/* tc-c30.c -- Assembly code for the Texas Instruments TMS320C30
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/* tc-c30.c -- Assembly code for the Texas Instruments TMS320C30
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Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2006, 2007
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Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2006, 2007
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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Contributed by Steven Haworth (steve@pm.cse.rmit.edu.au)
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Contributed by Steven Haworth (steve@pm.cse.rmit.edu.au)
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This file is part of GAS, the GNU Assembler.
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This file is part of GAS, the GNU Assembler.
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GAS is free software; you can redistribute it and/or modify
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GAS 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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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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any later version.
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|
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GAS is distributed in the hope that it will be useful,
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GAS 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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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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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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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You should have received a copy of the GNU General Public License
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along with GAS; see the file COPYING. If not, write to the Free
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along with GAS; see the file COPYING. If not, write to the Free
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Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
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Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
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02110-1301, USA. */
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02110-1301, USA. */
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/* Texas Instruments TMS320C30 machine specific gas.
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/* Texas Instruments TMS320C30 machine specific gas.
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Written by Steven Haworth (steve@pm.cse.rmit.edu.au).
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Written by Steven Haworth (steve@pm.cse.rmit.edu.au).
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Bugs & suggestions are completely welcome. This is free software.
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Bugs & suggestions are completely welcome. This is free software.
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Please help us make it better. */
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Please help us make it better. */
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#include "as.h"
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#include "as.h"
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#include "safe-ctype.h"
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#include "safe-ctype.h"
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#include "opcode/tic30.h"
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#include "opcode/tic30.h"
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|
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/* Put here all non-digit non-letter characters that may occur in an
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/* Put here all non-digit non-letter characters that may occur in an
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operand. */
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operand. */
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static char operand_special_chars[] = "%$-+(,)*._~/<>&^!:[@]";
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static char operand_special_chars[] = "%$-+(,)*._~/<>&^!:[@]";
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static char *ordinal_names[] =
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static char *ordinal_names[] =
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{
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{
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"first", "second", "third", "fourth", "fifth"
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"first", "second", "third", "fourth", "fifth"
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};
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};
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const char comment_chars[] = ";";
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const char comment_chars[] = ";";
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const char line_comment_chars[] = "*";
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const char line_comment_chars[] = "*";
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const char line_separator_chars[] = "";
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const char line_separator_chars[] = "";
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const char *md_shortopts = "";
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const char *md_shortopts = "";
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struct option md_longopts[] =
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struct option md_longopts[] =
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{
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{
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{NULL, no_argument, NULL, 0}
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{NULL, no_argument, NULL, 0}
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};
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};
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size_t md_longopts_size = sizeof (md_longopts);
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size_t md_longopts_size = sizeof (md_longopts);
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|
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/* Chars that mean this number is a floating point constant.
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/* Chars that mean this number is a floating point constant.
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As in 0f12.456
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As in 0f12.456
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or 0d1.2345e12. */
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or 0d1.2345e12. */
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const char FLT_CHARS[] = "fFdDxX";
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const char FLT_CHARS[] = "fFdDxX";
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|
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/* Chars that can be used to separate mant from exp in floating point
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/* Chars that can be used to separate mant from exp in floating point
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nums. */
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nums. */
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const char EXP_CHARS[] = "eE";
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const char EXP_CHARS[] = "eE";
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|
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/* Tables for lexical analysis. */
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/* Tables for lexical analysis. */
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static char opcode_chars[256];
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static char opcode_chars[256];
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static char register_chars[256];
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static char register_chars[256];
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static char operand_chars[256];
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static char operand_chars[256];
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static char space_chars[256];
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static char space_chars[256];
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static char identifier_chars[256];
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static char identifier_chars[256];
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static char digit_chars[256];
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static char digit_chars[256];
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/* Lexical macros. */
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/* Lexical macros. */
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#define is_opcode_char(x) (opcode_chars [(unsigned char) x])
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#define is_opcode_char(x) (opcode_chars [(unsigned char) x])
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#define is_operand_char(x) (operand_chars [(unsigned char) x])
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#define is_operand_char(x) (operand_chars [(unsigned char) x])
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#define is_register_char(x) (register_chars [(unsigned char) x])
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#define is_register_char(x) (register_chars [(unsigned char) x])
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#define is_space_char(x) (space_chars [(unsigned char) x])
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#define is_space_char(x) (space_chars [(unsigned char) x])
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#define is_identifier_char(x) (identifier_chars [(unsigned char) x])
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#define is_identifier_char(x) (identifier_chars [(unsigned char) x])
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#define is_digit_char(x) (digit_chars [(unsigned char) x])
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#define is_digit_char(x) (digit_chars [(unsigned char) x])
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const pseudo_typeS md_pseudo_table[] =
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const pseudo_typeS md_pseudo_table[] =
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{
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{
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{0, 0, 0}
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{0, 0, 0}
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};
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};
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static int ATTRIBUTE_PRINTF_1
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static int ATTRIBUTE_PRINTF_1
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debug (const char *string, ...)
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debug (const char *string, ...)
