Intel 253666-024US User Manual

Page 585

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Vol. 2A 3-539

INSTRUCTION SET REFERENCE, A-M

LEAVE—High Level Procedure Exit

Flags Affected

None.

Protected Mode Exceptions

#SS(0)

If the EBP register points to a location that is not within the

limits of the current stack segment.

#PF(fault-code)

If a page fault occurs.

#AC(0)

If alignment checking is enabled and an unaligned memory

reference is made while the current privilege level is 3.

#UD

If the LOCK prefix is used.

Real-Address Mode Exceptions

#GP

If the EBP register points to a location outside of the effective

address space from 0 to FFFFH.

#UD

If the LOCK prefix is used.

Virtual-8086 Mode Exceptions

#GP(0)

If the EBP register points to a location outside of the effective

address space from 0 to FFFFH.

#PF(fault-code)

If a page fault occurs.

#AC(0)

If alignment checking is enabled and an unaligned memory

reference is made.

#UD

If the LOCK prefix is used.

Compatibility Mode Exceptions

Same exceptions as in protected mode.

64-Bit Mode Exceptions

#SS(0)

If the stack address is in a non-canonical form.

#AC(0)

If alignment checking is enabled and an unaligned memory

reference is made while the current privilege level is 3.

#UD

If the LOCK prefix is used.

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