“I just want to run a Go program, but I found out I need to set up a C compiler first?!”Don’t worry, I’ll guide you through this journey easily. 📌 Prerequisites: You need the following ✔ A computer that can run Ubuntu (like 18.04, 20.04, 22.04)✔ Administrator privileges (you should be able to use <span>sudo</span>)✔ … Read more
Overview of UL 4200A:2023:Summer timeThe button battery product standard UL 4200A:2023 specifies the design, manufacturing, testing, and labeling requirements for button batteries to ensure that these products provide safe and reliable performance under normal use and foreseeable misuse conditions. The scope of UL 4200A:2023 covers all consumer products containing button batteries with a diameter not … Read more
The compilation process of GCC mainly includes four stages: preprocessing, compilation, assembly, and linking. During this process, three tools are used: cc1, as, and collect2. Among them, cc1 is the compiler corresponding to the first and second stages, used to compile the source file hello.c into hello.s; as is the assembler corresponding to the third … Read more
Related source code documentation:File path:In the GCC directory, these three files: c-common.h c-common.c c-parser.c First, change the basic type int to zheng: Figure 1.1 Add RID_ZHENG after RID_INT in c-common.h, as shown in Figure 1.1. Figure 1.2b. Then in c-common.c, add the following line after record_builtin_type (RID_INT, NULL, integer_type_node);: record_builtin_type (RID_ZHENG, NULL, integer_type_node); c. In … Read more
Figure 1Path:source\gcc-4.1.1\libcpp open filedirectives.c, as shown in Figure 1. Change define to dingyi;a. Add the following at the bottom of #define DIRECTIVE_TABLE in directives.c: D(dingyi, T_DINGYI, KANDR, IN_I)/* */, as shown in Figure 1. b. Then search for do_define in directives.c: Figure 2 Then add a new function do_dingyi below this function, as shown in … Read more
Part Two: Tools for Creation and Collaboration In addition to providing the operating system that serves as the foundational environment, the second category of outstanding software includes tools that empower developers to create, manage, and share their works. The modern software landscape, particularly the vibrant open-source world, is built upon a specific set of foundational … Read more
Introduction When optimizing the performance of C++ projects, we often enable -O2 or -O3 to enhance the compilation optimization level. However, many developers are unaware that GCC’s Link Time Optimization (LTO) is a powerful technique that breaks the boundaries of object files, enabling cross-file function inlining and the removal of unused code, further improving program … Read more
丨Scan the QR code in the image above to join the community and download 5K+ resources 丨Knowledge, Q&A, and collaboration, essential tools for the AI industry Introduction: The report indicates that GCC has transformed from a transaction efficiency center to a strategic enabler, but only 8% of GCCs have reached maturity, excelling in the three … Read more
In embedded system development, the GCC toolchain is an indispensable core tool. It is not just a set of compilers but also supports the entire process of building, debugging, and optimizing programs. This article will systematically introduce you to the various components of the GCC toolchain, its working mechanisms, debugging and optimization techniques, along with … Read more
In the booming era of cross-border e-commerce, compliance has become the cornerstone for sellers to establish themselves in the market. For merchants selling children’s mattresses on platforms like Amazon Canada and TEMU, it is essential not only to meet local regulations such as SOR/2016 – 152 regarding the products themselves but also to pay attention … Read more