1 files changed, 115 insertions, 0 deletions
diff --git a/third_party/rust/object/src/read/xcoff/segment.rs b/third_party/rust/object/src/read/xcoff/segment.rs
new file mode 100644
index 0000000000..49969438de
--- /dev/null
+++ b/third_party/rust/object/src/read/xcoff/segment.rs
@@ -0,0 +1,115 @@
+//! TODO: Support the segment for XCOFF when auxiliary file header and loader section is ready.
+
+use core::fmt::Debug;
+use core::str;
+
+use crate::read::{self, ObjectSegment, ReadRef, Result};
+use crate::xcoff;
+
+use super::{FileHeader, XcoffFile};
+
+/// An iterator over the segments of an `XcoffFile32`.
+pub type XcoffSegmentIterator32<'data, 'file, R = &'data [u8]> =
+    XcoffSegmentIterator<'data, 'file, xcoff::FileHeader32, R>;
+/// An iterator over the segments of an `XcoffFile64`.
+pub type XcoffSegmentIterator64<'data, 'file, R = &'data [u8]> =
+    XcoffSegmentIterator<'data, 'file, xcoff::FileHeader64, R>;
+
+/// An iterator over the segments of an `XcoffFile`.
+#[derive(Debug)]
+pub struct XcoffSegmentIterator<'data, 'file, Xcoff, R = &'data [u8]>
+where
+    'data: 'file,
+    Xcoff: FileHeader,
+    R: ReadRef<'data>,
+{
+    #[allow(unused)]
+    pub(super) file: &'file XcoffFile<'data, Xcoff, R>,
+}
+
+impl<'data, 'file, Xcoff, R> Iterator for XcoffSegmentIterator<'data, 'file, Xcoff, R>
+where
+    Xcoff: FileHeader,
+    R: ReadRef<'data>,
+{
+    type Item = XcoffSegment<'data, 'file, Xcoff, R>;
+
+    fn next(&mut self) -> Option<Self::Item> {
+        None
+    }
+}
+
+/// A segment of an `XcoffFile32`.
+pub type XcoffSegment32<'data, 'file, R = &'data [u8]> =
+    XcoffSegment<'data, 'file, xcoff::FileHeader32, R>;
+/// A segment of an `XcoffFile64`.
+pub type XcoffSegment64<'data, 'file, R = &'data [u8]> =
+    XcoffSegment<'data, 'file, xcoff::FileHeader64, R>;
+
+/// A loadable section of an `XcoffFile`.
+#[derive(Debug)]
+pub struct XcoffSegment<'data, 'file, Xcoff, R = &'data [u8]>
+where
+    'data: 'file,
+    Xcoff: FileHeader,
+    R: ReadRef<'data>,
+{
+    #[allow(unused)]
+    pub(super) file: &'file XcoffFile<'data, Xcoff, R>,
+}
+
+impl<'data, 'file, Xcoff, R> XcoffSegment<'data, 'file, Xcoff, R>
+where
+    Xcoff: FileHeader,
+    R: ReadRef<'data>,
+{
+}
+
+impl<'data, 'file, Xcoff, R> read::private::Sealed for XcoffSegment<'data, 'file, Xcoff, R>
+where
+    Xcoff: FileHeader,
+    R: ReadRef<'data>,
+{
+}
+
+impl<'data, 'file, Xcoff, R> ObjectSegment<'data> for XcoffSegment<'data, 'file, Xcoff, R>
+where
+    Xcoff: FileHeader,
+    R: ReadRef<'data>,
+{
+    fn address(&self) -> u64 {
+        unreachable!();
+    }
+
+    fn size(&self) -> u64 {
+        unreachable!();
+    }
+
+    fn align(&self) -> u64 {
+        unreachable!();
+    }
+
+    fn file_range(&self) -> (u64, u64) {
+        unreachable!();
+    }
+
+    fn data(&self) -> Result<&'data [u8]> {
+        unreachable!();
+    }
+
+    fn data_range(&self, _address: u64, _size: u64) -> Result<Option<&'data [u8]>> {
+        unreachable!();
+    }
+
+    fn name_bytes(&self) -> Result<Option<&[u8]>> {
+        unreachable!();
+    }
+
+    fn name(&self) -> Result<Option<&str>> {
+        unreachable!();
+    }
+
+    fn flags(&self) -> crate::SegmentFlags {
+        unreachable!();
+    }
+}