Initial vendor packages

Signed-off-by: Valentin Popov <valentin@popov.link>

1 files changed, 289 insertions, 0 deletions

diff --git a/vendor/object/tests/round_trip/elf.rs b/vendor/object/tests/round_trip/elf.rs
new file mode 100644
index 0000000..0aafadc
--- /dev/null
+++ b/vendor/object/tests/round_trip/elf.rs
@@ -0,0 +1,289 @@
+use object::read::elf::{FileHeader, SectionHeader};
+use object::read::{Object, ObjectSection, ObjectSymbol};
+use object::{
+    elf, read, write, Architecture, BinaryFormat, Endianness, LittleEndian, SectionIndex,
+    SectionKind, SymbolFlags, SymbolKind, SymbolScope, SymbolSection, U32,
+};
+use std::io::Write;
+
+#[test]
+fn symtab_shndx() {
+    let mut object =
+        write::Object::new(BinaryFormat::Elf, Architecture::X86_64, Endianness::Little);
+
+    for i in 0..0x10000 {
+        let name = format!("func{}", i).into_bytes();
+        let (section, offset) =
+            object.add_subsection(write::StandardSection::Text, &name, &[0xcc], 1);
+        object.add_symbol(write::Symbol {
+            name,
+            value: offset,
+            size: 1,
+            kind: SymbolKind::Text,
+            scope: SymbolScope::Linkage,
+            weak: false,
+            section: write::SymbolSection::Section(section),
+            flags: SymbolFlags::None,
+        });
+    }
+    let bytes = object.write().unwrap();
+
+    //std::fs::write(&"symtab_shndx.o", &bytes).unwrap();
+
+    let object = read::File::parse(&*bytes).unwrap();
+    assert_eq!(object.format(), BinaryFormat::Elf);
+    assert_eq!(object.architecture(), Architecture::X86_64);
+
+    for symbol in object.symbols().skip(1) {
+        assert_eq!(
+            symbol.section(),
+            SymbolSection::Section(SectionIndex(symbol.index().0))
+        );
+    }
+}
+
+#[test]
+fn aligned_sections() {
+    let mut object =
+        write::Object::new(BinaryFormat::Elf, Architecture::X86_64, Endianness::Little);
+
+    let text_section_id = object.add_section(vec![], b".text".to_vec(), SectionKind::Text);
+    let text_section = object.section_mut(text_section_id);
+    text_section.set_data(&[][..], 4096);
+
+    let data_section_id = object.add_section(vec![], b".data".to_vec(), SectionKind::Data);
+    let data_section = object.section_mut(data_section_id);
+    data_section.set_data(&b"1234"[..], 16);
+
+    let bytes = object.write().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 _ = sections.next().unwrap();
+
+    let section = sections.next().unwrap();
+    assert_eq!(section.name(), Ok(".text"));
+    assert_eq!(section.file_range(), Some((4096, 0)));
+
+    let section = sections.next().unwrap();
+    assert_eq!(section.name(), Ok(".data"));
+    assert_eq!(section.file_range(), Some((4096, 4)));
+}
+
+#[cfg(feature = "compression")]
+#[test]
+fn compression_zlib() {
+    use object::read::ObjectSection;
+    use object::LittleEndian as LE;
+
+    let data = b"test data data data";
+    let len = data.len() as u64;
+
+    let mut ch = object::elf::CompressionHeader64::<LE>::default();
+    ch.ch_type.set(LE, object::elf::ELFCOMPRESS_ZLIB);
+    ch.ch_size.set(LE, len);
+    ch.ch_addralign.set(LE, 1);
+
+    let mut buf = Vec::new();
+    buf.write(object::bytes_of(&ch)).unwrap();
+    let mut encoder = flate2::write::ZlibEncoder::new(buf, flate2::Compression::default());
