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Date: Sat, 28 Dec 2013 09:05:00 -0000
From: Eli Zaretskii <eliz@gnu.org>
Subject: Re: [RFA/doco] Fix gdb.Field attributes documentation for enum types.
In-reply-to: <20131228033003.GD4532@adacore.com>
To: Joel Brobecker <brobecker@adacore.com>
Cc: gdb-patches@sourceware.org
Reply-to: Eli Zaretskii <eliz@gnu.org>
Message-id: <83vby92vo5.fsf@gnu.org>
References: <1387783386-6072-1-git-send-email-brobecker@adacore.com> <834n5z8rxl.fsf@gnu.org> <20131228033003.GD4532@adacore.com>
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> Date: Sat, 28 Dec 2013 07:30:03 +0400
> From: Joel Brobecker <brobecker@adacore.com>
> Cc: gdb-patches@sourceware.org
> 
> --- a/gdb/doc/gdb.texinfo
> +++ b/gdb/doc/gdb.texinfo
> @@ -24338,8 +24338,8 @@ Each field is a @code{gdb.Field} object, with some pre-defined attributes:
>  @table @code
>  @item bitpos
>  This attribute is not available for @code{enum} or @code{static}
> -(as in C@t{++} or Java) fields.  The value is the bit position of
> -the field.
> +(as in C@t{++} or Java) fields.  The value is the position, counting
> +in bits, from the start of the containing type.

Thanks, this is clear.

I'm curious: why are the bit units useful?  Field offsets are
generally counted in bytes, not bits.