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use object::Object;
use std::{env, fs, process};
fn main() {
let mut args = env::args().skip(1);
if args.len() == 0 {
eprintln!(
"Usage: {} <file> [address] ...",
env::args().next().unwrap()
);
process::exit(1);
}
let file_path = args.next().unwrap();
let file = match fs::File::open(&file_path) {
Ok(file) => file,
Err(err) => {
println!("Failed to open file '{}': {}", file_path, err,);
process::exit(1);
}
};
let file = match unsafe { memmap2::Mmap::map(&file) } {
Ok(mmap) => mmap,
Err(err) => {
println!("Failed to map file '{}': {}", file_path, err,);
process::exit(1);
}
};
let file = match object::File::parse(&*file) {
Ok(file) => file,
Err(err) => {
println!("Failed to parse file '{}': {}", file_path, err);
process::exit(1);
}
};
let map = file.object_map();
if args.len() == 0 {
for symbol in map.symbols() {
print_symbol(symbol, &map);
}
} else {
for arg in args {
let mut arg = &arg[..];
if arg.starts_with("0x") {
arg = &arg[2..];
}
let address = u64::from_str_radix(arg, 16).expect("Failed to parse address");
if let Some(symbol) = map.get(address) {
print_symbol(symbol, &map);
} else {
println!("{:} not found", address);
}
}
}
}
fn print_symbol(symbol: &object::ObjectMapEntry<'_>, map: &object::ObjectMap<'_>) {
println!(
"{:x} {:x} {} {}",
symbol.address(),
symbol.size(),
String::from_utf8_lossy(symbol.name()),
String::from_utf8_lossy(symbol.object(map)),
);
}
|