From 22721dd02631ef1be60382d9db45b02b9b791055 Mon Sep 17 00:00:00 2001
From: Benjamin Naecker <ben@oxidecomputer.com>
Date: Thu, 26 Mar 2026 16:35:48 -0700
Subject: [PATCH] Fix compiler error on aarch64 no-linker systems

- Use c_char instead of i8 for module name in DOF helper
- Fixes #545
---
 usdt-impl/src/no-linker.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/usdt-impl/src/no-linker.rs b/usdt-impl/src/no-linker.rs
index 13b21018..1d209b2a 100644
--- a/usdt-impl/src/no-linker.rs
+++ b/usdt-impl/src/no-linker.rs
@@ -163,7 +163,7 @@ pub fn register_probes() -> Result<(), crate::Error> {
         .unwrap_or_else(|| String::from("unknown-module"));
     let mut modname = [0; 64];
     for (i, byte) in module_name.bytes().take(modname.len() - 1).enumerate() {
-        modname[i] = byte as i8;
+        modname[i] = byte as std::os::raw::c_char;
     }
     ioctl_section(&serialize_section(&section), modname)
 }