Vol. 2A 3-285
INSTRUCTION SET REFERENCE, A-M
ENTER—Make Stack Frame for Procedure Parameters
Real-Address Mode Exceptions
#SS(0) If the new value of the SP or ESP register is outside the stack
segment limit.
#UD If the LOCK prefix is used.
Virtual-8086 Mode Exceptions
#SS(0) If the new value of the SP or ESP register is outside the stack
segment limit.
#PF(fault-code) If a page fault occurs or if a write using the final value of the
stack pointer (within the current stack segment) would cause a
page fault.
#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.
#PF(fault-code) If a page fault occurs or if a write using the final value of the
stack pointer (within the current stack segment) would cause a
page fault.
#UD If the LOCK prefix is used.