Exec format error

This is a discussion on Exec format error within the C Programming forums, part of the General Programming Boards category; I'm using the Llinux operating system for a class, trying to use the gdb debugger to debug a program, but ...

  1. #1
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    Exec format error

    I'm using the Llinux operating system for a class, trying to use the gdb debugger to debug a program, but when I try to run the program in gdb (using the r, and s commands) I am getting an error message saying that there is an exec format error. Wrong Architecture and that my program exited with error code 1. Any help would be appriciated, thanks

  2. #2
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    I've never come across that error before, but it sounds like the executable you're debugging is built for a different architecture/processor than the one you are using to debug. Since you're on Linux, use the file command:
    Code:
    $ file /usr/bin/gdb
    /usr/bin/gdb: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.18, stripped
    $ file /path/to/file/you/are/debugging
    If those two commands return different results you may have problems. Are you doing embedded work? Perhaps GDB is 32-bit and the other file is 64-bit. More details would be necessary, like copy-pasting a transcript of your GDB session.

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