Commit 78a20541 authored by Kenta Tada's avatar Kenta Tada Committed by Andrii Nakryiko
Browse files

selftests/bpf: Extract syscall wrapper 



Extract the helper to set up SYS_PREFIX for fentry and kprobe selftests
that use __x86_sys_* attach functions.

Suggested-by: default avatarAndrii Nakryiko <andrii@kernel.org>
Signed-off-by: default avatarKenta Tada <Kenta.Tada@sony.com>
Signed-off-by: default avatarAndrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220124141622.4378-2-Kenta.Tada@sony.com
parent fc763870

tools/testing/selftests/bpf/progs/bpf_misc.h

0 → 100644
+19 −0
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0 */

#ifndef __BPF_MISC_H__

#define __BPF_MISC_H__



#if defined(__TARGET_ARCH_x86)

#define SYSCALL_WRAPPER 1

#define SYS_PREFIX "__x64_"

#elif defined(__TARGET_ARCH_s390)

#define SYSCALL_WRAPPER 1

#define SYS_PREFIX "__s390x_"

#elif defined(__TARGET_ARCH_arm64)

#define SYSCALL_WRAPPER 1

#define SYS_PREFIX "__arm64_"

#else

#define SYSCALL_WRAPPER 0

#define SYS_PREFIX ""

#endif



#endif

tools/testing/selftests/bpf/progs/test_probe_user.c

+1 −14
Original line number Diff line number Diff line
@@ -7,20 +7,7 @@ 


#include <bpf/bpf_helpers.h>

#include <bpf/bpf_tracing.h>



#if defined(__TARGET_ARCH_x86)

#define SYSCALL_WRAPPER 1

#define SYS_PREFIX "__x64_"

#elif defined(__TARGET_ARCH_s390)

#define SYSCALL_WRAPPER 1

#define SYS_PREFIX "__s390x_"

#elif defined(__TARGET_ARCH_arm64)

#define SYSCALL_WRAPPER 1

#define SYS_PREFIX "__arm64_"

#else

#define SYSCALL_WRAPPER 0

#define SYS_PREFIX ""

#endif

#include "bpf_misc.h"



static struct sockaddr_in old;