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// SPDX-License-Identifier: GPL-2.0
#include "vmlinux.h"
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
char _license[] SEC("license") = "GPL";
int pid;
int fentry1_hits;
int fentry2_hits;
int fexit_hits;
int kprobe_hits;
static bool from_test(int a)
{
return (bpf_get_current_pid_tgid() >> 32) == pid && a == 1;
}
SEC("fentry/bpf_fentry_test1")
int BPF_PROG(fentry1, int a)
{
if (from_test(a))
fentry1_hits++;
return 0;
}
SEC("fentry/bpf_fentry_test1")
int BPF_PROG(fentry2, int a)
{
if (from_test(a))
fentry2_hits++;
return 0;
}
SEC("fexit/bpf_fentry_test1")
int BPF_PROG(fexit1, int a, int ret)
{
if (from_test(a) && ret == 2)
fexit_hits++;
return 0;
}
SEC("kprobe/bpf_fentry_test1")
int BPF_KPROBE(kprobe1, int a)
{
if (from_test(a))
kprobe_hits++;
return 0;
}
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