1 use object::{Object, ObjectComdat, ObjectSection, ObjectSymbol};
2 use std::{env, fs, process};
3
main()4 fn main() {
5 let arg_len = env::args().len();
6 if arg_len <= 1 {
7 eprintln!("Usage: {} <file> ...", env::args().next().unwrap());
8 process::exit(1);
9 }
10
11 for file_path in env::args().skip(1) {
12 if arg_len > 2 {
13 println!();
14 println!("{}:", file_path);
15 }
16
17 let file = match fs::File::open(&file_path) {
18 Ok(file) => file,
19 Err(err) => {
20 println!("Failed to open file '{}': {}", file_path, err,);
21 return;
22 }
23 };
24 let file = match unsafe { memmap::Mmap::map(&file) } {
25 Ok(mmap) => mmap,
26 Err(err) => {
27 println!("Failed to map file '{}': {}", file_path, err,);
28 return;
29 }
30 };
31 let file = match object::File::parse(&*file) {
32 Ok(file) => file,
33 Err(err) => {
34 println!("Failed to parse file '{}': {}", file_path, err);
35 return;
36 }
37 };
38
39 match file.mach_uuid() {
40 Ok(Some(uuid)) => println!("Mach UUID: {:x?}", uuid),
41 Ok(None) => {}
42 Err(e) => println!("Failed to parse Mach UUID: {}", e),
43 }
44 match file.build_id() {
45 Ok(Some(build_id)) => println!("Build ID: {:x?}", build_id),
46 Ok(None) => {}
47 Err(e) => println!("Failed to parse build ID: {}", e),
48 }
49 match file.gnu_debuglink() {
50 Ok(Some((filename, crc))) => println!(
51 "GNU debug link: {} CRC: {:08x}",
52 String::from_utf8_lossy(filename),
53 crc,
54 ),
55 Ok(None) => {}
56 Err(e) => println!("Failed to parse GNU debug link: {}", e),
57 }
58
59 for segment in file.segments() {
60 println!("{:?}", segment);
61 }
62
63 for section in file.sections() {
64 println!("{}: {:?}", section.index().0, section);
65 }
66
67 for comdat in file.comdats() {
68 print!("{:?} Sections:", comdat);
69 for section in comdat.sections() {
70 print!(" {}", section.0);
71 }
72 println!();
73 }
74
75 for symbol in file.symbols() {
76 println!("{}: {:?}", symbol.index().0, symbol);
77 }
78
79 for section in file.sections() {
80 if section.relocations().next().is_some() {
81 println!(
82 "\n{} relocations",
83 section.name().unwrap_or("<invalid name>")
84 );
85 for relocation in section.relocations() {
86 println!("{:?}", relocation);
87 }
88 }
89 }
90 }
91 }
92