How to add custom section to ELF file?

All linux binary applications have a common ELF format (Executable and Linking Format). This format consist of header and variouse sections (see ELF Specification). The ELF allows you to attach custom sections with some extra user-data. It means that you can hide some usefull information inside a binary file (like library for example). Why you … Read more

ESP32 – dockerized toolchain

Docker image built on top of espressif/idf with xtensa toolchain, ESP_IDF, and few additional tools: xtensa toolchain (2019; crosstool-NG esp-2019r2; 8.2.0) (v2.9-dev) make (v4.1) cmake (v3.10.2) DockerHub: Installing Bellow you can find recommended simple one-line installer that pulls the newest docker-image and installs esp32-toolchainscript into “/usr/bin/” directory. curl | bash -s — Getting started Install toolchain … Read more