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21.37 FRAME STATE REMEMBER

The FRAME STATE REMEMBER directive saves the current information on how to calculate the canonical frame address and locations of saved register values.

Syntax

FRAME STATE REMEMBER

Usage

During an inline exit sequence the information about calculation of canonical frame address and locations of saved register values can change. After the exit sequence another branch can continue using the same information as before. Use FRAME STATE REMEMBER to preserve this information, and FRAME STATE RESTORE to restore it.

These directives can be nested. Each FRAME STATE RESTORE directive must have a corresponding FRAME STATE REMEMBER directive.

You can only use FRAME STATE REMEMBER within functions with FUNCTION and ENDFUNC or PROC and ENDP directives.

Example

        ; function code        FRAME STATE REMEMBER            ; save frame state before in-line exit sequence        POP     {r4-r6,pc}            ; do not have to FRAME POP here, as control has            ; transferred out of the function        FRAME STATE RESTORE            ; end of exit sequence, so restore stateexitB   ; code for exitB        POP     {r4-r6,pc}        ENDP
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