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

   1 #include "defs.h"
   2
   3 SYS_FUNC(process_vm_readv)
   4 {
   5         if (entering(tcp)) {
   6                 /* arg 1: pid */
   7                 tprintf("%ld, ", tcp->u_arg[0]);
   8         } else {
   9                 /* arg 2: local iov */
  10                 if (syserror(tcp)) {
  11                         tprintf("%#lx", tcp->u_arg[1]);
  12                 } else {
  13                         tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], 1);
  14                 }
  15                 /* arg 3: local iovcnt */
  16                 tprintf(", %lu, ", tcp->u_arg[2]);
  17                 /* arg 4: remote iov */
  18                 if (syserror(tcp)) {
  19                         tprintf("%#lx", tcp->u_arg[3]);
  20                 } else {
  21                         tprint_iov(tcp, tcp->u_arg[4], tcp->u_arg[3], 0);
  22                 }
  23                 /* arg 5: remote iovcnt */
  24                 /* arg 6: flags */
  25                 tprintf(", %lu, %lu", tcp->u_arg[4], tcp->u_arg[5]);
  26         }
  27         return 0;
  28 }
  29
  30 SYS_FUNC(process_vm_writev)
  31 {
  32         if (entering(tcp)) {
  33                 /* arg 1: pid */
  34                 tprintf("%ld, ", tcp->u_arg[0]);
  35                 /* arg 2: local iov */
  36                 tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1], 1);
  37                 /* arg 3: local iovcnt */
  38                 tprintf(", %lu, ", tcp->u_arg[2]);
  39                 /* arg 4: remote iov */
  40                 tprint_iov(tcp, tcp->u_arg[4], tcp->u_arg[3], 0);
  41                 /* arg 5: remote iovcnt */
  42                 /* arg 6: flags */
  43                 tprintf(", %lu, %lu", tcp->u_arg[4], tcp->u_arg[5]);
  44         }
  45         return 0;
  46 }