uts: Allow for address space randomisation.
Randomise the base addresses of shared objects, non-fixed mappings, the
stack and the heap.  Introduce a service, svc:/system/process-security,
and a tool psecflags(1) to control and observe it

*** 196,205 ****
--- 196,206 ----
          SCALAR_FIELD(pstatus_t,         pr_dmodel,      0);
          SCALAR_FIELD(pstatus_t,         pr_taskid,      1);
          SCALAR_FIELD(pstatus_t,         pr_projid,      1);
          SCALAR_FIELD(pstatus_t,         pr_nzomb,       1);
          SCALAR_FIELD(pstatus_t,         pr_zoneid,      1);
+         SCALAR_FIELD(pstatus_t,         pr_secflags,    0);
          SCALAR_FIELD(pstatus_t,         pr_lwp,         0);
  
          END;
  }
  
*** 585,594 ****
--- 586,604 ----
          ARRAY_FIELD(prfdinfo_t,         pr_path,        0);
  
          END;
  }
  
+ static void
+ gen_psecflags(void)
+ {
+         START(psecflags, psecflags_t);
+         SCALAR_FIELD(psecflags_t, psf_effective, 0);
+         SCALAR_FIELD(psecflags_t, psf_inherit, 0);
+         END;
+ }
+ 
  
  /*ARGSUSED*/
  int
  main(int argc, char *argv[])
  {
*** 626,635 ****
--- 636,646 ----
          gen_stack();
          gen_sysset();
          gen_timestruc();
          gen_utsname();
          gen_prfdinfo();
+         gen_psecflags();
  
  
          /*
           * Generate the full arch_layout description
           */
*** 654,663 ****
--- 665,675 ----
          (void) printf(fmt, "stack");
          (void) printf(fmt, "sysset");
          (void) printf(fmt, "timestruc");
          (void) printf(fmt, "utsname");
          (void) printf(fmt, "prfdinfo");
+         (void) printf(fmt, "psecflags");
          (void) printf("};\n");
  
          /*
           * A public function, to make the information available
           */