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// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2021 Facebook */
#include "vmlinux.h"
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
#ifndef __has_attribute
#define __has_attribute(x) 0
#endif
#if __has_attribute(btf_tag)
#define __tag1 __attribute__((btf_tag("tag1")))
#define __tag2 __attribute__((btf_tag("tag2")))
volatile const bool skip_tests __tag1 __tag2 = false;
#else
#define __tag1
#define __tag2
volatile const bool skip_tests = true;
#endif
struct key_t {
int a;
int b __tag1 __tag2;
int c;
} __tag1 __tag2;
struct {
__uint(type, BPF_MAP_TYPE_HASH);
__uint(max_entries, 3);
__type(key, struct key_t);
__type(value, __u64);
} hashmap1 SEC(".maps");
static __noinline int foo(int x __tag1 __tag2) __tag1 __tag2
{
struct key_t key;
__u64 val = 1;
key.a = key.b = key.c = x;
bpf_map_update_elem(&hashmap1, &key, &val, 0);
return 0;
}
SEC("fentry/bpf_fentry_test1")
int BPF_PROG(sub, int x)
{
return foo(x);
}
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