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{
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{
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if (flag_debug)
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if (flag_debug)
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{
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{
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char str[100];
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char str[100];
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VA_OPEN (argptr, string);
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VA_OPEN (argptr, string);
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VA_FIXEDARG (argptr, const char *, string);
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VA_FIXEDARG (argptr, const char *, string);
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vsprintf (str, string, argptr);
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vsprintf (str, string, argptr);
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VA_CLOSE (argptr);
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VA_CLOSE (argptr);
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if (str[0] == '\0')
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if (str[0] == '\0')
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return (0);
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return (0);
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fputs (str, USE_STDOUT ? stdout : stderr);
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fputs (str, USE_STDOUT ? stdout : stderr);
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return strlen (str);
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return strlen (str);
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}
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}
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else
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else
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return 0;
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return 0;
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}
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}
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/* Hash table for opcode lookup. */
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/* Hash table for opcode lookup. */
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static struct hash_control *op_hash;
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static struct hash_control *op_hash;
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/* Hash table for parallel opcode lookup. */
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/* Hash table for parallel opcode lookup. */
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static struct hash_control *parop_hash;
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static struct hash_control *parop_hash;
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/* Hash table for register lookup. */
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/* Hash table for register lookup. */
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static struct hash_control *reg_hash;
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static struct hash_control *reg_hash;
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/* Hash table for indirect addressing lookup. */
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/* Hash table for indirect addressing lookup. */
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static struct hash_control *ind_hash;
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static struct hash_control *ind_hash;
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void
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void
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md_begin (void)
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md_begin (void)
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{
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{
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const char *hash_err;
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const char *hash_err;
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debug ("In md_begin()\n");
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debug ("In md_begin()\n");
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op_hash = hash_new ();
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op_hash = hash_new ();
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{
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{
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const template *current_optab = tic30_optab;
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const template *current_optab = tic30_optab;
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for (; current_optab < tic30_optab_end; current_optab++)
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for (; current_optab < tic30_optab_end; current_optab++)
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{
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{
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hash_err = hash_insert (op_hash, current_optab->name,
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hash_err = hash_insert (op_hash, current_optab->name,
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(char *) current_optab);
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(char *) current_optab);
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if (hash_err)
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if (hash_err)
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as_fatal ("Internal Error: Can't Hash %s: %s",
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as_fatal ("Internal Error: Can't Hash %s: %s",
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current_optab->name, hash_err);
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current_optab->name, hash_err);
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}
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}
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}
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}
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parop_hash = hash_new ();
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parop_hash = hash_new ();
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|
