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From: Hauke Mehrtens <hauke@hauke-m.de>
To: musl@lists.openwall.com, Rich Felker <dalias@libc.org>
Cc: d.dorau@avm.de, Hauke Mehrtens <hmehrtens@maxlinear.com>
Subject: Re: [musl] Tracking shared libraries in GDB not working?
Date: Wed, 18 Jan 2023 00:14:28 +0100	[thread overview]
Message-ID: <0a67d948-d348-94f7-9cac-cc81a052f76e@hauke-m.de> (raw)
In-Reply-To: <f58573ab-2cd8-7181-abcd-4cbf19c26d4c@hauke-m.de>

On 1/10/23 21:02, Hauke Mehrtens wrote:
> On 1/9/22 06:14, Rich Felker wrote:
>> On Mon, Dec 20, 2021 at 09:54:40AM +0100, d.dorau@avm.de wrote:
>>> Thanks for your thoughts. I used them to search for further 
>>> information and found
>>> the missing piece:
>>>
>>> https://lists.yoctoproject.org/g/yocto/message/48584
>>>
>>> I applied that first patch
>>> https://lists.yoctoproject.org/g/yocto/attachment/48584/0/0007-Teach-dynlink.c-about-DT_MIPS_RLD_MAP_REL.patch
>>>
>>> and apparently it seems to solve the issue. :-)
>>>
>>> I did a search on this mailing list and couldn't find this patch 
>>> mentioned here.
>>> Maybe you can include this patch in a future release if you think the 
>>> solution is correct.
>>
>> Thanks! This patch is not correct as-is, because the value of
>> DT_MIPS_RLD_MAP_REL is only meaningful on mips and could be reused on
>> other archs. But I've whipped up what I think is a correct version of
>> it here (attached), using the same approach as used for
>> DT_MIPS_RLD_MAP already. If you get a chance, please let me know if it
>> works.
>>
>> Rich
> Hi Rich,
> 
> I tried your attached patch on a mips32 be system and it worked. With 
> this patch gdb was able to find the shared libraries which were loaded 
> with dlopen(). I tested this on OpenWrt 19.07 with musl 1.1.24 and gdb 
> 8.3.1 using gdbserver.
> 
> It would be nice if you could add it to upstream musl libc.
> 
> Hauke
Hi,

This is also working fine for me with recent OpenWrt master using musl 
1.2.3, gcc 12.2 and gdb 12.1.

Hauke

  reply	other threads:[~2023-01-17 23:14 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-15 13:10 d.dorau
2021-12-15 15:20 ` Rich Felker
2021-12-20  8:54 ` d.dorau
2022-01-09  5:14   ` Rich Felker
2023-01-10 20:02     ` Hauke Mehrtens
2023-01-17 23:14       ` Hauke Mehrtens [this message]
2023-01-18 16:03         ` Rich Felker

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