rust/tests/codegen/naked-fn/instruction-set.rs
2025-04-19 00:03:35 +02:00

53 lines
1.1 KiB
Rust

//@ add-core-stubs
//@ revisions: arm-mode thumb-mode
//@ [arm-mode] compile-flags: --target armv5te-none-eabi
//@ [thumb-mode] compile-flags: --target thumbv5te-none-eabi
//@ [arm-mode] needs-llvm-components: arm
//@ [thumb-mode] needs-llvm-components: arm
#![crate_type = "lib"]
#![feature(no_core, lang_items, rustc_attrs, naked_functions)]
#![no_core]
extern crate minicore;
use minicore::*;
// arm-mode: .arm
// thumb-mode: .thumb
// CHECK-LABEL: test_unspecified:
// CHECK: bx lr
// CHECK: .popsection
// arm-mode: .arm
// thumb-mode: .thumb
#[no_mangle]
#[unsafe(naked)]
extern "C" fn test_unspecified() {
naked_asm!("bx lr");
}
// CHECK: .thumb
// CHECK: .thumb_func
// CHECK-LABEL: test_thumb:
// CHECK: bx lr
// CHECK: .popsection
// arm-mode: .arm
// thumb-mode: .thumb
#[no_mangle]
#[unsafe(naked)]
#[instruction_set(arm::t32)]
extern "C" fn test_thumb() {
naked_asm!("bx lr");
}
// CHECK: .arm
// CHECK-LABEL: test_arm:
// CHECK: bx lr
// CHECK: .popsection
// arm-mode: .arm
// thumb-mode: .thumb
#[no_mangle]
#[unsafe(naked)]
#[instruction_set(arm::a32)]
extern "C" fn test_arm() {
naked_asm!("bx lr");
}