1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3 4# 5# Match symbols in the DSO that look like VDSO_*; produce a header file 6# of constant offsets into the shared object. 7# 8# Doing this inside the Makefile will break the $(filter-out) function, 9# causing Kbuild to rebuild the vdso-offsets header file every time. 10# 11# Author: Will Deacon <will.deacon@arm.com 12# 13 14LC_ALL=C 15sed -n -e 's/^00*/0/' -e \ 16's/^\([0-9a-fA-F]*\) . VDSO_\([a-zA-Z0-9_]*\)$/\#define vdso64_offset_\2\t0x\1/p' 17