1c1f5e7ddSAndrii Nakryiko // SPDX-License-Identifier: GPL-2.0
2c1f5e7ddSAndrii Nakryiko // Copyright (c) 2019 Facebook
3c1f5e7ddSAndrii Nakryiko
4c1f5e7ddSAndrii Nakryiko #include <linux/bpf.h>
5c1f5e7ddSAndrii Nakryiko #include <stdint.h>
63e689141SToke Høiland-Jørgensen #include <bpf/bpf_helpers.h>
73e689141SToke Høiland-Jørgensen #include <bpf/bpf_core_read.h>
8c1f5e7ddSAndrii Nakryiko
9c1f5e7ddSAndrii Nakryiko char _license[] SEC("license") = "GPL";
10c1f5e7ddSAndrii Nakryiko
11393cdfbeSAndrii Nakryiko struct {
12c1f5e7ddSAndrii Nakryiko char in[256];
13c1f5e7ddSAndrii Nakryiko char out[256];
14393cdfbeSAndrii Nakryiko } data = {};
15c1f5e7ddSAndrii Nakryiko
16c1f5e7ddSAndrii Nakryiko struct core_reloc_ints {
17c1f5e7ddSAndrii Nakryiko uint8_t u8_field;
18c1f5e7ddSAndrii Nakryiko int8_t s8_field;
19c1f5e7ddSAndrii Nakryiko uint16_t u16_field;
20c1f5e7ddSAndrii Nakryiko int16_t s16_field;
21c1f5e7ddSAndrii Nakryiko uint32_t u32_field;
22c1f5e7ddSAndrii Nakryiko int32_t s32_field;
23c1f5e7ddSAndrii Nakryiko uint64_t u64_field;
24c1f5e7ddSAndrii Nakryiko int64_t s64_field;
25c1f5e7ddSAndrii Nakryiko };
26c1f5e7ddSAndrii Nakryiko
27694731e8SAndrii Nakryiko #define CORE_READ(dst, src) bpf_core_read(dst, sizeof(*(dst)), src)
28694731e8SAndrii Nakryiko
29c1f5e7ddSAndrii Nakryiko SEC("raw_tracepoint/sys_enter")
test_core_ints(void * ctx)30c1f5e7ddSAndrii Nakryiko int test_core_ints(void *ctx)
31c1f5e7ddSAndrii Nakryiko {
32c1f5e7ddSAndrii Nakryiko struct core_reloc_ints *in = (void *)&data.in;
33c1f5e7ddSAndrii Nakryiko struct core_reloc_ints *out = (void *)&data.out;
34c1f5e7ddSAndrii Nakryiko
35694731e8SAndrii Nakryiko if (CORE_READ(&out->u8_field, &in->u8_field) ||
36694731e8SAndrii Nakryiko CORE_READ(&out->s8_field, &in->s8_field) ||
37694731e8SAndrii Nakryiko CORE_READ(&out->u16_field, &in->u16_field) ||
38694731e8SAndrii Nakryiko CORE_READ(&out->s16_field, &in->s16_field) ||
39694731e8SAndrii Nakryiko CORE_READ(&out->u32_field, &in->u32_field) ||
40694731e8SAndrii Nakryiko CORE_READ(&out->s32_field, &in->s32_field) ||
41694731e8SAndrii Nakryiko CORE_READ(&out->u64_field, &in->u64_field) ||
42694731e8SAndrii Nakryiko CORE_READ(&out->s64_field, &in->s64_field))
43c1f5e7ddSAndrii Nakryiko return 1;
44c1f5e7ddSAndrii Nakryiko
45c1f5e7ddSAndrii Nakryiko return 0;
46c1f5e7ddSAndrii Nakryiko }
47c1f5e7ddSAndrii Nakryiko
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