ARM Compiler toolchain Assembler ReferenceVersion 5.0
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FRAME RETURN ADDRESS

The FRAME RETURN ADDRESS directive provides for functions that use a register other than LR for their return address. You can only use it within functions with FUNCTION and ENDFUNC or PROC and ENDP directives.

Note

Any function that uses a register other than LR for its return address is not AAPCS compliant. Such a function must not be exported.

Show/hideSyntax

FRAME RETURN ADDRESS reg

where:

reg

is the register used for the return address.

Show/hideUsage

Use the FRAME RETURN ADDRESS directive in any function that does not use LR for its return address. Otherwise, a debugger cannot backtrace through the function.

Use FRAME RETURN ADDRESS immediately after the FUNCTION or PROC directive that introduces the function.

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