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GDB Conditional breakpoint, Weird Behaviour



2019 Community Moderator ElectionIs there a C++ gdb GUI for Linux?Why can't variables be declared in a switch statement?Getting gdb to save a list of breakpoints?GDB not breaking on breakpoints set on object creation in C++C++11 introduced a standardized memory model. What does it mean? And how is it going to affect C++ programming?Why does changing 0.1f to 0 slow down performance by 10x?GDB conditional breakpoint on arbitrary typesgdb fails with “Unable to find Mach task port for process-id” errorReplacing a 32-bit loop counter with 64-bit introduces crazy performance deviationsWeird behaviour of GDB










0















GDB Version: 8.1



The following, does not work:



condition 2 strcmp(x,"hello") == 0


The following, works



condition 2 strcmp()(x,"hello") == 0


why?










share|improve this question






















  • As an alternative, you can use the convenience function $_streq(x, "hello") which will return 1 if they're equal.

    – Mark Plotnick
    Mar 7 at 0:43















0















GDB Version: 8.1



The following, does not work:



condition 2 strcmp(x,"hello") == 0


The following, works



condition 2 strcmp()(x,"hello") == 0


why?










share|improve this question






















  • As an alternative, you can use the convenience function $_streq(x, "hello") which will return 1 if they're equal.

    – Mark Plotnick
    Mar 7 at 0:43













0












0








0








GDB Version: 8.1



The following, does not work:



condition 2 strcmp(x,"hello") == 0


The following, works



condition 2 strcmp()(x,"hello") == 0


why?










share|improve this question














GDB Version: 8.1



The following, does not work:



condition 2 strcmp(x,"hello") == 0


The following, works



condition 2 strcmp()(x,"hello") == 0


why?







c++ gdb






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Mar 6 at 14:26









JoeJoe

314




314












  • As an alternative, you can use the convenience function $_streq(x, "hello") which will return 1 if they're equal.

    – Mark Plotnick
    Mar 7 at 0:43

















  • As an alternative, you can use the convenience function $_streq(x, "hello") which will return 1 if they're equal.

    – Mark Plotnick
    Mar 7 at 0:43
















As an alternative, you can use the convenience function $_streq(x, "hello") which will return 1 if they're equal.

– Mark Plotnick
Mar 7 at 0:43





As an alternative, you can use the convenience function $_streq(x, "hello") which will return 1 if they're equal.

– Mark Plotnick
Mar 7 at 0:43












1 Answer
1






active

oldest

votes


















0















why?




Assuming you are on a Linux system, this is most likely caused by the fact that strcmp is a GNU indirect function.



Installing debug info for GLIBC (libc-dbg, or some such package) may help.



This could be a considered a bug in GDB, feel free to create a new bugzilla issue for it.






share|improve this answer






















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    1 Answer
    1






    active

    oldest

    votes








    1 Answer
    1






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes









    0















    why?




    Assuming you are on a Linux system, this is most likely caused by the fact that strcmp is a GNU indirect function.



    Installing debug info for GLIBC (libc-dbg, or some such package) may help.



    This could be a considered a bug in GDB, feel free to create a new bugzilla issue for it.






    share|improve this answer



























      0















      why?




      Assuming you are on a Linux system, this is most likely caused by the fact that strcmp is a GNU indirect function.



      Installing debug info for GLIBC (libc-dbg, or some such package) may help.



      This could be a considered a bug in GDB, feel free to create a new bugzilla issue for it.






      share|improve this answer

























        0












        0








        0








        why?




        Assuming you are on a Linux system, this is most likely caused by the fact that strcmp is a GNU indirect function.



        Installing debug info for GLIBC (libc-dbg, or some such package) may help.



        This could be a considered a bug in GDB, feel free to create a new bugzilla issue for it.






        share|improve this answer














        why?




        Assuming you are on a Linux system, this is most likely caused by the fact that strcmp is a GNU indirect function.



        Installing debug info for GLIBC (libc-dbg, or some such package) may help.



        This could be a considered a bug in GDB, feel free to create a new bugzilla issue for it.







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Mar 6 at 16:52









        Employed RussianEmployed Russian

        126k20169239




        126k20169239





























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