From 1b6a04ca5504955c571d1c97504fb45ea0befee4 Mon Sep 17 00:00:00 2001
From: Valentin Popov <valentin@popov.link>
Date: Mon, 8 Jan 2024 01:21:28 +0400
Subject: Initial vendor packages

Signed-off-by: Valentin Popov <valentin@popov.link>
---
 vendor/object/src/read/elf/compression.rs | 56 +++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 vendor/object/src/read/elf/compression.rs

(limited to 'vendor/object/src/read/elf/compression.rs')

diff --git a/vendor/object/src/read/elf/compression.rs b/vendor/object/src/read/elf/compression.rs
new file mode 100644
index 0000000..de2533f
--- /dev/null
+++ b/vendor/object/src/read/elf/compression.rs
@@ -0,0 +1,56 @@
+use core::fmt::Debug;
+
+use crate::elf;
+use crate::endian;
+use crate::pod::Pod;
+
+/// A trait for generic access to [`elf::CompressionHeader32`] and [`elf::CompressionHeader64`].
+#[allow(missing_docs)]
+pub trait CompressionHeader: Debug + Pod {
+    type Word: Into<u64>;
+    type Endian: endian::Endian;
+
+    fn ch_type(&self, endian: Self::Endian) -> u32;
+    fn ch_size(&self, endian: Self::Endian) -> Self::Word;
+    fn ch_addralign(&self, endian: Self::Endian) -> Self::Word;
+}
+
+impl<Endian: endian::Endian> CompressionHeader for elf::CompressionHeader32<Endian> {
+    type Word = u32;
+    type Endian = Endian;
+
+    #[inline]
+    fn ch_type(&self, endian: Self::Endian) -> u32 {
+        self.ch_type.get(endian)
+    }
+
+    #[inline]
+    fn ch_size(&self, endian: Self::Endian) -> Self::Word {
+        self.ch_size.get(endian)
+    }
+
+    #[inline]
+    fn ch_addralign(&self, endian: Self::Endian) -> Self::Word {
+        self.ch_addralign.get(endian)
+    }
+}
+
+impl<Endian: endian::Endian> CompressionHeader for elf::CompressionHeader64<Endian> {
+    type Word = u64;
+    type Endian = Endian;
+
+    #[inline]
+    fn ch_type(&self, endian: Self::Endian) -> u32 {
+        self.ch_type.get(endian)
+    }
+
+    #[inline]
+    fn ch_size(&self, endian: Self::Endian) -> Self::Word {
+        self.ch_size.get(endian)
+    }
+
+    #[inline]
+    fn ch_addralign(&self, endian: Self::Endian) -> Self::Word {
+        self.ch_addralign.get(endian)
+    }
+}
-- 
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