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{
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{
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const partemplate *current_parop = tic30_paroptab;
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const partemplate *current_parop = tic30_paroptab;
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|
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for (; current_parop < tic30_paroptab_end; current_parop++)
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for (; current_parop < tic30_paroptab_end; current_parop++)
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{
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{
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hash_err = hash_insert (parop_hash, current_parop->name,
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hash_err = hash_insert (parop_hash, current_parop->name,
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(char *) current_parop);
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(char *) current_parop);
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if (hash_err)
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if (hash_err)
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as_fatal ("Internal Error: Can't Hash %s: %s",
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as_fatal ("Internal Error: Can't Hash %s: %s",
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current_parop->name, hash_err);
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current_parop->name, hash_err);
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}
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}
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}
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}
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reg_hash = hash_new ();
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reg_hash = hash_new ();
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|
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{
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{
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const reg *current_reg = tic30_regtab;
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const reg *current_reg = tic30_regtab;
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|
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for (; current_reg < tic30_regtab_end; current_reg++)
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for (; current_reg < tic30_regtab_end; current_reg++)
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{
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{
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hash_err = hash_insert (reg_hash, current_reg->name,
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hash_err = hash_insert (reg_hash, current_reg->name,
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(char *) current_reg);
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(char *) current_reg);
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if (hash_err)
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if (hash_err)
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as_fatal ("Internal Error: Can't Hash %s: %s",
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as_fatal ("Internal Error: Can't Hash %s: %s",
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current_reg->name, hash_err);
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current_reg->name, hash_err);
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}
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}
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}
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}
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ind_hash = hash_new ();
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ind_hash = hash_new ();
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|
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{
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{
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const ind_addr_type *current_ind = tic30_indaddr_tab;
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const ind_addr_type *current_ind = tic30_indaddr_tab;
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|
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for (; current_ind < tic30_indaddrtab_end; current_ind++)
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for (; current_ind < tic30_indaddrtab_end; current_ind++)
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{
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{
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hash_err = hash_insert (ind_hash, current_ind->syntax,
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hash_err = hash_insert (ind_hash, current_ind->syntax,
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(char *) current_ind);
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(char *) current_ind);
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if (hash_err)
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if (hash_err)
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as_fatal ("Internal Error: Can't Hash %s: %s",
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as_fatal ("Internal Error: Can't Hash %s: %s",
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current_ind->syntax, hash_err);
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current_ind->syntax, hash_err);
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}
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}
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}
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}
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|
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/* Fill in lexical tables: opcode_chars, operand_chars, space_chars. */
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/* Fill in lexical tables: opcode_chars, operand_chars, space_chars. */
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{
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{
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int c;
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int c;
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char *p;
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char *p;
