Summary
The blog post discusses the complexities of Application Binary Interfaces (ABIs) on ARM32 Linux, specifically focusing on frame pointers and their management. It reviews the evolution of different ABIs over the years, challenges related to stack management, and how calling conventions have evolved. The author highlights inconsistencies between compilers (GCC and Clang), performance implications, and recent changes to ABI standards, providing a detailed analysis useful for developers working with embedded systems or low-level programming on ARM architecture.