On Mon, 2021-09-27 at 14:42 +0800, Huacai Chen wrote: > diff --git a/arch/loongarch/vdso/gen_vdso_offsets.sh > b/arch/loongarch/vdso/gen_vdso_offsets.sh > new file mode 100755 > index 000000000000..7da255fea213 > --- /dev/null > +++ b/arch/loongarch/vdso/gen_vdso_offsets.sh > @@ -0,0 +1,14 @@ > +#!/bin/sh > +# SPDX-License-Identifier: GPL-2.0 > + > +# > +# Derived from RISC-V and ARM64: > +# Author: Will Deacon <will.deacon@xxxxxxx> > +# > +# Match symbols in the DSO that look like VDSO_*; produce a header > file > +# of constant offsets into the shared object. > +# > + > +LC_ALL=C I'm wondering whether this line is really useful... There is no "export" here so the variable won't be passed to the environment of the sed command below. > +sed -n -e 's/^00*/0/' -e \ > +'s/^\([0-9a-fA-F]*\) . VDSO_\([a-zA-Z0-9_]*\)$/\#define > vdso_offset_\2\t0x\1/p'
