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Support #[global_allocator] without the allocator shim #86844

Merged
merged 14 commits into from
May 25, 2023
Merged

Support #[global_allocator] without the allocator shim #86844

merged 14 commits into from
May 25, 2023

Commits on May 11, 2023

  1. Inline AllocFnFactory kind field

    @bjorn3
    bjorn3 committed May 11, 2023
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  2. Don't use an allocator shim for #[global_allocator] 

    This makes it possible to use liballoc/libstd in combination with
`--emit obj` if you use `#[global_allocator]`. Making it work for the
default libstd allocator would require weak functions, which are not
well supported on all systems.
    @bjorn3
    bjorn3 committed May 11, 2023
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  3. Split AllocatorKind::fn_name in global_fn_name and default_fn_name

    @bjorn3
    bjorn3 committed May 11, 2023
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  4. Use global_fn_name instead of format!

    @bjorn3
    bjorn3 committed May 11, 2023
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  5. Prevent insta-stable no alloc shim support 

    You will need to add the following as replacement for the old __rust_*
definitions when not using the alloc shim.

    #[no_mangle]
    static __rust_no_alloc_shim_is_unstable: u8 = 0;
    @bjorn3
    bjorn3 committed May 11, 2023
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  6. Add test

    @bjorn3
    bjorn3 committed May 11, 2023
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  7. Fix allocator shim handling in miri

    @bjorn3
    bjorn3 committed May 11, 2023
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  8. Fix fs miri test on AArch64

    @bjorn3
    bjorn3 committed May 11, 2023
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  9. Improve miri comments

    @bjorn3
    bjorn3 committed May 11, 2023
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  10. Fix review comments 

    Co-authored-by: Ralf Jung <[email protected]>
    @bjorn3 @RalfJung
    bjorn3 and RalfJung committed May 11, 2023
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  11. Fix test

    @bjorn3
    bjorn3 committed May 11, 2023
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  12. Fix no-alloc-shim test on MSVC

    @bjorn3
    bjorn3 committed May 11, 2023
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  13. Ignore test on MSVC for now 

    I can't figure out how to link with the MSVC toolchain
    @bjorn3
    bjorn3 committed May 11, 2023
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  14. Bless miri tests

    @bjorn3
    bjorn3 committed May 11, 2023
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