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-rw-r--r--examples/add.rs8
1 files changed, 8 insertions, 0 deletions
diff --git a/examples/add.rs b/examples/add.rs
index 8cd1984..ba887c4 100644
--- a/examples/add.rs
+++ b/examples/add.rs
@@ -1,3 +1,11 @@
+//! Add example.
+//!
+//! Jit compile a function at runtime (generate native host code) which calls a function defined in
+//! the example based on the SystemV abi to demonstrate the [`juicebox_asm`] crate.
+
+#[cfg(not(any(target_arch = "x86_64", target_os = "linux")))]
+compile_error!("Only supported on x86_64 with SystemV abi");
+
use juicebox_asm::prelude::*;
use juicebox_asm::Runtime;
use Reg64::*;