From 5eedc9b483d3d3bea8e0d84e75df5d2c9de70646 Mon Sep 17 00:00:00 2001
From: Ayush Singh <ayushsingh1325@gmail.com>
Date: Wed, 15 Jun 2022 22:30:10 +0530
Subject: [PATCH] Add __CxxFrameHandler3 to panic_abort for UEFI

This function is needed to compile std under UEFI.
---
 library/panic_abort/src/lib.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/library/panic_abort/src/lib.rs b/library/panic_abort/src/lib.rs
index 6a01b4a2e2841..a04b7e22bb901 100644
--- a/library/panic_abort/src/lib.rs
+++ b/library/panic_abort/src/lib.rs
@@ -153,4 +153,8 @@ pub mod personalities {
     #[rustc_std_internal_symbol]
     #[cfg(all(target_os = "windows", target_env = "gnu", target_arch = "x86"))]
     pub extern "C" fn rust_eh_unregister_frames() {}
+
+    #[cfg(target_os = "uefi")]
+    #[no_mangle]
+    pub extern "C" fn __CxxFrameHandler3() {}
 }