Re: Performance regression testing?

[Hans-Peter Nilsson]

On Mon, 28 Nov 2005, Hans-Peter Nilsson wrote:
> I've attached the work-in-progress

If someone's missing the trivial sim-main-glue.c, here it is,
just for completeness.  Not used for "native" testing.

brgds, H-P
/* Glue for passing arguments to a simulator that can't pass
   command-line arguments to the target, yet can do file I/O.

   Copyright (c) 2005 Free Software Foundation, Inc.

   This file is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   For a copy of the GNU General Public License, write the the
   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.  */

#include <stdio.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>

const char _argfile[] = _ARGFILE;

/* We know we won't be passed more than this many/long parameters.  */
static char args[1024];
static char *argv[32];
static char *envp[] = {"", NULL};

#undef main
extern int _main_wrapped (int, char *[], char *[]);

int
main (void)
{
  char *argp;
  FILE *argfile = fopen (_argfile, "r");
  unsigned int i;

  if (argfile == NULL)
    abort ();

  for (argp = args, i = 0;; i++)
    {
      /* Need room for NULL too.  */
      if (i >= sizeof (argv) / sizeof (argv[0]) - 1)
        abort ();

      if (fgets (argp, sizeof (args) - (argp - args), argfile) == NULL)
        break;
      argv[i] = argp;
      argp += strlen (argp);
      argp[-1] = 0;
    }

  argv[i] = NULL;
  fclose (argfile);
  exit (_main_wrapped (i, argv, envp));
}