usr/src/cmd/dtrace/test/tst/i386/pid/tst.uregswrite.d

   1 /*
   2  * This file and its contents are supplied under the terms of the
   3  * Common Development and Distribution License ("CDDL"), version 1.0.
   4  * You may only use this file in accordance with the terms of version
   5  * 1.0 of the CDDL.
   6  *
   7  * A full copy of the text of the CDDL should have accompanied this
   8  * source.  A copy of the CDDL is also available via the Internet at
   9  * http://www.illumos.org/license/CDDL.
  10  */
  11
  12 /*
  13  * Copyright 2017 Joyent, Inc.
  14  */
  15
  16
  17 #pragma D option quiet
  18 #pragma D option destructive
  19
  20 pid$1:a.out:startup_wait:entry
  21 {
  22         this->val = (int *)alloca(sizeof (int));
  23         *this->val = 0;
  24         copyout(this->val, arg0, sizeof (int));
  25 }
  26
  27 pid$1:a.out:baz:return
  28 {
  29         uregs[R_EAX] = 1;
  30 }
  31
  32 pid$1:a.out:bar:return
  33 /(uregs[R_EAX] % 2) != 0/
  34 {
  35         uregs[R_EAX] += 1;
  36 }
  37
  38 syscall::rexit:entry
  39 /pid == $1/
  40 {
  41         exit(arg0);
  42 }