windbg命令示例
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Device Tree 那的显示仅仅是个名字而已 ( 它们都是 _DEVICE_OBJECT ),我还是喜欢 Windbg 的原汁原味:
0: kd> !drvobj atapi
Driver object (89de2b60) is for:
\Driver\atapi
Driver Extension List: (id , addr)
(b9f1fcd8 89dea4f8)
Device Object list:
89da8940 89db8940 89dc5030 89daa030
89db9030
0: kd> !devstack 89db8940
!DevObj !DrvObj !DevExt ObjectName
89be33f0 \Driver\redbook 89be34a8
89be2030 \Driver\Cdrom 89be20e8 CdRom0
89be37b0 \Driver\Imapi 89be3868
89e59030 \Driver\ACPI 89dfd6a8 00000093
> 89db8940 \Driver\atapi 89db89f8 IdeDeviceP0T0L0-3
!DevNode 89e592e0 :
DeviceInst is ""
ServiceName is ""
0: kd> !devobj 89be2030
Device object (89be2030) is for:
CdRom0 \Driver\Cdrom DriverObject 89be5218
Current Irp 00000000 RefCount 2 Type 00000002 Flags 00002050
Vpb 89d6be90 DevExt 89be20e8 DevObjExt 89be2668 Dope 89ddf9c8
ExtensionFlags (0000000000)
AttachedDevice (Upper) 89be33f0 \Driver\redbook
AttachedTo (Lower) 89be37b0 \Driver\Imapi
Device queue is not busy.
0: kd> dt _VPB 89d6be90
ntdll!_VPB
+0x000 Type : 10
+0x002 Size : 88
+0x004 Flags : 1
+0x006 VolumeLabelLength : 0x18
+0x008 DeviceObject : 0x89afcda8 _DEVICE_OBJECT
+0x00c RealDevice : 0x89be2030 _DEVICE_OBJECT
+0x010 SerialNumber : 0x3b6761ae
+0x014 ReferenceCount : 3
+0x018 VolumeLabel : [32] 0x39
0: kd> !devobj 89afcda8
Device object (89afcda8) is for:
\FileSystem\Cdfs DriverObject 89a5a298
Current Irp 00000000 RefCount 0 Type 00000003 Flags 00000000
DevExt 89afce60 DevObjExt 89afcfd0
ExtensionFlags (0000000000)
AttachedDevice (Upper) 89a3e2a0 \FileSystem\Sfilter
Device queue is not busy.
0: kd> !devstack 89afcda8
!DevObj !DrvObj !DevExt ObjectName
89655c98 \Driver\SymEvent 89655d50
89a3e2a0 \FileSystem\Sfilter89a3e358
> 89afcda8 \FileSystem\Cdfs 89afce60
0: kd> !drvobj atapi
Driver object (89de2b60) is for:
\Driver\atapi
Driver Extension List: (id , addr)
(b9f1fcd8 89dea4f8)
Device Object list:
89da8940 89db8940 89dc5030 89daa030
89db9030
0: kd> !devstack 89db8940
!DevObj !DrvObj !DevExt ObjectName
89be33f0 \Driver\redbook 89be34a8
89be2030 \Driver\Cdrom 89be20e8 CdRom0
89be37b0 \Driver\Imapi 89be3868
89e59030 \Driver\ACPI 89dfd6a8 00000093
> 89db8940 \Driver\atapi 89db89f8 IdeDeviceP0T0L0-3
!DevNode 89e592e0 :
DeviceInst is ""
ServiceName is ""
0: kd> !devobj 89be2030
Device object (89be2030) is for:
CdRom0 \Driver\Cdrom DriverObject 89be5218
Current Irp 00000000 RefCount 2 Type 00000002 Flags 00002050
Vpb 89d6be90 DevExt 89be20e8 DevObjExt 89be2668 Dope 89ddf9c8
ExtensionFlags (0000000000)
AttachedDevice (Upper) 89be33f0 \Driver\redbook
AttachedTo (Lower) 89be37b0 \Driver\Imapi
Device queue is not busy.
0: kd> dt _VPB 89d6be90
ntdll!_VPB
+0x000 Type : 10
+0x002 Size : 88
+0x004 Flags : 1
+0x006 VolumeLabelLength : 0x18
+0x008 DeviceObject : 0x89afcda8 _DEVICE_OBJECT
+0x00c RealDevice : 0x89be2030 _DEVICE_OBJECT
+0x010 SerialNumber : 0x3b6761ae
+0x014 ReferenceCount : 3
+0x018 VolumeLabel : [32] 0x39
0: kd> !devobj 89afcda8
Device object (89afcda8) is for:
\FileSystem\Cdfs DriverObject 89a5a298
Current Irp 00000000 RefCount 0 Type 00000003 Flags 00000000
DevExt 89afce60 DevObjExt 89afcfd0
ExtensionFlags (0000000000)
AttachedDevice (Upper) 89a3e2a0 \FileSystem\Sfilter
Device queue is not busy.
0: kd> !devstack 89afcda8
!DevObj !DrvObj !DevExt ObjectName
89655c98 \Driver\SymEvent 89655d50
89a3e2a0 \FileSystem\Sfilter89a3e358
> 89afcda8 \FileSystem\Cdfs 89afce60
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