1 #pragma once
2 
3 typedef unsigned int uint32_t;
4 typedef unsigned long uint64_t;
5 
6 #define __section(NAME) __attribute__((section(NAME), used))
7 #define __uint(name, val) int(*name)[val]
8 #define __type(name, val) typeof(val) *name
9 
10 #define BPF_MAP_TYPE_HASH (1)
11 #define BPF_MAP_TYPE_PERF_EVENT_ARRAY (4)
12 #define BPF_MAP_TYPE_ARRAY_OF_MAPS (12)
13 #define BPF_MAP_TYPE_HASH_OF_MAPS (13)
14 
15 #define BPF_F_NO_PREALLOC (1U << 0)
16 #define BPF_F_CURRENT_CPU (0xffffffffULL)
17 
18 /* From tools/lib/bpf/libbpf.h */
19 struct bpf_map_def {
20 	unsigned int type;
21 	unsigned int key_size;
22 	unsigned int value_size;
23 	unsigned int max_entries;
24 	unsigned int map_flags;
25 };
26 
27 static void *(*map_lookup_elem)(const void *map, const void *key) = (void *)1;
28 
29 static int (*perf_event_output)(const void *ctx, const void *map, uint64_t index, const void *data, uint64_t size) = (void *)25;
30 
31 static uint32_t (*get_smp_processor_id)(void) = (void *)8;
32