--- old/usr/src/test/os-tests/tests/xsave/xregs_dump.c
          +++ new/usr/src/test/os-tests/tests/xsave/xregs_dump.c

   1    1  /*
   2    2   * This file and its contents are supplied under the terms of the
   3    3   * Common Development and Distribution License ("CDDL"), version 1.0.
   4    4   * You may only use this file in accordance with the terms of version
   5    5   * 1.0 of the CDDL.
   6    6   *
   7    7   * A full copy of the text of the CDDL should have accompanied this
   8    8   * source.  A copy of the CDDL is also available via the Internet at
   9    9   * http://www.illumos.org/license/CDDL.
  10   10   */
  11   11  
  12   12  /*
  13   13   * Copyright 2023 Oxide Computer Company
  14   14   */
  15   15  
  16   16  /*
  17   17   * This is a simple program that is meant for use as other programs consuming
  18   18   * it. It simply reads the extended registers and dumps them. The expectation
  19   19   * is someone else is showing up and doing something ahead of that.
  20   20   */
  21   21  
  22   22  #include <err.h>
  23   23  #include <stdio.h>
  24   24  #include <stdlib.h>
  25   25  
  26   26  #include "xsave_util.h"
  27   27  
  28   28  static xsu_fpu_t fpu;
  29   29  
  30   30  int
  31   31  main(int argc, char *argv[])
  32   32  {
  33   33          FILE *f;
  34   34          uint32_t hwsup;
  35   35  
  36   36          if (argc != 2) {
  37   37                  errx(EXIT_FAILURE, "missing required filename to write to");
  38   38          }
  39   39  
  40   40          hwsup = xsu_hwsupport();
  41   41          f = fopen(argv[1], "w+");
  42   42          if (f == NULL) {
  43   43                  err(EXIT_FAILURE, "failed to open %s", argv[1]);
  44   44          }
  45   45  
  46   46          xsu_getfpu(&fpu, hwsup);
  47   47          xsu_dump(f, &fpu, hwsup);
  48   48  
  49   49          return (EXIT_SUCCESS);
  50   50  }

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