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Date: Thu, 25 Oct 2007 13:54:25 -0700
From: "H. Peter Anvin" <hpa@zytor.com>
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To: Adrian Bunk <bunk@kernel.org>
CC: Mike Frysinger <vapier.adi@gmail.com>, Jie Zhang <jzhang.linux@gmail.com>,
       bryan.wu@analog.com, linux-kernel@vger.kernel.org
Subject: Re: [2.6 patch] blackfin: "extern inline" -> "static inline"
References: <40401db90710241947i15e40e78v292e52f5229d9d35@mail.gmail.com> <8bd0f97a0710242000h7b6c97e7ia3f461c69b7d5de5@mail.gmail.com> <47200826.1060801@zytor.com> <20071025150545.GK30533@stusta.de> <8bd0f97a0710250916v5d3f0166qbfacf4abb0fc3d45@mail.gmail.com> <20071025165344.GL30533@stusta.de> <8bd0f97a0710251307m9f45f4dmf6d8cfa93af9fdf5@mail.gmail.com> <20071025201842.GT30533@stusta.de> <8bd0f97a0710251320m3490c53dpe85656a939e8536e@mail.gmail.com> <4720FC54.1020705@zytor.com> <20071025204748.GW30533@stusta.de>
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Adrian Bunk wrote:
> On Thu, Oct 25, 2007 at 01:28:04PM -0700, H. Peter Anvin wrote:
>> Mike Frysinger wrote:
>>>> Do you have any example for your claim "to get gcc to not inline things
>>>> when building debug versions"?
>>> $ cat test.c
>>> __attribute__((always_inline)) int foo(void) { return 0; }
>>> int main(void){ return foo(); }
>>> $ gcc -g test.c -o test
>>> $ readelf -s test | grep FUNC | grep -v _
>>>     61: 00000000004004b8    11 FUNC    GLOBAL DEFAULT   13 foo
>>>     68: 00000000004004c3    11 FUNC    GLOBAL DEFAULT   13 main
>>> looks pretty straightforward to me
>>> -mike
>> For "debug version" meaning -O0, this is true.
> 
> No, "inline __attribute__((always_inline))" works with -O0.
> 
> He gets a function emitted since his "foo" is not static.
> 

Oh, right.

	-hpa