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

   1 #include "defs.h"
   2
   3 #include <fcntl.h>
   4 #include <sys/stat.h>
   5
   6 #ifdef MAJOR_IN_SYSMACROS
   7 # include <sys/sysmacros.h>
   8 #endif
   9
  10 #ifdef MAJOR_IN_MKDEV
  11 # include <sys/mkdev.h>
  12 #endif
  13
  14 static void
  15 decode_mknod(struct tcb *tcp, int offset)
  16 {
  17         int mode = tcp->u_arg[offset + 1];
  18
  19         printpath(tcp, tcp->u_arg[offset]);
  20         tprintf(", %s", sprintmode(mode));
  21         switch (mode & S_IFMT) {
  22         case S_IFCHR:
  23         case S_IFBLK:
  24 #if defined(SPARC) || defined(SPARC64)
  25                 if (current_personality == 1)
  26                         tprintf(", makedev(%lu, %lu)",
  27                         (unsigned long) ((tcp->u_arg[offset + 2] >> 18) & 0x3fff),
  28                         (unsigned long) (tcp->u_arg[offset + 2] & 0x3ffff));
  29                 else
  30 #endif /* SPARC || SPARC64 */
  31                         tprintf(", makedev(%lu, %lu)",
  32                         (unsigned long) major(tcp->u_arg[offset + 2]),
  33                         (unsigned long) minor(tcp->u_arg[offset + 2]));
  34                 break;
  35         }
  36 }
  37
  38 SYS_FUNC(mknod)
  39 {
  40         decode_mknod(tcp, 0);
  41
  42         return RVAL_DECODED;
  43 }
  44
  45 SYS_FUNC(mknodat)
  46 {
  47         print_dirfd(tcp, tcp->u_arg[0]);
  48         decode_mknod(tcp, 1);
  49
  50         return RVAL_DECODED;
  51 }
  52
  53 #if defined(SPARC) || defined(SPARC64)
  54 SYS_FUNC(xmknod)
  55 {
  56         int mode = tcp->u_arg[2];
  57
  58         tprintf("%ld, ", tcp->u_arg[0]);
  59         printpath(tcp, tcp->u_arg[1]);
  60         tprintf(", %s", sprintmode(mode));
  61         switch (mode & S_IFMT) {
  62         case S_IFCHR:
  63         case S_IFBLK:
  64                 tprintf(", makedev(%lu, %lu)",
  65                         (unsigned long) ((tcp->u_arg[3] >> 18) & 0x3fff),
  66                         (unsigned long) (tcp->u_arg[3] & 0x3ffff));
  67                 break;
  68         default:
  69                 break;
  70         }
  71
  72         return RVAL_DECODED;
  73 }
  74 #endif /* SPARC || SPARC64 */