From: Nathan Froyd <froydnj@codesourcery.com>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Extending gdb stub implementation with ARM926 registers support
Date: Wed, 1 Jul 2009 12:26:37 -0700 [thread overview]
Message-ID: <20090701192637.GF1119@codesourcery.com> (raw)
In-Reply-To: <dd5065570907011005l2cf14fbao5b61d15ecd3563d@mail.gmail.com>
On Wed, Jul 01, 2009 at 09:05:35PM +0400, Dmitry Smirnov wrote:
> As you know, ARM926 has few registers that are not supported by
> current gdb stub. For instance, SPSRs, R13_abt, etc.
>
> Is it possible to extend gdb stub in this way?
> I would try to do it by myself, but I need some guidelines. Obviously,
> I need to extend the stub with some xml files describing these
> registers and add its processing somehow. How?
You'll need to:
- Write the necessary XML file(s) in gdb-xml/. I believe the format of
the XML files is minimally documented in the GDB manual. Reading
other XML files can help as well (both in QEMU and GDB itself);
- Add those XML file(s) to gdb_xml_files in configure for appropriate
targets;
- Add appropriate calls to gdb_register_coprocessor in
target-arm/helper.c:cpu_arm_init.
-Nathan
prev parent reply other threads:[~2009-07-01 19:26 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-01 17:05 [Qemu-devel] Extending gdb stub implementation with ARM926 registers support Dmitry Smirnov
2009-07-01 19:26 ` Nathan Froyd [this message]
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