From: Andrew Cagney <ac131313@cygnus.com>
To: joern.rennecke@st.com
Cc: ezannoni@redhat.com, gcc@gcc.gnu.org, gdb@sources.redhat.com,
aoliva@redhat.com, bje@redhat.com
Subject: Re: SH5 compact register numbering in gcc -> gdb interface
Date: Tue, 07 May 2002 10:13:00 -0000 [thread overview]
Message-ID: <3CD80B1D.3020902@cygnus.com> (raw)
In-Reply-To: <3CD12BF8.7E1650C1@st.com>
> sh-tdep has a lot of hardcoded 'knowledge' how simulator numbers relate
> to the layout of th register cache. Moreover, we should loose all the
> tdep->FOO_REGNUM stuff where the value is actually a constant according
> to the simulator interface.
Just FYI, the thing that controls the internal register layout of GDB is
[currently] the remote protocol. If you try to wire down GDB's internal
register numbers to match the simulator, you'll likely break GDB's
compatibility with existing remote targets.
While this limitation is being worked on, it doesn't affect the GDB <->
sim maping - that can already be adjusted independant of the other
register numbering schema.
enjoy,
Andrew
prev parent reply other threads:[~2002-05-07 17:13 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-30 10:48 Joern Rennecke
2002-04-30 12:11 ` Joern Rennecke
2002-05-01 17:55 ` Elena Zannoni
2002-05-02 3:13 ` Joern Rennecke
2002-05-01 17:52 ` Elena Zannoni
2002-05-02 5:06 ` Joern Rennecke
2002-05-03 9:06 ` gdb/sh-tdep.c: need to eliminate target-dependent static variables Joern Rennecke
2002-05-03 22:21 ` SH5 compact register numbering in gcc -> gdb interface Alexandre Oliva
2002-05-07 7:57 ` Joern Rennecke
2002-05-07 9:41 ` Andrew Cagney
2002-05-07 12:00 ` Joern Rennecke
2002-05-07 12:04 ` Elena Zannoni
2002-05-07 15:13 ` Andrew Cagney
2002-05-09 14:43 ` SH5 compact register numbering in gcc -> gdb interface - include/elf/sh.h ? Joern Rennecke
2002-05-09 15:33 ` Elena Zannoni
2002-05-09 16:50 ` Andrew Cagney
2002-05-10 6:55 ` Joern Rennecke
2002-05-10 7:40 ` Andrew Cagney
2002-05-10 7:49 ` Joern Rennecke
2002-05-10 7:03 ` SH simulator register numbers: include/gdb/sim-sh.h Joern Rennecke
2002-06-11 10:19 ` Unreviewed patch: add include/gdb/sim-sh.h (Was: Re: SH simulator register numbers: include/gdb/sim-sh.h) Joern Rennecke
2002-06-11 14:53 ` Elena Zannoni
2002-05-10 3:09 ` SH5 compact register numbering in gcc -> gdb interface - include/elf/sh.h ? Joern Rennecke
2002-05-10 7:33 ` Andrew Cagney
2002-05-10 7:46 ` Joern Rennecke
2002-05-10 3:25 ` Joern Rennecke
2002-05-07 12:03 ` SH5 compact register numbering in gcc -> gdb interface Joern Rennecke
2002-05-09 21:54 ` Alexandre Oliva
2002-05-08 0:14 ` DWARFx ? .debug sections infos phi 4369
2002-05-08 1:36 ` Lars Brinkhoff
2002-05-08 1:53 ` phi 4369
2002-05-08 6:35 ` Petr Sorfa
2002-05-07 10:13 ` Andrew Cagney [this message]
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