reverie/reverie-examples/debug.rs
Igor Makaruks f43ccb1c5c Cleaned up duplicate help messages
Summary: Ran regex `#\[clap.*?help` to locate single line clap options with help messages and manually went through several multiline ones.

Reviewed By: jasonwhite

Differential Revision: D40297841

fbshipit-source-id: 108d9da70f9a3bd096167e41c287a4a959b10c17
2022-10-13 05:25:03 -07:00

53 lines
1.5 KiB
Rust

/*
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree.
*/
//! This instrumentation tool does nothing except acting as a gdbserver.
use clap::Parser;
use reverie::Error;
use reverie::Subscription;
use reverie::Tool;
use reverie_util::CommonToolArguments;
use serde::Deserialize;
use serde::Serialize;
#[derive(Debug, Default, Serialize, Deserialize)]
struct DebugTool;
impl Tool for DebugTool {
fn subscriptions(_cfg: &()) -> Subscription {
Subscription::none()
}
}
/// A tool that acts as a GDB server. The process will start in a stopped state,
/// waiting for a GDB client to connect. Once the connection is complete,
/// execution of the guest process will continue.
#[derive(Debug, Parser)]
struct Args {
#[clap(flatten)]
common_opts: CommonToolArguments,
/// Launch gdbserver on a given port
#[clap(long, default_value = "1234")]
port: u16,
}
#[tokio::main]
async fn main() -> Result<(), Error> {
let args = Args::from_args();
let port = args.port;
let log_guard = args.common_opts.init_tracing();
eprintln!("Listening on port {}", port);
let tracer = reverie_ptrace::TracerBuilder::<DebugTool>::new(args.common_opts.into())
.gdbserver(port)
.spawn()
.await?;
let (status, _global_state) = tracer.wait().await?;
drop(log_guard); // Flush logs before exiting.
status.raise_or_exit()
}