gdb and core files
Fri Jul 3 06:37:40 GMT 2020
Jon Turney wrote:
> On 30/06/2020 04:24, Mark Geisert wrote:
>> Ken Brown via Cygwin wrote:
>>> On 6/28/2020 9:31 AM, Jon Turney wrote:
>>>> On 28/06/2020 01:50, Ken Brown via Cygwin wrote:
>>>>> Following the instructions at
>>>>> https://cygwin.com/cygwin-ug-net/using-cygwinenv.html, I tried to create a
>>>>> core file that I could examine with gdb, but I apparently ran into a gdb
>>>>> bug. I tried both gdb 9.2-1 and 8.3.1-1. Here are the results with 9.2-1.
>>>> Unfortunately, I think dumper doesn't produce anything useful on x86_64. See
>>>>  et seq.
>>> Thanks. Sorry I didn't notice that people had asked the same question before.
>>> We should probably fix the documentation:
> Yeah, with hindsight, that would have been a good idea.
>> I hesitate to comment when I can't immediately work on this, but, ...making
>> dumper work on 64-bit Cygwin is on my TODO list but not right at the top. It
>> would be helpful to keep the program around in its current 32-bit state as a
>> template for 64-bit.
> I had a poke at this problem this week.
>  https://cygwin.com/pipermail/cygwin-patches/2020q3/010313.html
>  https://sourceware.org/pipermail/gdb-patches/2020-July/170023.html
Ow, I've been ninja'd! Seriously, nice to see this work. Great!
>> P.S. For the long term, I think it was Jon who suggested dumper generate
>> Windows minidumps rather than the current Frankensteinish dumps. I intend to
>> investigate that when I get to this project.
> Not quite. There's already a tool ('minidumper') to generate minidumps. But
> gdb can't read those (yet).
Appreciate the correction. I'll check in when I can spend time on this.
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