diff options
Diffstat (limited to 'vendor/object-0.26.2/examples/objdump.rs')
-rw-r--r-- | vendor/object-0.26.2/examples/objdump.rs | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/vendor/object-0.26.2/examples/objdump.rs b/vendor/object-0.26.2/examples/objdump.rs new file mode 100644 index 000000000..b6eb0003f --- /dev/null +++ b/vendor/object-0.26.2/examples/objdump.rs @@ -0,0 +1,230 @@ +use object::read::archive::ArchiveFile; +use object::read::macho::{DyldCache, FatArch, FatHeader}; +use object::{Endianness, Object, ObjectComdat, ObjectSection, ObjectSymbol}; +use std::{env, fs, process}; + +fn main() { + let mut args = env::args(); + let cmd = args.next().unwrap(); + if args.len() == 0 { + eprintln!("Usage: {} <file> [<member>...]", cmd); + process::exit(1); + } + let file_path = args.next().unwrap(); + let mut member_names: Vec<_> = args.map(|name| (name, false)).collect(); + + let file = match fs::File::open(&file_path) { + Ok(file) => file, + Err(err) => { + eprintln!("Failed to open file '{}': {}", file_path, err,); + process::exit(1); + } + }; + let file = match unsafe { memmap2::Mmap::map(&file) } { + Ok(mmap) => mmap, + Err(err) => { + eprintln!("Failed to map file '{}': {}", file_path, err,); + process::exit(1); + } + }; + + if let Ok(archive) = ArchiveFile::parse(&*file) { + eprintln!("Format: Archive (kind: {:?})", archive.kind()); + for member in archive.members() { + if let Ok(member) = member { + if find_member(&mut member_names, member.name()) { + println!(); + println!("{}:", String::from_utf8_lossy(member.name())); + if let Ok(data) = member.data(&*file) { + dump_object(data); + } + } + } + } + } else if let Ok(arches) = FatHeader::parse_arch32(&*file) { + println!("Format: Mach-O Fat 32"); + for arch in arches { + println!(); + println!("Fat Arch: {:?}", arch.architecture()); + if let Ok(data) = arch.data(&*file) { + dump_object(data); + } + } + } else if let Ok(arches) = FatHeader::parse_arch64(&*file) { + println!("Format: Mach-O Fat 64"); + for arch in arches { + println!(); + println!("Fat Arch: {:?}", arch.architecture()); + if let Ok(data) = arch.data(&*file) { + dump_object(data); + } + } + } else if let Ok(cache) = DyldCache::<Endianness>::parse(&*file) { + println!("Format: dyld cache {:?}-endian", cache.endianness()); + println!("Architecture: {:?}", cache.architecture()); + for image in cache.images() { + if let Ok(path) = image.path() { + if find_member(&mut member_names, path.as_bytes()) { + println!(); + println!("{}:", path); + let file = match image.parse_object() { + Ok(file) => file, + Err(err) => { + eprintln!("Failed to parse file: {}", err); + continue; + } + }; + dump_parsed_object(&file); + } + } + } + } else { + dump_object(&*file); + } + + for (name, found) in member_names { + if !found { + eprintln!("Failed to find member '{}", name); + } + } +} + +fn find_member(member_names: &mut [(String, bool)], name: &[u8]) -> bool { + if member_names.is_empty() { + return true; + } + match member_names.iter().position(|x| x.0.as_bytes() == name) { + Some(i) => { + member_names[i].1 = true; + true + } + None => false, + } +} + +fn dump_object(data: &[u8]) { + let file = match object::File::parse(data) { + Ok(file) => file, + Err(err) => { + println!("Failed to parse file: {}", err); + return; + } + }; + dump_parsed_object(&file); +} + +fn dump_parsed_object(file: &object::File) { + println!( + "Format: {:?} {:?}-endian {}-bit", + file.format(), + file.endianness(), + if file.is_64() { "64" } else { "32" } + ); + println!("Architecture: {:?}", file.architecture()); + println!("Flags: {:x?}", file.flags()); + println!("Relative Address Base: {:x?}", file.relative_address_base()); + println!("Entry Address: {:x?}", file.entry()); + + match file.mach_uuid() { + Ok(Some(uuid)) => println!("Mach UUID: {:x?}", uuid), + Ok(None) => {} + Err(e) => println!("Failed to parse Mach UUID: {}", e), + } + match file.build_id() { + Ok(Some(build_id)) => println!("Build ID: {:x?}", build_id), + Ok(None) => {} + Err(e) => println!("Failed to parse build ID: {}", e), + } + match file.gnu_debuglink() { + Ok(Some((filename, crc))) => println!( + "GNU debug link: {} CRC: {:08x}", + String::from_utf8_lossy(filename), + crc, + ), + Ok(None) => {} + Err(e) => println!("Failed to parse GNU debug link: {}", e), + } + match file.gnu_debugaltlink() { + Ok(Some((filename, build_id))) => println!( + "GNU debug alt link: {}, build ID: {:x?}", + String::from_utf8_lossy(filename), + build_id, + ), + Ok(None) => {} + Err(e) => println!("Failed to parse GNU debug alt link: {}", e), + } + match file.pdb_info() { + Ok(Some(info)) => println!( + "PDB file: {}, GUID: {:x?}, Age: {}", + String::from_utf8_lossy(info.path()), + info.guid(), + info.age() + ), + Ok(None) => {} + Err(e) => println!("Failed to parse PE CodeView info: {}", e), + } + + for segment in file.segments() { + println!("{:x?}", segment); + } + + for section in file.sections() { + println!("{}: {:x?}", section.index().0, section); + } + + for comdat in file.comdats() { + print!("{:?} Sections:", comdat); + for section in comdat.sections() { + print!(" {}", section.0); + } + println!(); + } + + println!(); + println!("Symbols"); + for symbol in file.symbols() { + println!("{}: {:x?}", symbol.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!("{:x?}", relocation); + } + } + } + + println!(); + println!("Dynamic symbols"); + for symbol in file.dynamic_symbols() { + println!("{}: {:x?}", symbol.index().0, symbol); + } + + if let Some(relocations) = file.dynamic_relocations() { + println!(); + println!("Dynamic relocations"); + for relocation in relocations { + println!("{:x?}", relocation); + } + } + + let imports = file.imports().unwrap(); + if !imports.is_empty() { + println!(); + for import in imports { + println!("{:?}", import); + } + } + + let exports = file.exports().unwrap(); + if !exports.is_empty() { + println!(); + for export in exports { + println!("{:x?}", export); + } + } +} |