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!wdfkd.wdffindobjects

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The !wdfkd.wdffindobjects extension searches memory for WDF objects.

!wdfkd.wdffindobjects [StartAddress [Flags]]

Parameters

StartAddress
Optional. Specifies the address at which the search must begin. If this is omitted, the search will begin from where the most recent !wdfkd.wdffindobjects search ended.

Flags
Optional. Specifies the kind of information to display. Flags can be any combination of the following bits. The default value is 0x0. Flags cannot be used unless StartAddress is specified.

Bit 0 (0x1)
Displays verbose output.

Bit 1 (0x2)
Displays internal type information for each handle.

DLL

Wdfkd.dll

Frameworks

KMDF 1, UMDF 2

Additional Information

For more information, see Kernel-Mode Driver Framework Debugging.

Remarks

The following examples show the output of the !wdfkd.wdffindobjects extension. The 0x1 flag is set in the second example.

1: kd> !wdffindobjects 0xfffffa600211b668 
  Address             Value               Object
  ------------------  ------------------  ------------------
  0xfffffa600211b668  0x0000000000000008  
  0xfffffa600211b670  0xfffffa8002e7b1f0  !WDFREQUEST 0x0000057ffd184e08
  0xfffffa600211b678  0x0000000000000004  
  0xfffffa600211b680  0x0000000000000001  
  0xfffffa600211b688  0xfffffa8006aa3640  !WDFUSBPIPE 0x0000057ff955c9b8
  0xfffffa600211b690  0x0000000000000000  
  0xfffffa600211b698  0xfffff80001e61f78  
  0xfffffa600211b6a0  0x0000000000000010  
  0xfffffa600211b6a8  0x0000000000010286  
  0xfffffa600211b6b0  0xfffffa600211b6c0  
  0xfffffa600211b6b8  0x0000000000000000  
  0xfffffa600211b6c0  0xfffffa8006aa3640  !WDFUSBPIPE 0x0000057ff955c9b8
  0xfffffa600211b6c8  0x0000057ffd184e08  !WDFREQUEST 0x0000057ffd184e08
  0xfffffa600211b6d0  0x0000000000000000  
  0xfffffa600211b6d8  0x0000057ffc51ea18  !WDFMEMORY 0x0000057ffc51ea18
  0xfffffa600211b6e0  0x0000000000000000  

1: kd> !wdffindobjects 0xfffffa600211b668 1 
  Address             Value               Type    Object
  ------------------  ------------------  ------  ------------------
  0xfffffa600211b668  0x0000000000000008  
  0xfffffa600211b670  0xfffffa8002e7b1f0  Object  !WDFREQUEST 0x0000057ffd184e08
  0xfffffa600211b678  0x0000000000000004  
  0xfffffa600211b680  0x0000000000000001  
  0xfffffa600211b688  0xfffffa8006aa3640  Object  !WDFUSBPIPE 0x0000057ff955c9b8
  0xfffffa600211b690  0x0000000000000000  
  0xfffffa600211b698  0xfffff80001e61f78  
  0xfffffa600211b6a0  0x0000000000000010  
  0xfffffa600211b6a8  0x0000000000010286  
  0xfffffa600211b6b0  0xfffffa600211b6c0  
  0xfffffa600211b6b8  0x0000000000000000  
  0xfffffa600211b6c0  0xfffffa8006aa3640  Object  !WDFUSBPIPE 0x0000057ff955c9b8
  0xfffffa600211b6c8  0x0000057ffd184e08  Handle  !WDFREQUEST 0x0000057ffd184e08
  0xfffffa600211b6d0  0x0000000000000000  
  0xfffffa600211b6d8  0x0000057ffc51ea18  Handle  !WDFMEMORY 0x0000057ffc51ea18
  0xfffffa600211b6e0  0x0000000000000000