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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /third_party/rust/object/src/read/xcoff/segment.rs
parentInitial commit. (diff)
downloadfirefox-esr-upstream.tar.xz
firefox-esr-upstream.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/object/src/read/xcoff/segment.rs')
-rw-r--r--third_party/rust/object/src/read/xcoff/segment.rs115
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
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+++ 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!();
+ }
+}