Implement GDB/LLDB compatible server #3

Merged
SonicSwordcane merged 33 commits from debugger into main 2025-01-19 00:13:43 +00:00
7 changed files with 148 additions and 17 deletions
Showing only changes of commit f031bb17b2 - Show all commits

109
Cargo.lock generated
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@ -1755,6 +1755,12 @@ version = "3.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e2db585e1d738fc771bf08a151420d3ed193d9d895a36df7f6f8a9456b911ddc"
[[package]]
name = "lazy_static"
version = "1.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
[[package]]
name = "lemur"
version = "0.2.7"
@ -1788,6 +1794,8 @@ dependencies = [
"serde_json",
"thread-priority",
"tokio",
"tracing",
"tracing-subscriber",
"wgpu",
"windows 0.58.0",
"winit",
@ -1883,6 +1891,15 @@ dependencies = [
"libc",
]
[[package]]
name = "matchers"
version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8263075bb86c5a1b1427b5ae862e8889656f126e9f77c484496e8b47cf5c5558"
dependencies = [
"regex-automata 0.1.10",
]
[[package]]
name = "memchr"
version = "2.7.4"
@ -2068,6 +2085,16 @@ dependencies = [
"minimal-lexical",
]
[[package]]
name = "nu-ansi-term"
version = "0.46.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "77a8165726e8236064dbb45459242600304b42a5ea24ee2948e18e023bf7ba84"
dependencies = [
"overload",
"winapi",
]
[[package]]
name = "num-complex"
version = "0.4.6"
@ -2408,6 +2435,12 @@ dependencies = [
"pin-project-lite",
]
[[package]]
name = "overload"
version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b15813163c1d831bf4a13c3610c05c0d03b39feb07f7e09fa234dac9b15aaf39"
[[package]]
name = "owned_ttf_parser"
version = "0.25.0"
@ -2701,8 +2734,17 @@ checksum = "b544ef1b4eac5dc2db33ea63606ae9ffcfac26c1416a2806ae0bf5f56b201191"
dependencies = [
"aho-corasick",
"memchr",
"regex-automata",
"regex-syntax",
"regex-automata 0.4.9",
"regex-syntax 0.8.5",
]
[[package]]
name = "regex-automata"
version = "0.1.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6c230d73fb8d8c1b9c0b3135c5142a8acee3a0558fb8db5cf1cb65f8d7862132"
dependencies = [
"regex-syntax 0.6.29",
]
[[package]]
@ -2713,9 +2755,15 @@ checksum = "809e8dc61f6de73b46c85f4c96486310fe304c434cfa43669d7b40f711150908"
dependencies = [
"aho-corasick",
"memchr",
"regex-syntax",
"regex-syntax 0.8.5",
]
[[package]]
name = "regex-syntax"
version = "0.6.29"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f162c6dd7b008981e4d40210aca20b4bd0f9b60ca9271061b07f78537722f2e1"
[[package]]
name = "regex-syntax"
version = "0.8.5"
@ -2906,6 +2954,15 @@ dependencies = [
"serde",
]
[[package]]
name = "sharded-slab"
version = "0.1.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f40ca3c46823713e0d4209592e8d6e826aa57e928f09752619fc696c499637f6"
dependencies = [
"lazy_static",
]
[[package]]
name = "shlex"
version = "1.3.0"
@ -3123,6 +3180,16 @@ dependencies = [
"winapi",
]
[[package]]
name = "thread_local"
version = "1.1.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8b9ef9bad013ada3808854ceac7b46812a6465ba368859a37e2100283d2d719c"
dependencies = [
"cfg-if",
"once_cell",
]
[[package]]
name = "tiny-skia"
version = "0.11.4"
@ -3248,6 +3315,36 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e672c95779cf947c5311f83787af4fa8fffd12fb27e4993211a84bdfd9610f9c"
dependencies = [
"once_cell",
"valuable",
]
[[package]]
name = "tracing-log"
version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ee855f1f400bd0e5c02d150ae5de3840039a3f54b025156404e34c23c03f47c3"
dependencies = [
"log",
"once_cell",
"tracing-core",
]
[[package]]
name = "tracing-subscriber"
version = "0.3.19"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e8189decb5ac0fa7bc8b96b7cb9b2701d60d48805aca84a238004d665fcc4008"
dependencies = [
"matchers",
"nu-ansi-term",
"once_cell",
"regex",
"sharded-slab",
"smallvec",
"thread_local",
"tracing",
"tracing-core",
"tracing-log",
]
[[package]]
@ -3358,6 +3455,12 @@ version = "1.11.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f8c5f0a0af699448548ad1a2fbf920fb4bee257eae39953ba95cb84891a0446a"
[[package]]
name = "valuable"
version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
[[package]]
name = "vec_map"
version = "0.8.2"

