What is the significance of “.note.ABI-tag” section in ELF?











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I see a .note.ABI-tag section when I objdump -h <binary> on a ELF file.



As per the ELF man page:



   .note.ABI-tag

             This section is used to declare the expected run-time ABI

             of the ELF image.  It may include the operating system name

             and its run-time versions.  This section is of type

             SHT_NOTE.  The only attribute used is SHF_ALLOC.



  1. Is this section necessary?

  2. What could be the side effects removing this section?

  3. How to remove this section (a gcc flag) from ELF?






linux binaryfiles elf abi







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    up vote
    0
    down vote

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    I see a .note.ABI-tag section when I objdump -h <binary> on a ELF file.



    As per the ELF man page:



       .note.ABI-tag
    
             This section is used to declare the expected run-time ABI
    
             of the ELF image.  It may include the operating system name
    
             and its run-time versions.  This section is of type
    
             SHT_NOTE.  The only attribute used is SHF_ALLOC.



    1. Is this section necessary?

    2. What could be the side effects removing this section?

    3. How to remove this section (a gcc flag) from ELF?






    linux binaryfiles elf abi







    share|improve this question
























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      I see a .note.ABI-tag section when I objdump -h <binary> on a ELF file.



      As per the ELF man page:



         .note.ABI-tag
      
             This section is used to declare the expected run-time ABI
      
             of the ELF image.  It may include the operating system name
      
             and its run-time versions.  This section is of type
      
             SHT_NOTE.  The only attribute used is SHF_ALLOC.



      1. Is this section necessary?

      2. What could be the side effects removing this section?

      3. How to remove this section (a gcc flag) from ELF?






      linux binaryfiles elf abi







      share|improve this question













      I see a .note.ABI-tag section when I objdump -h <binary> on a ELF file.



      As per the ELF man page:



         .note.ABI-tag
      
             This section is used to declare the expected run-time ABI
      
             of the ELF image.  It may include the operating system name
      
             and its run-time versions.  This section is of type
      
             SHT_NOTE.  The only attribute used is SHF_ALLOC.



      1. Is this section necessary?

      2. What could be the side effects removing this section?

      3. How to remove this section (a gcc flag) from ELF?






      linux binaryfiles elf abi




      linux binaryfiles elf abi






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Nov 18 at 16:52









      sob

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