1 files changed, 60 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_cranelift/build_system/abi_checker.rs b/compiler/rustc_codegen_cranelift/build_system/abi_checker.rs
new file mode 100644
index 000000000..67dbd0a38
--- /dev/null
+++ b/compiler/rustc_codegen_cranelift/build_system/abi_checker.rs
@@ -0,0 +1,60 @@
+use super::build_sysroot;
+use super::config;
+use super::utils::spawn_and_wait;
+use build_system::SysrootKind;
+use std::env;
+use std::path::Path;
+use std::process::Command;
+
+pub(crate) fn run(
+    channel: &str,
+    sysroot_kind: SysrootKind,
+    target_dir: &Path,
+    cg_clif_build_dir: &Path,
+    host_triple: &str,
+    target_triple: &str,
+) {
+    if !config::get_bool("testsuite.abi-checker") {
+        eprintln!("[SKIP] abi-checker");
+        return;
+    }
+
+    if host_triple != target_triple {
+        eprintln!("[SKIP] abi-checker (cross-compilation not supported)");
+        return;
+    }
+
+    eprintln!("Building sysroot for abi-checker");
+    build_sysroot::build_sysroot(
+        channel,
+        sysroot_kind,
+        target_dir,
+        cg_clif_build_dir,
+        host_triple,
+        target_triple,
+    );
+
+    eprintln!("Running abi-checker");
+    let mut abi_checker_path = env::current_dir().unwrap();
+    abi_checker_path.push("abi-checker");
+    env::set_current_dir(abi_checker_path.clone()).unwrap();
+
+    let build_dir = abi_checker_path.parent().unwrap().join("build");
+    let cg_clif_dylib_path = build_dir.join(if cfg!(windows) { "bin" } else { "lib" }).join(
+        env::consts::DLL_PREFIX.to_string() + "rustc_codegen_cranelift" + env::consts::DLL_SUFFIX,
+    );
+
+    let pairs = ["rustc_calls_cgclif", "cgclif_calls_rustc", "cgclif_calls_cc", "cc_calls_cgclif"];
+
+    let mut cmd = Command::new("cargo");
+    cmd.arg("run");
+    cmd.arg("--target");
+    cmd.arg(target_triple);
+    cmd.arg("--");
+    cmd.arg("--pairs");
+    cmd.args(pairs);
+    cmd.arg("--add-rustc-codegen-backend");
+    cmd.arg(format!("cgclif:{}", cg_clif_dylib_path.display()));
+
+    spawn_and_wait(cmd);
+}