From: Arnd Bergmann <arnd@arndb.de>
To: yalin wang <yalin.wang2010@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>,
Russell King - ARM Linux <linux@arm.linux.org.uk>,
Ard Biesheuvel <ard.biesheuvel@linaro.org>,
Will Deacon <will.deacon@arm.com>,
Nicolas Pitre <nico@linaro.org>,
Kees Cook <keescook@chromium.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Victor Kamensky <victor.kamensky@linaro.org>,
Mark Salter <msalter@redhat.com>,
vladimir.murzin@arm.com, ggdavisiv@gmail.com,
paul.gortmaker@windriver.com, mingo@kernel.org,
rusty@rustcorp.com.au, mcgrof@suse.com,
akpm@linux-foundation.org, kirill.shutemov@linux.intel.com,
n-horiguchi@ah.jp.nec.com, aarcange@redhat.com, mhocko@suse.com,
jack@suse.cz, iamjoonsoo.kim@lge.com, xiexiuqi@huawei.com,
vbabka@suse.cz, Vineet.Gupta1@synopsys.com,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
linux-mm@kvack.org
Subject: Re: [RFC] arm: add __initbss section attribute
Date: Tue, 13 Oct 2015 13:28:18 +0200 [thread overview]
Message-ID: <5171473.bOz59Zi81c@wuerfel> (raw)
In-Reply-To: <8004E8C3-F1EC-45C3-A995-88726B257563@gmail.com>
On Tuesday 13 October 2015 17:51:32 yalin wang wrote:
> > 32 __earlycon_table_sentinel
> > 200 __earlycon_of_table_sentinel
> > 6 __irf_end
> >
> >
> > 26398 total
> i am curious about your scripts ,
> could you show me ?
I was using some ad-hoc command line tricks, including
objcopy -j .init.data build/multi_v7_defconfig/vmlinux /tmp/initdata
nm initdata | sort -n | { read start b sym ; while read a b c ; do objdump -Dr --start-address=0x$start --stop-address=0x$a initdata > initdata.d/$sym ; start=$a ; sym=$c ; done }
(some manual sorting to delete the files that have pre-initialized symbols)
sum=0 ; nm /tmp/initdata | sort -n | { read start b sym ; while read a b c ; do test -e ../$sym && { echo $[0x$a - 0x$start]\ $sym ; sum=$[$sum + $[0x$a - 0x$start]] ; } ; start=$a ; sym=$c ; done ; echo $sum;}
I'm sure there are better ways to do this, and the manual step I used at
first was faulty.
Arnd
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prev parent reply other threads:[~2015-10-13 11:28 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-12 3:59 [RFC] arm: add __initbss section attribute yalin wang
2015-10-12 8:22 ` Ard Biesheuvel
2015-10-12 8:46 ` yalin wang
2015-10-12 10:21 ` Arnd Bergmann
2015-10-12 20:04 ` Sam Ravnborg
2015-10-13 7:33 ` yalin wang
2015-10-13 9:40 ` Arnd Bergmann
2015-10-13 9:51 ` yalin wang
2015-10-13 11:28 ` Arnd Bergmann [this message]
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