1 // Copyright 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.
11 // Passing structs via FFI should work regardless of whether
12 // they get passed in multiple registers, byval pointers or the stack
14 #[derive(Clone, Copy, Debug, PartialEq)]
23 #[derive(Clone, Copy, Debug, PartialEq)]
31 #[derive(Clone, Copy, Debug, PartialEq)]
39 #[derive(Clone, Copy, Debug, PartialEq)]
49 #[link(name = "test", kind = "static")]
51 fn byval_rect(a: i32, b: i32, c: i32, d: i32, e: i32, s: Rect);
53 fn byval_many_rect(a: i32, b: i32, c: i32, d: i32, e: i32, f: i32, s: Rect);
55 fn byval_rect_floats(a: f32, b: f32, c: f64, d: f32, e: f32,
56 f: f32, g: f64, s: Rect, t: FloatRect);
58 fn byval_rect_with_float(a: i32, b: i32, c: f32, d: i32, e: i32, f: i32, s: Rect);
60 fn split_rect(a: i32, b: i32, s: Rect);
62 fn split_rect_floats(a: f32, b: f32, s: FloatRect);
64 fn split_rect_with_floats(a: i32, b: i32, c: f32, d: i32, e: f32, f: i32, s: Rect);
66 fn split_and_byval_rect(a: i32, b: i32, c: i32, s: Rect, t: Rect);
68 fn split_ret_byval_struct(a: i32, b: i32, s: Rect) -> Rect;
70 fn sret_byval_struct(a: i32, b: i32, c: i32, d: i32, s: Rect) -> BiggerRect;
72 fn sret_split_struct(a: i32, b: i32, s: Rect) -> BiggerRect;
74 fn huge_struct(s: Huge) -> Huge;
78 let s = Rect { a: 553, b: 554, c: 555, d: 556 };
79 let t = BiggerRect { s: s, a: 27834, b: 7657 };
80 let u = FloatRect { a: 3489, b: 3490, c: 8. };
81 let v = Huge { a: 5647, b: 5648, c: 5649, d: 5650, e: 5651 };
84 byval_rect(1, 2, 3, 4, 5, s);
85 byval_many_rect(1, 2, 3, 4, 5, 6, s);
86 byval_rect_floats(1., 2., 3., 4., 5., 6., 7., s, u);
87 byval_rect_with_float(1, 2, 3.0, 4, 5, 6, s);
89 split_rect_floats(1., 2., u);
90 split_rect_with_floats(1, 2, 3.0, 4, 5.0, 6, s);
91 split_and_byval_rect(1, 2, 3, s, s);
93 assert_eq!(huge_struct(v), v);
94 assert_eq!(split_ret_byval_struct(1, 2, s), s);
95 assert_eq!(sret_byval_struct(1, 2, 3, 4, s), t);
96 assert_eq!(sret_split_struct(1, 2, s), t);