// SPDX-License-Identifier: GPL-2.0
|
// Copyright (c) 2019 Facebook
|
|
#include <linux/bpf.h>
|
#include <stdint.h>
|
#include <bpf/bpf_helpers.h>
|
#include <bpf/bpf_core_read.h>
|
|
char _license[] SEC("license") = "GPL";
|
|
struct {
|
char in[256];
|
char out[256];
|
} data = {};
|
|
struct core_reloc_ints {
|
uint8_t u8_field;
|
int8_t s8_field;
|
uint16_t u16_field;
|
int16_t s16_field;
|
uint32_t u32_field;
|
int32_t s32_field;
|
uint64_t u64_field;
|
int64_t s64_field;
|
};
|
|
#define CORE_READ(dst, src) bpf_core_read(dst, sizeof(*(dst)), src)
|
|
SEC("raw_tracepoint/sys_enter")
|
int test_core_ints(void *ctx)
|
{
|
struct core_reloc_ints *in = (void *)&data.in;
|
struct core_reloc_ints *out = (void *)&data.out;
|
|
if (CORE_READ(&out->u8_field, &in->u8_field) ||
|
CORE_READ(&out->s8_field, &in->s8_field) ||
|
CORE_READ(&out->u16_field, &in->u16_field) ||
|
CORE_READ(&out->s16_field, &in->s16_field) ||
|
CORE_READ(&out->u32_field, &in->u32_field) ||
|
CORE_READ(&out->s32_field, &in->s32_field) ||
|
CORE_READ(&out->u64_field, &in->u64_field) ||
|
CORE_READ(&out->s64_field, &in->s64_field))
|
return 1;
|
|
return 0;
|
}
|