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+// Both GCC and Clang write by default a `.comment` section with compiler information. |
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+// Rustc received a similar .comment section, so this tests checks that this section |
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+// properly appears. |
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+// See https://github.com/rust-lang/rust/commit/74b8d324eb77a8f337b35dc68ac91b0c2c06debc |
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+ |
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+//@ only-linux |
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+ |
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+use std::path::PathBuf; |
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+ |
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+use run_make_support::llvm_readobj; |
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+use run_make_support::rustc; |
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+use run_make_support::{cwd, env_var, read_dir, run_in_tmpdir}; |
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+ |
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+fn main() { |
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+let target = env_var("TARGET"); |
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+ |
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+rustc() |
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+.arg("-") |
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+.stdin("fn main() {}") |
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+.emit("link,obj") |
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+.arg("-Csave-temps") |
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+.target(&target) |
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+.run(); |
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+ |
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+// Check linked output has a `.comment` section with the expected content. |
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+llvm_readobj() |
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+.section(".comment") |
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+.input("rust_out") |
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+.run() |
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+.assert_stdout_contains("rustc version 1."); |
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+ |
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+// Check all object files (including temporary outputs) have a `.comment` |
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+// section with the expected content. |
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+read_dir(cwd(), |f |
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+if !f.extension().is_some_and(|ext |
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+return; |
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+} |
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+ |
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+llvm_readobj() |
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+.section(".comment") |
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+.input(&f) |
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+.run() |
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+.assert_stdout_contains("rustc version 1."); |
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+}); |
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+} |