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

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

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/bpf/progs/get_func_ip_fsession_test.c
Extension
.c
Size
497 bytes
Lines
22
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
#include "vmlinux.h"
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>

char _license[] SEC("license") = "GPL";

__u64 test1_entry_result = 0;
__u64 test1_exit_result = 0;

SEC("fsession/bpf_fentry_test1")
int BPF_PROG(test1, int a)
{
	__u64 addr = bpf_get_func_ip(ctx);

	if (bpf_session_is_return(ctx))
		test1_exit_result = (const void *) addr == &bpf_fentry_test1;
	else
		test1_entry_result = (const void *) addr == &bpf_fentry_test1;
	return 0;
}

Annotation

Implementation Notes