Subversion Repositories openrisc_2011-10-31

/*  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-cache.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");

}