[PATCH] Add stack unwind support for the functions in .ko
Warner Losh
imp at bsdimp.com
Mon Dec 16 00:27:41 UTC 2013
On Dec 15, 2013, at 4:56 PM, Howard Su wrote:
> On Monday, December 16, 2013, Andrew Turner wrote:
>
>> On Mon, 9 Dec 2013 22:44:14 +0800
>> Howard Su <howard0su at gmail.com <javascript:;>> wrote:
>>
>>> Here is a new version which solve the unreadable $a problem. (the fix
>>> is in ddb/db_main.c in the end of the patch.)
>>>
>>> I attached the diff for review.
>>
>> I can't comment on the MD parts of the code, but the ARM change looks
>> good. My only request is to add a kernel option to turn on printing the
>> registers in the stack trace as it has been useful for tracking down
>> bugs.
>>
> I read the MD code of MIPS. seems it faces the same situation like arm
> (register pass parameter). I will follow its pattern to print out register.
> better than an option?
I thought MIPS printed the args from those registers as args and ARM was the odd man out...
Warner
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