linux-kernel - Re: Kernel config option missing: 'Compile the kernel with frame pointers'

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Date:	Wed, 6 Oct 2010 20:08:30 -0700 (PDT)
From:	"Randy Dunlap" <rdunlap@...otime.net>
To:	"Elvis Dowson" <elvis.dowson@....com>
Cc:	"Randy Dunlap" <rdunlap@...otime.net>,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>
Subject: Re: Kernel config option missing: 'Compile the kernel with frame 
     pointers'


On Wed, October 6, 2010 2:00 pm, Elvis Dowson wrote:
> Hi Randy,
>
>
> On Oct 7, 2010, at 12:53 AM, Randy Dunlap wrote:
>
>>
>> It sounds like you don't have DEBUG_KERNEL symbol set.
>> You can't see the FRAME_POINTER kconfig symbol unless
>> DEBUG_KERNEL is set/enabled and you are on a qualifying
>> architecture:
>>
>>
>> config FRAME_POINTER bool "Compile the kernel with frame pointers"
>> depends on DEBUG_KERNEL && \ (CRIS || M68K || M68KNOMMU || FRV || UML ||
>> \
>> AVR32 || SUPERH || BLACKFIN || MN10300) || \
>> ARCH_WANT_FRAME_POINTERS
>> default y if (DEBUG_INFO && UML) || ARCH_WANT_FRAME_POINTERS
>>
>>
>> The prompt for DEBUG_KERNEL is "Kernel debugging".
>> It is in the "Kernel hacking" menu.
>>
>
> I have CONFIG_DEBUG_KERNEL=y set. I'm compiling for the ARM architecture
> (TI OMAP 3503). So I guess it doesn't apply for ARM?

That's correct AFAICT.
ARM does not set (select) ARCH_WANT_FRAME_POINTERS.


> I want to debug the kernel using Eclipse IDE and kgdb.



-- 
~Randy

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