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#![cfg(all(feature = "read", feature = "write"))]
use object::read::{Object, ObjectSection, ObjectSymbol};
use object::{read, write};
use object::{
Architecture, BinaryFormat, Endianness, RelocationEncoding, RelocationKind, SectionKind,
SymbolFlags, SymbolKind, SymbolScope,
};
#[test]
fn coff_x86_64_tls() {
let mut object =
write::Object::new(BinaryFormat::Coff, Architecture::X86_64, Endianness::Little);
let section = object.section_id(write::StandardSection::Tls);
let symbol = object.add_symbol(write::Symbol {
name: b"tls1".to_vec(),
value: 0,
size: 0,
kind: SymbolKind::Tls,
scope: SymbolScope::Linkage,
weak: false,
section: write::SymbolSection::Undefined,
flags: SymbolFlags::None,
});
object.add_symbol_data(symbol, section, &[1; 30], 4);
let bytes = object.write().unwrap();
//std::fs::write(&"tls.o", &bytes).unwrap();
let object = read::File::parse(&*bytes).unwrap();
assert_eq!(object.format(), BinaryFormat::Coff);
assert_eq!(object.architecture(), Architecture::X86_64);
let mut sections = object.sections();
let section = sections.next().unwrap();
println!("{:?}", section);
let tls_index = section.index();
assert_eq!(section.name(), Ok(".tls$"));
assert_eq!(section.kind(), SectionKind::Data);
assert_eq!(section.size(), 30);
assert_eq!(section.data().unwrap(), &[1; 30]);
let mut symbols = object.symbols();
let symbol = symbols.next().unwrap();
println!("{:?}", symbol);
assert_eq!(symbol.name(), Ok("tls1"));
assert_eq!(symbol.kind(), SymbolKind::Data);
assert_eq!(symbol.section_index(), Some(tls_index));
assert_eq!(symbol.scope(), SymbolScope::Linkage);
assert!(!symbol.is_weak());
assert!(!symbol.is_undefined());
}
#[test]
fn elf_x86_64_tls() {
let mut object =
write::Object::new(BinaryFormat::Elf, Architecture::X86_64, Endianness::Little);
let section = object.section_id(write::StandardSection::Tls);
let symbol = object.add_symbol(write::Symbol {
name: b"tls1".to_vec(),
value: 0,
size: 0,
kind: SymbolKind::Tls,
scope: SymbolScope::Linkage,
weak: false,
section: write::SymbolSection::Undefined,
flags: SymbolFlags::None,
});
object.add_symbol_data(symbol, section, &[1; 30], 4);
let section = object.section_id(write::StandardSection::UninitializedTls);
let symbol = object.add_symbol(write::Symbol {
name: b"tls2".to_vec(),
value: 0,
size: 0,
kind: SymbolKind::Tls,
scope: SymbolScope::Linkage,
weak: false,
section: write::SymbolSection::Undefined,
flags: SymbolFlags::None,
});
object.add_symbol_bss(symbol, section, 31, 4);
let bytes = object.write().unwrap();
//std::fs::write(&"tls.o", &bytes).unwrap();
let object = read::File::parse(&*bytes).unwrap();
assert_eq!(object.format(), BinaryFormat::Elf);
assert_eq!(object.architecture(), Architecture::X86_64);
let mut sections = object.sections();
let section = sections.next().unwrap();
println!("{:?}", section);
let tdata_index = section.index();
assert_eq!(section.name(), Ok(".tdata"));
assert_eq!(section.kind(), SectionKind::Tls);
assert_eq!(section.size(), 30);
assert_eq!(section.data().unwrap(), &[1; 30]);
let section = sections.next().unwrap();
println!("{:?}", section);
let tbss_index = section.index();
assert_eq!(section.name(), Ok(".tbss"));
