[gprof] disjoint histograms

[Daniel Jacobowitz]

On Mon, Feb 12, 2007 at 10:49:23AM +0300, Vladimir Prus wrote:
> The attached patch makes gprof support histogram records
> will different memory ranges, provided those memory ranges
> never overlap. This is done by adding new structure, 'struct histogram'
> adding a linked list of such structures and modifying gprof to use this
> linked list.

Did anyone have comments on this patch, or objections?  Otherwise,
I'll review it myself in a few days.

-- 
Daniel Jacobowitz
CodeSourcery