+    encoder.write_all(data).unwrap();
+    let compressed = encoder.finish().unwrap();
+
+    let mut object =
+        write::Object::new(BinaryFormat::Elf, Architecture::X86_64, Endianness::Little);
+    let section = object.add_section(
+        Vec::new(),
+        b".debug_info".to_vec(),
+        object::SectionKind::Other,
+    );
+    object.section_mut(section).set_data(compressed, 1);
+    object.section_mut(section).flags = object::SectionFlags::Elf {
+        sh_flags: object::elf::SHF_COMPRESSED.into(),
+    };
+    let bytes = object.write().unwrap();
+
+    //std::fs::write(&"compression.o", &bytes).unwrap();
+
+    let object = read::File::parse(&*bytes).unwrap();
+    assert_eq!(object.format(), BinaryFormat::Elf);
+    assert_eq!(object.architecture(), Architecture::X86_64);
+
+    let section = object.section_by_name(".debug_info").unwrap();
+    let uncompressed = section.uncompressed_data().unwrap();
+    assert_eq!(data, &*uncompressed);
+}
+
+#[cfg(feature = "compression")]
+#[test]
+fn compression_gnu() {
+    use object::read::ObjectSection;
+    use std::io::Write;
+
+    let data = b"test data data data";
+    let len = data.len() as u32;
+
+    let mut buf = Vec::new();
+    buf.write_all(b"ZLIB\0\0\0\0").unwrap();
+    buf.write_all(&len.to_be_bytes()).unwrap();
+    let mut encoder = flate2::write::ZlibEncoder::new(buf, flate2::Compression::default());
+    encoder.write_all(data).unwrap();
+    let compressed = encoder.finish().unwrap();
+
+    let mut object =
+        write::Object::new(BinaryFormat::Elf, Architecture::X86_64, Endianness::Little);
+    let section = object.add_section(
+        Vec::new(),
+        b".zdebug_info".to_vec(),
+        object::SectionKind::Other,
+    );
+    object.section_mut(section).set_data(compressed, 1);
+    let bytes = object.write().unwrap();
+
+    //std::fs::write(&"compression.o", &bytes).unwrap();
+
+    let object = read::File::parse(&*bytes).unwrap();
+    assert_eq!(object.format(), BinaryFormat::Elf);
+    assert_eq!(object.architecture(), Architecture::X86_64);
+
+    let section = object.section_by_name(".zdebug_info").unwrap();
+    let uncompressed = section.uncompressed_data().unwrap();
+    assert_eq!(data, &*uncompressed);
+}
+
+#[test]
+fn note() {
+    let endian = Endianness::Little;
+    let mut object = write::Object::new(BinaryFormat::Elf, Architecture::X86_64, endian);
+
+    // Add note section with align = 4.
+    let mut buffer = Vec::new();
+
+    buffer
+        .write(object::bytes_of(&elf::NoteHeader32 {
+            n_namesz: U32::new(endian, 6),
+            n_descsz: U32::new(endian, 11),
+            n_type: U32::new(endian, 1),
+        }))
+        .unwrap();
+    buffer.write(b"name1\0\0\0").unwrap();
+    buffer.write(b"descriptor\0\0").unwrap();
+
+    buffer
+        .write(object::bytes_of(&elf::NoteHeader32 {
+            n_namesz: U32::new(endian, 6),
+            n_descsz: U32::new(endian, 11),
+            n_type: U32::new(endian, 2),
+        }))
+        .unwrap();
+    buffer.write(b"name2\0\0\0").unwrap();
+    buffer.write(b"descriptor\0\0").unwrap();
+
+    let section = object.add_section(Vec::new(), b".note4".to_vec(), SectionKind::Note);
+    object.section_mut(section).set_data(buffer, 4);
+
+    // Add note section with align = 8.
