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Re: [discuss] Support for reverse-execution
- From: Daniel Jacobowitz <drow at false dot org>
- To: Dan Shearer <dan at shearer dot org>
- Cc: gdb at sources dot redhat dot com
- Date: Fri, 20 May 2005 14:15:15 -0400
- Subject: Re: [discuss] Support for reverse-execution
- References: <20050516174649.GM19642@erizo.shearer.org>
On Tue, May 17, 2005 at 03:16:49AM +0930, Dan Shearer wrote:
> Around 1999 Cygnus' GPL SID simulator could execute backwards.
> Development on reversibility didn't continue so I'm told because it was
> seen as "party tricks". Besides SID had flexible hardware watchpoints
> like "stop the CPU when an ethernet interrupt is fired" which reduced
> the need to search for a particular point in execution for SID's
> intended users.
Does anyone else know the history of this - was any of this code in the
version of sid in the src repository? Is any of it still there?
--
Daniel Jacobowitz
CodeSourcery, LLC