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authorMichael Meissner <gnu@the-meissners.org>1996-07-23 15:42:42 +0000
committerMichael Meissner <gnu@the-meissners.org>1996-07-23 15:42:42 +0000
commit30c87b55ec44de3a56cecf41fc7c93ed0c4005ca (patch)
tree5752ad56a8e4c990eb02b12f68d486415c79c41b /sim/ppc/gen-support.c
parent856bcbcbbc01a252a8df2221038100e9a33f87ff (diff)
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New simulator changes from Andrew
Diffstat (limited to 'sim/ppc/gen-support.c')
-rw-r--r--sim/ppc/gen-support.c128
1 files changed, 128 insertions, 0 deletions
diff --git a/sim/ppc/gen-support.c b/sim/ppc/gen-support.c
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+++ b/sim/ppc/gen-support.c
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+/* 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-cache.h"
+#include "ld-insn.h"
+
+#include "igen.h"
+
+#include "gen-semantics.h"
+#include "gen-support.h"
+
+static void
+print_support_function_name(lf *file,
+ table_entry *function,
+ int is_function_definition)
+{
+ if (it_is("internal", function->fields[insn_flags])) {
+ lf_print_function_type(file, SEMANTIC_FUNCTION_TYPE, "INLINE_SUPPORT",
+ (is_function_definition ? "\n" : " "));
+ print_function_name(file,
+ function->fields[function_name],
+ NULL,
+ function_name_prefix_semantics);
+ lf_printf(file, "\n(%s)", SEMANTIC_FUNCTION_FORMAL);
+ if (!is_function_definition)
+ lf_printf(file, ";");
+ lf_printf(file, "\n");
+ }
+ else {
+ lf_print_function_type(file,
+ function->fields[function_type],
+ "INLINE_SUPPORT",
+ (is_function_definition ? "\n" : " "));
+ lf_printf(file, "%s\n(%s)%s",
+ function->fields[function_name],
+ function->fields[function_param],
+ (is_function_definition ? "\n" : ";\n"));
+ }
+}
+
+
+static void
+support_h_function(insn_table *entry,
+ lf *file,
+ void *data,
+ table_entry *function)
+{
+ ASSERT(function->fields[function_type] != NULL);
+ ASSERT(function->fields[function_param] != NULL);
+ print_support_function_name(file,
+ function,
+ 0/*!is_definition*/);
+ lf_printf(file, "\n");
+}
+
+
+extern void
+gen_support_h(insn_table *table,
+ lf *file)
+{
+ /* output a declaration for all functions */
+ insn_table_traverse_function(table,
+ file, NULL,
+ support_h_function);
+}
+
+static void
+support_c_function(insn_table *table,
+ lf *file,
+ void *data,
+ table_entry *function)
+{
+ ASSERT(function->fields[function_type] != NULL);
+ print_support_function_name(file,
+ function,
+ 1/*!is_definition*/);
+ table_entry_print_cpp_line_nr(file, function);
+ lf_printf(file, "{\n");
+ lf_indent(file, +2);
+ lf_print__c_code(file, function->annex);
+ if (it_is("internal", function->fields[insn_flags])) {
+ lf_printf(file, "error(\"Internal function must longjump\\n\");\n");
+ lf_printf(file, "return 0;\n");
+ }
+ lf_indent(file, -2);
+ lf_printf(file, "}\n");
+ lf_print__internal_reference(file);
+ lf_printf(file, "\n");
+}
+
+
+void
+gen_support_c(insn_table *table,
+ lf *file)
+{
+ lf_printf(file, "#include \"cpu.h\"\n");
+ lf_printf(file, "#include \"idecode.h\"\n");
+ lf_printf(file, "#include \"support.h\"\n");
+ lf_printf(file, "\n");
+
+ /* output a definition (c-code) for all functions */
+ insn_table_traverse_function(table,
+ file, NULL,
+ support_c_function);
+}