Re: [PATCH 01/12] regcache: Add functions suitable for regset_supply/collect.

[Yao Qi <yao@codesourcery.com>]

On 05/27/2014 07:53 PM, Andreas Arnez wrote:
> Correct.  Maybe it's better to rephrase the whole comment like this:
> 

Yes, that is much better.

> /* Mapping between register numbers and offsets in a buffer, for use
>    in the '*regset' functions below.  In an array of
>    'regcache_map_entry' each element is interpreted like follows:
> 
>    - If 'regno' is a register number: Map register 'regno' to the
>      current offset (starting with 0) and increase the current offset
>      by the register's size.  Repeat this with consecutive register
>      numbers up to 'regno+count-1'.
> 
>    - If 'regno' has the special value REGCACHE_MAP_SKIP_BYTES: Add
>      'count' to the current offset.

Nit: I'd say "If 'regno' is REGCACHE_MAP_SKIP_BYTES, 'count' is the
increased offset".  This is just my suggestion, which may be worse
than yours.

> 
>    - If count=0: End of the map.  */
> 
>> >
>>> >> +/* Transfer a set of registers (as described by REGSET) between
>>> >> +   REGCACHE and BUF.  If REGNUM == -1, transfer all registers
>>> >> +   belonging to the regset, otherwise just the register numbered
>>> >> +   REGNUM.  The REGSET's 'descr' field must point to an array of
>>> >> +   'struct regcache_map_entry'.
>> >
>> > IWBN to update the comments to 'descr' field, and go a step further,
>> > rename field 'descr'.
> With the new name being something like 'map' or 'regmap', I guess?  If
> that's what you mean, I tend to agree, and I could provide a separate
> patch for that.
> 

'regmap' sounds good to me.  I don't have other comments.

-- 
Yao (齐尧)