Fix UEFI compilation for cranelift-jit

Author: RossComputerGuy

Cargo.lock

@@ -21,7 +21,7 @@ cranelift-entity = { workspace = true }
 cranelift-control = { workspace = true }
 wasmtime-unwinder = { workspace = true, optional = true, features = ["cranelift"] }
 anyhow = { workspace = true }
-region = "3.0.2"
+region = { git = "https://github.com/RossComputerGuy/region-rs", branch = "fix/uefi" }
 libc = { workspace = true }
 target-lexicon = { workspace = true }
 memmap2 = { version = "0.2.1", optional = true }

cranelift/jit/Cargo.toml

@@ -17,6 +17,7 @@ use cranelift_module::{
 use log::info;
 use std::cell::RefCell;
 use std::collections::HashMap;
+#[cfg(not(target_os = "uefi"))]
 use std::ffi::CString;
 use std::io::Write;
 use target_lexicon::PointerWidth;
@@ -88,7 +89,13 @@ impl JITBuilder {
         libcall_names: Box<dyn Fn(ir::LibCall) -> String + Send + Sync>,
     ) -> Self {
         let symbols = HashMap::new();
+
+        #[cfg(not(target_os = "uefi"))]
         let lookup_symbols = vec![Box::new(lookup_with_dlsym) as Box<_>];
+
+        #[cfg(target_os = "uefi")]
+        let lookup_symbols = vec![];
+
         Self {
             isa,
             symbols,
@@ -656,7 +663,7 @@ impl Module for JITModule {
     }
 }
 
-#[cfg(not(windows))]
+#[cfg(all(not(windows), not(target_os = "uefi")))]
 fn lookup_with_dlsym(name: &str) -> Option<*const u8> {
     let c_str = CString::new(name).unwrap();
     let c_str_ptr = c_str.as_ptr();

cranelift/jit/src/backend.rs

@@ -1,6 +1,10 @@
 use cranelift_module::{ModuleError, ModuleResult};
 
-#[cfg(all(not(target_os = "windows"), feature = "selinux-fix"))]
+#[cfg(all(
+    not(target_os = "windows"),
+    not(target_os = "uefi"),
+    feature = "selinux-fix"
+))]
 use memmap2::MmapMut;
 
 #[cfg(not(any(feature = "selinux-fix", windows)))]