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rm (Register Mask)

The rm command modifies or displays the register display mask. This mask controls how registers are displayed by the r (Registers) command.

rm 
rm ? 
rm Mask 

Parameters

?

Displays a list of possible Mask bits.

Mask

Specifies the mask to use when the debugger displays the registers. Mask is a sum of bits that indicate something about the register display. The meaning of the bits depends on the processor and the mode. For more information; see the tables in the following Remarks section.

Environment

Modes

User mode, kernel mode

Targets

Live, crash dump

Platforms

All

 

Remarks

The "m" in the command name must be a lowercase letter.

If you use rm with no parameters, the current value is displayed, along with an explanation about its bits.

To display the basic integer registers, you must set bit 0 (0x1) or bit 1 (0x2). By default, 0x1 is set for 32-bit targets and 0x2 is set for 64-bit targets. You cannot set these two bits at the same time--if you try to set both bits, 0x2 overrides 0x1.

You can override the default mask by using the r (Registers) command together with the M option.

The following Mask bits are supported for an x86-based processor or an x64-based processor.

BitValueDescription

0
1

0x1
0x2

Displays the basic integer registers. (Setting one or both of these bits has the same effect.)

2

0x4

Displays the floating-point registers.

3

0x8

Displays the segment registers.

4

0x10

Displays the MMX registers.

5

0x20

Displays the debug registers. In kernel mode, setting this bit also displays the CR4 register.

6

0x40

Displays the SSE XMM registers.

7

0x80

(Kernel mode only) Displays the CR0, CR1, and CR3 registers.

8

0x100

(Kernel mode only) Displays the descriptor and task state registers.

 

The following Mask bits are supported for an Itanium-based processor.

BitValueDescription

0
1

0x1
0x2

Displays the basic integer registers. (Setting one or both of these bits has the same effect.)

2

0x4

Displays the floating-point registers.

3

0x8

Displays the high, floating-point registers (f32 to f127).

4

0x10

Displays the user debug registers.

5

0x20

(Kernel mode only) Displays the KSPECIAL_REGISTERS.

 

 

 

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