Questions about windbg command scripts...

WINDBG
1

Hi,

I’m trying to convert some of my custom extension commands to windbg
command scripts, and have some questions about the command scripts

  1. Is there an equivalent of sizeof() to get the structure sizes?
    Since the structures differ in various versions (newer versions append
    members to the existing structures), I don’t want to use
    RTL_SIZEOF_THROUGH_FIELD.

  2. Is there any way I can pass arguments to the windbg command scripts
    other than by setting some pseudo-registers? More specifically,

Thanks,

  • Hrishikesh.
2

  1. sizeof is supported. ?? sizeof(mod!type) should display the info you
    want. You can use it in a MASM expression with @@(sizeof(mod!type)).

  2. $$>a< will pass arguments to a script in aliases $arg1 on up.
    Arguments are quoted or space-delimited chunks of text. Arguments push
    and pop properly in nested invocations.

-----Original Message-----
From: xxxxx@lists.osr.com
[mailto:xxxxx@lists.osr.com] On Behalf Of Hrishikesh
Vidwans
Sent: Friday, September 08, 2006 9:42 PM
To: Kernel Debugging Interest List
Subject: [windbg] Questions about windbg command scripts…

Hi,

I’m trying to convert some of my custom extension commands to windbg
command scripts, and have some questions about the command scripts

  1. Is there an equivalent of sizeof() to get the structure sizes?
    Since the structures differ in various versions (newer versions append
    members to the existing structures), I don’t want to use
    RTL_SIZEOF_THROUGH_FIELD.

  2. Is there any way I can pass arguments to the windbg command scripts
    other than by setting some pseudo-registers? More specifically,

Thanks,

  • Hrishikesh.

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3

Thanks Drew.

On 9/9/06, Drew Bliss wrote:
> 1. sizeof is supported. ?? sizeof(mod!type) should display the info you
> want. You can use it in a MASM expression with @@(sizeof(mod!type)).
>
> 2. $$>a< will pass arguments to a script in aliases $arg1 on up.
> Arguments are quoted or space-delimited chunks of text. Arguments push
> and pop properly in nested invocations.
>
> -----Original Message-----
> From: xxxxx@lists.osr.com
> [mailto:xxxxx@lists.osr.com] On Behalf Of Hrishikesh
> Vidwans
> Sent: Friday, September 08, 2006 9:42 PM
> To: Kernel Debugging Interest List
> Subject: [windbg] Questions about windbg command scripts…
>
> Hi,
>
> I’m trying to convert some of my custom extension commands to windbg
> command scripts, and have some questions about the command scripts
>
> 1. Is there an equivalent of sizeof() to get the structure sizes?
> Since the structures differ in various versions (newer versions append
> members to the existing structures), I don’t want to use
> RTL_SIZEOF_THROUGH_FIELD.
>
> 2. Is there any way I can pass arguments to the windbg command scripts
> other than by setting some pseudo-registers? More specifically,
>
> Thanks,
> - Hrishikesh.
>
> —
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