[ECOS] gdb vs. eCos?

Zubin Burjor Sethna sethnaz@sg.adisys.com.au
Sun Feb 21 17:55:00 GMT 1999


> -----Original Message-----
> From:	Jesper Skov [SMTP:jskov@cygnus.co.uk]
> Sent:	Wednesday, February 17, 1999 6:22 PM
> To:	Stan Shebs
> Cc:	kerry@cae-plus.com; ecos-discuss@cygnus.com
> Subject:	Re: [ECOS] gdb vs. eCos?
> 
> 
> Also, using a simulator for debugging the interrupt handlers can be a
> great help since it doesn't trash so much state as the gdb stub does
> (that is, debugging in a SIM is truly transparent for the program
> being run -- at least I haven't had any problems).
> 
> I've stepped my way through the PowerPC interrupt handler more than
> once using GDB (although I prefer the SIM way -- it's faster).
> 
> Jesper
> 
> 
	[Zubin Burjor Sethna]  Is it possible to resume normal execution
after GDB has stopped at a breakpoint in an interrupt handler, on the actual
target (not the simulator)? I've read that you cannot execute the RFI
(Return From Interrupt) after breaking in an interrupt handler.

	Zubin



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