assert_eq!(section.kind(), SectionKind::UninitializedTls);
assert_eq!(section.size(), 31);
assert_eq!(section.data().unwrap(), &[]);
let mut symbols = object.symbols();
let symbol = symbols.next().unwrap();
println!("{:?}", symbol);
assert_eq!(symbol.name(), Ok("tls1"));
assert_eq!(symbol.kind(), SymbolKind::Tls);
assert_eq!(symbol.section_index(), Some(tdata_index));
assert_eq!(symbol.scope(), SymbolScope::Linkage);
assert!(!symbol.is_weak());
assert!(!symbol.is_undefined());
assert_eq!(symbol.size(), 30);
let symbol = symbols.next().unwrap();
println!("{:?}", symbol);
assert_eq!(symbol.name(), Ok("tls2"));
assert_eq!(symbol.kind(), SymbolKind::Tls);
assert_eq!(symbol.section_index(), Some(tbss_index));
assert_eq!(symbol.scope(), SymbolScope::Linkage);
assert!(!symbol.is_weak());
assert!(!symbol.is_undefined());
assert_eq!(symbol.size(), 31);
}
#[test]
fn macho_x86_64_tls() {
let mut object = write::Object::new(
BinaryFormat::MachO,
Architecture::X86_64,
Endianness::Little,
);
let section = object.section_id(write::StandardSection::Tls);
let symbol = object.add_symbol(write::Symbol {
name: b"tls1".to_vec(),
value: 0,
size: 0,
kind: SymbolKind::Tls,
scope: SymbolScope::Linkage,
weak: false,
section: write::SymbolSection::Undefined,
flags: SymbolFlags::None,
});
object.add_symbol_data(symbol, section, &[1; 30], 4);
let section = object.section_id(write::StandardSection::UninitializedTls);
let symbol = object.add_symbol(write::Symbol {
name: b"tls2".to_vec(),
value: 0,
size: 0,
kind: SymbolKind::Tls,
scope: SymbolScope::Linkage,
weak: false,
section: write::SymbolSection::Undefined,
flags: SymbolFlags::None,
});
object.add_symbol_bss(symbol, section, 31, 4);
let bytes = object.write().unwrap();
//std::fs::write(&"tls.o", &bytes).unwrap();
let object = read::File::parse(&*bytes).unwrap();
assert_eq!(object.format(), BinaryFormat::MachO);
assert_eq!(object.architecture(), Architecture::X86_64);
let mut sections = object.sections();
let thread_data = sections.next().unwrap();
println!("{:?}", thread_data);
let thread_data_index = thread_data.index();
assert_eq!(thread_data.name(), Ok("__thread_data"));
assert_eq!(thread_data.segment_name(), Ok(Some("__DATA")));
assert_eq!(thread_data.kind(), SectionKind::Tls);
assert_eq!(thread_data.size(), 30);
assert_eq!(thread_data.data().unwrap(), &[1; 30]);
let thread_vars = sections.next().unwrap();
println!("{:?}", thread_vars);
let thread_vars_index = thread_vars.index();
assert_eq!(thread_vars.name(), Ok("__thread_vars"));
assert_eq!(thread_vars.segment_name(), Ok(Some("__DATA")));
assert_eq!(thread_vars.kind(), SectionKind::TlsVariables);
assert_eq!(thread_vars.size(), 2 * 3 * 8);
assert_eq!(thread_vars.data().unwrap(), &[0; 48]);
let thread_bss = sections.next().unwrap();
println!("{:?}", thread_bss);
let thread_bss_index = thread_bss.index();
assert_eq!(thread_bss.name(), Ok("__thread_bss"));
assert_eq!(thread_bss.segment_name(), Ok(Some("__DATA")));
assert_eq!(thread_bss.kind(), SectionKind::UninitializedTls);
assert_eq!(thread_bss.size(), 31);
assert_eq!(thread_bss.data(), Ok(&[][..]));
let mut symbols = object.symbols();
let symbol = symbols.next().unwrap();
println!("{:?}", symbol);
let tls1_init_symbol = symbol.index();
