V2EX program dependence graph

Program Dependence Graph

释义 Definition

程序依赖图(PDG):一种用于表示程序中各语句/操作之间依赖关系的图结构,主要包含数据依赖(data dependence)控制依赖(control dependence)。常用于程序切片(program slicing)编译器优化静态分析安全审计等场景。

发音 Pronunciation (IPA)

/prorm dpndns rf/

例句 Examples

A program dependence graph helps visualize how statements affect each other.
程序依赖图有助于可视化各条语句如何相互影响。

Using a program dependence graph, the analyzer computed a backward slice to trace the origin of a vulnerability across multiple functions.
分析器利用程序依赖图计算后向切片,以跨越多个函数追踪漏洞的来源。

词源 Etymology

该术语由 program(程序)dependence(依赖)graph(图) 组合而成,字面意思是“述程序依赖关系的图”。在编译与程序分析领域中,PDG 作为一种经典中间表示被系统化提出并推广,尤其与“程序切片”方法的发展密切相关。

相关词 Related Words

文献作品 Notable Works

  • The Program Dependence Graph and Its Use in Optimization(Ferrante, Ottenstein, Warren,ACM TOPLAS,1987)
  • Compilers: Principles, Techniques, and Tools(Aho, Sethi, Ullman;常称“龙书”,相关章节涉及依赖与程序分析思想)
  • Advanced Compiler Design and Implementation(Steven Muchnick;涵盖依赖分析与优化相关内容)
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