Aug 20, 2024 · Fundamentals

Why Does Your Executable Size Vary? Understanding BSS, Data, and Text Segments

An overview of the BSS, data, and text segments in program memory—explaining their roles for uninitialized, initialized global variables and executable code, plus heap and stack basics, illustrated with C examples that show how segment placement affects binary size.

Data SegmentHeapStack

0 likes · 7 min read

Why Does Your Executable Size Vary? Understanding BSS, Data, and Text Segments

Liangxu Linux

Apr 21, 2024 · Fundamentals

Understanding C Memory Layout on STM32: Stack, Heap, and Data Segments Explained

This article explains C language memory partitioning—including stack, heap, global/static, constant, and code sections—illustrates their characteristics and growth directions, then applies the concepts to STM32F103 by showing memory map details and providing a complete Keil‑based C program that prints the addresses of variables in each region.

CData SegmentHeap

0 likes · 10 min read

Understanding C Memory Layout on STM32: Stack, Heap, and Data Segments Explained