基于RISC-V的BFD解析和扩展  

Parsing and Extending BFD Libraries Based on RISC-V

作　　者：徐康民 陈龙震 张铆 

机构地区：[1]中国电子科技集团公司第五十八研究所,江苏无锡214035

出　　处：《工业控制计算机》2025年第4期98-100,共3页Industrial Control Computer

摘　　要：探讨了BFD(Binary File Descriptor)库的设计思想和数据结构,以RISC-V为例阐述BFD解析二进制文件的过程。首先介绍了BFD库在现代计算中的应用背景,强调了对BFD库深入研究的必要性。在对BFD库的基本原理和发展历程做了概述之后,提供了关于BFD库的使用场景以及编译指南。随后,解析了BFD库的前端设计和数据处理流程,揭示了其在数据解析方面的核心机制。接着,着重于BFD库的后端架构,针对RISC-V架构ELF32目标格式的后端接口和重定位过程进行分析。最后,阐述了如何扩展BFD库以支持新的后端架构,对于理解如何在BFD库中添加对新架构的支持以及工具链的扩展具有重要意义。This paper discusses the design ideas and data structure of the BFD(Binary File Descriptor)library,and uses RISC-V as an example to illustrate the process of BFD parsing binary files.The paper first introduces the application background of the BFD library in modern computing and emphasizes the necessity of in-depth research on the BFD library.Subsequently,this paper analyzes the front-end design and data processing process of the BFD library,revealing its core mechanism in data analysis.Next,this paper focuses on the back-end architecture of the BFD library,analyzing the back-end interface and relocation process of the RISC-V architecture ELF32 target format.Finally,it explains how to extend the BFD library to support new back-end architectures.

关 键 词：BFD RISC-V ELF32 架构 重定位 

分 类 号：TP311.1[自动化与计算机技术—计算机软件与理论]