From WeChat Official Account: Embedded and Linux Matters Starting To start gdb, simply type the gdb command in the shell. After starting, it will display the following information and show the gdb prompt. ➜ example gdb GNU gdb (Ubuntu 8.1.1-0ubuntu1) 8.1.1 Copyright (C) 2018 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or … Read more
This article is compiled from “Debugging with GDB: the GNU Source-Level Debugger for GDB (GDB)” — Fsf Article Navigation ◈ Table of Contents00% ◈ break11% ◈ info breakpoints18% ◈ disable20% ◈ enable22% ◈ clear26% ◈ delete30% ◈ tbreak32% ◈ watch33% ◈ step36% ◈ reverse-step40% ◈ next42% ◈ reverse-next44% ◈ return46% ◈ finish48% ◈ until50% ◈ … Read more
Debugging C programs used to confuse me. However, when I was writing my operating system, I had many bugs to debug. I was fortunate to use the QEMU emulator, which allowed me to attach a debugger to my operating system. This debugger is gdb. — Julia Evans This article navigation ◈ 1. Set Breakpoints13% ◈ … Read more
(Click the public account above, follow quickly) Compiled by: Linux China / Lv Feng, English: Julia Evans https://linux.cn/article-9588-1.html This week, I discovered that I could call C functions from gdb. This seemed cool because I previously thought that gdb was just a read-only debugging tool at best. I was surprised that gdb could call functions. … Read more
1. Why Use Makefile for Compiling Multiple .C Files: (1). Generally, when we are developing a project, we will create a project with many directories, and each directory contains many .C files, which requires joint compilation. (2). If we compile manually, the multiple program files are intertwined, leading to dependencies and dependent relationships between different … Read more
In Chapter 3 of “Running Beginner’s Guide,” Ben Shu introduced the method of step-by-step debugging the kernel using Eclipse + QEMU. With the kernel compiled using Ben Shu’s unique O0 option, you can freely explore the kernel. Today, Ben Shu will introduce the IDE debugging tool developed by ARM: DS-5. DS-5 is a secondary development … Read more
First of all, I would like to thank everyone for their feedback on the last video. It was a very meaningful discussion. The performance of AC6 this time is astonishing; it can jump around even without optimization. 【Experiment Purpose】 The purpose is to test the debugging phenomena in the C environment with the same program … Read more
Although there are countless books and materials about assembly language available on the market, do you find it hard to get started? Even though they are all comprehensible Chinese characters, do they become incomprehensible when combined? You can understand them, but when you get to the practical operation, you get stuck. Do you feel the … Read more
One-TimePayment to Join, Long-Term Free Access to Tutorials, No Paid Tutorials. Tutorial List See the Bottom Menu of WeChat Official Account Reply to the WeChat Official Account to Join the Group: WeChat Group; QQ Group:460500587 WeChat Official Account: Computer and Network Security ID: Computer-network Assembly language is a low-level language used for electronic computers, microprocessors, … Read more
Some rankings can remain unchanged for centuries, like the Eight Great Prose Masters of the Tang and Song Dynasties. The names of Han Yu, Liu Zongyuan, Ouyang Xiu, Su Xun, Su Shi, Su Zhe, Zeng Gong, and Wang Anshi will never be replaced. Some rankings are updated annually, like the annual box office rankings of … Read more