tools/testing/selftests/bpf/progs/test_global_func16.c

Source file repositories/reference/linux-study-clean/tools/testing/selftests/bpf/progs/test_global_func16.c

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/bpf/progs/test_global_func16.c
Extension
.c
Size
366 bytes
Lines
25
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0-only
#include <stddef.h>
#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>
#include "bpf_misc.h"

__noinline int foo(int (*arr)[10])
{
	if (arr)
		return (*arr)[9];

	return 0;
}

SEC("cgroup_skb/ingress")
__success
int global_func16(struct __sk_buff *skb)
{
	int array[10];

	const int rv = foo(&array);

	return rv ? 1 : 0;
}

Annotation

Implementation Notes