arch/arm64/kernel/vdso/gen_vdso_offsets.sh

   1 #!/bin/sh
   2
   3 #
   4 # Match symbols in the DSO that look like VDSO_*; produce a header file
   5 # of constant offsets into the shared object.
   6 #
   7 # Doing this inside the Makefile will break the $(filter-out) function,
   8 # causing Kbuild to rebuild the vdso-offsets header file every time.
   9 #
  10 # Author: Will Deacon <will.deacon@arm.com
  11 #
  12
  13 LC_ALL=C
  14 sed -n -e 's/^00*/0/' -e \
  15 's/^\([0-9a-fA-F]*\) . VDSO_\([a-zA-Z0-9_]*\)$/\#define vdso_offset_\2\t0x\1/p'