Hi Scott:
When I build cross gdb for ARM Linux, two executables are generated. One is
arm-linux-gdb and another one is arm-linux-run. I believe the arm-linux-run
is the arm-linux simulator. The command "target sim" will bring up the
arm-linux-run simulator to run the code for debugging when the arm-linux-gdb
is running. It is supposed that I can use arm-linux-run to run a binary
code with ARM elf little endian (big endian) format. When I built cross
gdb, I used the native(i686) compiler because the gdb is running on an i686
machine. The binary code is generated by a cross compiler. I will try to
check out CVS snapshot to build a new cross gdb and debug the ARM binary
code in a i686 machine.
Would you please let me know how you build your cross gdb and use it. Also
the method the check out the CVS code for gdb.
Thanks a lot for your information.
David
-----Original Message-----
From: Scott Bambrough [mailto:[EMAIL PROTECTED]]
Sent: Friday, April 07, 2000 2:52 PM
To: Meng, David
Cc: [EMAIL PROTECTED]
Subject: Re: Cross gdb
"Meng, David" wrote:
> ./configure --target=arm-linux --host=i686-pc-linux-gnu
I take it you are trying to build a cross GDB for ARM Linux. The compiler
is
set up to generate little endian ARM code for ARM Linux.
> Do you know how to tell the gdb to generate the little(big) ARM simulator
> in building a cross gdb.
I think the answer in this case is you can't. There is no simulator for ARM
Linux in the GDB sources AFAIK. I've never heard of anyone doing this.
I'm sure a cross GDB for ARM Linux will have to use a gdbserver running on
the
target machine, and debug over the serial or ethernet ports. I've never
done
this, so I don't know if it works. I made some changes to GDB this week for
this. Phil, did you have any luck?
> Also would you please tell me if the CVS snapshot contains ARM update code
> in the gdb?
GDB 4.18 doesn't have support for ARM Linux. The latest GDB snapshots do
contain support for ARM Linux, as does the CVS tree. You need a snapshot
dated
later than April 5, 2000 to do what you want to do, or check out the source
from
CVS. I checked in a fix to allow a cross debugger for ARM Linux to build on
Wednesday. I'm going to check in some Makefile dependency changes today for
the
same problem, so I recommend checking out a tree from CVS.
Scott
--
Scott Bambrough - Software Engineer
REBEL.COM http://www.rebel.com
NetWinder http://www.netwinder.org
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