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From: Vlad Lungu <vlad@comsys.ro>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] [MIPS] Introduce machine_restart
Date: Wed, 19 Mar 2008 12:47:08 +0200	[thread overview]
Message-ID: <47E0EF2C.2050909@comsys.ro> (raw)
In-Reply-To: <20080318192432.1039624349@gemini.denx.de>

Wolfgang Denk wrote:
> In message <004701c88928$4f457bb0$edd07310$@Tjernlund@transmode.se>
> Joakim Tjernlund wrote:
>   
>> I don't think it is good to use global fun ptrs. These are not
>> available until
>> relocated to RAM.
>>     
>
> Agreed!
>
> In message <20080318184338.GA8728@game.jcrosoft.org>
> Jean-Christophe Plagniol-Villar wrote:
>   
>> If possible I will prefer a weak function
>>     
>
> ...which raises the interesting question if, and how, weak function
> pointers work before relocation.
>
> Has anyone ever tested / analyzed this?
>
>   

Weak symbols are a compile-time thing, not a run-time thing. The linker 
discards weak symbols
if a "regular" symbol with the same name is found, that's all. So it's 
actually link-time, rather than compile-time :-).

Vlad

  parent reply	other threads:[~2008-03-19 10:47 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-18 17:55 [U-Boot-Users] [MIPS] Introduce machine_restart Shinya Kuribayashi
2008-03-18 18:43 ` Jean-Christophe PLAGNIOL-VILLARD
2008-03-18 19:24   ` Wolfgang Denk
2008-03-18 19:37     ` Shinya Kuribayashi
2008-03-25  5:26       ` Shinya Kuribayashi
2008-03-18 22:23     ` Joakim Tjernlund
2008-03-19 10:47     ` Vlad Lungu [this message]
2008-03-18 18:45 ` Joakim Tjernlund

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