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|
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for (c = 0; c < 256; c++)
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for (c = 0; c < 256; c++)
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{
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{
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if (ISLOWER (c) || ISDIGIT (c))
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if (ISLOWER (c) || ISDIGIT (c))
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{
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{
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opcode_chars[c] = c;
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opcode_chars[c] = c;
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register_chars[c] = c;
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register_chars[c] = c;
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}
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}
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else if (ISUPPER (c))
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else if (ISUPPER (c))
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{
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{
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opcode_chars[c] = TOLOWER (c);
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opcode_chars[c] = TOLOWER (c);
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register_chars[c] = opcode_chars[c];
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register_chars[c] = opcode_chars[c];
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}
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}
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else if (c == ')' || c == '(')
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else if (c == ')' || c == '(')
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register_chars[c] = c;
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register_chars[c] = c;
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|
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if (ISUPPER (c) || ISLOWER (c) || ISDIGIT (c))
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if (ISUPPER (c) || ISLOWER (c) || ISDIGIT (c))
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operand_chars[c] = c;
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operand_chars[c] = c;
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|
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if (ISDIGIT (c) || c == '-')
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if (ISDIGIT (c) || c == '-')
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digit_chars[c] = c;
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digit_chars[c] = c;
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|
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if (ISALPHA (c) || c == '_' || c == '.' || ISDIGIT (c))
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if (ISALPHA (c) || c == '_' || c == '.' || ISDIGIT (c))
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identifier_chars[c] = c;
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identifier_chars[c] = c;
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|
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if (c == ' ' || c == '\t')
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if (c == ' ' || c == '\t')
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space_chars[c] = c;
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space_chars[c] = c;
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|
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if (c == '_')
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if (c == '_')
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opcode_chars[c] = c;
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opcode_chars[c] = c;
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}
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}
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for (p = operand_special_chars; *p != '\0'; p++)
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for (p = operand_special_chars; *p != '\0'; p++)
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operand_chars[(unsigned char) *p] = *p;
|
operand_chars[(unsigned char) *p] = *p;
|
}
|
}
|
}
|
}
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|
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/* Address Mode OR values. */
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/* Address Mode OR values. */
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#define AM_Register 0x00000000
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#define AM_Register 0x00000000
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#define AM_Direct 0x00200000
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#define AM_Direct 0x00200000
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#define AM_Indirect 0x00400000
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#define AM_Indirect 0x00400000
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#define AM_Immediate 0x00600000
|
#define AM_Immediate 0x00600000
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#define AM_NotReq 0xFFFFFFFF
|
#define AM_NotReq 0xFFFFFFFF
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|
|
/* PC Relative OR values. */
|
/* PC Relative OR values. */
|
#define PC_Register 0x00000000
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#define PC_Register 0x00000000
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#define PC_Relative 0x02000000
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#define PC_Relative 0x02000000
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
unsigned op_type;
|
unsigned op_type;
|
struct
|
struct
|
{
|
{
|
int resolved;
|
int resolved;
|
unsigned address;
|
unsigned address;
|
char *label;
|
char *label;
|
expressionS direct_expr;
|
expressionS direct_expr;
|
} direct;
|
} direct;
|
struct
|
struct
|
{
|
{
|
unsigned mod;
|
unsigned mod;
|
int ARnum;
|
int ARnum;
|
unsigned char disp;
|
unsigned char disp;
|
} indirect;
|
} indirect;
|
struct
|
struct
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{
|
{
|
unsigned opcode;
|
unsigned opcode;
|
} reg;
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} reg;
|
struct
|
struct
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{
|
{
|
