// 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 = {};
|
|
enum core_reloc_primitives_enum {
|
A = 0,
|
B = 1,
|
};
|
|
struct core_reloc_primitives {
|
char a;
|
int b;
|
enum core_reloc_primitives_enum c;
|
void *d;
|
int (*f)(const char *);
|
};
|
|
#define CORE_READ(dst, src) bpf_core_read(dst, sizeof(*(dst)), src)
|
|
SEC("raw_tracepoint/sys_enter")
|
int test_core_primitives(void *ctx)
|
{
|
struct core_reloc_primitives *in = (void *)&data.in;
|
struct core_reloc_primitives *out = (void *)&data.out;
|
|
if (CORE_READ(&out->a, &in->a) ||
|
CORE_READ(&out->b, &in->b) ||
|
CORE_READ(&out->c, &in->c) ||
|
CORE_READ(&out->d, &in->d) ||
|
CORE_READ(&out->f, &in->f))
|
return 1;
|
|
return 0;
|
}
|
