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: Tue, 17 Aug 2021 18:13:37 -0400 [thread overview]
Message-ID: <YRw0Tk0LIc2tXg8r@vapier> (raw)
In-Reply-To: <20210729084942.GB9094@embecosm.com>
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 ?
-mike
next prev parent reply other threads:[~2021-08-17 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 [this message]
2021-08-19 10:32 ` Andrew Burgess
2021-08-19 22:13 ` Mike Frysinger
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