也写作leg-work,u.the boring work that need to be done。Originally news reporter slang for an assignment that promised(这里不是“承诺”的意思,而是“很可能(to seem likely)”) more walking than copy. 3.evident p219, One thing about Perl that isn’t so evident from this example is that Pe...
1.object file p20, An object file is code that is in the machine's language, but has not been completely put together。 之前在很多地方都看到object file这个概念,但都没有看到起定义,这次终于搞清楚了——object文件就是包含机器语言的文件。 2.汇编语言实现求最大值 #PURPOSE: This program finds th...
《Programming from the Ground Up》学习第4天,p75-p87总结,总计13页。 一、技术总结 1.persistent data p75, Data which is stored in files is called persistent data, because it persists in files that remain on disk even when the program isn't running. 存储在文件中的数据称为persistent data,...
Programming from the Ground Up is an introduction to programming using assembly language on the Linux platform for x86 machines. It is a great book for novices who are just learning to program as well as for intermediates who have never learned or mastered assembly language programming. It covers...
《Programming from the Ground Up》学习第3天,p49-p74总结,总计26页。 一、技术总结 1.function (1)定义 p49, Functions are unit of code that do a defined piece of work on specified types of data。 函数是在指定类型的数据上完成所定义的某个工作的代码单元。 (2)parameter p49, The data items ...
《Programming from the Ground Up》学习第2天,p19-p48总结,总计30页。 一、技术总结 1.object file p20, An object file is code that is in the machine's language, but has not been completely put together。 之前在很多地方都看到object file这个概念,但都没有看到起定义,这次终于搞清楚了——object...
《Programming from the Ground Up》学习第10天,p181-p216总结,总计34页。 一、技术总结 第10章主要讲计算机是如何计算的,如十进制、二进制、八进制、十六进制以及浮点数和负数的表示。属于比较基础的内容,如果有一定基础,本章可跳过。 1.exponent & mantissa ...
《Programming from the Ground Up》学习第7天,p103-p116总结,总计14页。 一、技术总结 1.读写文件 (1)linux.s linux.s: #file name:linux.s # system call numbers(按数字大小排列,方便查看) .equ SYS_READ, 0 .equ SYS_WRITE, 1 .equ SYS_OPEN, 2 .equ SYS_CLOSE, 3 .equ SYS_EXIT, ...
《Programming from the Ground Up》学习第5天,p88-p94总结,总计7页。 一、技术总结 1.touppercase.s #PURPOSE: This program converts an input file #to an output file with all letters #converted to uppercase. #PROCESSING: #(1)Open the input file #(2)Open the output file #(3)While we're...
《Programming from the Ground Up》阅读笔记:p103-p116 《Programming from the Ground Up》学习第7天,p103-p116总结,总计14页。 一、技术总结 1.读写文件 (1)linux.s linux.s: #file name:linux.s # system call numbers(按数字大小排列,方便查看)...