linux-kernel - Re: [PATCH] arch: use ASM_NL instead of ';' for assembler new line character in the macro

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Date:	Tue, 29 Oct 2013 12:34:30 +0400
From:	Max Filippov <jcmvbkbc@...il.com>
To:	Chen Gang <gang.chen@...anux.com>
Cc:	"vgupta@...opsys.com" <vgupta@...opsys.com>,
	James Hogan <james.hogan@...tec.com>,
	Al Viro <viro@...iv.linux.org.uk>,
	Arnd Bergmann <arnd@...db.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Linux-Arch <linux-arch@...r.kernel.org>
Subject: Re: [PATCH] arch: use ASM_NL instead of ';' for assembler new line
 character in the macro

On Tue, Oct 29, 2013 at 11:57 AM, Chen Gang <gang.chen@...anux.com> wrote:
> On 10/28/2013 07:18 PM, Max Filippov wrote:
>> Hi Chen,
>>
>> On Mon, Oct 28, 2013 at 2:30 PM, Chen Gang <gang.chen@...anux.com> wrote:
>>> > For some toolchains, they use another character as newline in a macro
>>> > (e.g. arc uses '`'), so for generic assembly code, need use ASM_NL (a
>>> > macro) instead of ';' for it.
>>> > Since "linux/export.h" are mainly used for exporting work, then our fix
>>> > more likely belongs to "linux/linkage.h", and we need add the related
>>> > checking in "linkage.h".
>>> >
>>> > Also need notice 80 columns wrap, and '\t' for each line.
>>> >
>>> >
>>> > Signed-off-by: Chen Gang <gang.chen@...anux.com>
>>> > ---
>>> >  arch/arc/include/asm/linkage.h    |    2 +
>>> >  include/asm-generic/vmlinux.lds.h |  350 +++++++++++++++++++------------------
>> Actually vmlinux.lds.h is not an assembly code, but rather a linker script,
>> later preprocessed by cpp.
>>
>
> Consult: do xtensa also has its own ASM_NL?

It works well with common semicolon.

-- 
Thanks.
-- Max
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