From 2b749e704037f0cebc6c1924d5feb76ff561ba18 Mon Sep 17 00:00:00 2001
From: Andelf <andelf@gmail.com>
Date: Fri, 15 Nov 2024 14:51:30 +0800
Subject: [PATCH] fix(firmware): support special ELF program header with
 p_filesz=0

Fix #77
---
 src/firmware.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/firmware.rs b/src/firmware.rs
index b831626..e489403 100644
--- a/src/firmware.rs
+++ b/src/firmware.rs
@@ -196,6 +196,11 @@ pub fn read_elf(elf_data: &[u8]) -> Result<Firmware> {
 
         let flags = segment.p_flags(endian);
 
+        // The number of bytes in the file image of the segment, which can be zero.
+        if segment.p_filesz(endian) == 0 {
+            // skip empty segment
+            continue;
+        }
         let segment_data = segment
             .data(endian, elf_data)
             .map_err(|_| anyhow::format_err!("Failed to access data for an ELF segment."))?;