| #![feature(patchable_function_entry)] |
| #![crate_type = "lib"] |
| |
| // No patchable function entry should be set |
| #[no_mangle] |
| pub fn fun0() {} |
| |
| // The attribute should work even without compiler flags |
| #[no_mangle] |
| #[patchable_function_entry(prefix_nops = 1, entry_nops = 2)] |
| pub fn fun1() {} |
| |
| // The attribute should work even without compiler flags |
| // and only set patchable-function-entry to 3. |
| #[no_mangle] |
| #[patchable_function_entry(entry_nops = 3)] |
| pub fn fun2() {} |
| |
| // The attribute should work even without compiler flags |
| // and only set patchable-function-prefix to 4. |
| #[no_mangle] |
| #[patchable_function_entry(prefix_nops = 4)] |
| pub fn fun3() {} |
| |
| // CHECK: @fun0() unnamed_addr #0 |
| // CHECK: @fun1() unnamed_addr #1 |
| // CHECK: @fun2() unnamed_addr #2 |
| // CHECK: @fun3() unnamed_addr #3 |
| |
| // CHECK-NOT: attributes #0 = { {{.*}}patchable-function-entry{{.*}} } |
| // CHECK-NOT: attributes #0 = { {{.*}}patchable-function-prefix{{.*}} } |
| |
| // CHECK: attributes #1 = { {{.*}}"patchable-function-entry"="2"{{.*}}"patchable-function-prefix"="1" {{.*}} } |
| |
| // CHECK: attributes #2 = { {{.*}}"patchable-function-entry"="3"{{.*}} } |
| // CHECK-NOT: attributes #2 = { {{.*}}patchable-function-prefix{{.*}} } |
| |
| // CHECK: attributes #3 = { {{.*}}"patchable-function-prefix"="4"{{.*}} } |
| // CHECK-NOT: attributes #3 = { {{.*}}patchable-function-entry{{.*}} } |
