#include namespace factor { inline static void *ucontext_stack_pointer(void *uap) { ucontext_t *ucontext = (ucontext_t *)uap; return (void *)ucontext->uc_mcontext.gregs[RSP]; } #define UAP_PROGRAM_COUNTER(ucontext) \ (((ucontext_t *)(ucontext))->uc_mcontext.gregs[RIP]) }