Is there a compiler feature to inject custom function entry and exit code?

Question

Currently coding on Windows with VS2005 (but wouldn\'t mind knowing if there are options for other compilers and platforms. I\'m most interested in OSX as an alternative pl

Answer 1

GCC has the -finstrument-functions flag which allows you to define two functions that will be called at the beginning and end of each function call:

void __cyg_profile_func_enter(void *this_fn, void *call_site);
void __cyg_profile_func_exit(void *this_fn, void *call_site);