gecko-dev/third_party/rust/object/examples/objdump.rs

78 строки
2.2 KiB
Rust

use object::{Object, ObjectSection};
use std::{env, fs, process};
fn main() {
let arg_len = env::args().len();
if arg_len <= 1 {
eprintln!("Usage: {} <file> ...", env::args().next().unwrap());
process::exit(1);
}
for file_path in env::args().skip(1) {
if arg_len > 2 {
println!();
println!("{}:", file_path);
}
let file = match fs::File::open(&file_path) {
Ok(file) => file,
Err(err) => {
println!("Failed to open file '{}': {}", file_path, err,);
return;
}
};
let file = match unsafe { memmap::Mmap::map(&file) } {
Ok(mmap) => mmap,
Err(err) => {
println!("Failed to map file '{}': {}", file_path, err,);
return;
}
};
let file = match object::File::parse(&*file) {
Ok(file) => file,
Err(err) => {
println!("Failed to parse file '{}': {}", file_path, err);
return;
}
};
if let Some(uuid) = file.mach_uuid() {
println!("Mach UUID: {}", uuid);
}
if let Some(build_id) = file.build_id() {
println!("Build ID: {:x?}", build_id);
}
if let Some((filename, crc)) = file.gnu_debuglink() {
println!(
"GNU debug link: {} CRC: {:08x}",
String::from_utf8_lossy(filename),
crc
);
}
for segment in file.segments() {
println!("{:?}", segment);
}
for (index, section) in file.sections().enumerate() {
println!("{}: {:?}", index, section);
}
for (index, symbol) in file.symbols() {
println!("{}: {:?}", index.0, symbol);
}
for section in file.sections() {
if section.relocations().next().is_some() {
println!(
"\n{} relocations",
section.name().unwrap_or("<invalid name>")
);
for relocation in section.relocations() {
println!("{:?}", relocation);
}
}
}
}
}