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Use /proc/self/maps when available instead of std::env::current_exe #488

Merged
merged 9 commits into from
Oct 25, 2022
Merged

Use /proc/self/maps when available instead of std::env::current_exe #488

merged 9 commits into from
Oct 25, 2022

Commits on Oct 21, 2022

  1. standalone proc/self/maps parsing code to try instead of less reliabl… 

    …e current_exe.

(updated to only define the parse_running_mmaps module in cases where we are
also defining libs_dl_iterate_phdr, since that is the only place it is currently
needed.)
    @pnkfelix
    pnkfelix committed Oct 21, 2022
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  2. checkpoint regression test demonstrating failure of rust issue 101913.

    @pnkfelix
    pnkfelix committed Oct 21, 2022
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  3. fix code to work for cargo test --no-default-features .

    @pnkfelix
    pnkfelix committed Oct 21, 2022
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Commits on Oct 24, 2022

  1. fix test to ignore itself when it cannot invoke readelf.

    @pnkfelix
    pnkfelix committed Oct 24, 2022
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  2. Conditionalize 64-bit test. Add test that works for 32-bit targets.

    @pnkfelix
    pnkfelix committed Oct 24, 2022
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  3. placate cargo fmt.

    @pnkfelix
    pnkfelix committed Oct 24, 2022
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  4. switch to pure Read rather than BufRead based implementation, to … 

    …save a bit on code size.

ls -sk before:
1052 target/release/libbacktrace.rlib

ls -sk after:
1044 target/release/libbacktrace.rlib
    @pnkfelix
    pnkfelix committed Oct 24, 2022
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Commits on Oct 25, 2022

  1. Avoid using str::split_once method, since the MSRV is 1.42 but that… 

    … was added in 1.52.
    @pnkfelix
    pnkfelix committed Oct 25, 2022
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  2. placate cargo fmt.

    @pnkfelix
    pnkfelix committed Oct 25, 2022
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