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Setup development environment with libbpf

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h3xduck
2021-11-20 21:07:23 -05:00
parent 8e7fd92dc4
commit 53da2d141d
313 changed files with 563362 additions and 0 deletions
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27
external/libbpf-bootstrap/examples/c/fentry.bpf.c vendored Normal file
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// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/* Copyright (c) 2021 Sartura */
#include "vmlinux.h"
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
char LICENSE[] SEC("license") = "Dual BSD/GPL";
SEC("fentry/do_unlinkat")
int BPF_PROG(do_unlinkat, int dfd, struct filename *name)
{
pid_t pid;
pid = bpf_get_current_pid_tgid() >> 32;
bpf_printk("fentry: pid = %d, filename = %s\n", pid, name->name);
return 0;
}
SEC("fexit/do_unlinkat")
int BPF_PROG(do_unlinkat_exit, int dfd, struct filename *name, long ret)
{
pid_t pid;
pid = bpf_get_current_pid_tgid() >> 32;
bpf_printk("fexit: pid = %d, filename = %s, ret = %ld\n", pid, name->name, ret);
return 0;
}