16 lines
436 B
Bash
16 lines
436 B
Bash
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#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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#
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# Match symbols in the DSO that look like VDSO_*; produce a header file
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# of constant offsets into the shared object.
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#
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# Doing this inside the Makefile will break the $(filter-out) function,
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# causing Kbuild to rebuild the vdso-offsets header file every time.
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#
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# Inspired by arm64 version.
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#
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LC_ALL=C
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sed -n 's/\([0-9a-f]*\) . __kernel_compat_\(.*\)/\#define vdso32_offset_\2\t0x\1/p'
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