From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 vendor/backtrace/src/symbolize/gimli/mmap_fake.rs | 25 +++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 vendor/backtrace/src/symbolize/gimli/mmap_fake.rs

(limited to 'vendor/backtrace/src/symbolize/gimli/mmap_fake.rs')

diff --git a/vendor/backtrace/src/symbolize/gimli/mmap_fake.rs b/vendor/backtrace/src/symbolize/gimli/mmap_fake.rs
new file mode 100644
index 000000000..ce5096415
--- /dev/null
+++ b/vendor/backtrace/src/symbolize/gimli/mmap_fake.rs
@@ -0,0 +1,25 @@
+use super::{mystd::io::Read, File};
+use alloc::vec::Vec;
+use core::ops::Deref;
+
+pub struct Mmap {
+    vec: Vec<u8>,
+}
+
+impl Mmap {
+    pub unsafe fn map(mut file: &File, len: usize) -> Option<Mmap> {
+        let mut mmap = Mmap {
+            vec: Vec::with_capacity(len),
+        };
+        file.read_to_end(&mut mmap.vec).ok()?;
+        Some(mmap)
+    }
+}
+
+impl Deref for Mmap {
+    type Target = [u8];
+
+    fn deref(&self) -> &[u8] {
+        &self.vec[..]
+    }
+}
-- 
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