Debugging Rust with gdb

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忘掉有多难
忘掉有多难 2021-02-20 00:21

I\'m aware of the debugging Rust questions here on StackOverflow and I also used gdb before with Go. However, I\'m running into a problem where it seems gdb is unable t

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  •  星月不相逢
    2021-02-20 00:39

    Ok, I figured out what was wrong. I have to manually emit the main.o file. I thought the -g parameter would just cut it.

    Now that I run

    rustc -g main.rs --emit="obj,link"
    

    I can run

    gdb main
    

    And everything works like a charme.

    I created two aliases for my bash to make things simple:

    alias rd='rustc -g --emit="obj,link"'
    
    compile_and_run() {
         rustc -g --emit="obj,link" $1 && gdb ${1%.*}
    }
    
    alias rdr=compile_and_run
    

    Now I can just call rdr main.rs and it will start debugging main.rs with gdb.

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