fs-tracer-ebpf/src/main.rs


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#![no_std]
#![no_main]

use aya_bpf::{
    macros::tracepoint,
    programs::TracePointContext,
};
use aya_log_ebpf::info;

#[tracepoint]
pub fn fs_tracer(ctx: TracePointContext) -> u32 {
    match try_fs_tracer(ctx) {
        Ok(ret) => ret,
        Err(ret) => ret,
    }
}

fn try_fs_tracer(ctx: TracePointContext) -> Result<u32, u32> {
    info!(&ctx, "tracepoint syscalls called");
    Ok(0)
}

#[panic_handler]
fn panic(_info: &core::panic::PanicInfo) -> ! {
    unsafe { core::hint::unreachable_unchecked() }
}