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Date: Tue, 06 Apr 2004 23:24:00 -0000
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From: Mark Kettenis <kettenis@chello.nl>
To: ford@vss.fsi.com
CC: jimb@redhat.com, eliz@gnu.org, gdb-patches@sources.redhat.com
In-reply-to: <Pine.GSO.4.58.0404051748340.21204@thing1-200> (message from
	Brian Ford on Mon, 5 Apr 2004 18:19:09 -0500 (CDT))
Subject: Re: [PATCH] i386_stab_reg_to_regnum (4 <-> 5, ebp <-> esp)
References: <8011-Fri02Apr2004094123+0300-eliz@gnu.org>
 <Pine dot GSO dot 4 dot 58 dot 0404021000390 dot 21204 at thing1-200> <2719-Fri02Apr2004213907+0300-eliz at gnu dot org>
 <Pine dot GSO dot 4 dot 58 dot 0404021648050 dot 21204 at thing1-200> <vt2ptam2gg1 dot fsf at zenia dot home> <Pine.GSO.4.58.0404051748340.21204@thing1-200>
X-SW-Source: 2004-04/txt/msg00157.txt.bz2

   Date: Mon, 5 Apr 2004 18:19:09 -0500 (CDT)
   From: Brian Ford <ford@vss.fsi.com>

   > The big question is, "Why wasn't it noticed before?" but there's an
   > answer to that which seems pretty solid to me:
   >
   > - GCC's dbx_register_map and GDB's i386_stab_reg_to_regnum simply
   >   aren't used on many modern systems.  Every ELF target that I see in
   >   GCC (except for i[34567]86-*-nto-qnx*) uses gcc/config/i386/i386.c's
   >   svr4_dbx_register_map.  That agrees with i386-tdep.c's
   >   i386_dwarf_reg_to_regnum.
   [snip]
   >   So just about every ELF target uses gdb/i386.c's
   >   i386_dwarf_reg_to_regnum for both STABS and Dwarf 2.  So they never
   >   see the broken numbering.

   Agreed.  I still propose we rename the _to_regnum functions, replacing
   stabs and dwarf with dbx and svr4 to reduce confusion.  I'll be happy to
   make a patch :-).

Please do so.

Mark