https://embeddedlinux.blog/en/series/c-mcu/Recent content in C-MCU on Embedded Linux BlogHugoenThu, 25 Dec 2025 21:40:33 +0700https://embeddedlinux.blog/en/2025/12/27/c-mcu-memory-layout-function-call-stack/Sat, 27 Dec 2025 06:54:00 +0700https://embeddedlinux.blog/en/2025/12/27/c-mcu-memory-layout-function-call-stack/<p>In the previous post we looked at the Build Process of a C program; now I continue with the Memory Layout (the regions of memory)</p> <h2 id="1-overview">1. Overview</h2> <p><figure class="md-img"><img src="https://embeddedlinux.blog/uploads/2025/12/image-21.png" alt="" loading="lazy" decoding="async"></figure> </p> <p>As in the previous post, when we inspect the elf header of the object file with objdump we see (this is elf64-x86-64, which differs somewhat from an MCU's elf; I will cover that in more detail in the MCU demo below)</p>https://embeddedlinux.blog/en/2025/12/20/c-mcu-1-build-process-chuong-trinh-code-c/Sat, 20 Dec 2025 06:57:00 +0700https://embeddedlinux.blog/en/2025/12/20/c-mcu-1-build-process-chuong-trinh-code-c/<p>You have written plenty of programs in C, but have you ever wondered what runs behind the scenes before the final executable file comes out? Today I will explain that</p> <h2 id="1-preparing-the-host-machine">1. Preparing the host machine</h2> <p>For today's post you need GCC to compile C code; the commands don't differ much between the two sides. You can see how to install it at <a href="https://embeddedlinux.blog/en/2024/10/19/cach-cai-dat-gcc-tren-windows-va-ubuntu/">How to install gcc on Windows and Ubuntu</a> </p>