From 107e34aca1c9118e1ea62c502d5db5b9ec05cf2e Mon Sep 17 00:00:00 2001 From: Michel Heily Date: Tue, 25 Jun 2019 03:07:47 +0300 Subject: [PATCH] Start debugger repl --- Cargo.lock | 394 ++++++++++++++++++++++++++++++++++++++++++++++++ Cargo.toml | 4 +- src/debugger.rs | 89 +++++++++++ src/main.rs | 24 ++- 4 files changed, 509 insertions(+), 2 deletions(-) create mode 100644 src/debugger.rs diff --git a/Cargo.lock b/Cargo.lock index 0a4cc77..969b355 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -8,6 +8,23 @@ dependencies = [ "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)", ] +[[package]] +name = "argon2rs" +version = "0.2.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +dependencies = [ + "blake2-rfc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)", + "scoped_threadpool 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)", +] + +[[package]] +name = "arrayvec" +version = "0.4.10" +source = 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sysbus: SysBus, +} + +#[derive(Debug, PartialEq)] +pub enum DebuggerError { + ParsingError, +} + +impl From> for DebuggerError { + fn from(e: nom::Err<(&str, nom::error::ErrorKind)>) -> DebuggerError { + DebuggerError::ParsingError + } +} + +type DebuggerResult = Result; + +#[derive(Debug, PartialEq)] +enum DebuggerCommand { + SingleStep, + Continue, + Disass { addr: u32, num_opcodes: u32 }, + Stop, + Nop, +} + +fn parse_debugger_command(input: &str) -> IResult<&str, DebuggerCommand> { + let (input, command_name) = bytes::complete::take_while1(|c: char| c.is_alphanumeric())(input)?; + println!("parsed command: {}", command_name); + + unimplemented!() +} + +impl FromStr for DebuggerCommand { + type Err = DebuggerError; + + fn from_str(text: &str) -> Result { + + } +} + +impl Debugger { + pub fn new(cpu: cpu::Core, sysbus: SysBus) -> Debugger { + Debugger { + cpu: cpu, + sysbus: sysbus, + } + } + + pub fn repl(&self) -> DebuggerResult<()> { + let mut rl = Editor::<()>::new(); + loop { + let readline = rl.readline("(rustboyadvance-dbg) >> "); + match readline { + Ok(line) => { + let command = parse_debugger_command(&line)?; + } + Err(ReadlineError::Interrupted) => { + println!("CTRL-C"); + break; + } + Err(ReadlineError::Eof) => { + println!("CTRL-D"); + break; + } + Err(err) => { + println!("Error: {:?}", err); + break; + } + } + } + Ok(()) + } +} diff --git a/src/main.rs b/src/main.rs index 38e3ed4..c812a3e 100644 --- a/src/main.rs +++ b/src/main.rs @@ -17,17 +17,27 @@ use byteorder::{LittleEndian, ReadBytesExt}; extern crate clap; use clap::{App, ArgMatches}; +extern crate rustyline; + +#[macro_use] +extern crate nom; + pub mod sysbus; use sysbus::SysBus; + mod arm7tdmi; use arm7tdmi::arm; use arm7tdmi::cpu; +mod debugger; +use debugger::{Debugger, DebuggerError}; + #[derive(Debug)] pub enum GBAError { IO(io::Error), ArmDecodeError(arm::ArmDecodeError), CpuError(cpu::CpuError), + DebuggerError(DebuggerError) } pub type GBAResult = Result; @@ -50,6 +60,13 @@ impl From for GBAError { } } +impl From for GBAError { + fn from(err: DebuggerError) -> GBAError { + GBAError::DebuggerError(err) + } +} + + fn read_bin_file(filename: &str) -> GBAResult> { let mut buf = Vec::new(); let mut file = File::open(filename)?; @@ -90,8 +107,13 @@ fn run_debug(matches: &ArgMatches) -> GBAResult<()> { let sysbus = SysBus::new(bios_bin); let core = cpu::Core::new(); + let debugger = Debugger::new(core, sysbus); - unimplemented!() + println!("starting debugger..."); + debugger.repl()?; + println!("ending debugger..."); + + Ok(()) } fn main() {