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// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2019 Facebook */
#include <stdbool.h>
#include <stddef.h>
#include <linux/bpf.h>
#include <linux/ptrace.h>
#include "bpf_helpers.h"
#include "bpf_tracing.h"
#include "bpf_trace_helpers.h"
struct task_struct;
SEC("kprobe/__set_task_comm")
int BPF_KPROBE(prog1, struct task_struct *tsk, const char *buf, bool exec)
{
return !tsk;
}
SEC("kretprobe/__set_task_comm")
int BPF_KRETPROBE(prog2,
struct task_struct *tsk, const char *buf, bool exec,
int ret)
{
return !PT_REGS_PARM1(ctx) && ret;
}
SEC("raw_tp/task_rename")
int prog3(struct bpf_raw_tracepoint_args *ctx)
{
return !ctx->args[0];
}
SEC("fentry/__set_task_comm")
int BPF_PROG(prog4, struct task_struct *tsk, const char *buf, bool exec)
{
return !tsk;
}
SEC("fexit/__set_task_comm")
int BPF_PROG(prog5, struct task_struct *tsk, const char *buf, bool exec)
{
return !tsk;
}
char _license[] SEC("license") = "GPL";
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