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Subject:	Re: gdb 7.0 and coff debug format failing.
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From:	"Andris Pavenis (andris DOT pavenis AT iki DOT fi) [via djgpp AT delorie DOT com]" <djgpp AT delorie DOT com>
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Date:	Wed, 1 Jul 2015 11:20:05 +0300
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06/30/2015, 07:41 PM, Eli Zaretskii (eliz AT gnu DOT org) kirjoitti:
>> Date: Mon, 29 Jun 2015 15:00:30 -0700 (PDT)
>> From: "Juan Manuel Guerrero (juan DOT guerrero AT gmx DOT de)" <djgpp AT delorie DOT com>
>>
>> OFYI, I have compiled gdb 7.0 using gcc346, bnu225br2 and djdev203 and the test program fails the same way for coff debug format.  It seems to be something different than djdev205.
> Yes, I see the same with my old snapshot of GDB 7.0: I cannot step
> into the 'print' function, unless I use "stepi".  then I see this:
>
>    0x00001611        16           bytes = print(message);
>    (gdb) si
>    0x000015ac in print (message=0x8f950 "qwertz")
>    (gdb) n
>    Single stepping until exit from function print,
>    which has no line number information.
>    This is the message:  "qwertz"
>    main () at a.c:17
>    17           return bytes;
>
> So the problem is that GCC doesn't produce line number information for
> GDB to use in this case.
>
> Anyway, please try to debug larger programs.  If that works, it's good
> enough.
I guess we do not need so old GDB version as 7.0. gdb-7.7.1 seems to be 
OK for COFF debugging info.

Eli, could You check it with debugging emacs?

Andris

PS. I used binutils-2.25 r2 for my tests.

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