1 files changed, 23 insertions, 0 deletions
diff --git a/library/stdarch/crates/core_arch/src/aarch64/armclang.rs b/library/stdarch/crates/core_arch/src/aarch64/armclang.rs
new file mode 100644
index 000000000..7ad6ae50c
--- /dev/null
+++ b/library/stdarch/crates/core_arch/src/aarch64/armclang.rs
@@ -0,0 +1,23 @@
+//! ARM compiler specific intrinsics
+//!
+//! # References
+//!
+//! - [ARM Compiler v 6.10 - armclang Reference Guide][arm_comp_ref]
+//!
+//! [arm_comp_ref]: https://developer.arm.com/docs/100067/0610
+
+#[cfg(test)]
+use stdarch_test::assert_instr;
+
+/// Inserts a breakpoint instruction.
+///
+/// `VAL` is a compile-time constant integer in range `[0, 65535]`.
+///
+/// The breakpoint instruction inserted is `BRK` on A64.
+#[cfg_attr(test, assert_instr(brk, VAL = 0))]
+#[inline(always)]
+#[rustc_legacy_const_generics(0)]
+pub unsafe fn __breakpoint<const VAL: i32>() {
+    static_assert_imm16!(VAL);
+    crate::arch::asm!("brk {}", const VAL);
+}