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65 lines
1.6 KiB
Rust

use std::path::PathBuf;
use std::process::Command;
use clap::Parser;
#[derive(Debug, Copy, Clone)]
pub enum Architecture {
BpfEl,
BpfEb,
}
impl std::str::FromStr for Architecture {
type Err = String;
fn from_str(s: &str) -> Result<Self, Self::Err> {
Ok(match s {
"bpfel-unknown-none" => Architecture::BpfEl,
"bpfeb-unknown-none" => Architecture::BpfEb,
_ => return Err("invalid target".to_owned()),
})
}
}
impl std::fmt::Display for Architecture {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.write_str(match self {
Architecture::BpfEl => "bpfel-unknown-none",
Architecture::BpfEb => "bpfeb-unknown-none",
})
}
}
#[derive(Debug, Parser)]
pub struct Options {
/// Set the endianness of the BPF target
#[clap(default_value = "bpfel-unknown-none", long)]
pub target: Architecture,
/// Build the release target
#[clap(long)]
pub release: bool,
}
pub fn build_ebpf(opts: Options) -> Result<(), anyhow::Error> {
let dir = PathBuf::from("{{project-name}}-ebpf");
let target = format!("--target={}", opts.target);
let mut args = vec![
"+nightly",
"build",
"--verbose",
target.as_str(),
"-Z",
"build-std=core",
];
if opts.release {
args.push("--release")
}
let status = Command::new("cargo")
.current_dir(&dir)
.args(&args)
.status()
.expect("failed to build bpf program");
assert!(status.success());
Ok(())
}