From: Mike Frysinger <vapier@gentoo.org>
To: Andrew Burgess <andrew.burgess@embecosm.com>
Cc: 任建军 <ronren@yeah.net>, gdb@sourceware.org
Subject: Re: Enable simulator on gdb
Date: Thu, 19 Aug 2021 18:13:56 -0400 [thread overview]
Message-ID: <YR7XpCvHziBO4xaK@vapier> (raw)
In-Reply-To: <20210819103235.GA4124615@embecosm.com>
On 19 Aug 2021 11:32, Andrew Burgess wrote:
> * Mike Frysinger <vapier@gentoo.org> [2021-08-17 18:13:37 -0400]:
> > On 29 Jul 2021 09:49, Andrew Burgess wrote:
> > > * 任建军 via Gdb <gdb@sourceware.org> [2021-07-16 11:52:33 +0800]:
> > >
> > > > I have a complie question, An help me answer it?
> > > > I use binutils-gdb source code to build gdb for aarch64，the version is “gdb-9.2-release”, and complie command line is "./configure --target=aarch64 --enable-sim".
> > > > Compile is completed, but when i enter gdb and type command "target sim" , gdb said "Undefined target command: "sim": ..." , am i missed someting when i complie gdb?
> > >
> > > The problem is that in gdb/configure.tgt there is no link to the
> > > compiled simulator. The patch below adds this link for aarch64-elf
> > > targets.
> > >
> > > I believe the reason for this is that the aarch64 simulator is
> > > considered deprecated in favour of using QEMU. Or it could just be an
> > > oversight that this link is missing.
> >
> > while i love QEMU, i'm not sure it should be relevant wrt decisions about the
> > GNU sim and its integration in places.
> >
> > > Either way, this should get it working for you.
> > >
> > > --- a/gdb/configure.tgt
> > > +++ b/gdb/configure.tgt
> > > @@ -117,6 +117,7 @@ case "${targ}" in
> > > aarch64*-*-elf | aarch64*-*-rtems*)
> > > # Target: AArch64 embedded system
> > > gdb_target_obs="aarch64-newlib-tdep.o"
> > > + gdb_sim=../sim/arm/libsim.a
> >
> > guessing you meant aarch64 there and not arm ?
>
> Yes I did. Thanks.
gotcha. posted a patch to turn it on for aarch64 & cris.
-mike
prev parent reply other threads:[~2021-08-19 22:13 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-16 3:52 任建军
2021-07-29 8:49 ` Andrew Burgess
2021-08-17 22:13 ` Mike Frysinger
2021-08-19 10:32 ` Andrew Burgess
2021-08-19 22:13 ` Mike Frysinger [this message]
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