6 #define FRAME_RETURN_ADDRESS(frame,vm) *((void **)(vm->frame_successor(frame) + 1) + 1)
8 inline static void *ucontext_stack_pointer(void *uap)
10 ucontext_t *ucontext = (ucontext_t *)uap;
11 return (void *)ucontext->uc_mcontext.uc_regs->gregs[PT_R1];
14 #define UAP_PROGRAM_COUNTER(ucontext) \
15 (((ucontext_t *)(ucontext))->uc_mcontext.uc_regs->gregs[PT_NIP])