5.59 · exercise

Quiz: Subroutines - Advanced

Work through the procedure call standard: when a leaf routine can skip its frame, what 16-byte alignment actually demands, who prepares stack-passed arguments, and which registers survive a bl.

0 of 5 correct

Knowledge Check

A leaf subroutine does not call any other subroutines. Under what conditions can it avoid creating a stack frame?

Knowledge Check

Which statement about stack alignment in AArch64 is correct?

Knowledge Check

A procedure is called with ten integer arguments. After the first eight arguments have been placed in x0 through x7, who is responsible for providing the stack memory used for the additional arguments?

Knowledge Check

What are x16 and x17 used for in the AArch64 procedure call standard?

Knowledge Check

A calling function stores a value it still needs in x9, then executes bl. What must the calling function do?