View File

@ -36,6 +36,8 @@ serde = { version = "1", features = ["derive"] }
serde_json = "1"
thread-priority = "1"
tokio = { version = "1", features = ["io-util", "macros", "net", "rt", "sync"] }
tracing = { version = "0.1", features = ["release_max_level_info"] }
tracing-subscriber = { version = "0.3", features = ["env-filter"] }
wgpu = "23"
winit = { version = "0.30", features = ["serde"] }

View File

@ -6,6 +6,7 @@ use egui::{
ViewportCommand, ViewportId, ViewportInfo,
};
use gilrs::{EventType, Gilrs};
use tracing::{error, warn};
use winit::{
application::ApplicationHandler,
event::WindowEvent,
@ -230,8 +231,8 @@ impl ApplicationHandler<UserEvent> for Application {
fn exiting(&mut self, _event_loop: &ActiveEventLoop) {
let (sender, receiver) = oneshot::channel();
if self.client.send_command(EmulatorCommand::Exit(sender)) {
if let Err(err) = receiver.recv_timeout(Duration::from_secs(5)) {
eprintln!("could not gracefully exit: {}", err);
if let Err(error) = receiver.recv_timeout(Duration::from_secs(5)) {
error!(%error, "could not gracefully exit.");
}
}
}
@ -434,9 +435,12 @@ fn create_window_and_state(
}
fn process_gamepad_input(mappings: MappingProvider, proxy: EventLoopProxy<UserEvent>) {
let Ok(mut gilrs) = Gilrs::new() else {
eprintln!("could not connect gamepad listener");
return;
let mut gilrs = match Gilrs::new() {
Ok(gilrs) => gilrs,
Err(error) => {
warn!(%error, "could not connect gamepad listener");
return;
}
};
while let Some(event) = gilrs.next_event_blocking(None) {
if event.event == EventType::Connected {

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@ -4,6 +4,7 @@ use anyhow::{bail, Result};
use cpal::traits::{DeviceTrait, HostTrait, StreamTrait};
use itertools::Itertools;
use rubato::{FftFixedInOut, Resampler};
use tracing::error;
pub struct Audio {
#[allow(unused)]
@ -54,7 +55,7 @@ impl Audio {
}
chunk.commit_all();
},
move |err| eprintln!("stream error: {err}"),
move |error| error!(%error, "stream error"),
None,
)?;
stream.play()?;

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@ -15,6 +15,7 @@ use anyhow::Result;
use atomic::Atomic;
use bytemuck::NoUninit;
use egui_toast::{Toast, ToastKind, ToastOptions};
use tracing::{error, warn};
use crate::{audio::Audio, graphics::TextureSink};
use shrooms_vb_core::{Sim, StopReason, EXPECTED_FRAME_SIZE};
@ -608,7 +609,7 @@ impl Emulator {
return;
}
}
eprintln!("{}", message);
error!("{}", message);
}
}
@ -704,7 +705,7 @@ impl EmulatorClient {
match self.queue.send(command) {
Ok(()) => true,
Err(err) => {
eprintln!(
warn!(
"could not send command {:?} as emulator is shut down",
err.0
);

