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//@ 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]
#[rustc_builtin_macro]
macro_rules! naked_asm {
() => {};
}
#[lang = "sized"]
trait Sized {}
#[lang = "copy"]
trait Copy {}
// arm-mode: .arm
// thumb-mode: .thumb
// CHECK-LABEL: test_unspecified:
// CHECK: bx lr
// CHECK: .popsection
// arm-mode: .arm
// thumb-mode: .thumb
#[no_mangle]
#[naked]
unsafe 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]
#[naked]
#[instruction_set(arm::t32)]
unsafe 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]
#[naked]
#[instruction_set(arm::a32)]
unsafe extern "C" fn test_arm() {
naked_asm!("bx lr");
}
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