[OSy] gdb how

[Artur Finger]

Thanks a lot, this helped. (I wasn't). I falsely assumed that "gdb" on
@uniform would be set to this correct path by default. Indeed it was not.

On 8 November 2016 at 11:40, Adam Hornáček <ado.hornacek at gmail.com> wrote:

> Are you using /usr/local/cross/mips32/bin/mipsel-linux-gnu-gdb ?
>
> On 8 Nov 2016, at 11:37, Artur Finger <fingerartur at gmail.com> wrote:
>
> I'm getting this:
>
> target remote localhost:3000
>
>> warning: No executable has been specified and target does not support
>> determining executable automatically.  Try using the "file" command.
>
> 0x00000000 in ?? ()
>>
> (gdb) break frame_init
>
>> Breakpoint 1 at 0x8000b150: file mm/falloc.c, line 100.
>>
> (gdb) c
>
>> Continuing.
>> Warning:
>> Cannot insert breakpoint 1.
>> Cannot access memory at address 0x8000b150
>>
> Command aborted.
>>
>
>
> On 8 November 2016 at 08:04, Jan Hrach <jenda at yakumo.hrach.eu> wrote:
>
>> $ msim -g 3000
>>
>> $ gdb   (the mipsel version, of course)
>> symbol-file kernel/kernel.raw
>> set endian little
>> target remote localhost:3000
>> break frame_init
>> c
>> p npages
>>
>>
>> On 8.11.2016 07:54, Artur Finger wrote:
>> > Hello, could you please give me a simple example of how to debug
>> function frame_init() (in mm/falloc.c) with gdb? (eg. look at the value of
>> variable A in frame_init())
>> >
>> > Have a nice day,
>> > Artur Finger
>> >
>> >
>> > _______________________________________________
>> > OSy mailing list
>> > OSy at d3s.mff.cuni.cz
>> > https://d3s.mff.cuni.cz/mailman/listinfo/osy
>> >
>>
>>
>> --
>> Jan Hrach | https://jenda.hrach.eu/
>> GPG CD98 5440 4372 0C6D 164D A24D F019 2F8E 6527 282E
>>
>> _______________________________________________
>> OSy mailing list
>> OSy at d3s.mff.cuni.cz
>> https://d3s.mff.cuni.cz/mailman/listinfo/osy
>>
>
> _______________________________________________
> OSy mailing list
> OSy at d3s.mff.cuni.cz
> https://d3s.mff.cuni.cz/mailman/listinfo/osy
>
>
>
> _______________________________________________
> OSy mailing list
> OSy at d3s.mff.cuni.cz
> https://d3s.mff.cuni.cz/mailman/listinfo/osy
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://d3s.mff.cuni.cz/pipermail/nswi004/attachments/20161108/a4de0217/attachment.html>