Messages in this thread | | | Subject | Re: [PATCH V4 19/22] LoongArch: Add VDSO and VSYSCALL support | From | Xi Ruoyao <> | Date | Thu, 30 Sep 2021 23:43:41 +0800 |
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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@arm.com> > +# > +# 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'
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