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From: "Ulrich Weigand" <uweigand@de.ibm.com>
To: tim@sifive.com (Tim Newsome)
Cc: gdb@sourceware.org (gdb)
Subject: Re: gdbarch_init, ABI, and registers
Date: Sat, 09 Dec 2017 11:27:00 -0000	[thread overview]
Message-ID: <20171209112404.D03C8D80222@oc3748833570.ibm.com> (raw)
In-Reply-To: <CAGDihek6x2QrFBJPHbzA4JxW56wFpAVp_c3CE+EzOjwOoZJhXA@mail.gmail.com> from "Tim Newsome" at Dec 08, 2017 12:03:10 PM

Tim Newsome wrote:

> Am I right in that riscv_gdbarch_init() can differentiate these two cases
> based on whether a target description is passed in or not? Eg. if there is
> a target description, register structures need to be set up, and if there
> isn't then that's not necessary?

Yes, exactly.

> The problem I was seeing is that registers were showing up which shouldn't.
> The reason (as I understand it now) is that I was depending on global
> variables in riscv-tdep.c instead of putting them in gdbarch.data. I'll
> make that change, and hopefully then everything will be better.

I see.  Global variables would indeed explain the problem ...


Bye,
Ulrich

-- 
  Dr. Ulrich Weigand
  GNU/Linux compilers and toolchain
  Ulrich.Weigand@de.ibm.com


      reply	other threads:[~2017-12-09 11:27 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-06 20:21 Tim Newsome
2017-12-07 14:21 ` Handling language trampoline Dmitry Antipov
2017-12-07 14:58   ` Pedro Alves
2017-12-08  6:39     ` Dmitry Antipov
2017-12-08 11:12       ` Pedro Alves
2017-12-07 21:22 ` gdbarch_init, ABI, and registers Tim Newsome
2017-12-08 12:20   ` Ulrich Weigand
2017-12-08 20:03     ` Tim Newsome
2017-12-09 11:27       ` Ulrich Weigand [this message]

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