* gdb-5.3: how to avoid soft breakpoints?
@ 2004-02-06 15:26 Heiko Panther
2004-02-06 15:38 ` Jon Beniston
0 siblings, 1 reply; 2+ messages in thread
From: Heiko Panther @ 2004-02-06 15:26 UTC (permalink / raw)
To: gdb
I have an embedded target running gdb stub on an openrisc processor
(www.opencores.org). The application is running from ROM, so I cannot
set soft breakpoints. I worked the gdb stub so it will ERR Z0 packets,
and use Z[123] packets. This works perfectly well with hbreak. break
will attempt to set a soft breakpoint and fail. So do "next" and
"finish" when they try to set a breakpoint.
Is there any way around that? Can I have gdb totally avoid soft breakpoints?
Heiko
^ permalink raw reply [flat|nested] 2+ messages in thread
* RE: gdb-5.3: how to avoid soft breakpoints?
2004-02-06 15:26 gdb-5.3: how to avoid soft breakpoints? Heiko Panther
@ 2004-02-06 15:38 ` Jon Beniston
0 siblings, 0 replies; 2+ messages in thread
From: Jon Beniston @ 2004-02-06 15:38 UTC (permalink / raw)
To: 'Heiko Panther', gdb
>
> I have an embedded target running gdb stub on an openrisc processor
> (www.opencores.org). The application is running from ROM, so I cannot
> set soft breakpoints. I worked the gdb stub so it will ERR Z0
> packets,
> and use Z[123] packets. This works perfectly well with hbreak. break
> will attempt to set a soft breakpoint and fail. So do "next" and
> "finish" when they try to set a breakpoint.
>
> Is there any way around that? Can I have gdb totally avoid
> soft breakpoints?
I recently posted a patch that tries to use h/w breakpoints when s/w
breakpoints fail. It worked for me in pretty much the same situation as
you seem to be in, but I didn't get any feedback on it. See:
http://sources.redhat.com/ml/gdb-patches/2004-01/msg00343.html
Cheers,
JonB
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