32-bit Thumb-2 breakpoints

[Daniel Jacobowitz]

On Tue, Jan 12, 2010 at 12:17:28AM +0000, Jamie Lokier wrote:
> And therefore, would it be possible to modify the CPSR when
> single-stepping to change the IT state so that the instruction
> following the next one, i.e. the breakpoint, is unconditional?
> So you only need one breakpoint after all.

Yes, I thought about doing this.  However, the many combinations of
ways you'd have to restore the modified CPSR gave me a fright.  I
don't think it's a robust solution.  It's just different enough from
out-of-line stepping to be unable to share the code.

-- 
Daniel Jacobowitz
CodeSourcery