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
(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
In the early stages of learning, the hardest part is finding learning materials, so today I recommend a repository that summarizes embedded open source projects. This article carefully compiles some embedded-related resources, including but not limited to programming languages, microcontrollers, open source projects, Internet of Things, operating systems, Linux and more. These materials are continuously … Read more
Click the "C Language and CPP Programming" above and select "Follow/Top/Star the Public Account" Useful resources delivered to you first! Recently, some friends mentioned they did not receive the daily article push. This is because WeChat has changed its push mechanism, and some friends are unable to see the articles for the day. Missing out … Read more
Basic Rules The Makefile is based on declarative dependencies as follows target: prerequisite prerequisite2 command target2: target command2 If you run target2, due to the declared dependencies, target will run first. It is important to note that the default target in Makefile is both a target and a local file, unless you declare it as … Read more
Click the blue text Follow us What is Makefile? Perhaps many Windows programmers do not know this thing, because those Windows IDE do this work for you, but a good and professional programmer still needs to understand makefile. It’s like there are so many HTML editors now, but if you want to become a professional, … Read more
This article will illustrate how Makefile works using two examples. The author’s aim is to summarize the common problems beginners encounter when writing Makefiles in a concise manner. After reading this article, you should be able to start writing your own Makefile. Platform: Ubuntu 20 Tools: make, gcc What is Makefile The Makefile describes the … Read more
In-Depth Study of Makefile In previous articles, we analyzed character device drivers together. If we have already written the driver code, what should we do next? First, we need to run make, and upon successful compilation, a globalmem.ko file will be generated. Next, we need to insert this kernel module into the kernel and use … Read more
What is a Makefile? Why do we need a Makefile? To compile a C file normally, you can just type the command: gcc hello.c -o hello That’s it. If there are just a few more files, adding them in gcc isn’t a big deal. However, if you have a complete project that contains thousands or … Read more