mirror of
https://github.com/facebookexperimental/reverie.git
synced 2025-01-23 05:06:23 +00:00
1bbfa8a5a2
Reviewed By: johnhurt Differential Revision: D36727878 fbshipit-source-id: 2529052f6a81fb5a177ccdba51b7e0051577c148
50 lines
1.5 KiB
Rust
50 lines
1.5 KiB
Rust
/*
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* Copyright (c) Meta Platforms, Inc. and its affiliates.
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*
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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//! This instrumentation tool does nothing except acting as a gdbserver.
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use reverie::{Error, Subscription, Tool};
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use reverie_util::CommonToolArguments;
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use serde::{Deserialize, Serialize};
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use structopt::StructOpt;
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#[derive(Debug, Default, Serialize, Deserialize)]
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struct DebugTool;
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impl Tool for DebugTool {
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fn subscriptions(_cfg: &()) -> Subscription {
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Subscription::none()
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}
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}
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/// A tool that acts as a GDB server. The process will start in a stopped state,
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/// waiting for a GDB client to connect. Once the connection is complete,
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/// execution of the guest process will continue.
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#[derive(Debug, StructOpt)]
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struct Args {
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#[structopt(flatten)]
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common_opts: CommonToolArguments,
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#[structopt(long, default_value = "1234", help = "launch gdbserver on given port")]
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port: u16,
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}
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#[tokio::main]
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async fn main() -> Result<(), Error> {
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let args = Args::from_args();
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let port = args.port;
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let log_guard = args.common_opts.init_tracing();
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eprintln!("Listening on port {}", port);
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let tracer = reverie_ptrace::TracerBuilder::<DebugTool>::new(args.common_opts.into())
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.gdbserver(port)
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.spawn()
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.await?;
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let (status, _global_state) = tracer.wait().await?;
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drop(log_guard); // Flush logs before exiting.
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status.raise_or_exit()
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}
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