summaryrefslogtreecommitdiffstats
path: root/tests/run-make/raw-dylib-import-name-type/driver.rs
blob: 9a3cd9ebe1b4ba57da084233d33404e1abd829cf (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
#![feature(raw_dylib)]
#![feature(abi_vectorcall)]

#[link(name = "extern", kind = "raw-dylib", import_name_type = "undecorated")]
extern "C" {
    fn LooksLikeAPrivateGlobal(i: i32);
    fn cdecl_fn_undecorated(i: i32);
    #[link_name = "cdecl_fn_undecorated2"]
    fn cdecl_fn_undecorated_renamed(i: i32);
    static mut extern_variable_undecorated: i32;
}

#[link(name = "extern", kind = "raw-dylib", import_name_type = "noprefix")]
extern "C" {
    fn cdecl_fn_noprefix(i: i32);
    static mut extern_variable_noprefix: i32;
}

#[link(name = "extern", kind = "raw-dylib", import_name_type = "decorated")]
extern "C" {
    fn cdecl_fn_decorated(i: i32);
    static mut extern_variable_decorated: i32;
}

#[link(name = "extern", kind = "raw-dylib", import_name_type = "undecorated")]
extern "stdcall" {
    fn stdcall_fn_undecorated(i: i32);
    #[link_name = "stdcall_fn_undecorated2"]
    fn stdcall_fn_undecorated_renamed(i: i32);
}

#[link(name = "extern", kind = "raw-dylib", import_name_type = "noprefix")]
extern "stdcall" {
    fn stdcall_fn_noprefix(i: i32);
}

#[link(name = "extern", kind = "raw-dylib", import_name_type = "decorated")]
extern "stdcall" {
    fn stdcall_fn_decorated(i: i32);
}

#[link(name = "extern", kind = "raw-dylib", import_name_type = "undecorated")]
extern "fastcall" {
    fn fastcall_fn_undecorated(i: i32);
    #[link_name = "fastcall_fn_undecorated2"]
    fn fastcall_fn_undecorated_renamed(i: i32);
}

#[link(name = "extern", kind = "raw-dylib", import_name_type = "noprefix")]
extern "fastcall" {
    fn fastcall_fn_noprefix(i: i32);
}

#[link(name = "extern", kind = "raw-dylib", import_name_type = "decorated")]
extern "fastcall" {
    fn fastcall_fn_decorated(i: i32);
}

#[cfg(target_env = "msvc")]
#[link(name = "extern", kind = "raw-dylib", import_name_type = "undecorated")]
extern "vectorcall" {
    fn vectorcall_fn_undecorated(i: i32);
    #[link_name = "vectorcall_fn_undecorated2"]
    fn vectorcall_fn_undecorated_renamed(i: i32);
}

#[cfg(target_env = "msvc")]
#[link(name = "extern", kind = "raw-dylib", import_name_type = "noprefix")]
extern "vectorcall" {
    fn vectorcall_fn_noprefix(i: i32);
}

#[cfg(target_env = "msvc")]
#[link(name = "extern", kind = "raw-dylib", import_name_type = "decorated")]
extern "vectorcall" {
    fn vectorcall_fn_decorated(i: i32);
}

#[link(name = "extern", kind = "raw-dylib")]
extern {
    fn print_extern_variable_undecorated();
    fn print_extern_variable_noprefix();
    fn print_extern_variable_decorated();
}

pub fn main() {
    unsafe {
        // Regression test for #104453
        // On x86 LLVM uses 'L' as the prefix for private globals (PrivateGlobalPrefix), which
        // causes it to believe that undecorated functions starting with 'L' are actually temporary
        // symbols that it generated, which causes a later check to fail as the symbols we are
        // creating don't have definitions (whereas all temporary symbols do).
        LooksLikeAPrivateGlobal(13);

        cdecl_fn_undecorated(1);
        cdecl_fn_undecorated_renamed(10);
        cdecl_fn_noprefix(2);
        cdecl_fn_decorated(3);

        stdcall_fn_undecorated(4);
        stdcall_fn_undecorated_renamed(14);
        stdcall_fn_noprefix(5);
        stdcall_fn_decorated(6);

        fastcall_fn_undecorated(7);
        fastcall_fn_undecorated_renamed(17);
        fastcall_fn_noprefix(8);
        fastcall_fn_decorated(9);

        extern_variable_undecorated = 42;
        print_extern_variable_undecorated();
        extern_variable_noprefix = 43;
        print_extern_variable_noprefix();
        extern_variable_decorated = 44;
        print_extern_variable_decorated();

        // GCC doesn't support vectorcall: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89485
        #[cfg(target_env = "msvc")]
        {
            vectorcall_fn_undecorated(10);
            vectorcall_fn_undecorated_renamed(20);
            vectorcall_fn_noprefix(11);
            vectorcall_fn_decorated(12);
        }
        #[cfg(not(target_env = "msvc"))]
        {
            println!("vectorcall_fn_undecorated(10)");
            println!("vectorcall_fn_undecorated2(20)");
            println!("vectorcall_fn_noprefix(11)");
            println!("vectorcall_fn_decorated(12)");
        }
    }
}