tools/objtool/sync-check.sh

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 if [ -z "$SRCARCH" ]; then
   5         echo 'sync-check.sh: error: missing $SRCARCH environment variable' >&2
   6         exit 1
   7 fi
   8
   9 FILES="include/linux/objtool_types.h"
  10
  11 if [ "$SRCARCH" = "x86" ]; then
  12 FILES="$FILES
  13 arch/x86/include/asm/nops.h
  14 arch/x86/include/asm/inat_types.h
  15 arch/x86/include/asm/orc_types.h
  16 arch/x86/include/asm/emulate_prefix.h
  17 arch/x86/lib/x86-opcode-map.txt
  18 arch/x86/tools/gen-insn-attr-x86.awk
  19 include/linux/static_call_types.h
  20 "
  21
  22 SYNC_CHECK_FILES='
  23 arch/x86/include/asm/inat.h
  24 arch/x86/include/asm/insn.h
  25 arch/x86/lib/inat.c
  26 arch/x86/lib/insn.c
  27 '
  28 fi
  29
  30 check_2 () {
  31   file1=$1
  32   file2=$2
  33
  34   shift
  35   shift
  36
  37   cmd="diff $* $file1 $file2 > /dev/null"
  38
  39   test -f $file2 && {
  40     eval $cmd || {
  41       echo "Warning: Kernel ABI header at '$file1' differs from latest version at '$file2'" >&2
  42       echo diff -u $file1 $file2
  43     }
  44   }
  45 }
  46
  47 check () {
  48   file=$1
  49
  50   shift
  51
  52   check_2 tools/$file $file $*
  53 }
  54
  55 if [ ! -d ../../kernel ] || [ ! -d ../../tools ] || [ ! -d ../objtool ]; then
  56         exit 0
  57 fi
  58
  59 cd ../..
  60
  61 while read -r file_entry; do
  62     if [ -z "$file_entry" ]; then
  63         continue
  64     fi
  65
  66     check $file_entry
  67 done <<EOF
  68 $FILES
  69 EOF
  70
  71 if [ "$SRCARCH" = "x86" ]; then
  72         for i in $SYNC_CHECK_FILES; do
  73                 check $i '-I "^.*\/\*.*__ignore_sync_check__.*\*\/.*$"'
  74         done
  75 fi