linux-kernel - Re: [2.6 patch] blackfin: "extern inline" -> "static inline"

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Message-ID: <4720FC54.1020705@zytor.com>
Date:	Thu, 25 Oct 2007 13:28:04 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Mike Frysinger <vapier.adi@...il.com>
CC:	Adrian Bunk <bunk@...nel.org>, Jie Zhang <jzhang.linux@...il.com>,
	bryan.wu@...log.com, linux-kernel@...r.kernel.org
Subject: Re: [2.6 patch] blackfin: "extern inline" -> "static inline"

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.

	-hpa
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