int resolved;
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int resolved;
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int decimal_found;
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int decimal_found;
|
float f_number;
|
float f_number;
|
int s_number;
|
int s_number;
|
unsigned int u_number;
|
unsigned int u_number;
|
char *label;
|
char *label;
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expressionS imm_expr;
|
expressionS imm_expr;
|
} immediate;
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} immediate;
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} operand;
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} operand;
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|
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template *opcode;
|
template *opcode;
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|
|
struct tic30_insn
|
struct tic30_insn
|
{
|
{
|
template *tm; /* Template of current instruction. */
|
template *tm; /* Template of current instruction. */
|
unsigned opcode; /* Final opcode. */
|
unsigned opcode; /* Final opcode. */
|
unsigned int operands; /* Number of given operands. */
|
unsigned int operands; /* Number of given operands. */
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/* Type of operand given in instruction. */
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/* Type of operand given in instruction. */
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operand *operand_type[MAX_OPERANDS];
|
operand *operand_type[MAX_OPERANDS];
|
unsigned addressing_mode; /* Final addressing mode of instruction. */
|
unsigned addressing_mode; /* Final addressing mode of instruction. */
|
};
|
};
|
|
|
struct tic30_insn insn;
|
struct tic30_insn insn;
|
static int found_parallel_insn;
|
static int found_parallel_insn;
|
|
|
static char output_invalid_buf[sizeof (unsigned char) * 2 + 6];
|
static char output_invalid_buf[sizeof (unsigned char) * 2 + 6];
|
|
|
static char *
|
static char *
|
output_invalid (char c)
|
output_invalid (char c)
|
{
|
{
|
if (ISPRINT (c))
|
if (ISPRINT (c))
|
snprintf (output_invalid_buf, sizeof (output_invalid_buf),
|
snprintf (output_invalid_buf, sizeof (output_invalid_buf),
|
"'%c'", c);
|
"'%c'", c);
|
else
|
else
|
snprintf (output_invalid_buf, sizeof (output_invalid_buf),
|
snprintf (output_invalid_buf, sizeof (output_invalid_buf),
|
"(0x%x)", (unsigned char) c);
|
"(0x%x)", (unsigned char) c);
|
return output_invalid_buf;
|
return output_invalid_buf;
|
}
|
}
|
|
|
/* next_line points to the next line after the current instruction
|
/* next_line points to the next line after the current instruction
|
(current_line). Search for the parallel bars, and if found, merge two
|
(current_line). Search for the parallel bars, and if found, merge two
|
lines into internal syntax for a parallel instruction:
|
lines into internal syntax for a parallel instruction:
|
q_[INSN1]_[INSN2] [OPERANDS1] | [OPERANDS2]
|
q_[INSN1]_[INSN2] [OPERANDS1] | [OPERANDS2]
|
By this stage, all comments are scrubbed, and only the bare lines are
|
By this stage, all comments are scrubbed, and only the bare lines are
|
given. */
|
given. */
|
|
|
#define NONE 0
|
#define NONE 0
|
#define START_OPCODE 1
|
#define START_OPCODE 1
|
#define END_OPCODE 2
|
#define END_OPCODE 2
|
#define START_OPERANDS 3
|
#define START_OPERANDS 3
|
#define END_OPERANDS 4
|
#define END_OPERANDS 4
|
|
|
static char *
|
static char *
|
tic30_find_parallel_insn (char *current_line, char *next_line)
|
tic30_find_parallel_insn (char *current_line, char *next_line)
|
{
|
{
|
int found_parallel = 0;
|
int found_parallel = 0;
|
char first_opcode[256];
|
char first_opcode[256];
|
char second_opcode[256];
|
char second_opcode[256];
|
char first_operands[256];
|
char first_operands[256];
|
char second_operands[256];
|
char second_operands[256];
|
char *parallel_insn;
|
char *parallel_insn;
|
|
|
debug ("In tic30_find_parallel_insn()\n");
|
debug ("In tic30_find_parallel_insn()\n");
|
while (!is_end_of_line[(unsigned char) *next_line])
|
while (!is_end_of_line[(unsigned char) *next_line])
|
{
|
{
|
if (*next_line == PARALLEL_SEPARATOR
|
if (*next_line == PARALLEL_SEPARATOR
|
&& *(next_line + 1) == PARALLEL_SEPARATOR)
|
&& *(next_line + 1) == PARALLEL_SEPARATOR)
|
{
|
{
|
found_parallel = 1;
|
found_parallel = 1;
|
next_line++;
|
next_line++;
|
break;
|
break;
|
}
|
}
|
next_line++;
|
next_line++;
|
}
|
}
|
if (!found_parallel)
|
if (!found_parallel)
|
return NULL;
|
return NULL;
|
debug ("Found a parallel instruction\n");
|
debug ("Found a parallel instruction\n");
|
|
|
{
|
{
|
int i;
|
int i;
|
char *opcode, *operands, *line;
|
char *opcode, *operands, *line;
|
|
|
for (i = 0; i < 2; i++)
|
for (i = 0; i < 2; i++)
|
{
|
{
|
if (i == 0)
|
if (i == 0)
|
{
|
{
|
opcode = &first_opcode[0];
|
opcode = &first_opcode[0];
|
operands = &first_operands[0];
|
operands = &first_operands[0];
|
line = current_line;
|
line = current_line;
|
}
|
}
|
else
|
else
|
{
|
{
|
opcode = &second_opcode[0];
|
opcode = &second_opcode[0];
|
operands = &second_operands[0];
|
operands = &second_operands[0];
|
line = next_line;
|
line = next_line;
|
}
|
}
|
|
|
{
|
{
|
int search_status = NONE;
|
int search_status = NONE;
|
int char_ptr = 0;
|
int char_ptr = 0;
|
char c;
|
char c;
|
|
|
while (!is_end_of_line[(unsigned char) (c = *line)])
|
while (!is_end_of_line[(unsigned char) (c = *line)])
|
{
|
{
|
if (is_opcode_char (c) && search_status == NONE)
|
if (is_opcode_char (c) && search_status == NONE)
|
{
|
{
|
opcode[char_ptr++] = TOLOWER (c);
|
opcode[char_ptr++] = TOLOWER (c);
|
search_status = START_OPCODE;
|
search_status = START_OPCODE;
|
}
|
}
|
else if (is_opcode_char (c) && search_status == START_OPCODE)
|
else if (is_opcode_char (c) && search_status == START_OPCODE)
|
opcode[char_ptr++] = TOLOWER (c);
|
opcode[char_ptr++] = TOLOWER (c);
|
else if (!is_opcode_char (c) && search_status == START_OPCODE)
|
else if (!is_opcode_char (c) && search_status == START_OPCODE)
|
{
|
{
|
opcode[char_ptr] = '\0';
|
opcode[char_ptr] = '\0';
|
char_ptr = 0;
|
char_ptr = 0;
|
search_status = END_OPCODE;
|
search_status = END_OPCODE;
|
}
|
}
|
else if (is_operand_char (c) && search_status == START_OPERANDS)
|
else if (is_operand_char (c) && search_status == START_OPERANDS)
|
operands[char_ptr++] = c;
|
operands[char_ptr++] = c;
|
|
|
if (is_operand_char (c) && search_status == END_OPCODE)
|
if (is_operand_char (c) && search_status == END_OPCODE)
|
{
|
