-/* This file is part of the program psim.
+/* The IGEN simulator generator for GDB, the GNU Debugger.
- Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
+ Copyright 2002-2016 Free Software Foundation, Inc.
- 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.
+ Contributed by Andrew Cagney.
- 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.
-
- */
+ This file is part of GDB.
+
+ 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 3 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, see <http://www.gnu.org/licenses/>. */
+typedef struct _itable_info
+{
+ int sizeof_form;
+ int sizeof_name;
+ int sizeof_file;
+}
+itable_info;
+
+
static void
itable_h_insn (lf *file,
- insn_table *entry,
- insn_entry *instruction,
- void *data)
+ insn_table *entry, insn_entry * instruction, void *data)
{
+ int len;
+ itable_info *info = data;
lf_print__line_ref (file, instruction->line);
lf_printf (file, " ");
print_function_name (file,
instruction->name,
instruction->format_name,
- NULL,
- NULL,
- function_name_prefix_itable);
+ NULL, NULL, function_name_prefix_itable);
lf_printf (file, ",\n");
+ /* update summary info */
+ len = strlen (instruction->format_name);
+ if (info->sizeof_form <= len)
+ info->sizeof_form = len + 1;
+ len = strlen (instruction->name);
+ if (info->sizeof_name <= len)
+ info->sizeof_name = len + 1;
+ len = strlen (filter_filename (instruction->line->file_name));
+ if (info->sizeof_file <= len)
+ info->sizeof_file = len + 1;
}
/* print the list of all the different options */
static void
-itable_print_enum (lf *file,
- filter *set,
- char *name)
+itable_print_enum (lf *file, filter *set, char *name)
{
char *elem;
lf_printf (file, "typedef enum {\n");
lf_indent (file, +2);
for (elem = filter_next (set, "");
- elem != NULL;
- elem = filter_next (set, elem))
+ elem != NULL; elem = filter_next (set, elem))
{
lf_printf (file, "%sitable_%s_%s,\n",
- options.prefix.itable.name, name, elem);
- if (strlen (options.prefix.itable.name) > 0)
+ options.module.itable.prefix.l, name, elem);
+ if (strlen (options.module.itable.prefix.l) > 0)
{
lf_indent_suppress (file);
lf_printf (file, "#define itable_%s_%s %sitable_%s_%s\n",
- name, elem, options.prefix.itable.name, name, elem);
+ name, elem, options.module.itable.prefix.l, name, elem);
}
}
- lf_printf (file, "nr_%sitable_%ss,", options.prefix.itable.name, name);
-
+ lf_printf (file, "nr_%sitable_%ss,\n", options.module.itable.prefix.l,
+ name);
+
lf_indent (file, -2);
- lf_printf (file, "\n} %sitable_%ss;\n", options.prefix.itable.name, name);
- if (strlen (options.prefix.itable.name) > 0)
+ lf_printf (file, "} %sitable_%ss;\n", options.module.itable.prefix.l, name);
+ if (strlen (options.module.itable.prefix.l) > 0)
{
lf_indent_suppress (file);
lf_printf (file, "#define itable_%ss %sitable_%ss\n",
- name, options.prefix.itable.name, name);
+ name, options.module.itable.prefix.l, name);
lf_indent_suppress (file);
lf_printf (file, "#define nr_itable_%ss nr_%sitable_%ss\n",
- name, options.prefix.itable.name, name);
+ name, options.module.itable.prefix.l, name);
}
- lf_printf (file, "\n");
}
-extern void
-gen_itable_h (lf *file,
- insn_table *isa)
+/* print an array of the option names as strings */
+
+static void
+itable_print_names (lf *file, filter *set, char *name)
+{
+ char *elem;
+ lf_printf (file, "const char *%sitable_%s_names[nr_%sitable_%ss + 1] = {\n",
+ options.module.itable.prefix.l, name,
+ options.module.itable.prefix.l, name);
