linux-kernel - Re: [PATCH] kbuild: add sys_* entries for syscalls in tags

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Message-ID: <20090125111856.GA3268@x200.localdomain>
Date:	Sun, 25 Jan 2009 14:18:56 +0300
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	Rabin Vincent <rabin@....in>
Cc:	Sam Ravnborg <sam@...nborg.org>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] kbuild: add sys_* entries for syscalls in tags

On Sun, Jan 25, 2009 at 03:35:54PM +0530, Rabin Vincent wrote:
> Currently, it is no longer possible to use the tags file to jump to
> system call function definitions with sys_foo because the definitions
> are obscured by the use of the SYSCALL_DEFINE* macros.
> 
> This patch adds the appropriate option to ctags to make it see through
> the macro.
> 
> Signed-off-by: Rabin Vincent <rabin@....in>
> ---
>  scripts/tags.sh |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
> 
> diff --git a/scripts/tags.sh b/scripts/tags.sh
> index fdbe78b..0d58f48 100755
> --- a/scripts/tags.sh
> +++ b/scripts/tags.sh
> @@ -99,7 +99,8 @@ exuberant()
>  	-I ____cacheline_internodealigned_in_smp                \
>  	-I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL                      \
>  	--extra=+f --c-kinds=+px                                \
> -	--regex-asm='/^ENTRY\(([^)]*)\).*/\1/'
> +	--regex-asm='/^ENTRY\(([^)]*)\).*/\1/'                  \
> +	--regex-c='/^SYSCALL_DEFINE[[:digit:]]?\(([^,)]*).*/sys_\1/'

You should patch emacs() as well.
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