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


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// SPDX-License-Identifier: GPL-2.0
#include "vmlinux.h"
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
#include <bpf/usdt.bpf.h>
#include "bpf_misc.h"

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


SEC("kprobe.session")
__success
int kprobe_session_return_0(struct pt_regs *ctx)
{
	return 0;
}

SEC("kprobe.session")
__success
int kprobe_session_return_1(struct pt_regs *ctx)
{
	return 1;
}

SEC("kprobe.session")
__failure
__msg("At program exit the register R0 has smin=2 smax=2 should have been in [0, 1]")
int kprobe_session_return_2(struct pt_regs *ctx)
{
	return 2;
}