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// 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;
}
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