[Crash-utility] Patching more pseudo section symbols from layouts

[Toshikazu Nakayama]

(2011/12/16 5:17), Dave Anderson wrote:
> 
> 
> ----- Original Message -----
>>
>>
>> ----- Original Message -----
>>>
>>> Come to think of it, this is not important for analysis very much
>>> as against making possible destructive impacts at the same time.
>>> So I decide to cancel this patch set at here.
>>
>> OK good -- that patch was way too complex for just being able display
>> those additional section addresses.  Plus, for example, it resulted in
>> this when run on RHEL5:
> 
>> ... [ cut ] ...
> 
>> But I will keep your first module-section-address-display patch
>> queued for crash-6.0.2.
> 
> Hello Toshi,
> 
> Actually, after using this patch a bit, I've found that sometimes
> it can be more confusing than helpful, especially with kernel modules
> that only have a small number of symbols.  Plus it does things like
> this, which is not particularly helpful:

Hello Dave,

At first, thanks for your proper arrangement.

I could not care this broken impact of the symbol search outputs,
it looked just making cumberers.

I'm going to use "mod -gs" when I need to load section pseudo symbols.

Thanks a lot,
Toshi.

>   crash>  sym -q odata
>   ffffffff8007f2a4 (t) .text.mark_rodata_ro
>   ffffffff8007f2a4 (T) mark_rodata_ro
>   ffffffff80274000 (r) .rodata
>   ffffffff80274000 (R) __start_rodata
>   ffffffff802ecbac (A) __end_rodata
>   ffffffff88004f20 (S) _MODULE_SECTION_START [.rodata] [ehci_hcd]
>   ffffffff88005140 (S) _MODULE_SECTION_END [.rodata] [ehci_hcd]
>   ffffffff88014ee0 (S) _MODULE_SECTION_START [.rodata] [ohci_hcd]
>   ffffffff88015100 (S) _MODULE_SECTION_END [.rodata] [ohci_hcd]
>   ffffffff88024160 (S) _MODULE_SECTION_START [.rodata] [uhci_hcd]
>   ffffffff880243e0 (S) _MODULE_SECTION_END [.rodata] [uhci_hcd]
>   ffffffff880382c0 (S) _MODULE_SECTION_START [.rodata] [jbd]
>   ffffffff8803885e (S) _MODULE_SECTION_END [.rodata] [jbd]
>   ffffffff8805c920 (S) _MODULE_SECTION_START [.rodata] [ext3]
>   ffffffff8805da02 (S) _MODULE_SECTION_END [.rodata] [ext3]
>   ffffffff8807fe20 (S) _MODULE_SECTION_START [.rodata] [scsi_mod]
>   ...
> 
> But presumably you had your reasons for implementing it, so I'll
> keep your patch in place -- but only as an option to the "mod" command.
> 
> So in order to have module symbol lists intermingled with section
> start/end address pseudo-symbols, I've added a "mod -g" flag that
> can be used in conjunction with "-s" or "-S".  Hopefully that works
> OK for you.
> 
> Thanks,
>    Dave
>