+    let mut buffer = Vec::new();
+
+    buffer
+        .write(object::bytes_of(&elf::NoteHeader32 {
+            n_namesz: U32::new(endian, 6),
+            n_descsz: U32::new(endian, 11),
+            n_type: U32::new(endian, 1),
+        }))
+        .unwrap();
+    buffer.write(b"name1\0\0\0\0\0\0\0").unwrap();
+    buffer.write(b"descriptor\0\0\0\0\0\0").unwrap();
+
+    buffer
+        .write(object::bytes_of(&elf::NoteHeader32 {
+            n_namesz: U32::new(endian, 4),
+            n_descsz: U32::new(endian, 11),
+            n_type: U32::new(endian, 2),
+        }))
+        .unwrap();
+    buffer.write(b"abc\0").unwrap();
+    buffer.write(b"descriptor\0\0\0\0\0\0").unwrap();
+
+    let section = object.add_section(Vec::new(), b".note8".to_vec(), SectionKind::Note);
+    object.section_mut(section).set_data(buffer, 8);
+
+    let bytes = &*object.write().unwrap();
+
+    //std::fs::write(&"note.o", &bytes).unwrap();
+
+    let header = elf::FileHeader64::parse(bytes).unwrap();
+    let endian: LittleEndian = header.endian().unwrap();
+    let sections = header.sections(endian, bytes).unwrap();
+
+    let section = sections.section(SectionIndex(1)).unwrap();
+    assert_eq!(sections.section_name(endian, section).unwrap(), b".note4");
+    assert_eq!(section.sh_addralign(endian), 4);
+    let mut notes = section.notes(endian, bytes).unwrap().unwrap();
+    let note = notes.next().unwrap().unwrap();
+    assert_eq!(note.name(), b"name1");
+    assert_eq!(note.desc(), b"descriptor\0");
+    assert_eq!(note.n_type(endian), 1);
+    let note = notes.next().unwrap().unwrap();
+    assert_eq!(note.name(), b"name2");
+    assert_eq!(note.desc(), b"descriptor\0");
+    assert_eq!(note.n_type(endian), 2);
+    assert!(notes.next().unwrap().is_none());
+
+    let section = sections.section(SectionIndex(2)).unwrap();
+    assert_eq!(sections.section_name(endian, section).unwrap(), b".note8");
+    assert_eq!(section.sh_addralign(endian), 8);
+    let mut notes = section.notes(endian, bytes).unwrap().unwrap();
+    let note = notes.next().unwrap().unwrap();
+    assert_eq!(note.name(), b"name1");
+    assert_eq!(note.desc(), b"descriptor\0");
+    assert_eq!(note.n_type(endian), 1);
+    let note = notes.next().unwrap().unwrap();
+    assert_eq!(note.name(), b"abc");
+    assert_eq!(note.desc(), b"descriptor\0");
+    assert_eq!(note.n_type(endian), 2);
+    assert!(notes.next().unwrap().is_none());
+}
+
+#[test]
+fn gnu_property() {
+    gnu_property_inner::<elf::FileHeader32<Endianness>>(Architecture::I386);
+    gnu_property_inner::<elf::FileHeader64<Endianness>>(Architecture::X86_64);
+}
+
+fn gnu_property_inner<Elf: FileHeader<Endian = Endianness>>(architecture: Architecture) {
+    let endian = Endianness::Little;
+    let mut object = write::Object::new(BinaryFormat::Elf, architecture, endian);
+    object.add_elf_gnu_property_u32(
+        elf::GNU_PROPERTY_X86_FEATURE_1_AND,
+        elf::GNU_PROPERTY_X86_FEATURE_1_IBT | elf::GNU_PROPERTY_X86_FEATURE_1_SHSTK,
+    );
+
+    let bytes = &*object.write().unwrap();
+
+    //std::fs::write(&"note.o", &bytes).unwrap();
+
+    let header = Elf::parse(bytes).unwrap();
+    assert_eq!(header.endian().unwrap(), endian);
+    let sections = header.sections(endian, bytes).unwrap();
+    let section = sections.section(SectionIndex(1)).unwrap();
+    assert_eq!(
+        sections.section_name(endian, section).unwrap(),
+        b".note.gnu.property"
+    );
+    assert_eq!(section.sh_flags(endian).into(), u64::from(elf::SHF_ALLOC));
+    let mut notes = section.notes(endian, bytes).unwrap().unwrap();
+    let note = notes.next().unwrap().unwrap();
+    let mut props = note.gnu_properties(endian).unwrap();
+    let prop = props.next().unwrap().unwrap();
+    assert_eq!(prop.pr_type(), elf::GNU_PROPERTY_X86_FEATURE_1_AND);
+    assert_eq!(
+        prop.data_u32(endian).unwrap(),
+        elf::GNU_PROPERTY_X86_FEATURE_1_IBT | elf::GNU_PROPERTY_X86_FEATURE_1_SHSTK
+    );
+    assert!(props.next().unwrap().is_none());
+    assert!(notes.next().unwrap().is_none());
+}