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Remote debugging with QtCreator

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  • V Offline
    V Offline
    Veepee
    wrote on last edited by
    #1

    I have established a ssh connection between target device and my Desktop PC Ubuntu 14.04.
    I have the debug binaries flashed on to the target .

    I have started gdbserver in my target device with port 2345 for my executable.
    To start remote debugging in Qt creator I give
    Debug->STart Debugging->Attach to running debug server

    I get the below error on starting the debug

    Error:
    Debugging starts
    Could not load shared library symbols for linux-gate.so.1.
    Do you need "set solib-search-path" or "set sysroot"?Debugging has finished

    Gdbserver version in target:
    GNU gdbserver (crosstool-NG 1.21.0) 7.10

    Desktop details:
    Ubuntu 14.04
    Qtcreator version 4.0.1
    Qt 5.6.1

    Configuration in Qtcreator for gdb:
    Additional attach commands ( gdb of Qtcreator)
    set solib-search-path /home/XXX/xxx/xxx_GEN/xxx/generated/staging/xxxx86make/usr/lib/:/home/XXX/xxx/xxx_GEN/xxx/generated/bin/xxxx86make/debug/
    set handle SIG32 noprint nostop
    set handle SIG64 noprint nostop
    set detach-on-fork on

    Sysroot path is set in Build & Run configuration of Qtcreator.

    I find linux-gate library is a dynamic virtual lib that is embedded as part of the binary. Any idea why this is not loading ?

    jsulmJ 1 Reply Last reply
    0
    • V Veepee

      I have established a ssh connection between target device and my Desktop PC Ubuntu 14.04.
      I have the debug binaries flashed on to the target .

      I have started gdbserver in my target device with port 2345 for my executable.
      To start remote debugging in Qt creator I give
      Debug->STart Debugging->Attach to running debug server

      I get the below error on starting the debug

      Error:
      Debugging starts
      Could not load shared library symbols for linux-gate.so.1.
      Do you need "set solib-search-path" or "set sysroot"?Debugging has finished

      Gdbserver version in target:
      GNU gdbserver (crosstool-NG 1.21.0) 7.10

      Desktop details:
      Ubuntu 14.04
      Qtcreator version 4.0.1
      Qt 5.6.1

      Configuration in Qtcreator for gdb:
      Additional attach commands ( gdb of Qtcreator)
      set solib-search-path /home/XXX/xxx/xxx_GEN/xxx/generated/staging/xxxx86make/usr/lib/:/home/XXX/xxx/xxx_GEN/xxx/generated/bin/xxxx86make/debug/
      set handle SIG32 noprint nostop
      set handle SIG64 noprint nostop
      set detach-on-fork on

      Sysroot path is set in Build & Run configuration of Qtcreator.

      I find linux-gate library is a dynamic virtual lib that is embedded as part of the binary. Any idea why this is not loading ?

      jsulmJ Offline
      jsulmJ Offline
      jsulm
      Lifetime Qt Champion
      wrote on last edited by
      #2

      @Veepee said in Remote debugging with QtCreator:

      linux-gate.so.1

      it can depend on other libraries.
      What does "ldd linux-gate.so.1" say?

      https://forum.qt.io/topic/113070/qt-code-of-conduct

      1 Reply Last reply
      0
      • V Offline
        V Offline
        Veepee
        wrote on last edited by Veepee
        #3

        I cannot give ldd linux-gate.so.1 because linux-gate is a virtual dynamic lib and does not exist in the system

        ldd linux-gate.so.1

        ldd: ./linux-gate.so.1: No such file or directory

        1 Reply Last reply
        0
        • V Offline
          V Offline
          Veepee
          wrote on last edited by
          #4

          This looks to be an issue with gdb 7.7.1
          The issue gets resolved when I upgrade to 7.8 or later.

          jsulmJ 1 Reply Last reply
          0
          • V Veepee

            This looks to be an issue with gdb 7.7.1
            The issue gets resolved when I upgrade to 7.8 or later.

            jsulmJ Offline
            jsulmJ Offline
            jsulm
            Lifetime Qt Champion
            wrote on last edited by
            #5

            @Veepee Regarding your use of the ldd - you need to pass the whole path to the library so it can actually find it...

            https://forum.qt.io/topic/113070/qt-code-of-conduct

            1 Reply Last reply
            0

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