linux-kernel - Re: [PATCH] scripts/gdb: fix lx-symbols 'gdb.error' while loading modules

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Date:   Thu, 23 Jul 2020 11:39:03 +0100
From:   Kieran Bingham <kbingham@...nel.org>
To:     Jan Kiszka <jan.kiszka@...mens.com>,
        Stefano Garzarella <sgarzare@...hat.com>,
        linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] scripts/gdb: fix lx-symbols 'gdb.error' while loading
 modules

Hi All,

On 23/07/2020 11:25, Jan Kiszka wrote:
> On 22.07.20 12:22, Stefano Garzarella wrote:
>> Commit ed66f991bb19 ("module: Refactor section attr into bin
>> attribute") removed the 'name' field from 'struct module_sect_attr'
>> triggering the following error when invoking lx-symbols:
>>
>>    (gdb) lx-symbols
>>    loading vmlinux
>>    scanning for modules in linux/build
>>    loading @0xffffffffc014f000: linux/build/drivers/net/tun.ko
>>    Python Exception <class 'gdb.error'> There is no member named name.:
>>    Error occurred in Python: There is no member named name.
>>
>> This patch fixes the issue taking the module name from the 'struct
>> attribute'.
>>

It might not be needed if this gets in to v5.8 in time, but perhaps:

Fixes: ed66f991bb19 ("module: Refactor section attr into bin attribute")

>> Signed-off-by: Stefano Garzarella <sgarzare@...hat.com>

Otherwise, also looks fine to me.

Reviewed-by: Kieran Bingham <kbingham@...nel.org>

>> ---
>>   scripts/gdb/linux/symbols.py | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/scripts/gdb/linux/symbols.py b/scripts/gdb/linux/symbols.py
>> index be984aa29b75..1be9763cf8bb 100644
>> --- a/scripts/gdb/linux/symbols.py
>> +++ b/scripts/gdb/linux/symbols.py
>> @@ -96,7 +96,7 @@ lx-symbols command."""
>>               return ""
>>           attrs = sect_attrs['attrs']
>>           section_name_to_address = {
>> -            attrs[n]['name'].string(): attrs[n]['address']
>> +            attrs[n]['battr']['attr']['name'].string():
>> attrs[n]['address']
>>               for n in range(int(sect_attrs['nsections']))}
>>           args = []
>>           for section_name in [".data", ".data..read_mostly",
>> ".rodata", ".bss",
>>
> 
> Reviewed-by: Jan Kiszka <jan.kiszka@...mens.com>
> 
> Thanks,
> Jan
> 


-- 
--
Kieran