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/* Utility to generate opcode list from bytecode definition.
Copyright (C) 1993, 1994 Free Software Foundation, Inc.
This file is part of GNU CC.
GNU CC 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, or (at your option)
any later version.
GNU CC 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.
You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <stdio.h>
#include "hconfig.h"
#include "bi-defs.h"
int
main(argc, argv)
int argc;
char **argv;
{
struct def *d;
struct variation *v;
int i;
yyparse();
reverse();
printf ("/* This file is automatically generated from bytecode.def,\n");
printf ("do not make any changes here. Instead edit bytecode.def. */\n\n");
printf ("enum bytecode_opcode\n{");
i = 0;
for (d = defs; d; d = d->next)
for (v = d->variations; v; v = v->next)
{
printf (" %s%s,\n", d->basename, v->name);
++i;
}
puts (" LAST_AND_UNUSED_OPCODE\n};");
if (i > 256)
fprintf (stderr, "%s: warning, number of opcodes is %d\n", *argv, i);
else
fprintf (stderr, "(Number of opcodes is %d)\n", i);
fflush (stdout);
exit (ferror (stdout) != 0 ? FATAL_EXIT_CODE : SUCCESS_EXIT_CODE);
/* NOTREACHED */
return 0;
}
/* Safely allocate NBYTES bytes of memory. Returns pointer to block of
memory. */
char *
xmalloc (nbytes)
int nbytes;
{
char *tmp = (char *) malloc (nbytes);
if (!tmp)
{
fprintf (stderr, "can't allocate %d bytes (out of virtual memory)\n", nbytes);
exit (FATAL_EXIT_CODE);
}
return tmp;
}
/* More 'friendly' abort that prints the line and file.
config.h can #define abort fancy_abort if you like that sort of thing. */
void
fancy_abort ()
{
fprintf (stderr, "Internal gcc abort.\n");
exit (FATAL_EXIT_CODE);
}
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