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1 | // Copyright 2016 The Rust Project Developers. See the COPYRIGHT |
2 | // file at the top-level directory of this distribution and at | |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
5 | // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
6 | // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
7 | // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
8 | // option. This file may not be copied, modified, or distributed | |
9 | // except according to those terms. | |
10 | ||
11 | #![feature(cfg_target_has_atomic, no_core, intrinsics, lang_items)] | |
12 | #![crate_type="rlib"] | |
13 | #![no_core] | |
14 | ||
15 | extern "rust-intrinsic" { | |
16 | fn atomic_xadd<T>(dst: *mut T, src: T) -> T; | |
17 | } | |
18 | ||
19 | #[lang = "sized"] | |
20 | trait Sized {} | |
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21 | #[lang = "copy"] |
22 | trait Copy {} | |
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23 | #[lang = "freeze"] |
24 | trait Freeze {} | |
a7813a04 | 25 | |
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26 | impl<T: ?Sized> Copy for *mut T {} |
27 | ||
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28 | #[cfg(target_has_atomic = "8")] |
29 | pub unsafe fn atomic_u8(x: *mut u8) { | |
30 | atomic_xadd(x, 1); | |
31 | atomic_xadd(x, 1); | |
32 | } | |
33 | #[cfg(target_has_atomic = "8")] | |
34 | pub unsafe fn atomic_i8(x: *mut i8) { | |
35 | atomic_xadd(x, 1); | |
36 | } | |
37 | #[cfg(target_has_atomic = "16")] | |
38 | pub unsafe fn atomic_u16(x: *mut u16) { | |
39 | atomic_xadd(x, 1); | |
40 | } | |
41 | #[cfg(target_has_atomic = "16")] | |
42 | pub unsafe fn atomic_i16(x: *mut i16) { | |
43 | atomic_xadd(x, 1); | |
44 | } | |
45 | #[cfg(target_has_atomic = "32")] | |
46 | pub unsafe fn atomic_u32(x: *mut u32) { | |
47 | atomic_xadd(x, 1); | |
48 | } | |
49 | #[cfg(target_has_atomic = "32")] | |
50 | pub unsafe fn atomic_i32(x: *mut i32) { | |
51 | atomic_xadd(x, 1); | |
52 | } | |
53 | #[cfg(target_has_atomic = "64")] | |
54 | pub unsafe fn atomic_u64(x: *mut u64) { | |
55 | atomic_xadd(x, 1); | |
56 | } | |
57 | #[cfg(target_has_atomic = "64")] | |
58 | pub unsafe fn atomic_i64(x: *mut i64) { | |
59 | atomic_xadd(x, 1); | |
60 | } | |
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61 | #[cfg(target_has_atomic = "128")] |
62 | pub unsafe fn atomic_u128(x: *mut u128) { | |
63 | atomic_xadd(x, 1); | |
64 | } | |
65 | #[cfg(target_has_atomic = "128")] | |
66 | pub unsafe fn atomic_i128(x: *mut i128) { | |
67 | atomic_xadd(x, 1); | |
68 | } | |
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69 | #[cfg(target_has_atomic = "ptr")] |
70 | pub unsafe fn atomic_usize(x: *mut usize) { | |
71 | atomic_xadd(x, 1); | |
72 | } | |
73 | #[cfg(target_has_atomic = "ptr")] | |
74 | pub unsafe fn atomic_isize(x: *mut isize) { | |
75 | atomic_xadd(x, 1); | |
76 | } |