diff options
Diffstat (limited to 'third_party/rust/object/src/read/xcoff/segment.rs')
-rw-r--r-- | third_party/rust/object/src/read/xcoff/segment.rs | 113 |
1 files changed, 113 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..7eca72367a --- /dev/null +++ b/third_party/rust/object/src/read/xcoff/segment.rs @@ -0,0 +1,113 @@ +//! 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 + 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 + 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!(); + } +} |