1 // Copyright 2012-2015 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.
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.
12 #[derive(Copy, Clone)]
13 pub struct Quad { a: u64, b: u64, c: u64, d: u64 }
15 #[derive(Copy, Clone)]
16 pub struct Floats { a: f64, b: u8, c: f64 }
19 use super::{Floats, Quad};
21 #[link(name = "rust_test_helpers")]
23 pub fn rust_dbg_abi_1(q: Quad) -> Quad;
24 pub fn rust_dbg_abi_2(f: Floats) -> Floats;
30 let q = Quad { a: 0xaaaa_aaaa_aaaa_aaaa,
31 b: 0xbbbb_bbbb_bbbb_bbbb,
32 c: 0xcccc_cccc_cccc_cccc,
33 d: 0xdddd_dddd_dddd_dddd };
34 let qq = rustrt::rust_dbg_abi_1(q);
35 println!("a: {:x}", qq.a as usize);
36 println!("b: {:x}", qq.b as usize);
37 println!("c: {:x}", qq.c as usize);
38 println!("d: {:x}", qq.d as usize);
39 assert_eq!(qq.a, q.c + 1);
40 assert_eq!(qq.b, q.d - 1);
41 assert_eq!(qq.c, q.a + 1);
42 assert_eq!(qq.d, q.b - 1);
46 #[cfg(target_pointer_width = "64")]
49 let f = Floats { a: 1.234567890e-15_f64,
51 c: 1.0987654321e-15_f64 };
52 let ff = rustrt::rust_dbg_abi_2(f);
53 println!("a: {}", ff.a as f64);
54 println!("b: {}", ff.b as usize);
55 println!("c: {}", ff.c as f64);
56 assert_eq!(ff.a, f.c + 1.0f64);
57 assert_eq!(ff.b, 0xff);
58 assert_eq!(ff.c, f.a - 1.0f64);
62 #[cfg(target_pointer_width = "32")]