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 $SRCARCH environment variable' >&2
   6         exit 1
   7 fi
   8
   9 FILES="include/linux/objtool.h"
  10
  11 if [ "$SRCARCH" = "x86" ]; then
  12 FILES="$FILES
  13 arch/x86/include/asm/inat_types.h
  14 arch/x86/include/asm/orc_types.h
  15 arch/x86/include/asm/emulate_prefix.h
  16 arch/x86/lib/x86-opcode-map.txt
  17 arch/x86/tools/gen-insn-attr-x86.awk
  18 include/linux/static_call_types.h
  19 arch/x86/include/asm/inat.h     -I '^#include [\"<]\(asm/\)*inat_types.h[\">]'
  20 arch/x86/include/asm/insn.h     -I '^#include [\"<]\(asm/\)*inat.h[\">]'
  21 arch/x86/lib/inat.c             -I '^#include [\"<]\(../include/\)*asm/insn.h[\">]'
  22 arch/x86/lib/insn.c             -I '^#include [\"<]\(../include/\)*asm/in\(at\|sn\).h[\">]' -I '^#include [\"<]\(../include/\)*asm/emulate_prefix.h[\">]'
  23 "
  24 fi
  25
  26 check_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
  43 check () {
  44   file=$1
  45
  46   shift
  47
  48   check_2 tools/$file $file $*
  49 }
  50
  51 if [ ! -d ../../kernel ] || [ ! -d ../../tools ] || [ ! -d ../objtool ]; then
  52         exit 0
  53 fi
  54
  55 cd ../..
  56
  57 while read -r file_entry; do
  58     if [ -z "$file_entry" ]; then
  59         continue
  60     fi
  61
  62     check $file_entry
  63 done <<EOF
  64 $FILES
  65 EOF