xref: /dpdk/devtools/check-abi.sh (revision 7564d550)
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	# skip experimental libraries, with a sover starting with 0.
48	if grep -qE "\<soname='[^']*\.so\.0\.[^']*'" $dump; then
49		echo "Skipped experimental library $name."
50		continue
51	fi
52	dump2=$(find $newdir -name $name)
53	if [ -z "$dump2" ] || [ ! -e "$dump2" ]; then
54		echo "Error: can't find $name in $newdir"
55		error=1
56		continue
57	fi
58	if ! abidiff $ABIDIFF_OPTIONS $dump $dump2; then
59		echo "Error: ABI issue reported for 'abidiff $ABIDIFF_OPTIONS $dump $dump2'"
60		error=1
61	fi
62done
63
64[ -z "$error" ] || [ -n "$warnonly" ]
65