From: Brian Gerst <bgerst@didntduck.org>
To: Marty Leisner <mleisner@eng.mc.xerox.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: what's the purpose of SYMBOL_NAME()
Date: Thu, 14 Jun 2001 13:34:42 -0400 [thread overview]
Message-ID: <3B28F5B2.80458694@didntduck.org> (raw)
In-Reply-To: <200106141657.MAA09198@mailhost.eng.mc.xerox.com>
Marty Leisner wrote:
>
> I'm read Bovet's "Understand the Linux Kernel"
> and looked at the assembly routine setup_idt...
>
> I noticed the assembly has SYMBOL_NAME
> (its all over the place).
>
> This is define in include/linux/linkage.h
>
> to just:
> #define SYMBOL_NAME(X) X
>
> (this wasn't in Bovet's book).
>
> What's the purpose?
IIRC, it's a holdover from the days when the kernel could be compiled in
a.out and ELF format. a.out prepends an underscore to all symbols,
whereas ELF does not.
--
Brian Gerst
prev parent reply other threads:[~2001-06-14 17:36 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-06-14 16:57 what's the purpose of SYMBOL_NAME() Marty Leisner
2001-06-14 17:34 ` Brian Gerst [this message]
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