mirror of https://github.com/rust-lang/rust
35 lines
1.6 KiB
Rust
35 lines
1.6 KiB
Rust
// `raw-dylib` is a Windows-specific attribute which emits idata sections for the items in the
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// attached extern block,
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// so they may be linked against without linking against an import library.
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// To learn more, read https://github.com/rust-lang/rfcs/blob/master/text/2627-raw-dylib-kind.md
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// `#[link_ordinal(n)]` allows Rust to link against DLLs that export symbols by ordinal rather
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// than by name. As long as the ordinal matches, the name of the function in Rust is not
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// required to match the name of the corresponding function in the exporting DLL.
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// This test is a sanity check for this feature, done by comparing its output against expected
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// output.
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// See https://github.com/rust-lang/rust/pull/89025
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//@ only-windows
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use run_make_support::{cc, diff, is_msvc, run, rustc};
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// NOTE: build_native_dynamic lib is not used, as the special `def` files
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// must be passed to the CC compiler.
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fn main() {
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rustc().crate_type("lib").crate_name("raw_dylib_test").input("lib.rs").run();
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rustc().crate_type("bin").input("driver.rs").run();
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if is_msvc() {
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cc().arg("-c").out_exe("exporter").input("exporter.c").run();
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cc().input("exporter.obj")
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.arg("exporter.def")
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.args(&["-link", "-dll", "-noimplib", "-out:exporter.dll"])
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.run();
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} else {
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cc().arg("-v").arg("-c").out_exe("exporter.obj").input("exporter.c").run();
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cc().input("exporter.obj").arg("exporter.def").arg("-shared").output("exporter.dll").run();
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};
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let out = run("driver").stdout_utf8();
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diff().expected_file("output.txt").actual_text("actual", out).normalize(r#"\r"#, "").run();
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}
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