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Re: MiniDebugInfo support
- From: Jan Kratochvil <jan dot kratochvil at redhat dot com>
- To: elfutils-devel at lists dot fedorahosted dot org
- Date: Thu, 08 Nov 2012 16:31:46 +0100
- Subject: Re: MiniDebugInfo support
On Thu, 08 Nov 2012 11:08:41 +0100, Mark Wielaard wrote:
> What is the reason upstream RPM and GDB haven't accepted this (yet)?
wrt GDB nobody has submitted it upstream yet. And as I stated I am neither
going to submit it nor review it for GDB, I assume someone else from GDB team
> OK, dwfl_module_addrsym () uses a search over the symbols as returned by
> dwfl_module_getsym (). So it might still make sense to just merge the
> symbols from this mini-symtab with the available (dynsym) symbols for
> dwfl_module_getsym () if we want to support this "transparently". I'll
> take a closer look whether that is possible. As Jan pointed out it is
> slightly more difficult than I thought at first since you have to merge
> the dynsym and mini-symtab symbols.
As I already stated I found the same problem for merging in ppc64 dot-symbols
and the merge looked somehow more complicated and not needed for the use case
I had for the dot-symbols.
As the change to dwfl_module_addrsym was very small (to look up two different
"symtabs") as I have done I find the merging feature (to support also
name->addr lookups) as a possible future extension on top of it.