src/test/codegen/dllimports/main.rs

   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 // This test is for *-windows-msvc only.
  12 // ignore-android
  13 // ignore-bitrig
  14 // ignore-cloudabi
  15 // ignore-dragonfly
  16 // ignore-emscripten
  17 // ignore-freebsd
  18 // ignore-gnu
  19 // ignore-haiku
  20 // ignore-ios
  21 // ignore-linux
  22 // ignore-macos
  23 // ignore-netbsd
  24 // ignore-openbsd
  25 // ignore-solaris
  26
  27 // aux-build:dummy.rs
  28 // aux-build:wrapper.rs
  29
  30 extern crate wrapper;
  31
  32 // Check that external symbols coming from foreign dylibs are adorned with 'dllimport',
  33 // whereas symbols coming from foreign staticlibs are not. (RFC-1717)
  34
  35 // CHECK: @dylib_global1 = external dllimport local_unnamed_addr global i32
  36 // CHECK: @dylib_global2 = external dllimport local_unnamed_addr global i32
  37 // CHECK: @static_global1 = external local_unnamed_addr global i32
  38 // CHECK: @static_global2 = external local_unnamed_addr global i32
  39
  40 // CHECK: declare dllimport i32 @dylib_func1(i32)
  41 // CHECK: declare dllimport i32 @dylib_func2(i32)
  42 // CHECK: declare i32 @static_func1(i32)
  43 // CHECK: declare i32 @static_func2(i32)
  44
  45 #[link(name = "dummy", kind="dylib")]
  46 extern "C" {
  47     pub fn dylib_func1(x: i32) -> i32;
  48     pub static dylib_global1: i32;
  49 }
  50
  51 #[link(name = "dummy", kind="static")]
  52 extern "C" {
  53     pub fn static_func1(x: i32) -> i32;
  54     pub static static_global1: i32;
  55 }
  56
  57 fn main() {
  58     unsafe {
  59         dylib_func1(dylib_global1);
  60         wrapper::dylib_func2(wrapper::dylib_global2);
  61
  62         static_func1(static_global1);
  63         wrapper::static_func2(wrapper::static_global2);
  64     }
  65 }