+ lf_indent (file, +2);
+ for (elem = filter_next (set, "");
+ elem != NULL; elem = filter_next (set, elem))
+ {
+ lf_printf (file, "\"%s\",\n", elem);
+ }
+ lf_printf (file, "0,\n");
+ lf_indent (file, -2);
+ lf_printf (file, "};\n");
+}
+
+extern void
+gen_itable_h (lf *file, insn_table *isa)
{
+ itable_info *info = ZALLOC (itable_info);
/* output an enumerated type for each instruction */
lf_printf (file, "typedef enum {\n");
- insn_table_traverse_insn (file, isa, itable_h_insn, NULL);
- lf_printf (file, " nr_%sitable_entries,\n", options.prefix.itable.name);
- lf_printf (file, "} %sitable_index;\n", options.prefix.itable.name);
+ insn_table_traverse_insn (file, isa, itable_h_insn, info);
+ lf_printf (file, " nr_%sitable_entries,\n",
+ options.module.itable.prefix.l);
+ lf_printf (file, "} %sitable_index;\n", options.module.itable.prefix.l);
lf_printf (file, "\n");
/* output an enumeration type for each flag */
itable_print_enum (file, isa->flags, "flag");
-
+ lf_printf (file, "extern const char *%sitable_flag_names[];\n",
+ options.module.itable.prefix.l);
+ lf_printf (file, "\n");
+
/* output an enumeration of all the possible options */
itable_print_enum (file, isa->options, "option");
+ lf_printf (file, "extern const char *%sitable_option_names[];\n",
+ options.module.itable.prefix.l);
+ lf_printf (file, "\n");
/* output an enumeration of all the processor models */
itable_print_enum (file, isa->model->processors, "processor");
+ lf_printf (file, "extern const char *%sitable_processor_names[];\n",
+ options.module.itable.prefix.l);
+ lf_printf (file, "\n");
/* output the table that contains the actual instruction info */
lf_printf (file, "typedef struct _%sitable_instruction_info {\n",
- options.prefix.itable.name);
- lf_printf (file, " %sitable_index nr;\n", options.prefix.itable.name);
+ options.module.itable.prefix.l);
+ lf_printf (file, " %sitable_index nr;\n", options.module.itable.prefix.l);
lf_printf (file, " char *format;\n");
lf_printf (file, " char *form;\n");
lf_printf (file, " char *flags;\n");
- lf_printf (file, " char flag[nr_%sitable_flags];\n",
- options.prefix.itable.name);
+
+ /* nr_itable_* may be zero, so we add 1 to avoid an
+ illegal zero-sized array. */
+ lf_printf (file, " char flag[nr_%sitable_flags + 1];\n",
+ options.module.itable.prefix.l);
lf_printf (file, " char *options;\n");
- lf_printf (file, " char option[nr_%sitable_options];\n",
- options.prefix.itable.name);
+ lf_printf (file, " char option[nr_%sitable_options + 1];\n",
+ options.module.itable.prefix.l);
lf_printf (file, " char *processors;\n");
- lf_printf (file, " char processor[nr_%sitable_processors];\n",
- options.prefix.itable.name);
+ lf_printf (file, " char processor[nr_%sitable_processors + 1];\n",
+ options.module.itable.prefix.l);
lf_printf (file, " char *name;\n");
lf_printf (file, " char *file;\n");
lf_printf (file, " int line_nr;\n");
- lf_printf (file, "} %sitable_info;\n", options.prefix.itable.name);
+ lf_printf (file, "} %sitable_info;\n", options.module.itable.prefix.l);
lf_printf (file, "\n");
lf_printf (file, "extern %sitable_info %sitable[nr_%sitable_entries];\n",
- options.prefix.itable.name, options.prefix.itable.name,
- options.prefix.itable.name);
- if (strlen (options.prefix.itable.name) > 0)
+ options.module.itable.prefix.l, options.module.itable.prefix.l,
+ options.module.itable.prefix.l);
+ if (strlen (options.module.itable.prefix.l) > 0)
{
lf_indent_suppress (file);
