零基础入门：Linux下Assembly语言编程指南
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收藏 30.66MB PDF 举报 《Linux汇编语言编程指南》是一本面向初学者的Linux编程入门书籍，作者是Sivarama P. Dandamudi，他来自加拿大Carleton大学的计算机科学学院。这本书的独特之处在于它无需读者具备任何计算机语言基础或Linux编程经验，即使是Linux新手也能轻松理解和上手。作者以通俗易懂的方式讲解了Assembly语言在Linux环境中的应用，旨在帮助读者建立起从零开始学习Linux编程的基础。
书中涵盖了以下核心知识点：
1. **Linux系统基础**：首先，读者将被引导理解Linux操作系统的概念，包括文件系统、进程管理、内存管理等基础知识，这对于后续的汇编语言编程至关重要。
2. **Assembly语言基础**：从最基本的指令集开始，如数据类型、运算符、控制结构等，逐步介绍Assembly语言的语法和逻辑。读者会了解到如何使用Assembly语言与底层硬件进行直接交互。
3. **汇编语言编程入门**：通过实际项目演示，如编写简单的系统调用、处理中断、实现循环和条件判断等，让读者掌握基本的程序设计技巧。
4. **Linux汇编接口**：学习如何利用Linux提供的系统调用接口，以及如何与C库和其他系统工具配合，以提高编程效率。
5. **性能优化与调试**：书中还会涉及汇编语言性能优化的方法，以及如何使用调试工具来跟踪和解决问题。
6. **版权与使用许可**：最后，关于版权的法律注意事项被明确指出，强调了在使用电子资源时的合法合规性，确保遵循Springer Science+Business Media的出版规定。
《Linux汇编语言编程指南》不仅适合那些想要深入了解操作系统底层机制的程序员，也适合对计算机科学感兴趣的爱好者，无论他们之前是否有编程经验。这是一本循序渐进、实用性强的教程，有助于读者快速进入Linux汇编编程的世界。
1
Assembly Language
The
main objective
of
this chapter is to give
you
a
brief
introduction
to
the
assembly
language.
To
achieve this
goal,
we
compare and contrast the
assembly
language
with
high-level languages
you
are familiar
with.
This
comparison enables
us to
take a
look
at the pros and cons
of
the
assembly
language vis-a-vis high-level
languages.
Introduction
A user's view of a computer system depends on the degree of abstraction provided by the under-
lying software. Figure 1.1 shows a hierarchy of levels at which one can interact with a computer
system. Moving to the top of the hierarchy shields the user from the lower-level details. At the
highest level, the user interaction is limited to the interface provided by application software such
as spreadsheet, word processor, and so on. The user is expected to have only a rudimentary knowl-
edge of how the system operates. Problem solving at this level, for example, involves composing
a letter using the word processor software.
At the next level, problem solving is done in one of the
high-level languages
such as C and
Java. A user interacting with the system at this level should have detailed knowledge of software
development. Typically, these users are application
programmers.
Level
4
users
are
knowledgeable
about the application and the high-level language that they would use to write the application
software. They may not, however, know internal details of the system unless they also happen to
be involved in developing system software such as device drivers, assemblers, linkers, and so on.
Both levels 4 and 5 are
system
independent,
that is, independent of
a
particular processor used
in the system. For example, an application program written in C can be executed on a system with
an Intel processor or a PowerPC processor without modifying the source code. All we have to
do is recompile the program with a C compiler native to the target system. In contrast, software
development done at all levels below level 4 is
system
dependent.
Assembly language programming is referred to as
low-level programming
because each as-
sembly language instruction performs a much lower-level task compared to an instruction in a
high-level language. As a consequence, to perform the same task, assembly language code tends
to be much larger than the equivalent high-level language code.
Assembly language instructions are native to the processor used in the system. For example,
a program written in the Intel assembly language cannot be executed on the PowerPC processor.
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