build_system/abi_checker.rs

   1 use super::build_sysroot;
   2 use super::utils::spawn_and_wait_with_input;
   3 use build_system::SysrootKind;
   4 use std::env;
   5 use std::path::Path;
   6 use std::process::Command;
   7
   8 pub(crate) fn run(
   9     channel: &str,
  10     sysroot_kind: SysrootKind,
  11     target_dir: &Path,
  12     cg_clif_build_dir: &Path,
  13     host_triple: &str,
  14     target_triple: &str,
  15 ) {
  16     assert_eq!(
  17         host_triple, target_triple,
  18         "abi-checker not supported on cross-compilation scenarios"
  19     );
  20
  21     eprintln!("Building sysroot for abi-checker");
  22     build_sysroot::build_sysroot(
  23         channel,
  24         sysroot_kind,
  25         target_dir,
  26         cg_clif_build_dir,
  27         host_triple,
  28         target_triple,
  29     );
  30
  31     eprintln!("Running abi-checker");
  32     let mut abi_checker_path = env::current_dir().unwrap();
  33     abi_checker_path.push("abi-checker");
  34     env::set_current_dir(abi_checker_path.clone()).unwrap();
  35
  36     let build_dir = abi_checker_path.parent().unwrap().join("build");
  37     let cg_clif_dylib_path = build_dir.join(if cfg!(windows) { "bin" } else { "lib" }).join(
  38         env::consts::DLL_PREFIX.to_string() + "rustc_codegen_cranelift" + env::consts::DLL_SUFFIX,
  39     );
  40     println!("cg_clif_dylib_path: {}", cg_clif_dylib_path.display());
  41
  42     let pairs = ["rustc_calls_cgclif", "cgclif_calls_rustc", "cgclif_calls_cc", "cc_calls_cgclif"];
  43
  44     for pair in pairs {
  45         eprintln!("[ABI-CHECKER] Running pair {pair}");
  46
  47         let mut cmd = Command::new("cargo");
  48         cmd.arg("run");
  49         cmd.arg("--target");
  50         cmd.arg(target_triple);
  51         cmd.arg("--");
  52         cmd.arg("--pairs");
  53         cmd.arg(pair);
  54         cmd.arg("--add-rustc-codegen-backend");
  55         cmd.arg(format!("cgclif:{}", cg_clif_dylib_path.display()));
  56
  57         let output = spawn_and_wait_with_input(cmd, "".to_string());
  58
  59         // TODO: The correct thing to do here is to check the exit code, but abi-checker
  60         // currently doesn't return 0 on success, so check for the test fail count.
  61         // See: https://github.com/Gankra/abi-checker/issues/10
  62         let failed = !(output.contains("0 failed") && output.contains("0 completely failed"));
  63         if failed {
  64             panic!("abi-checker for pair {} failed!", pair);
  65         }
  66     }
  67 }