granicus.if.org Git - strace/blob - get_robust_list.c

   1 #include "defs.h"
   2
   3 int
   4 sys_get_robust_list(struct tcb *tcp)
   5 {
   6         if (entering(tcp)) {
   7                 tprintf("%ld, ", (long) (pid_t) tcp->u_arg[0]);
   8         } else {
   9                 void *addr;
  10                 size_t len;
  11
  12                 if (syserror(tcp) ||
  13                     !tcp->u_arg[1] ||
  14                     umove(tcp, tcp->u_arg[1], &addr) < 0) {
  15                         tprintf("%#lx, ", tcp->u_arg[1]);
  16                 } else {
  17                         tprintf("[%p], ", addr);
  18                 }
  19
  20                 if (syserror(tcp) ||
  21                     !tcp->u_arg[2] ||
  22                     umove(tcp, tcp->u_arg[2], &len) < 0) {
  23                         tprintf("%#lx", tcp->u_arg[2]);
  24                 } else {
  25                         tprintf("[%lu]", (unsigned long) len);
  26                 }
  27         }
  28         return 0;
  29 }