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From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org
Subject: Re: [PATCH 2/5] openrisc: link to libgcc
Date: Mon, 25 Jun 2012 15:00:44 +0200	[thread overview]
Message-ID: <20120625130044.GG14321@pengutronix.de> (raw)
In-Reply-To: <1340628281-8774-3-git-send-email-s.hauer@pengutronix.de>

Hi Franck,

Do you think this patch is ok? It was the easiest way for me to get
__ashrdi3. I don't know how exactly you generated the other library
functions.

On Mon, Jun 25, 2012 at 02:44:38PM +0200, Sascha Hauer wrote:
> To get symbols like __ashrdi3.
> 
> Franck started generating these symbols from gcc assembly, which seems
> to be the cleaner approach. The simpler approach for now to get additional
> symbols is to link in libgcc, which is the same as the kernel does.
> 
> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
> Cc: Franck Jullien <franck.jullien@gmail.com>
> ---
>  arch/openrisc/Makefile |    4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/arch/openrisc/Makefile b/arch/openrisc/Makefile
> index fd8bbbf..1f4b175 100644
> --- a/arch/openrisc/Makefile
> +++ b/arch/openrisc/Makefile
> @@ -1,5 +1,7 @@
>  CPPFLAGS += -D__OR1K__ -ffixed-r10 -mhard-mul -mhard-div
>  
> +LIBGCC          := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
> +
>  board-$(CONFIG_GENERIC) := generic
>  
>  KALLSYMS += --symbol-prefix=_
> @@ -18,4 +20,6 @@ common-y += $(BOARD)
>  common-y += arch/openrisc/lib/
>  common-y += arch/openrisc/cpu/
>  
> +common-y          += $(LIBGCC)
> +
>  lds-y += arch/openrisc/cpu/barebox.lds
> -- 
> 1.7.10
> 
> 

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  reply	other threads:[~2012-06-25 13:00 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-25 12:44 [PATCH] provide ffs and __ashrdi3 for all architectures Sascha Hauer
2012-06-25 12:44 ` [PATCH 1/5] blackfin: add __ashrdi3 Sascha Hauer
2012-06-25 12:44 ` [PATCH 2/5] openrisc: link to libgcc Sascha Hauer
2012-06-25 13:00   ` Sascha Hauer [this message]
2012-06-25 12:44 ` [PATCH 3/5] mips: Add missing ffs include Sascha Hauer
2012-06-25 12:44 ` [PATCH 4/5] nios2: " Sascha Hauer
2012-06-25 12:44 ` [PATCH 5/5] x86: " Sascha Hauer
2012-09-05 20:37 ` [PATCH] [OpenRISC] Add __ashrdi3 and remove link to libgcc Franck Jullien
2012-09-06  6:55   ` Sascha Hauer
2012-09-06  7:28     ` Franck Jullien

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