New simulator changes from Andrew

1 files changed, 122 insertions, 0 deletions

diff --git a/sim/ppc/gen-itable.c b/sim/ppc/gen-itable.c
new file mode 100644
index 0000000..132aa29
--- /dev/null
+++ b/sim/ppc/gen-itable.c
@@ -0,0 +1,122 @@
+/*  This file is part of the program psim.
+
+    Copyright (C) 1994-1995, 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 "ld-decode.h"
+#include "ld-insn.h"
+
+#include "igen.h"
+#include "gen-itable.h"
+
+#ifndef NULL
+#define NULL 0
+#endif
+
+
+
+static void
+itable_h_insn(insn_table *entry,
+	      lf *file,
+	      void *data,
+	      insn *instruction,
+	      int depth)
+{
+  lf_printf(file, "  ");
+  print_function_name(file,
+		      instruction->file_entry->fields[insn_name],
+		      NULL,
+		      function_name_prefix_itable);
+  lf_printf(file, ",\n");
+}
+
+
+extern void 
+gen_itable_h(insn_table *table, lf *file)
+{
+  /* output an enumerated type for each instruction */
+  lf_printf(file, "typedef enum {\n");
+  insn_table_traverse_insn(table,
+			   file, NULL,
+			   itable_h_insn);
+  lf_printf(file, "  nr_itable_entries,\n");
+  lf_printf(file, "} itable_index;\n");
+  lf_printf(file, "\n");
+
+  /* output the table that contains the actual instruction info */
+  lf_printf(file, "typedef struct _itable_instruction_info {\n");
+  lf_printf(file, "  itable_index nr;\n");
+  lf_printf(file, "  char *format;\n");
+  lf_printf(file, "  char *form;\n");
+  lf_printf(file, "  char *flags;\n");
+  lf_printf(file, "  char *mnemonic;\n");
+  lf_printf(file, "  char *name;\n");
+  lf_printf(file, "  char *file;\n");
+  lf_printf(file, "  int line_nr;\n");
+  lf_printf(file, "} itable_info;\n");
+  lf_printf(file, "\n");
+  lf_printf(file, "extern itable_info itable[nr_itable_entries];\n");
+}
+
+/****************************************************************/
+
+static void
+itable_c_insn(insn_table *entry,
+	      lf *file,
+	      void *data,
+	      insn *instruction,
+	      int depth)
+{
+  char **fields = instruction->file_entry->fields;
+  lf_printf(file, "  { ");
+  print_function_name(file,
+		      instruction->file_entry->fields[insn_name],
+		      NULL,
+		      function_name_prefix_itable);
+  lf_printf(file, ",\n");
+  lf_printf(file, "    \"%s\",\n", fields[insn_format]);
+  lf_printf(file, "    \"%s\",\n", fields[insn_form]);
+  lf_printf(file, "    \"%s\",\n", fields[insn_flags]);
+  lf_printf(file, "    \"%s\",\n", fields[insn_mnemonic]);
+  lf_printf(file, "    \"%s\",\n", fields[insn_name]);
+  lf_printf(file, "    \"%s\",\n", filter_filename (instruction->file_entry->file_name));
+  lf_printf(file, "    %d,\n", instruction->file_entry->line_nr);
+  lf_printf(file, "    },\n");
+}
+
+
+extern void 
+gen_itable_c(insn_table *table, lf *file)
+{
+  /* output the table that contains the actual instruction info */
+  lf_printf(file, "#include \"itable.h\"\n");
+  lf_printf(file, "\n");
+  lf_printf(file, "itable_info itable[nr_itable_entries] = {\n");
+  insn_table_traverse_insn(table,
+			   file, NULL,
+			   itable_c_insn);
+  lf_printf(file, "};\n");
+}