assert_eq!(symbol.name(), Ok("_tls1$tlv$init"));
assert_eq!(symbol.kind(), SymbolKind::Tls);
assert_eq!(symbol.section_index(), Some(thread_data_index));
assert_eq!(symbol.scope(), SymbolScope::Compilation);
assert!(!symbol.is_weak());
assert!(!symbol.is_undefined());
let symbol = symbols.next().unwrap();
println!("{:?}", symbol);
let tls2_init_symbol = symbol.index();
assert_eq!(symbol.name(), Ok("_tls2$tlv$init"));
assert_eq!(symbol.kind(), SymbolKind::Tls);
assert_eq!(symbol.section_index(), Some(thread_bss_index));
assert_eq!(symbol.scope(), SymbolScope::Compilation);
assert!(!symbol.is_weak());
assert!(!symbol.is_undefined());
let symbol = symbols.next().unwrap();
println!("{:?}", symbol);
assert_eq!(symbol.name(), Ok("_tls1"));
assert_eq!(symbol.kind(), SymbolKind::Tls);
assert_eq!(symbol.section_index(), Some(thread_vars_index));
assert_eq!(symbol.scope(), SymbolScope::Linkage);
assert!(!symbol.is_weak());
assert!(!symbol.is_undefined());
let symbol = symbols.next().unwrap();
println!("{:?}", symbol);
assert_eq!(symbol.name(), Ok("_tls2"));
assert_eq!(symbol.kind(), SymbolKind::Tls);
assert_eq!(symbol.section_index(), Some(thread_vars_index));
assert_eq!(symbol.scope(), SymbolScope::Linkage);
assert!(!symbol.is_weak());
assert!(!symbol.is_undefined());
let symbol = symbols.next().unwrap();
println!("{:?}", symbol);
let tlv_bootstrap_symbol = symbol.index();
assert_eq!(symbol.name(), Ok("__tlv_bootstrap"));
assert_eq!(symbol.kind(), SymbolKind::Unknown);
assert_eq!(symbol.section_index(), None);
assert_eq!(symbol.scope(), SymbolScope::Unknown);
assert!(!symbol.is_weak());
assert!(symbol.is_undefined());
let mut relocations = thread_vars.relocations();
let (offset, relocation) = relocations.next().unwrap();
println!("{:?}", relocation);
assert_eq!(offset, 40);
assert_eq!(relocation.kind(), RelocationKind::Absolute);
assert_eq!(relocation.encoding(), RelocationEncoding::Generic);
assert_eq!(relocation.size(), 64);
assert_eq!(
relocation.target(),
read::RelocationTarget::Symbol(tls2_init_symbol)
);
assert_eq!(relocation.addend(), 0);
let (offset, relocation) = relocations.next().unwrap();
println!("{:?}", relocation);
assert_eq!(offset, 24);
assert_eq!(relocation.kind(), RelocationKind::Absolute);
assert_eq!(relocation.encoding(), RelocationEncoding::Generic);
assert_eq!(relocation.size(), 64);
assert_eq!(
relocation.target(),
read::RelocationTarget::Symbol(tlv_bootstrap_symbol)
);
assert_eq!(relocation.addend(), 0);
let (offset, relocation) = relocations.next().unwrap();
println!("{:?}", relocation);
assert_eq!(offset, 16);
assert_eq!(relocation.kind(), RelocationKind::Absolute);
assert_eq!(relocation.encoding(), RelocationEncoding::Generic);
assert_eq!(relocation.size(), 64);
assert_eq!(
relocation.target(),
read::RelocationTarget::Symbol(tls1_init_symbol)
);
assert_eq!(relocation.addend(), 0);
let (offset, relocation) = relocations.next().unwrap();
println!("{:?}", relocation);
assert_eq!(offset, 0);
assert_eq!(relocation.kind(), RelocationKind::Absolute);
assert_eq!(relocation.encoding(), RelocationEncoding::Generic);
assert_eq!(relocation.size(), 64);
assert_eq!(
relocation.target(),
read::RelocationTarget::Symbol(tlv_bootstrap_symbol)
);
assert_eq!(relocation.addend(), 0);
}