{
|
operands[char_ptr++] = c;
|
operands[char_ptr++] = c;
|
search_status = START_OPERANDS;
|
search_status = START_OPERANDS;
|
}
|
}
|
|
|
line++;
|
line++;
|
}
|
}
|
if (search_status != START_OPERANDS)
|
if (search_status != START_OPERANDS)
|
return NULL;
|
return NULL;
|
operands[char_ptr] = '\0';
|
operands[char_ptr] = '\0';
|
}
|
}
|
}
|
}
|
}
|
}
|
parallel_insn = malloc (strlen (first_opcode) + strlen (first_operands)
|
parallel_insn = malloc (strlen (first_opcode) + strlen (first_operands)
|
+ strlen (second_opcode) + strlen (second_operands) + 8);
|
+ strlen (second_opcode) + strlen (second_operands) + 8);
|
sprintf (parallel_insn, "q_%s_%s %s | %s",
|
sprintf (parallel_insn, "q_%s_%s %s | %s",
|
first_opcode, second_opcode,
|
first_opcode, second_opcode,
|
first_operands, second_operands);
|
first_operands, second_operands);
|
debug ("parallel insn = %s\n", parallel_insn);
|
debug ("parallel insn = %s\n", parallel_insn);
|
return parallel_insn;
|
return parallel_insn;
|
}
|
}
|
|
|
#undef NONE
|
#undef NONE
|
#undef START_OPCODE
|
#undef START_OPCODE
|
#undef END_OPCODE
|
#undef END_OPCODE
|
#undef START_OPERANDS
|
#undef START_OPERANDS
|
#undef END_OPERANDS
|
#undef END_OPERANDS
|
|
|
static operand *
|
static operand *
|
tic30_operand (char *token)
|
tic30_operand (char *token)
|
{
|
{
|
unsigned int count;
|
unsigned int count;
|
char ind_buffer[strlen (token)];
|
char ind_buffer[strlen (token)];
|
operand *current_op;
|
operand *current_op;
|
|
|
debug ("In tic30_operand with %s\n", token);
|
debug ("In tic30_operand with %s\n", token);
|
current_op = malloc (sizeof (* current_op));
|
current_op = malloc (sizeof (* current_op));
|
memset (current_op, '\0', sizeof (operand));
|
memset (current_op, '\0', sizeof (operand));
|
|
|
if (*token == DIRECT_REFERENCE)
|
if (*token == DIRECT_REFERENCE)
|
{
|
{
|
char *token_posn = token + 1;
|
char *token_posn = token + 1;
|
int direct_label = 0;
|
int direct_label = 0;
|
|
|
debug ("Found direct reference\n");
|
debug ("Found direct reference\n");
|
while (*token_posn)
|
while (*token_posn)
|
{
|
{
|
if (!is_digit_char (*token_posn))
|
if (!is_digit_char (*token_posn))
|
direct_label = 1;
|
direct_label = 1;
|
token_posn++;
|
token_posn++;
|
}
|
}
|
|
|
if (direct_label)
|
if (direct_label)
|
{
|
{
|
char *save_input_line_pointer;
|
char *save_input_line_pointer;
|
segT retval;
|
segT retval;
|
|
|
debug ("Direct reference is a label\n");
|
debug ("Direct reference is a label\n");
|
current_op->direct.label = token + 1;
|
current_op->direct.label = token + 1;
|
save_input_line_pointer = input_line_pointer;
|
save_input_line_pointer = input_line_pointer;
|
input_line_pointer = token + 1;
|
input_line_pointer = token + 1;
|
debug ("Current input_line_pointer: %s\n", input_line_pointer);
|
debug ("Current input_line_pointer: %s\n", input_line_pointer);
|
retval = expression (¤t_op->direct.direct_expr);
|
retval = expression (¤t_op->direct.direct_expr);
|
|
|
debug ("Expression type: %d\n",
|
debug ("Expression type: %d\n",
|
current_op->direct.direct_expr.X_op);
|
current_op->direct.direct_expr.X_op);
|
debug ("Expression addnum: %ld\n",
|
debug ("Expression addnum: %ld\n",
|
(long) current_op->direct.direct_expr.X_add_number);
|
(long) current_op->direct.direct_expr.X_add_number);
|
debug ("Segment: %p\n", retval);
|
debug ("Segment: %p\n", retval);
|
|
|
input_line_pointer = save_input_line_pointer;
|
input_line_pointer = save_input_line_pointer;
|
|
|
if (current_op->direct.direct_expr.X_op == O_constant)
|
if (current_op->direct.direct_expr.X_op == O_constant)
|
{
|
{
|
current_op->direct.address =
|
current_op->direct.address =
|
current_op->direct.direct_expr.X_add_number;
|
current_op->direct.direct_expr.X_add_number;
|
current_op->direct.resolved = 1;
|
current_op->direct.resolved = 1;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
debug ("Direct reference is a number\n");
|
debug ("Direct reference is a number\n");
|
current_op->direct.address = atoi (token + 1);
|
current_op->direct.address = atoi (token + 1);
|
current_op->direct.resolved = 1;
|
current_op->direct.resolved = 1;
|
}
|
}
|
current_op->op_type = Direct;
|
current_op->op_type = Direct;
|
}
|
}
|
else if (*token == INDIRECT_REFERENCE)
|
else if (*token == INDIRECT_REFERENCE)
|
{
|
{
|
/* Indirect reference operand. */
|
/* Indirect reference operand. */
|
int found_ar = 0;
|
int found_ar = 0;
|
int found_disp = 0;
|
int found_disp = 0;
|
int ar_number = -1;
|
int ar_number = -1;
|
int disp_number = 0;
|
int disp_number = 0;
|
int buffer_posn = 1;
|
int buffer_posn = 1;
|
ind_addr_type *ind_addr_op;
|
ind_addr_type *ind_addr_op;
|
|
|
debug ("Found indirect reference\n");
|
debug ("Found indirect reference\n");
|
ind_buffer[0] = *token;
|
ind_buffer[0] = *token;
|
|
|
for (count = 1; count < strlen (token); count++)
|
for (count = 1; count < strlen (token); count++)
|
{
|
{
|
/* Strip operand. */
|
/* Strip operand. */
|
ind_buffer[buffer_posn] = TOLOWER (*(token + count));
|
ind_buffer[buffer_posn] = TOLOWER (*(token + count));
|
|
|
if ((*(token + count - 1) == 'a' || *(token + count - 1) == 'A')
|
if ((*(token + count - 1) == 'a' || *(token + count - 1) == 'A')
|
&& (*(token + count) == 'r' || *(token + count) == 'R'))
|
&& (*(token + count) == 'r' || *(token + count) == 'R'))
|
{
|
{
|
/* AR reference is found, so get its number and remove
|
/* AR reference is found, so get its number and remove
|
it from the buffer so it can pass through hash_find(). */
|
it from the buffer so it can pass through hash_find(). */
|
if (found_ar)
|
if (found_ar)
|
{
|
{
|
as_bad ("More than one AR register found in indirect reference");
|
as_bad ("More than one AR register found in indirect reference");
|
return NULL;
|
return NULL;
|
}
|
}
|
if (*(token + count + 1) < '0' || *(token + count + 1) > '7')
|
if (*(token + count + 1) < '0' || *(token + count + 1) > '7')
|
{
|
{
|
as_bad ("Illegal AR register in indirect reference");
|
as_bad ("Illegal AR register in indirect reference");
|
return NULL;
|
return NULL;
|
}
|
}
|
ar_number = *(token + count + 1) - '0';
|
ar_number = *(token + count + 1) - '0';
|
found_ar = 1;
|
found_ar = 1;
|
count++;
|
count++;
|
}
|
}
|
|
|
if (*(token + count) == '(')
|
if (*(token + count) == '(')
|
{
|
{
|
/* Parenthesis found, so check if a displacement value is
|
/* Parenthesis found, so check if a displacement value is
|
inside. If so, get the value and remove it from the
|
inside. If so, get the value and remove it from the
