[Geany-Users] Debugging with gdb

[Lex Trotman]

On 2 March 2016 at 22:08, EenyMeenyMinyMoa <eenymeenyminymoa at gmail.com> wrote:
> Thanks, Colomban.
>
>>> When I press the Run button in Debug tab,
>>> a message box appears saying
>>> "Error loading file".
>>
>> Did you properly select the program to run in the Target entry of
>> Debugger's Target tab?  That's where you tell the plugin what program
>> you want to debug.  You need to select the binary GCC generated (and not
>> an object file, e.g. not something generated with GCC's -c option).
>
> I selected
> foo.c (source code)
> in the Target entry of Debugger's Target tab.
> I've changed this into
> foo.o (the binary GCC generated)
> ,then I can do debugging successfully.
>
>>> And in the "Breakpoints" tab, an old breakpoint of a past file still remains.
>>> How can I delete this?
>>
>> You either click on the diamond shape in the sidebar when having this
>> file open, or select the breakpoint in the list and hit Delete.
>
> Where is "Delete"? I can't find it.

The "Delete" key?

> And by hitting "Delete",can I erase the names of past files,too?

You have to select the breakpoint to delete it, so you have to have
the file open to select it.

> It may be a trivial thing though.
>
> $ geany --version
> geany 1.24.1 (built on 2014-04-19 with GTK 2.24.23, GLib 2.40.0)
> $ dpkg -l geany-plugin-debugger
> Desired=Unknown/Install/Remove/Purge/Hold
> | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
> |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
> ||/ Name           Version      Architecture Description
> +++-==============-============-============-=================================
> ii  geany-plugin-d 1.24+dfsg-5  amd64        debugger plugin for Geany
>
> EenyMeenyMinyMoa
>
>
> 2016-03-02 5:28 GMT+08:00, Colomban Wendling <lists.ban at herbesfolles.org>:
>> Hi,
>>
>> Le 24/02/2016 13:18, EenyMeenyMinyMoa a écrit :
>>> Hi,
>>> I want to do debugging by geany&gdb.
>>> I use debian jessie.
>>>
>>> At first, I post this question on debian-users mailing list.
>>> https://lists.debian.org/debian-user/2016/02/msg00696.html
>>> https://lists.debian.org/debian-user/2016/02/msg00697.html
>>> https://lists.debian.org/debian-user/2016/02/msg00810.html
>>> https://lists.debian.org/debian-user/2016/02/msg00815.html
>>> But I think this mailing list is more appropiate, so I post this.
>>
>> Yes, here's probably a better location.
>>
>>> In debian-users mailing list,
>>> I receive an advice
>>> that I should install geany-plugin-debugger, not geany-plugin-gdb,
>>> for debian jessie.
>>
>> There are 3 debugger plugins:
>>
>> geanygdb, which is quite old, Debugger and Scope.  I would recommend
>> either of the last 2, although I never tried Scope.
>>
>> So that was good advice.
>>
>>> After
>>> $ sudo apt-get install geany-plugin-debugger
>>> ,the Debug tab appeared at the below part of Geany.
>>
>> That's good, at least the plugin is properly loaded now :)
>>
>>> In the "Build"/"Set Build Commands" menu, I've set
>>> compile: gcc -Wall -g -c "%f"
>>> build: gcc -Wall -g -o "%e" "%f"
>>>
>>> I tried to do debugging the following code for a test.
>>>
>>> #include <stdio.h>
>>> int main() {
>>> double x = 3;
>>> printf("%d ", x);
>>> return 0;
>>> }
>>
>> Good idea to debug this, it has a pretty glaring bug: %d format in
>> printf() expects an integer, not a double -- not to mention it's likely
>> missing a \n, too :)
>> Though, I'm not sure if a debugger can really help here…
>>
>>>
>>> When I press the Run button in Debug tab,
>>> a message box appears saying
>>> "Error loading file".
>>
>> Did you properly select the program to run in the Target entry of
>> Debugger's Target tab?  That's where you tell the plugin what program
>> you want to debug.  You need to select the binary GCC generated (and not
>> an object file, e.g. not something generated with GCC's -c option).
>>
>> This said, the Debugger plugin received several fixes recently, which
>> will only be part of the next release.  In the previous version I think
>> it was not possible to work on files if their path contained non-ASCII
>> characters, i.e. accentuated letters from non-English languages.
>>
>>> […]
>>> And in the "Breakpoints" tab, an old breakpoint of a past file still
>>> remains.
>>> How can I delete this?
>>
>> You either click on the diamond shape in the sidebar when having this
>> file open, or select the breakpoint in the list and hit Delete.
>>
>> Regards,
>> Colomban
>> _______________________________________________
>> Users mailing list
>> Users at lists.geany.org
>> https://lists.geany.org/cgi-bin/mailman/listinfo/users
>>
> _______________________________________________
> Users mailing list
> Users at lists.geany.org
> https://lists.geany.org/cgi-bin/mailman/listinfo/users