247 lines
6.8 KiB
C
247 lines
6.8 KiB
C
/* This file is part of the program psim.
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Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "misc.h"
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#include "lf.h"
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#include "table.h"
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#include "filter.h"
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#include "igen.h"
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#include "ld-insn.h"
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#include "ld-decode.h"
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#include "gen.h"
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#include "gen-itable.h"
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#ifndef NULL
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#define NULL 0
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#endif
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static void
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itable_h_insn (lf *file,
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insn_table *entry,
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insn_entry *instruction,
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void *data)
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{
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lf_print__line_ref (file, instruction->line);
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lf_printf (file, " ");
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print_function_name (file,
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instruction->name,
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instruction->format_name,
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NULL,
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NULL,
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function_name_prefix_itable);
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lf_printf (file, ",\n");
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}
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/* print the list of all the different options */
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static void
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itable_print_enum (lf *file,
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filter *set,
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char *name)
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{
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char *elem;
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lf_printf (file, "typedef enum {\n");
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lf_indent (file, +2);
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for (elem = filter_next (set, "");
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elem != NULL;
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elem = filter_next (set, elem))
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{
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lf_printf (file, "%sitable_%s_%s,\n",
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options.prefix.itable.name, name, elem);
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if (strlen (options.prefix.itable.name) > 0)
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{
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lf_indent_suppress (file);
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lf_printf (file, "#define itable_%s_%s %sitable_%s_%s\n",
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name, elem, options.prefix.itable.name, name, elem);
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}
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}
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lf_printf (file, "nr_%sitable_%ss,", options.prefix.itable.name, name);
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lf_indent (file, -2);
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lf_printf (file, "\n} %sitable_%ss;\n", options.prefix.itable.name, name);
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if (strlen (options.prefix.itable.name) > 0)
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{
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lf_indent_suppress (file);
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lf_printf (file, "#define itable_%ss %sitable_%ss\n",
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name, options.prefix.itable.name, name);
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lf_indent_suppress (file);
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lf_printf (file, "#define nr_itable_%ss nr_%sitable_%ss\n",
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name, options.prefix.itable.name, name);
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}
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lf_printf (file, "\n");
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}
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extern void
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gen_itable_h (lf *file,
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insn_table *isa)
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{
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/* output an enumerated type for each instruction */
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lf_printf (file, "typedef enum {\n");
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insn_table_traverse_insn (file, isa, itable_h_insn, NULL);
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lf_printf (file, " nr_%sitable_entries,\n", options.prefix.itable.name);
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lf_printf (file, "} %sitable_index;\n", options.prefix.itable.name);
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lf_printf (file, "\n");
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/* output an enumeration type for each flag */
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itable_print_enum (file, isa->flags, "flag");
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/* output an enumeration of all the possible options */
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itable_print_enum (file, isa->options, "option");
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/* output an enumeration of all the processor models */
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itable_print_enum (file, isa->model->processors, "processor");
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/* output the table that contains the actual instruction info */
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lf_printf (file, "typedef struct _%sitable_instruction_info {\n",
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options.prefix.itable.name);
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lf_printf (file, " %sitable_index nr;\n", options.prefix.itable.name);
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lf_printf (file, " char *format;\n");
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lf_printf (file, " char *form;\n");
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lf_printf (file, " char *flags;\n");
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lf_printf (file, " char flag[nr_%sitable_flags];\n",
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options.prefix.itable.name);
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lf_printf (file, " char *options;\n");
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lf_printf (file, " char option[nr_%sitable_options];\n",
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options.prefix.itable.name);
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lf_printf (file, " char *processors;\n");
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lf_printf (file, " char processor[nr_%sitable_processors];\n",
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options.prefix.itable.name);
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lf_printf (file, " char *name;\n");
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lf_printf (file, " char *file;\n");
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lf_printf (file, " int line_nr;\n");
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lf_printf (file, "} %sitable_info;\n", options.prefix.itable.name);
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lf_printf (file, "\n");
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lf_printf (file, "extern %sitable_info %sitable[nr_%sitable_entries];\n",
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options.prefix.itable.name, options.prefix.itable.name,
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options.prefix.itable.name);
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if (strlen (options.prefix.itable.name) > 0)
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{
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lf_indent_suppress (file);
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lf_printf (file, "#define itable %sitable\n",
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options.prefix.itable.name);
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}
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}
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/****************************************************************/
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static void
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itable_print_set (lf *file,
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filter *set,
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filter *members)
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{
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char *elem;
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lf_printf (file, "\"");
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elem = filter_next (members, "");
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if (elem != NULL)
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{
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while (1)
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{
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lf_printf (file, "%s", elem);
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elem = filter_next (members, elem);
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if (elem == NULL)
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break;
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lf_printf (file, ",");
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}
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}
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lf_printf (file, "\",\n");
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lf_printf(file, "{");
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for (elem = filter_next (set, "");
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elem != NULL;
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elem = filter_next (set, elem))
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{
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if (filter_is_member (members, elem))
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{
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lf_printf (file, " 1,");
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}
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else
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{
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lf_printf (file, " 0,");
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}
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}
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lf_printf(file, " },\n");
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}
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static void
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itable_c_insn (lf *file,
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insn_table *isa,
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insn_entry *instruction,
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void *data)
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{
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lf_printf (file, "{ ");
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lf_indent (file, +2);
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print_function_name (file,
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instruction->name,
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instruction->format_name,
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NULL,
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NULL,
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function_name_prefix_itable);
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lf_printf (file, ",\n");
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lf_printf (file, "\"");
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print_insn_words (file, instruction);
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lf_printf (file, "\",\n");
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lf_printf (file, "\"%s\",\n", instruction->format_name);
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itable_print_set (file, isa->flags, instruction->flags);
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itable_print_set (file, isa->options, instruction->options);
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itable_print_set (file, isa->model->processors, instruction->processors);
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lf_printf(file, "\"%s\",\n", instruction->name);
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lf_printf(file, "\"%s\",\n",
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filter_filename (instruction->line->file_name));
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lf_printf(file, "%d,\n", instruction->line->line_nr);
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lf_printf(file, "},\n");
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lf_indent (file, -2);
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}
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extern void
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gen_itable_c (lf *file,
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insn_table *isa)
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{
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/* leader */
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lf_printf(file, "#include \"%sitable.h\"\n", options.prefix.itable.name);
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lf_printf(file, "\n");
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/* FIXME - output model data??? */
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/* FIXME - output assembler data??? */
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/* output the table that contains the actual instruction info */
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lf_printf(file, "%sitable_info %sitable[nr_%sitable_entries] = {\n",
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options.prefix.itable.name,
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options.prefix.itable.name,
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options.prefix.itable.name);
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insn_table_traverse_insn (file, isa, itable_c_insn, NULL);
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lf_printf(file, "};\n");
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}
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