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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
commit2aa4a82499d4becd2284cdb482213d541b8804dd (patch)
treeb80bf8bf13c3766139fbacc530efd0dd9d54394c /third_party/rust/object/tests/tls.rs
parentInitial commit. (diff)
downloadfirefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz
firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.zip
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/object/tests/tls.rs')
-rw-r--r--third_party/rust/object/tests/tls.rs167
1 files changed, 167 insertions, 0 deletions
diff --git a/third_party/rust/object/tests/tls.rs b/third_party/rust/object/tests/tls.rs
new file mode 100644
index 0000000000..653b7e714f
--- /dev/null
+++ b/third_party/rust/object/tests/tls.rs
@@ -0,0 +1,167 @@
+#![cfg(all(feature = "read", feature = "write"))]
+
+use object::read::{Object, ObjectSection};
+use object::{read, write};
+use object::{RelocationEncoding, RelocationKind, SectionKind, SymbolKind, SymbolScope};
+use target_lexicon::{Architecture, BinaryFormat};
+
+#[test]
+fn macho_x86_64_tls() {
+ let mut object = write::Object::new(BinaryFormat::Macho, Architecture::X86_64);
+
+ 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: 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: 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!("{:?}", section);
+ let thread_data_index = thread_data.index();
+ assert_eq!(thread_data.name(), Some("__thread_data"));
+ assert_eq!(thread_data.segment_name(), Some("__DATA"));
+ assert_eq!(thread_data.kind(), SectionKind::Tls);
+ assert_eq!(thread_data.size(), 30);
+ assert_eq!(&thread_data.data()[..], &[1; 30]);
+
+ let thread_vars = sections.next().unwrap();
+ println!("{:?}", section);
+ let thread_vars_index = thread_vars.index();
+ assert_eq!(thread_vars.name(), Some("__thread_vars"));
+ assert_eq!(thread_vars.segment_name(), Some("__DATA"));
+ assert_eq!(thread_vars.kind(), SectionKind::TlsVariables);
+ assert_eq!(thread_vars.size(), 2 * 3 * 8);
+
+ let thread_bss = sections.next().unwrap();
+ println!("{:?}", section);
+ let thread_bss_index = thread_bss.index();
+ assert_eq!(thread_bss.name(), Some("__thread_bss"));
+ assert_eq!(thread_bss.segment_name(), Some("__DATA"));
+ assert_eq!(thread_bss.kind(), SectionKind::UninitializedTls);
+ assert_eq!(thread_bss.size(), 31);
+
+ let mut symbols = object.symbols();
+
+ let (_, symbol) = symbols.next().unwrap();
+ println!("{:?}", symbol);
+ assert_eq!(symbol.name(), Some("_tls1"));
+ assert_eq!(symbol.kind(), SymbolKind::Tls);
+ assert_eq!(symbol.section_index(), Some(thread_vars_index));
+ assert_eq!(symbol.scope(), SymbolScope::Linkage);
+ assert_eq!(symbol.is_weak(), false);
+ assert_eq!(symbol.is_undefined(), false);
+
+ let (tls1_init_symbol, symbol) = symbols.next().unwrap();
+ println!("{:?}", symbol);
+ assert_eq!(symbol.name(), Some("_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_eq!(symbol.is_weak(), false);
+ assert_eq!(symbol.is_undefined(), false);
+
+ let (tlv_bootstrap_symbol, symbol) = symbols.next().unwrap();
+ println!("{:?}", symbol);
+ assert_eq!(symbol.name(), Some("__tlv_bootstrap"));
+ assert_eq!(symbol.kind(), SymbolKind::Unknown);
+ assert_eq!(symbol.section_index(), None);
+ assert_eq!(symbol.scope(), SymbolScope::Unknown);
+ assert_eq!(symbol.is_weak(), false);
+ assert_eq!(symbol.is_undefined(), true);
+
+ let (_, symbol) = symbols.next().unwrap();
+ println!("{:?}", symbol);
+ assert_eq!(symbol.name(), Some("_tls2"));
+ assert_eq!(symbol.kind(), SymbolKind::Tls);
+ assert_eq!(symbol.section_index(), Some(thread_vars_index));
+ assert_eq!(symbol.scope(), SymbolScope::Linkage);
+ assert_eq!(symbol.is_weak(), false);
+ assert_eq!(symbol.is_undefined(), false);
+
+ let (tls2_init_symbol, symbol) = symbols.next().unwrap();
+ println!("{:?}", symbol);
+ assert_eq!(symbol.name(), Some("_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_eq!(symbol.is_weak(), false);
+ assert_eq!(symbol.is_undefined(), false);
+
+ let mut relocations = thread_vars.relocations();
+
+ 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);
+
+ 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, 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, 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);
+}