View File

@ -12,6 +12,7 @@ use tokio::{
select,
sync::{mpsc, oneshot},
};
use tracing::{debug, enabled, error, info, Level};
use crate::emulator::{
DebugEvent, DebugStopReason, EmulatorClient, EmulatorCommand, SimId, VBWatchpointType,
@ -78,15 +79,19 @@ async fn run_server(
port: u16,
status: &Mutex<GdbServerStatus>,
) {
info!("Connecting to debugger on port {port}...");
let Some(stream) = try_connect(port, status).await else {
return;
};
info!("Connected!");
let mut connection = GdbConnection::new(sim_id, client);
match connection.run(stream).await {
Ok(()) => {
info!("Finished debugging.");
*status.lock().unwrap() = GdbServerStatus::Stopped;
}
Err(error) => {
error!(%error, "Error from debugger.");
*status.lock().unwrap() = GdbServerStatus::Error(error.to_string());
}
}
@ -97,6 +102,7 @@ async fn try_connect(port: u16, status: &Mutex<GdbServerStatus>) -> Option<TcpSt
let listener = match TcpListener::bind(("127.0.0.1", port)).await {
Ok(l) => l,
Err(err) => {
error!(%err, "Could not open port.");
*status.lock().unwrap() = GdbServerStatus::Error(err.to_string());
return None;
}
@ -107,6 +113,7 @@ async fn try_connect(port: u16, status: &Mutex<GdbServerStatus>) -> Option<TcpSt
Some(stream)
}
Err(err) => {
error!(%err, "Could not connect to debugger.");
*status.lock().unwrap() = GdbServerStatus::Error(err.to_string());
None
}
@ -169,9 +176,11 @@ impl GdbConnection {
};
if let Some(res) = response {
let buffer = res.finish();
match std::str::from_utf8(&buffer) {
Ok(text) => println!("response: {text}"),
Err(_) => println!("response: {buffer:02x?}"),
if enabled!(Level::DEBUG) {
match std::str::from_utf8(&buffer) {
Ok(text) => debug!("response: {text}"),
Err(_) => debug!("response: {buffer:02x?}"),
}
}
tx.write_all(&buffer).await?;
self.response_buf = Some(buffer);
@ -196,7 +205,7 @@ impl GdbConnection {
}
fn handle_request(&mut self, mut req: Request<'_>) -> Result<Option<Response>> {
println!("received {:02x?}", req);
debug!("received {:02x?}", req);
if req.kind == RequestKind::Signal {
self.client

View File

@ -8,6 +8,8 @@ use app::Application;
use clap::Parser;
use emulator::EmulatorBuilder;
use thread_priority::{ThreadBuilder, ThreadPriority};
use tracing::error;
use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt, EnvFilter, Layer};
use winit::event_loop::{ControlFlow, EventLoop};
mod app;
@ -29,6 +31,13 @@ struct Args {
debug_port: Option<u16>,
}
fn init_logger() {
let directives = std::env::var("RUST_LOG").unwrap_or("error,lemur=info".into());
let filter = EnvFilter::builder().parse_lossy(directives);
let layer = tracing_subscriber::fmt::layer().with_filter(filter);
tracing_subscriber::registry().with(layer).init();
}
fn set_panic_handler() {
std::panic::set_hook(Box::new(|info| {
let mut message = String::new();
@ -76,6 +85,8 @@ fn set_process_priority_to_high() -> Result<()> {
}
fn main() -> Result<()> {
init_logger();
set_panic_handler();
#[cfg(windows)]
@ -97,8 +108,8 @@ fn main() -> Result<()> {
.spawn_careless(move || {
let mut emulator = match builder.build() {
Ok(e) => e,
Err(err) => {
eprintln!("Error initializing emulator: {err}");
Err(error) => {
error!(%error, "Error initializing emulator");
process::exit(1);
}
};