From: Tom de Vries <tdevries@suse.de>
To: Tom Tromey <tom@tromey.com>, nitachra <Nitika.Achra@amd.com>
Cc: JiniSusan.George@amd.com, gdb-patches@sourceware.org
Subject: Re: [PATCH] Fix for the complaint observed when symbol reading due to unsupported .debug_names form.
Date: Sat, 9 May 2020 10:05:35 +0200 [thread overview]
Message-ID: <3668172c-0b5b-1116-4c00-402ef96d6146@suse.de> (raw)
In-Reply-To: <dced0407-a3e6-d964-e027-2e8dfcafa34d@suse.de>
On 08-05-2020 17:16, Tom de Vries wrote:
> On 08-05-2020 16:36, Tom de Vries wrote:
>> On 07-05-2020 15:26, Tom Tromey wrote:
>>>>>>>> ">" == nitachra <Nitika.Achra@amd.com> writes:
>>>
>>>>> Following complaint is observed with the executable compiled with -gdwarf-5
>>>>> and -gpubnames flags- "During symbol reading: Unsupported .debug_names form
>>>>> DW_FORM_ref4". This is the form corresponding to DW_IDX_die_offset attribute.
>>>>> This patch fixes this complaint. Tested with clang 10.0.0. Test case used-
>>>
>>>>> int main()
>>>>> {
>>>>> int sum,a,b;
>>>>> sum = a + b;
>>>>> return sum;
>>>>> }
>>>
>>> Does it fail some existing test in the gdb testsuite?
>>
>> I don't think so, that is, not unless you use:
>> - clang as CC_FOR_TARGET, and
>> - target board unix/-gdwarf-5/-gpubnames.
>>
>>> Normally what we like to see is either that a patch fixes some existing
>>> failure (perhaps when the test suite is run in a certain way); or a new
>>> test that fails before the patch and passes afterward.
>>>
>>
>> I've add a dwarf assembly test-case for this (
>> https://sourceware.org/pipermail/gdb-patches/2020-May/168244.html ).
>>
>> It should kfail without this patch, and pass with this patch (though it
>> doesn't pass for me on openSUSE due to the problem described in PR25941).
>>
>
> So, if someone can verify that the test-case passes with this patch,
> I'll commit.
I've done this on an ubuntu 18.04 system.
Committed.
Thanks,
- Tom
next prev parent reply other threads:[~2020-05-09 8:05 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-04 6:13 nitachra
2020-05-07 13:26 ` Tom Tromey
2020-05-08 14:36 ` Tom de Vries
2020-05-08 15:16 ` Tom de Vries
2020-05-09 8:05 ` Tom de Vries [this message]
2020-05-11 17:50 nitachra
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