From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:19:13 +0200
Subject: Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 vendor/object/src/read/xcoff/comdat.rs | 130 +++++++++++++++++++++++++++++++++
 1 file changed, 130 insertions(+)
 create mode 100644 vendor/object/src/read/xcoff/comdat.rs

(limited to 'vendor/object/src/read/xcoff/comdat.rs')

diff --git a/vendor/object/src/read/xcoff/comdat.rs b/vendor/object/src/read/xcoff/comdat.rs
new file mode 100644
index 000000000..eeed2f54d
--- /dev/null
+++ b/vendor/object/src/read/xcoff/comdat.rs
@@ -0,0 +1,130 @@
+//! XCOFF doesn't support the COMDAT section.
+
+use core::fmt::Debug;
+
+use crate::xcoff;
+
+use crate::read::{self, ComdatKind, ObjectComdat, ReadRef, Result, SectionIndex, SymbolIndex};
+
+use super::{FileHeader, XcoffFile};
+
+/// An iterator over the COMDAT section groups of a `XcoffFile32`.
+pub type XcoffComdatIterator32<'data, 'file, R = &'data [u8]> =
+    XcoffComdatIterator<'data, 'file, xcoff::FileHeader32, R>;
+/// An iterator over the COMDAT section groups of a `XcoffFile64`.
+pub type XcoffComdatIterator64<'data, 'file, R = &'data [u8]> =
+    XcoffComdatIterator<'data, 'file, xcoff::FileHeader64, R>;
+
+/// An iterator over the COMDAT section groups of a `XcoffFile`.
+#[derive(Debug)]
+pub struct XcoffComdatIterator<'data, 'file, Xcoff, R = &'data [u8]>
+where
+    Xcoff: FileHeader,
+    R: ReadRef<'data>,
+{
+    #[allow(unused)]
+    pub(crate) file: &'file XcoffFile<'data, Xcoff, R>,
+}
+
+impl<'data, 'file, Xcoff, R> Iterator for XcoffComdatIterator<'data, 'file, Xcoff, R>
+where
+    Xcoff: FileHeader,
+    R: ReadRef<'data>,
+{
+    type Item = XcoffComdat<'data, 'file, Xcoff, R>;
+
+    #[inline]
+    fn next(&mut self) -> Option<Self::Item> {
+        None
+    }
+}
+
+/// A COMDAT section group of a `XcoffFile32`.
+pub type XcoffComdat32<'data, 'file, R = &'data [u8]> =
+    XcoffComdat<'data, 'file, xcoff::FileHeader32, R>;
+
+/// A COMDAT section group of a `XcoffFile64`.
+pub type XcoffComdat64<'data, 'file, R = &'data [u8]> =
+    XcoffComdat<'data, 'file, xcoff::FileHeader64, R>;
+
+/// A COMDAT section group of a `XcoffFile`.
+#[derive(Debug)]
+pub struct XcoffComdat<'data, 'file, Xcoff, R = &'data [u8]>
+where
+    Xcoff: FileHeader,
+    R: ReadRef<'data>,
+{
+    #[allow(unused)]
+    file: &'file XcoffFile<'data, Xcoff, R>,
+}
+
+impl<'data, 'file, Xcoff, R> read::private::Sealed for XcoffComdat<'data, 'file, Xcoff, R>
+where
+    Xcoff: FileHeader,
+    R: ReadRef<'data>,
+{
+}
+
+impl<'data, 'file, Xcoff, R> ObjectComdat<'data> for XcoffComdat<'data, 'file, Xcoff, R>
+where
+    Xcoff: FileHeader,
+    R: ReadRef<'data>,
+{
+    type SectionIterator = XcoffComdatSectionIterator<'data, 'file, Xcoff, R>;
+
+    #[inline]
+    fn kind(&self) -> ComdatKind {
+        unreachable!();
+    }
+
+    #[inline]
+    fn symbol(&self) -> SymbolIndex {
+        unreachable!();
+    }
+
+    #[inline]
+    fn name_bytes(&self) -> Result<&[u8]> {
+        unreachable!();
+    }
+
+    #[inline]
+    fn name(&self) -> Result<&str> {
+        unreachable!();
+    }
+
+    #[inline]
+    fn sections(&self) -> Self::SectionIterator {
+        unreachable!();
+    }
+}
+
+/// An iterator over the sections in a COMDAT section group of a `XcoffFile32`.
+pub type XcoffComdatSectionIterator32<'data, 'file, R = &'data [u8]> =
+    XcoffComdatSectionIterator<'data, 'file, xcoff::FileHeader32, R>;
+/// An iterator over the sections in a COMDAT section group of a `XcoffFile64`.
+pub type XcoffComdatSectionIterator64<'data, 'file, R = &'data [u8]> =
+    XcoffComdatSectionIterator<'data, 'file, xcoff::FileHeader64, R>;
+
+/// An iterator over the sections in a COMDAT section group of a `XcoffFile`.
+#[derive(Debug)]
+pub struct XcoffComdatSectionIterator<'data, 'file, Xcoff, R = &'data [u8]>
+where
+    'data: 'file,
+    Xcoff: FileHeader,
+    R: ReadRef<'data>,
+{
+    #[allow(unused)]
+    file: &'file XcoffFile<'data, Xcoff, R>,
+}
+
+impl<'data, 'file, Xcoff, R> Iterator for XcoffComdatSectionIterator<'data, 'file, Xcoff, R>
+where
+    Xcoff: FileHeader,
+    R: ReadRef<'data>,
+{
+    type Item = SectionIndex;
+
+    fn next(&mut self) -> Option<Self::Item> {
+        None
+    }
+}
-- 
cgit v1.2.3