1#!/bin/sh -e 2# SPDX-License-Identifier: BSD-3-Clause 3# Copyright (c) 2019 Red Hat, Inc. 4 5if [ $# != 2 ] && [ $# != 3 ]; then 6 echo "Usage: $0 refdir newdir [warnonly]" 7 exit 1 8fi 9 10refdir=$1 11newdir=$2 12warnonly=${3:-} 13ABIDIFF_OPTIONS="--suppr $(dirname $0)/libabigail.abignore --no-added-syms" 14 15if [ ! -d $refdir ]; then 16 echo "Error: reference directory '$refdir' does not exist." 17 exit 1 18fi 19incdir=$(find $refdir -type d -a -name include) 20if [ -z "$incdir" ] || [ ! -e "$incdir" ]; then 21 echo "WARNING: could not identify a include directory for $refdir, expect false positives..." 22else 23 ABIDIFF_OPTIONS="$ABIDIFF_OPTIONS --headers-dir1 $incdir" 24fi 25 26if [ ! -d $newdir ]; then 27 echo "Error: directory to check '$newdir' does not exist." 28 exit 1 29fi 30incdir2=$(find $newdir -type d -a -name include) 31if [ -z "$incdir2" ] || [ ! -e "$incdir2" ]; then 32 echo "WARNING: could not identify a include directory for $newdir, expect false positives..." 33else 34 ABIDIFF_OPTIONS="$ABIDIFF_OPTIONS --headers-dir2 $incdir2" 35fi 36 37error= 38for dump in $(find $refdir -name "*.dump"); do 39 name=$(basename $dump) 40 # skip glue drivers, example librte_pmd_mlx5_glue.dump 41 # We can't rely on a suppression rule for now: 42 # https://sourceware.org/bugzilla/show_bug.cgi?id=25480 43 if grep -qE "\<soname='[^']*_glue\.so\.[^']*'" $dump; then 44 echo "Skipped glue library $name." 45 continue 46 fi 47 dump2=$(find $newdir -name $name) 48 if [ -z "$dump2" ] || [ ! -e "$dump2" ]; then 49 echo "Error: can't find $name in $newdir" 50 error=1 51 continue 52 fi 53 abidiff $ABIDIFF_OPTIONS $dump $dump2 || { 54 abiret=$? 55 echo "Error: ABI issue reported for 'abidiff $ABIDIFF_OPTIONS $dump $dump2'" 56 error=1 57 echo 58 if [ $(($abiret & 3)) -ne 0 ]; then 59 echo "ABIDIFF_ERROR|ABIDIFF_USAGE_ERROR, this could be a script or environment issue." 60 fi 61 if [ $(($abiret & 4)) -ne 0 ]; then 62 echo "ABIDIFF_ABI_CHANGE, this change requires a review (abidiff flagged this as a potential issue)." 63 fi 64 if [ $(($abiret & 8)) -ne 0 ]; then 65 echo "ABIDIFF_ABI_INCOMPATIBLE_CHANGE, this change breaks the ABI." 66 fi 67 echo 68 } 69done 70 71[ -z "$error" ] || [ -n "$warnonly" ] 72