| //! 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); |
| } |
