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use chrono::{DateTime, Local};
use nix::libc::user_regs_struct;
use owo_colors::OwoColorize;
use ratatui::{
prelude::{Line, Span, Style},
style::Modifier,
};
#[cfg(all(target_arch = "x86_64", target_os = "linux"))]
use crate::arch::linux::x86_64::syscall_name;
/// Struct used to manipulate registers data from https://docs.rs/libc/0.2.147/libc/struct.user_regs_struct.html
#[derive(Debug)]
pub struct RegistersData {
timestamp: DateTime<Local>,
orig_rax: u64,
rdi: u64,
rsi: u64,
rdx: u64,
rax: u64,
}
impl RegistersData {
/// Create new `RegistersData` from an `user_regs_struct`'C structure
pub fn new(registers: user_regs_struct) -> RegistersData {
RegistersData {
timestamp: Local::now(),
orig_rax: registers.orig_rax,
rdi: registers.rdi,
rsi: registers.rsi,
rdx: registers.rdx,
rax: registers.rax,
}
}
/// Get date in ISO 8601 / RFC 3339 date & time string format
pub fn date(&self) -> String {
self.timestamp.format("%+").to_string()
}
/// Returns a good string which shows the output for a line
pub fn output(&self) -> String {
format!(
"[{}]: {}({:x}, {:x}, {:x}, ...) = {:x}",
self.date(),
syscall_name(self.orig_rax).bold(),
self.rdi,
self.rsi,
self.rdx,
self.rax
)
}
/// Returns a good line for TUI
pub fn output_ui(&self) -> Line {
Line::from(vec![
Span::raw(format!("[{}]: ", self.date())),
Span::styled(
format!("{}", syscall_name(self.orig_rax)),
Style::default().add_modifier(Modifier::BOLD),
),
Span::raw(format!(
"({:x}, {:x}, {:x}, ...) = {:x}",
self.rdi, self.rsi, self.rdx, self.rax
)),
])
}
}
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