306 lines
9.1 KiB
C
306 lines
9.1 KiB
C
/* The IGEN simulator generator for GDB, the GNU Debugger.
|
|
|
|
Copyright 2002 Free Software Foundation, Inc.
|
|
|
|
Contributed by Andrew Cagney.
|
|
|
|
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 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-decode.h"
|
|
|
|
#include "gen.h"
|
|
|
|
#include "gen-itable.h"
|
|
|
|
#ifndef NULL
|
|
#define NULL 0
|
|
#endif
|
|
|
|
|
|
|
|
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)
|
|
{
|
|
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);
|
|
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)
|
|
{
|
|
char *elem;
|
|
lf_printf (file, "typedef enum {\n");
|
|
lf_indent (file, +2);
|
|
for (elem = filter_next (set, "");
|
|
elem != NULL; elem = filter_next (set, elem))
|
|
{
|
|
lf_printf (file, "%sitable_%s_%s,\n",
|
|
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.module.itable.prefix.l, name, elem);
|
|
}
|
|
}
|
|
lf_printf (file, "nr_%sitable_%ss,\n", options.module.itable.prefix.l,
|
|
name);
|
|
|
|
lf_indent (file, -2);
|
|
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.module.itable.prefix.l, name);
|
|
lf_indent_suppress (file);
|
|
lf_printf (file, "#define nr_itable_%ss nr_%sitable_%ss\n",
|
|
name, options.module.itable.prefix.l, name);
|
|
}
|
|
}
|
|
|
|
/* 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, 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.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");
|
|
|
|
/* 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 + 1];\n",
|
|
options.module.itable.prefix.l);
|
|
lf_printf (file, " char *processors;\n");
|
|
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.module.itable.prefix.l);
|
|
lf_printf (file, "\n");
|
|
lf_printf (file, "extern %sitable_info %sitable[nr_%sitable_entries];\n",
|
|
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.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)
|
|
{
|
|
char *elem;
|
|
lf_printf (file, "\"");
|
|
elem = filter_next (members, "");
|
|
if (elem != NULL)
|
|
{
|
|
while (1)
|
|
{
|
|
lf_printf (file, "%s", elem);
|
|
elem = filter_next (members, elem);
|
|
if (elem == NULL)
|
|
break;
|
|
lf_printf (file, ",");
|
|
}
|
|
}
|
|
lf_printf (file, "\",\n");
|
|
|
|
lf_printf (file, "{");
|
|
for (elem = filter_next (set, "");
|
|
elem != NULL; elem = filter_next (set, elem))
|
|
{
|
|
if (filter_is_member (members, elem))
|
|
{
|
|
lf_printf (file, " 1,");
|
|
}
|
|
else
|
|
{
|
|
lf_printf (file, " 0,");
|
|
}
|
|
|
|
}
|
|
/* 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)
|
|
{
|
|
lf_printf (file, "{ ");
|
|
lf_indent (file, +2);
|
|
print_function_name (file,
|
|
instruction->name,
|
|
instruction->format_name,
|
|
NULL, NULL, function_name_prefix_itable);
|
|
lf_printf (file, ",\n");
|
|
lf_printf (file, "\"");
|
|
print_insn_words (file, instruction);
|
|
lf_printf (file, "\",\n");
|
|
lf_printf (file, "\"%s\",\n", instruction->format_name);
|
|
|
|
itable_print_set (file, isa->flags, instruction->flags);
|
|
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_indent (file, -2);
|
|
}
|
|
|
|
|
|
extern void
|
|
gen_itable_c (lf *file, insn_table *isa)
|
|
{
|
|
/* leader */
|
|
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.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");
|
|
}
|