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Generate synthetic object file to ensure all exported and used symbols participate in the linking #95604

Merged
merged 11 commits into from
Apr 25, 2022
Merged

Generate synthetic object file to ensure all exported and used symbols participate in the linking #95604

merged 11 commits into from
Apr 25, 2022
+322 −73

Commits on Apr 18, 2022

  1. Add a test for issue 47384

    @nbdd0121
    nbdd0121 committed Apr 18, 2022
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  2. Add SymbolExportInfo 

    This is currently a wrapper to `SymbolExportLevel` but it allows
later addition of extra information.
    @nbdd0121
    nbdd0121 committed Apr 18, 2022
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  3. Make #[used] considered reachable

    @nbdd0121
    nbdd0121 committed Apr 18, 2022
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  4. Synthesis object file for #[used] and exported symbols

    @nbdd0121
    nbdd0121 committed Apr 18, 2022
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  5. Ignore paths in temporary dir in reproducible build test

    @nbdd0121
    nbdd0121 committed Apr 18, 2022
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  6. Refactor exported_symbols and linked_symbols for code reuse

    @nbdd0121
    nbdd0121 committed Apr 18, 2022
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  7. Conditionally export msan symbols only if they are defined 

    * `__msan_keep_going` is defined when `-Zsanitizer-recover=memory`.
* `__msan_track_origins` is defined when `-Zsanitizer-memory-track-origins`.
    @nbdd0121
    nbdd0121 committed Apr 18, 2022
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  8. Skip broken symbol visibility test in MinGW

    @nbdd0121
    nbdd0121 committed Apr 18, 2022
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Commits on Apr 24, 2022

  1. Fix MSVC hang issue

    @nbdd0121
    nbdd0121 committed Apr 24, 2022
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  2. Ensure #[used] symbols are preserved in LTO

    @nbdd0121
    nbdd0121 committed Apr 24, 2022
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Commits on Apr 25, 2022

  1. Stop exporting rust_eh_personality and friends from cdylib

    @nbdd0121
    nbdd0121 committed Apr 25, 2022
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