LINUXDIR}/include/${header} | sha1sum)"
     26	NEWSUM="${NEWSUM%% *}"
     27
     28	if [ "${OLDSUM}" != "${NEWSUM}" ]; then
     29		printf "warning: generated include/${header} has been modified.\n"
     30	fi
     31done
     32
     33exit 0