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arm64: add <asm/asm-prototypes.h>

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While we can export symbols from assembly files, CONFIG_MODVERIONS requires C
declarations of anyhting that's exported.

Let's account for this as other architectures do by placing these declarations
in <asm/asm-prototypes.h>, which kbuild will automatically use to generate
modversion information for assembly files.

Since we already define most prototypes in existing headers, we simply need to
include those headers in <asm/asm-prototypes.h>, and don't need to duplicate
these.

Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Mark Rutland 2018-12-12 12:22:19 +00:00 committed by Will Deacon
parent 9b31cf493f
commit c3296a1391
1 changed files with 26 additions and 0 deletions
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26
arch/arm64/include/asm/asm-prototypes.h Normal file
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_PROTOTYPES_H
#define __ASM_PROTOTYPES_H
/*
* CONFIG_MODEVERIONS requires a C declaration to generate the appropriate CRC
* for each symbol. Since commit:
*
* 4efca4ed05cbdfd1 ("kbuild: modversions for EXPORT_SYMBOL() for asm")
*
* ... kbuild will automatically pick these up from <asm/asm-prototypes.h> and
* feed this to genksyms when building assembly files.
*/
#include <linux/arm-smccc.h>
#include <asm/ftrace.h>
#include <asm/page.h>
#include <asm/string.h>
#include <asm/uaccess.h>
#include <asm-generic/asm-prototypes.h>
long long __ashlti3(long long a, int b);
long long __ashrti3(long long a, int b);
long long __lshrti3(long long a, int b);
#endif /* __ASM_PROTOTYPES_H */