Consider a RISC-V assembly function func1. func1 has three passing arguments stored in registers a0, a1 and a2, uses temporary registers t0-t3 and saved registers s4–s10. func1 needs to call func2 and other functions may call func1 func2 has two passing arguments stored in registers a0 and a1, respectively. In func1, after the program returns to func1 from func2, the code needs the original values stored in registers t1 and a0 before it calls func2.How many words are the stack frames of function func1?Indicate which registers are stored on the stack of func1?pseudo-instructions are not allowed except “j target_label” and “jr ra”.

In RISC-V assembly programming, understanding the structure and size of stack frames is crucial for…

Answered: Consider a RISC-V assembly function…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Consider a RISC-V assembly function func1. func1 has three passing arguments stored in registers a0, a1 and a2, uses temporary registers t0-t3 and saved registers s4–s10. func1 needs to call func2 and other functions may call func1 func2 has two passing arguments stored in registers a0 and a1, respectively. In func1, after the program returns to func1 from func2, the code needs the original values stored in registers t1 and a0 before it calls func2.

How many words are the stack frames of function func1?
Indicate which registers are stored on the stack of func1?

pseudo-instructions are not allowed except “j target_label” and “jr ra”.

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