xref: /openbmc/linux/tools/objtool/sync-check.sh (revision b4e18b29) 
1#!/bin/sh
2# SPDX-License-Identifier: GPL-2.0
3
4if [ -z "$SRCARCH" ]; then
5	echo 'sync-check.sh: error: missing $SRCARCH environment variable' >&2
6	exit 1
7fi
8
9FILES="include/linux/objtool.h"
10
11if [ "$SRCARCH" = "x86" ]; then
12FILES="$FILES
13arch/x86/include/asm/inat_types.h
14arch/x86/include/asm/orc_types.h
15arch/x86/include/asm/emulate_prefix.h
16arch/x86/lib/x86-opcode-map.txt
17arch/x86/tools/gen-insn-attr-x86.awk
18include/linux/static_call_types.h
19arch/x86/include/asm/inat.h     -I '^#include [\"<]\(asm/\)*inat_types.h[\">]'
20arch/x86/include/asm/insn.h     -I '^#include [\"<]\(asm/\)*inat.h[\">]'
21arch/x86/lib/inat.c             -I '^#include [\"<]\(../include/\)*asm/insn.h[\">]'
22arch/x86/lib/insn.c             -I '^#include [\"<]\(../include/\)*asm/in\(at\|sn\).h[\">]' -I '^#include [\"<]\(../include/\)*asm/emulate_prefix.h[\">]'
23"
24fi
25
26check_2 () {
27  file1=$1
28  file2=$2
29
30  shift
31  shift
32
33  cmd="diff $* $file1 $file2 > /dev/null"
34
35  test -f $file2 && {
36    eval $cmd || {
37      echo "Warning: Kernel ABI header at '$file1' differs from latest version at '$file2'" >&2
38      echo diff -u $file1 $file2
39    }
40  }
41}
42
43check () {
44  file=$1
45
46  shift
47
48  check_2 tools/$file $file $*
49}
50
51if [ ! -d ../../kernel ] || [ ! -d ../../tools ] || [ ! -d ../objtool ]; then
52	exit 0
53fi
54
55cd ../..
56
57while read -r file_entry; do
58    if [ -z "$file_entry" ]; then
59	continue
60    fi
61
62    check $file_entry
63done <<EOF
64$FILES
65EOF
66