Follow+Star Public Account, don’t miss the wonderful content Source | Zhihu Wei Yixiao Embedded development cannot be separated from debugging tools, and there are many debugging tools on the market, but in terms of compatibility and versatility, GDB absolutely holds a leading advantage. Today, let’s talk about this powerful GDB tool. Naked Running State: The … Read more
Introduction to GDB GDB (GNU Debugger) is a powerful command-line debugging tool. Generally, when developing on Windows, command-line debugging is rarely used, as debuggers are mostly integrated with compilers in IDEs. Of course, you can also directly use gcc and gdb to compile and debug our C programs on Windows. For example, MinGW (a collection … Read more
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
Table of Contents 1. Introduction 2. How to Support GDB Debugging 3. Code Examples [1] Write demo.c [2] Write CMakeLists.txt [3] Compile [4] GDB Debugging 1. Introduction The combination of CMake and GDB indeed makes the development work of C or C++ easier, enabling cross-platform project builds and source-level debugging. This article details how to … Read more
Follow and star our official account, to access exciting content Source: Zhihu Author: snowdream I saw the following question on Zhihu. After 6 years in MCU, how do I transition to Embedded Linux? It’s quite awkward now; the MCU products I work on always feel repetitive, and I want to learn something new but don’t … Read more
1. GDB Deployment Establishing GDB Debugging Connection: 1. Start GDB on the host, and start the server gdbserver on the target board. 2. Ensure that the compiled options for the program being debugged include the -g option to add debugging information, and that the debugging programs on both the host and target board are consistent. … Read more