FRAME SAVE

The FRAME SAVE directive describes the location of saved register contents relative to the canonical frame address. You can only use it within functions with FUNCTION and ENDFUNC or PROC and ENDP directives.

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FRAME SAVE {reglist}, offset

where:

reglist

is a list of registers stored consecutively starting at offset from the canonical frame address. There must be at least one register in the list.

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Use FRAME SAVE immediately after the callee stores registers onto the stack.

reglist can include registers which are not required for backtracing. The assembler determines which registers it requires to record in the DWARF call frame information.

Note

If your code uses a single instruction to save registers and alter the stack pointer, you can use FRAME PUSH instead of using both FRAME SAVE and FRAME ADDRESS.

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Reference:
Copyright © 2010-2011 ARM. All rights reserved.ARM DUI 0489C
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