tools/scripts/make-asm-offsets

   1 #!/bin/sh
   2
   3 # Adapted from Linux kernel's "Kbuild":
   4 # commit 1cdf25d704f7951d02a04064c97db547d6021872
   5 # Author: Christoph Lameter <clameter@sgi.com>
   6
   7 mkdir -p $(dirname $2)
   8
   9 # Default sed regexp - multiline due to syntax constraints
  10 SED_CMD="/^->/{s:->#\(.*\):/* \1 */:; \
  11         s:^->\([^ ]*\) [\$#]*\([-0-9]*\) \(.*\):#define \1 (\2) /* \3 */:; \
  12         s:^->\([^ ]*\) [\$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \
  13         s:->::; p;}"
  14
  15 (set -e
  16  echo "#ifndef __ASM_OFFSETS_H__"
  17  echo "#define __ASM_OFFSETS_H__"
  18  echo "/*"
  19  echo " * DO NOT MODIFY."
  20  echo " *"
  21  echo " * This file was generated by $(basename $0)"
  22  echo " *"
  23  echo " */"
  24  echo ""
  25  sed -ne "${SED_CMD}" $1
  26  echo ""
  27  echo "#endif" ) > $2