https://www.marcusfolkesson.se/tags/gcc/ Recent content in GCC on Marcus Folkesson Hugo en-us Thu, 19 Mar 2026 12:00:34 +0100 https://www.marcusfolkesson.se/blog/tracing-function-calls-in-c/ Thu, 19 Mar 2026 12:00:34 +0100 https://www.marcusfolkesson.se/blog/tracing-function-calls-in-c/ Tracing Function Calls in C with -finstrument-functions Some time ago, I wrote a blog post about mutex guards in the Linux kernel [1]. It uses a cool feature in GCC which allows you to cleanup resources when they go out of scope. I have a few of such GCC features that I use every now and then, which often show itself handy in the most unexpected way. -finstrument-functions is one of those.