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Imported Upstream version 1.9.0+dfsg1
[rustc.git] / src / test / auxiliary / foreign_lib.rs
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1// Copyright 2012 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
1a4d82fc 11#![crate_name="foreign_lib"]
54a0048b 12
c34b1796 13#![feature(libc)]
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14
15pub mod rustrt {
1a4d82fc 16 extern crate libc;
970d7e83 17
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18 #[link(name = "rust_test_helpers")]
19 extern {
20 pub fn rust_get_test_int() -> libc::intptr_t;
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21 }
22}
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23
24pub mod rustrt2 {
25 extern crate libc;
26
27 extern {
28 pub fn rust_get_test_int() -> libc::intptr_t;
29 }
30}
31
32pub mod rustrt3 {
33 // Different type, but same ABI (on all supported platforms).
34 // Ensures that we don't ICE or trigger LLVM asserts when
35 // importing the same symbol under different types.
36 // See https://github.com/rust-lang/rust/issues/32740.
37 extern {
38 pub fn rust_get_test_int() -> *const u8;
39 }
40}
41
42pub fn local_uses() {
43 unsafe {
44 let x = rustrt::rust_get_test_int();
45 assert_eq!(x, rustrt2::rust_get_test_int());
46 assert_eq!(x as *const _, rustrt3::rust_get_test_int());
47 }
48}