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Diffstat (limited to '')
-rw-r--r-- | library/stdarch/crates/core_arch/src/aarch64/armclang.rs | 23 |
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); +} |