Re: [RFC-v5] Add windows OS Thread Information Block

[Pedro Alves <pedro@codesourcery.com>]

On Thursday 01 April 2010 13:56:50, Pierre Muller wrote:
> >   Does the new packet return the TIB, or the TLB?
>   The thread local base is the address of
> the Thread Information Block which itself 
> is a block of memory (usually of size 0x1000)
> containing thread specific information.

Okay, thanks, that makes the terminology clearer.

> >   The object is $_tlb now, isn't it?
>   This object is a pointer in debuggee memory
> to the Thread Information Block. 

If the TLB is a pointer to the TIB, then if "ptype $_tlb" shows
something not a pointer, something isn't right, wouldn't
you say?  Isn't "ptype $_tlb"/"p $_tib" printing the _TIB_
instead?  This is where things are still confusing.

> +@item $_tlb
> +@vindex $_tlb@r{, convenience variable}
> +The variable @code{$_tlb} is automatically set for Windows OS running
> +applications in native mode or connected to a gdbserver that supports
> +@code{qGetTIBAddr} requests. This variable contains the address of the
> thread
> +information block.

Does the variable really contain an address?

-- 
Pedro Alves