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bpf: Move stack_map_get_build_id into lib

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Moving stack_map_get_build_id into lib with
declaration in linux/buildid.h header:

  int build_id_parse(struct vm_area_struct *vma, unsigned char *build_id);

This function returns build id for given struct vm_area_struct.
There is no functional change to stack_map_get_build_id function.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20210114134044.1418404-2-jolsa@kernel.org
This commit is contained in:
Jiri Olsa
2021-01-14 14:40:42 +01:00
committed by Alexei Starovoitov
parent 7064a7341a
commit bd7525dacd
4 changed files with 153 additions and 140 deletions
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11
include/linux/buildid.h Normal file
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@@ -0,0 +1,11 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_BUILDID_H
#define _LINUX_BUILDID_H
#include <linux/mm_types.h>
#define BUILD_ID_SIZE_MAX 20
int build_id_parse(struct vm_area_struct *vma, unsigned char *build_id);
#endif