vm/os-linux-ppc.h

   1 #include <ucontext.h>
   2
   3 #define FRAME_RETURN_ADDRESS(frame) *((XT *)(frame_successor(frame) + 1) + 1)
   4
   5 INLINE void *ucontext_stack_pointer(void *uap)
   6 {
   7         ucontext_t *ucontext = (ucontext_t *)uap;
   8         return (void *)ucontext->uc_mcontext.uc_regs->gregs[PT_R1];
   9 }
  10
  11 #define UAP_PROGRAM_COUNTER(ucontext) \
  12         (((ucontext_t *)(ucontext))->uc_mcontext.uc_regs->gregs[PT_NIP])