| // Checks debuginfo compression both for the always-enabled zlib, and when the optional zstd is |
| // enabled: |
| // - via rustc's `debuginfo-compression`, |
| // - and via rust-lld's `compress-debug-sections` |
| |
| //@ needs-llvm-zstd: we want LLVM/LLD to be built with zstd support |
| //@ needs-rust-lld: the system linker will most likely not support zstd |
| //@ only-linux |
| //@ ignore-cross-compile |
| |
| use run_make_support::{Rustc, llvm_readobj, run_in_tmpdir}; |
| |
| fn check_compression(compression: &str, to_find: &str) { |
| // check compressed debug sections via rustc flag |
| prepare_and_check(to_find, |rustc| { |
| rustc.arg(&format!("-Zdebuginfo-compression={compression}")) |
| }); |
| |
| // check compressed debug sections via rust-lld flag |
| prepare_and_check(to_find, |rustc| { |
| rustc.link_arg(&format!("-Wl,--compress-debug-sections={compression}")) |
| }); |
| } |
| |
| fn prepare_and_check<F: FnOnce(&mut Rustc) -> &mut Rustc>(to_find: &str, prepare_rustc: F) { |
| run_in_tmpdir(|| { |
| let mut rustc = Rustc::new(); |
| rustc |
| .arg("-Zlinker-features=+lld") |
| .arg("-Clink-self-contained=+linker") |
| .arg("-Zunstable-options") |
| .arg("-Cdebuginfo=full") |
| .input("main.rs"); |
| prepare_rustc(&mut rustc).run(); |
| llvm_readobj().arg("-t").arg("main").run().assert_stdout_contains(to_find); |
| }); |
| } |
| |
| fn main() { |
| check_compression("zlib", "ZLIB"); |
| check_compression("zstd", "ZSTD"); |
| } |
