What This Document Is
This document presents detailed instructional content for CPEG 323: Introduction to Computer Systems Engineering at the University of Delaware. Specifically, it delves into the crucial relationship between high-level programming languages and the underlying systems software that makes them function. It explores the translation process from human-readable code to executable programs, and the organization of data and instructions within a computer’s memory. This material is designed to build a foundational understanding of how software interacts with hardware.
Why This Document Matters
This resource is invaluable for students enrolled in CPEG 323 seeking a deeper understanding of computer system architecture. It’s particularly helpful when studying the practical implementation of programming concepts and the complexities of software execution. Students preparing for exams or working on assignments related to system software, compilers, and memory management will find this a useful study aid. It bridges the gap between theoretical programming knowledge and the realities of how computers operate internally.
Topics Covered
* Object File Formats (a.out, COFF, ECOFF, ELF)
* Process Memory Image organization
* Run-time Stack structure and function
* Virtual and Physical Memory concepts
* The role of the GP register and GP area
* Linking and Execution Views of ELF files
* ELF Header components and their significance
* Program Header Table and Section Header Table details
What This Document Provides
* A comprehensive overview of different object file formats used in software development.
* Detailed explanations of how compilers and assemblers create object and executable files.
* Illustrations of the internal structure of executable files and their components.
* Insights into how the operating system manages memory during program execution.
* A foundational understanding of the key elements involved in translating high-level code into machine-executable instructions.
