On Jan 12, 2009, at 4:59 PM, searockcliff wrote:
I think you are misleading.
You only need to specify the module address when you use "createsymbolfiles " to create symbol file.
It looks like you didn't do this when generating the symbols for one of the USB family modules. It's possible that you fed the kext file rather than the symbol file to gdb.
= Mike
在2009-01-12，"William Kucharski" <email@hidden> 写道：
>
>On Jan 12, 2009, at 8:32 AM, searockcliff wrote:
>
>> But why the address of the symbol IOUSBBus::IOUSBBus is 0?
>> Address 0 seems unaccessible to the CPU.
>
>Anything from a bug to improper address resolution.
>
>Remember also that when debugging modules using GDB you have to specify
>an address at which the module was loaded using kextload.
>
> William Kucharski
>
>
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