Development tools for Zephyr on STM32Workbench for Zephyr: VS Code extension to set up, build, flash and debug Zephyr applications on STM32.Devicetree manager: browse, edit and visualize Zephyr devicetree, STM32CubeMX-like for Zephyr.
Thank you for the reply.
Though it is an Eclipse project, i am using a makefile. So the the file should build with the assembler flags that i am providing.