blob: e2a21fbd4e4423859bcbf0e25e284a2611796a96 [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0
#include "vmlinux.h"
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
struct {
__uint(type, BPF_MAP_TYPE_ARRAY);
__uint(max_entries, 8);
__type(key, __u32);
__type(value, __u64);
} test_array SEC(".maps");
unsigned int triggered;
static __u64 test_cb(struct bpf_map *map, __u32 *key, __u64 *val, void *data)
{
return 1;
}
SEC("fexit/bpf_testmod_return_ptr")
int BPF_PROG(handle_fexit_ret_subprogs, int arg, struct file *ret)
{
*(volatile long *)ret;
*(volatile int *)&ret->f_mode;
bpf_for_each_map_elem(&test_array, test_cb, NULL, 0);
triggered++;
return 0;
}
SEC("fexit/bpf_testmod_return_ptr")
int BPF_PROG(handle_fexit_ret_subprogs2, int arg, struct file *ret)
{
*(volatile long *)ret;
*(volatile int *)&ret->f_mode;
bpf_for_each_map_elem(&test_array, test_cb, NULL, 0);
triggered++;
return 0;
}
SEC("fexit/bpf_testmod_return_ptr")
int BPF_PROG(handle_fexit_ret_subprogs3, int arg, struct file *ret)
{
*(volatile long *)ret;
*(volatile int *)&ret->f_mode;
bpf_for_each_map_elem(&test_array, test_cb, NULL, 0);
triggered++;
return 0;
}
char _license[] SEC("license") = "GPL";