site_archiver@lists.apple.com Delivered-To: darwin-kernel@lists.apple.com 在2009-01-12，"William Kucharski" <kucharsk@mac.com> 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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