|
buffer. */
|
buffer. */
|
if (is_digit_char (*(token + count + 1)))
|
if (is_digit_char (*(token + count + 1)))
|
{
|
{
|
char disp[10];
|
char disp[10];
|
int disp_posn = 0;
|
int disp_posn = 0;
|
|
|
if (found_disp)
|
if (found_disp)
|
{
|
{
|
as_bad ("More than one displacement found in indirect reference");
|
as_bad ("More than one displacement found in indirect reference");
|
return NULL;
|
return NULL;
|
}
|
}
|
count++;
|
count++;
|
while (*(token + count) != ')')
|
while (*(token + count) != ')')
|
{
|
{
|
if (!is_digit_char (*(token + count)))
|
if (!is_digit_char (*(token + count)))
|
{
|
{
|
as_bad ("Invalid displacement in indirect reference");
|
as_bad ("Invalid displacement in indirect reference");
|
return NULL;
|
return NULL;
|
}
|
}
|
disp[disp_posn++] = *(token + (count++));
|
disp[disp_posn++] = *(token + (count++));
|
}
|
}
|
disp[disp_posn] = '\0';
|
disp[disp_posn] = '\0';
|
disp_number = atoi (disp);
|
disp_number = atoi (disp);
|
count--;
|
count--;
|
found_disp = 1;
|
found_disp = 1;
|
}
|
}
|
}
|
}
|
buffer_posn++;
|
buffer_posn++;
|
}
|
}
|
|
|
ind_buffer[buffer_posn] = '\0';
|
ind_buffer[buffer_posn] = '\0';
|
if (!found_ar)
|
if (!found_ar)
|
{
|
{
|
as_bad ("AR register not found in indirect reference");
|
as_bad ("AR register not found in indirect reference");
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
ind_addr_op = (ind_addr_type *) hash_find (ind_hash, ind_buffer);
|
ind_addr_op = (ind_addr_type *) hash_find (ind_hash, ind_buffer);
|
if (ind_addr_op)
|
if (ind_addr_op)
|
{
|
{
|
debug ("Found indirect reference: %s\n", ind_addr_op->syntax);
|
debug ("Found indirect reference: %s\n", ind_addr_op->syntax);
|
if (ind_addr_op->displacement == IMPLIED_DISP)
|
if (ind_addr_op->displacement == IMPLIED_DISP)
|
{
|
{
|
found_disp = 1;
|
found_disp = 1;
|
disp_number = 1;
|
disp_number = 1;
|
}
|
}
|
else if ((ind_addr_op->displacement == DISP_REQUIRED) && !found_disp)
|
else if ((ind_addr_op->displacement == DISP_REQUIRED) && !found_disp)
|
{
|
{
|
/* Maybe an implied displacement of 1 again. */
|
/* Maybe an implied displacement of 1 again. */
|
as_bad ("required displacement wasn't given in indirect reference");
|
as_bad ("required displacement wasn't given in indirect reference");
|
return 0;
|
return 0;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
as_bad ("illegal indirect reference");
|
as_bad ("illegal indirect reference");
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
if (found_disp && (disp_number < 0 || disp_number > 255))
|
if (found_disp && (disp_number < 0 || disp_number > 255))
|
{
|
{
|
as_bad ("displacement must be an unsigned 8-bit number");
|
as_bad ("displacement must be an unsigned 8-bit number");
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
current_op->indirect.mod = ind_addr_op->modfield;
|
current_op->indirect.mod = ind_addr_op->modfield;
|
current_op->indirect.disp = disp_number;
|
current_op->indirect.disp = disp_number;
|
current_op->indirect.ARnum = ar_number;
|
current_op->indirect.ARnum = ar_number;
|
current_op->op_type = Indirect;
|
current_op->op_type = Indirect;
|
}
|
}
|
else
|
else
|
{
|
{
|
reg *regop = (reg *) hash_find (reg_hash, token);
|
reg *regop = (reg *) hash_find (reg_hash, token);
|
|
|
if (regop)
|
if (regop)
|
{
|
{
|
debug ("Found register operand: %s\n", regop->name);
|
debug ("Found register operand: %s\n", regop->name);
|
if (regop->regtype == REG_ARn)
|
if (regop->regtype == REG_ARn)
|
current_op->op_type = ARn;
|
current_op->op_type = ARn;
|
else if (regop->regtype == REG_Rn)
|
else if (regop->regtype == REG_Rn)
|
current_op->op_type = Rn;
|
current_op->op_type = Rn;
|
else if (regop->regtype == REG_DP)
|
else if (regop->regtype == REG_DP)
|
current_op->op_type = DPReg;
|
current_op->op_type = DPReg;
|
else
|
else
|
current_op->op_type = OtherReg;
|
current_op->op_type = OtherReg;
|
current_op->reg.opcode = regop->opcode;
|
current_op->reg.opcode = regop->opcode;
|
}
|
}
|
else
|
else
|
{
|
{
|
if (!is_digit_char (*token)
|
if (!is_digit_char (*token)
|
|| *(token + 1) == 'x'
|
|| *(token + 1) == 'x'
|
|| strchr (token, 'h'))
|
|| strchr (token, 'h'))
|
{
|
{
|
char *save_input_line_pointer;
|
char *save_input_line_pointer;
|
segT retval;
|
segT retval;
|
|
|
debug ("Probably a label: %s\n", token);
|
debug ("Probably a label: %s\n", token);
|
current_op->immediate.label = malloc (strlen (token) + 1);
|
current_op->immediate.label = malloc (strlen (token) + 1);
|
strcpy (current_op->immediate.label, token);
|
strcpy (current_op->immediate.label, token);
|
current_op->immediate.label[strlen (token)] = '\0';
|
current_op->immediate.label[strlen (token)] = '\0';
|
save_input_line_pointer = input_line_pointer;
|
save_input_line_pointer = input_line_pointer;
|
input_line_pointer = token;
|
input_line_pointer = token;
|
|
|
debug ("Current input_line_pointer: %s\n", input_line_pointer);
|
debug ("Current input_line_pointer: %s\n", input_line_pointer);
|
retval = expression (¤t_op->immediate.imm_expr);
|
retval = expression (¤t_op->immediate.imm_expr);
|
debug ("Expression type: %d\n",
|
debug ("Expression type: %d\n",
|
current_op->immediate.imm_expr.X_op);
|
current_op->immediate.imm_expr.X_op);
|
debug ("Expression addnum: %ld\n",
|
debug ("Expression addnum: %ld\n",
|
(long) current_op->immediate.imm_expr.X_add_number);
|
(long) current_op->immediate.imm_expr.X_add_number);
|
debug ("Segment: %p\n", retval);
|
debug ("Segment: %p\n", retval);
|
input_line_pointer = save_input_line_pointer;
|
input_line_pointer = save_input_line_pointer;
|
|
|
if (current_op->immediate.imm_expr.X_op == O_constant)
|
if (current_op->immediate.imm_expr.X_op == O_constant)
|
{
|
{
|
current_op->immediate.s_number
|
current_op->immediate.s_number
|
= current_op->immediate.imm_expr.X_add_number;
|
= current_op->immediate.imm_expr.X_add_number;
|
current_op->immediate.u_number
|
current_op->immediate.u_number
|
= (unsigned int) current_op->immediate.imm_expr.X_add_number;
|
= (unsigned int) current_op->immediate.imm_expr.X_add_number;
|
current_op->immediate.resolved = 1;
|
current_op->immediate.resolved = 1;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
unsigned count;
|
unsigned count;
|
|
|
debug ("Found a number or displacement\n");
|
debug ("Found a number or displacement\n");
|
for (count = 0; count < strlen (token); count++)
|
for (count = 0; count < strlen (token); count++)
|
if (*(token + count) == '.')
|
if (*(token + count) == '.')
