[RFC PATCH 0/3] implement dlmopen hooks for gdb

[Carlos O'Donell]

On 9/17/20 8:59 AM, Florian Weimer wrote:
> * Carlos O'Donell:
> 
>> You will always have .dynsym with a definition for _r_debug_dlmopen.
> 
> Note that this doesn't work if you just have a core file.  In order to
> find _r_debug (or _r_debug_dlmopen), a debugger needs the exact same
> copy of ld.so that was used by the executable, otherwise the symbol
> cannot be found in the image.

You are correct.

I followed up on my own email regarding this.

So in the end to get process and core file debugging we'll need:

* _r_debug_dlmopen
* DT_DEBUG_DLMOPEN

-- 
Cheers,
Carlos.