FSF GCC version 2.7.2

1 files changed, 78 insertions, 0 deletions

diff --git a/gnu/usr.bin/gcc/bi-opcode.c b/gnu/usr.bin/gcc/bi-opcode.c
new file mode 100644
index 00000000000..6b1ebe4a69e
--- /dev/null
+++ b/gnu/usr.bin/gcc/bi-opcode.c
@@ -0,0 +1,78 @@
+/* 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;
+}