102   // Must never look like an address returned by reserve_memory,

   102   // Must never look like an address returned by reserve_memory,

   103   // even in its subfields (as defined by the CPU immediate fields,

   103   // even in its subfields (as defined by the CPU immediate fields,

   104   // if the CPU splits constants across multiple instructions).

   104   // if the CPU splits constants across multiple instructions).

   105 

   105 

   106   return (char*) 0xffffffffffff;

   106   return (char*) 0xffffffffffff;

   110 }

   107 }

   111 

   108 

   112 address os::Linux::ucontext_get_pc(const ucontext_t * uc) {

   109 address os::Linux::ucontext_get_pc(const ucontext_t * uc) {

   113 #ifdef BUILTIN_SIM

   110 #ifdef BUILTIN_SIM

   114   return (address)uc->uc_mcontext.gregs[REG_PC];

   111   return (address)uc->uc_mcontext.gregs[REG_PC];