mirror of https://github.com/rust-lang/rust.git
60 lines
1.2 KiB
Rust
60 lines
1.2 KiB
Rust
//@ revisions: arm-mode thumb-mode
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//@ [arm-mode] compile-flags: --target armv5te-none-eabi
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//@ [thumb-mode] compile-flags: --target thumbv5te-none-eabi
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//@ [arm-mode] needs-llvm-components: arm
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//@ [thumb-mode] needs-llvm-components: arm
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#![crate_type = "lib"]
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#![feature(no_core, lang_items, rustc_attrs, naked_functions)]
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#![no_core]
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#[rustc_builtin_macro]
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macro_rules! naked_asm {
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() => {};
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}
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#[lang = "sized"]
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trait Sized {}
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#[lang = "copy"]
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trait Copy {}
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// arm-mode: .arm
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// thumb-mode: .thumb
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// CHECK-LABEL: test_unspecified:
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// CHECK: bx lr
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// CHECK: .popsection
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// arm-mode: .arm
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// thumb-mode: .thumb
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#[no_mangle]
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#[naked]
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unsafe extern "C" fn test_unspecified() {
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naked_asm!("bx lr");
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}
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// CHECK: .thumb
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// CHECK: .thumb_func
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// CHECK-LABEL: test_thumb:
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// CHECK: bx lr
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// CHECK: .popsection
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// arm-mode: .arm
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// thumb-mode: .thumb
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#[no_mangle]
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#[naked]
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#[instruction_set(arm::t32)]
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unsafe extern "C" fn test_thumb() {
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naked_asm!("bx lr");
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}
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// CHECK: .arm
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// CHECK-LABEL: test_arm:
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// CHECK: bx lr
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// CHECK: .popsection
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// arm-mode: .arm
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// thumb-mode: .thumb
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#[no_mangle]
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#[naked]
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#[instruction_set(arm::a32)]
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unsafe extern "C" fn test_arm() {
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naked_asm!("bx lr");
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}
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