52 lines
1.8 KiB
Rust
52 lines
1.8 KiB
Rust
use std::{fmt::Display, fs::File, io::Read};
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use macho_unwind_info::opcodes::{OpcodeArm64, OpcodeX86, OpcodeX86_64};
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use macho_unwind_info::UnwindInfo;
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use object::{Architecture, ObjectSection};
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fn main() {
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let mut args = std::env::args_os().skip(1);
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if args.len() < 1 {
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eprintln!("Usage: {} <path>", std::env::args().next().unwrap());
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std::process::exit(1);
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}
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let path = args.next().unwrap();
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let mut data = Vec::new();
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let mut file = File::open(path).unwrap();
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file.read_to_end(&mut data).unwrap();
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let data = &data[..];
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let file = object::File::parse(data).expect("Could not parse object file");
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use object::Object;
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let unwind_info_data_section = file
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.section_by_name_bytes(b"__unwind_info")
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.expect("Could not find __unwind_info section");
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let data = unwind_info_data_section.data().unwrap();
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let arch = file.architecture();
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let info = UnwindInfo::parse(data).unwrap();
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let address_range = info.address_range();
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println!(
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"Unwind info for address range 0x{:08x}-0x{:08x}",
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address_range.start, address_range.end
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);
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println!();
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let mut function_iter = info.functions();
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while let Some(function) = function_iter.next().unwrap() {
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print_entry(function.start_address, function.opcode, arch);
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}
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}
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fn print_entry(address: u32, opcode: u32, arch: Architecture) {
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match arch {
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Architecture::I386 => print_entry_impl(address, OpcodeX86::parse(opcode)),
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Architecture::X86_64 => print_entry_impl(address, OpcodeX86_64::parse(opcode)),
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Architecture::Aarch64 => print_entry_impl(address, OpcodeArm64::parse(opcode)),
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_ => {}
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}
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}
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fn print_entry_impl(address: u32, opcode: impl Display) {
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println!("0x{:08x}: {}", address, opcode);
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}
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