Initial creation of sourceware repositorygdb-4_18-branchpoint

1 files changed, 114 insertions, 0 deletions

diff --git a/sim/igen/ld-cache.c b/sim/igen/ld-cache.c
new file mode 100644
index 0000000..63bd111
--- /dev/null
+++ b/sim/igen/ld-cache.c
@@ -0,0 +1,114 @@
+/*  This file is part of the program psim.
+
+    Copyright (C) 1994,1995,1996, Andrew Cagney <cagney@highland.com.au>
+
+    This program 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.
+ 
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ 
+    */
+
+
+#include "misc.h"
+#include "lf.h"
+#include "table.h"
+#include "filter.h"
+#include "igen.h"
+
+#include "ld-insn.h"
+#include "ld-cache.h"
+
+#ifndef NULL
+#define NULL 0
+#endif
+
+
+enum {
+  ca_type,
+  ca_field_name,
+  ca_derived_name,
+  ca_type_def,
+  ca_expression,
+  nr_cache_rule_fields,
+};
+
+static const name_map cache_type_map[] = {
+  { "cache", cache_value },
+  { "compute", compute_value },
+  { "scratch", scratch_value },
+  { NULL, 0 },
+};
+
+
+cache_entry *
+load_cache_table (char *file_name)
+{
+  cache_entry *cache = NULL;
+  cache_entry **last = &cache;
+  table *file = table_open (file_name);
+  table_entry *entry;
+  while ((entry = table_read (file)) != NULL)
+    {
+      cache_entry *new_rule = ZALLOC (cache_entry);
+      new_rule->line = entry->line;
+      new_rule->entry_type = name2i (entry->field[ca_type], cache_type_map);
+      new_rule->name = entry->field[ca_derived_name];
+      filter_parse (&new_rule->original_fields,
+		    entry->field[ca_field_name]);
+      new_rule->type = entry->field[ca_type_def];
+      /* expression is the concatenation of the remaining fields */
+      if (entry->nr_fields > ca_expression)
+	{
+	  int len = 0;
+	  int chi;
+	  for (chi = ca_expression; chi < entry->nr_fields; chi++)
+	    {
+	      len += strlen (" : ") + strlen (entry->field[chi]);
+	    }
+	  new_rule->expression = NZALLOC (char, len);
+	  strcpy (new_rule->expression, entry->field[ca_expression]);
+	  for (chi = ca_expression + 1; chi < entry->nr_fields; chi++)
+	    {
+	      strcat (new_rule->expression, " : ");
+	      strcat (new_rule->expression, entry->field[chi]);
+	    }
+	}
+      /* insert it */
+      *last = new_rule;
+      last = &new_rule->next;
+    }
+  return cache;
+}
+
+
+
+#ifdef MAIN
+
+igen_options options;
+
+int
+main(int argc, char **argv)
+{
+  cache_entry *rules = NULL;
+  lf *l;
+
+  if (argc != 2)
+    error (NULL, "Usage: cache <cache-file>\n");
+
+  rules = load_cache_table (argv[1]);
+  l = lf_open ("-", "stdout", lf_omit_references, lf_is_text, "tmp-ld-insn");
+  dump_cache_entries (l, "(", rules, ")\n");
+
+  return 0;
+}
+#endif