lf_printf (file, "#define itable %sitable\n",
- options.prefix.itable.name);
+ options.module.itable.prefix.l);
}
+ lf_printf (file, "\n");
+
+ /* output an enum defining the max size of various itable members */
+ lf_printf (file, "enum {\n");
+ lf_printf (file, " sizeof_%sitable_form = %d,\n",
+ options.module.itable.prefix.l, info->sizeof_form);
+ lf_printf (file, " sizeof_%sitable_name = %d,\n",
+ options.module.itable.prefix.l, info->sizeof_name);
+ lf_printf (file, " sizeof_%sitable_file = %d,\n",
+ options.module.itable.prefix.l, info->sizeof_file);
+ lf_printf (file, "};\n");
}
/****************************************************************/
static void
-itable_print_set (lf *file,
- filter *set,
- filter *members)
+itable_print_set (lf *file, filter *set, filter *members)
{
char *elem;
lf_printf (file, "\"");
}
lf_printf (file, "\",\n");
- lf_printf(file, "{");
+ lf_printf (file, "{");
for (elem = filter_next (set, "");
- elem != NULL;
- elem = filter_next (set, elem))
+ elem != NULL; elem = filter_next (set, elem))
{
if (filter_is_member (members, elem))
{
{
lf_printf (file, " 0,");
}
-
+
}
- lf_printf(file, " },\n");
+ /* always print a dummy element, to avoid empty initializers. */
+ lf_printf (file, " 99 },\n");
}
static void
itable_c_insn (lf *file,
- insn_table *isa,
- insn_entry *instruction,
- void *data)
+ insn_table *isa, insn_entry * instruction, void *data)
{
lf_printf (file, "{ ");
lf_indent (file, +2);
print_function_name (file,
instruction->name,
instruction->format_name,
- NULL,
- NULL,
- function_name_prefix_itable);
+ NULL, NULL, function_name_prefix_itable);
lf_printf (file, ",\n");
lf_printf (file, "\"");
print_insn_words (file, instruction);
itable_print_set (file, isa->options, instruction->options);
itable_print_set (file, isa->model->processors, instruction->processors);
- lf_printf(file, "\"%s\",\n", instruction->name);
- lf_printf(file, "\"%s\",\n",
- filter_filename (instruction->line->file_name));
- lf_printf(file, "%d,\n", instruction->line->line_nr);
- lf_printf(file, "},\n");
+ lf_printf (file, "\"%s\",\n", instruction->name);
+ lf_printf (file, "\"%s\",\n",
+ filter_filename (instruction->line->file_name));
+ lf_printf (file, "%d,\n", instruction->line->line_nr);
+ lf_printf (file, "},\n");
lf_indent (file, -2);
}
-extern void
-gen_itable_c (lf *file,
- insn_table *isa)
+extern void
+gen_itable_c (lf *file, insn_table *isa)
{
/* leader */
- lf_printf(file, "#include \"%sitable.h\"\n", options.prefix.itable.name);
- lf_printf(file, "\n");
+ lf_printf (file, "#include \"%sitable.h\"\n",
+ options.module.itable.prefix.l);
+ lf_printf (file, "\n");
/* FIXME - output model data??? */
/* FIXME - output assembler data??? */
+ /* output the flag, option and processor name tables */
+ itable_print_names (file, isa->flags, "flag");
+ itable_print_names (file, isa->options, "option");
+ itable_print_names (file, isa->model->processors, "processor");
+
/* output the table that contains the actual instruction info */
- lf_printf(file, "%sitable_info %sitable[nr_%sitable_entries] = {\n",
- options.prefix.itable.name,
- options.prefix.itable.name,
- options.prefix.itable.name);
+ lf_printf (file, "%sitable_info %sitable[nr_%sitable_entries] = {\n",
+ options.module.itable.prefix.l,
+ options.module.itable.prefix.l, options.module.itable.prefix.l);
insn_table_traverse_insn (file, isa, itable_c_insn, NULL);
- lf_printf(file, "};\n");
+ lf_printf (file, "};\n");
}