GCC alias to function outside of translation unit -AKA- is this even the right tool for the job?

Question

I\'m working with FreeRTOS on an STM32 (Cortex-M3), and using the CMSIS library from ST to bootstrap everything.

The CMSIS library defines the weak symbol SV

Answer 1

You should be able to do this either with a linker script, or by passing the appropriate option to the linker, eg. for ld, --defsym=SVC_Handler=vPortSVCHandler

See the binutils documentation for more information on the ld --defsym option, and assignments in linker scripts