[gprof] disjoint histograms

[Nick Clifton]

Hi Daniel, Hi Vladimir

> 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.

The patch seems good to me.  Unless Daniel has any criticisms then I 
have no objections to approving it.

My one suggested addition would be that you could add an entry in the 
binutils/NEWS file mentioning this new feature of gprof.

Cheers
   Nick