|
current_op->immediate.decimal_found = 1;
|
current_op->immediate.decimal_found = 1;
|
current_op->immediate.label = malloc (strlen (token) + 1);
|
current_op->immediate.label = malloc (strlen (token) + 1);
|
strcpy (current_op->immediate.label, token);
|
strcpy (current_op->immediate.label, token);
|
current_op->immediate.label[strlen (token)] = '\0';
|
current_op->immediate.label[strlen (token)] = '\0';
|
current_op->immediate.f_number = (float) atof (token);
|
current_op->immediate.f_number = (float) atof (token);
|
current_op->immediate.s_number = (int) atoi (token);
|
current_op->immediate.s_number = (int) atoi (token);
|
current_op->immediate.u_number = (unsigned int) atoi (token);
|
current_op->immediate.u_number = (unsigned int) atoi (token);
|
current_op->immediate.resolved = 1;
|
current_op->immediate.resolved = 1;
|
}
|
}
|
current_op->op_type = Disp | Abs24 | Imm16 | Imm24;
|
current_op->op_type = Disp | Abs24 | Imm16 | Imm24;
|
if (current_op->immediate.u_number <= 31)
|
if (current_op->immediate.u_number <= 31)
|
current_op->op_type |= IVector;
|
current_op->op_type |= IVector;
|
}
|
}
|
}
|
}
|
return current_op;
|
return current_op;
|
}
|
}
|
|
|
struct tic30_par_insn
|
struct tic30_par_insn
|
{
|
{
|
partemplate *tm; /* Template of current parallel instruction. */
|
partemplate *tm; /* Template of current parallel instruction. */
|
unsigned operands[2]; /* Number of given operands for each insn. */
|
unsigned operands[2]; /* Number of given operands for each insn. */
|
/* Type of operand given in instruction. */
|
/* Type of operand given in instruction. */
|
operand *operand_type[2][MAX_OPERANDS];
|
operand *operand_type[2][MAX_OPERANDS];
|
int swap_operands; /* Whether to swap operands around. */
|
int swap_operands; /* Whether to swap operands around. */
|
unsigned p_field; /* Value of p field in multiply add/sub instructions. */
|
unsigned p_field; /* Value of p field in multiply add/sub instructions. */
|
unsigned opcode; /* Final opcode. */
|
unsigned opcode; /* Final opcode. */
|
};
|
};
|
|
|
struct tic30_par_insn p_insn;
|
struct tic30_par_insn p_insn;
|
|
|
static int
|
static int
|
tic30_parallel_insn (char *token)
|
tic30_parallel_insn (char *token)
|
{
|
{
|
static partemplate *p_opcode;
|
static partemplate *p_opcode;
|
char *current_posn = token;
|
char *current_posn = token;
|
char *token_start;
|
char *token_start;
|
char save_char;
|
char save_char;
|
|
|
debug ("In tic30_parallel_insn with %s\n", token);
|
debug ("In tic30_parallel_insn with %s\n", token);
|
memset (&p_insn, '\0', sizeof (p_insn));
|
memset (&p_insn, '\0', sizeof (p_insn));
|
|
|
while (is_opcode_char (*current_posn))
|
while (is_opcode_char (*current_posn))
|
current_posn++;
|
current_posn++;
|
{
|
{
|
/* Find instruction. */
|
/* Find instruction. */
|
save_char = *current_posn;
|
save_char = *current_posn;
|
*current_posn = '\0';
|
*current_posn = '\0';
|
p_opcode = (partemplate *) hash_find (parop_hash, token);
|
p_opcode = (partemplate *) hash_find (parop_hash, token);
|
if (p_opcode)
|
if (p_opcode)
|
{
|
{
|
debug ("Found instruction %s\n", p_opcode->name);
|
debug ("Found instruction %s\n", p_opcode->name);
|
p_insn.tm = p_opcode;
|
p_insn.tm = p_opcode;
|
}
|
}
|
else
|
else
|
{
|
{
|
char first_opcode[6] = {0};
|
char first_opcode[6] = {0};
|
char second_opcode[6] = {0};
|
char second_opcode[6] = {0};
|
unsigned int i;
|
unsigned int i;
|
int current_opcode = -1;
|
int current_opcode = -1;
|
int char_ptr = 0;
|
int char_ptr = 0;
|
|
|
for (i = 0; i < strlen (token); i++)
|
for (i = 0; i < strlen (token); i++)
|
{
|
{
|
char ch = *(token + i);
|
char ch = *(token + i);
|
|
|
if (ch == '_' && current_opcode == -1)
|
if (ch == '_' && current_opcode == -1)
|
{
|
{
|
current_opcode = 0;
|
current_opcode = 0;
|
continue;
|
continue;
|
}
|
}
|
|
|
if (ch == '_' && current_opcode == 0)
|
if (ch == '_' && current_opcode == 0)
|
{
|
{
|
current_opcode = 1;
|
current_opcode = 1;
|
char_ptr = 0;
|
char_ptr = 0;
|
continue;
|
continue;
|
}
|
}
|
|
|
switch (current_opcode)
|
switch (current_opcode)
|
{
|
{
|
case 0:
|
case 0:
|
first_opcode[char_ptr++] = ch;
|
first_opcode[char_ptr++] = ch;
|
break;
|
break;
|
case 1:
|
case 1:
|
second_opcode[char_ptr++] = ch;
|
second_opcode[char_ptr++] = ch;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
debug ("first_opcode = %s\n", first_opcode);
|
debug ("first_opcode = %s\n", first_opcode);
|
debug ("second_opcode = %s\n", second_opcode);
|
debug ("second_opcode = %s\n", second_opcode);
|
sprintf (token, "q_%s_%s", second_opcode, first_opcode);
|
sprintf (token, "q_%s_%s", second_opcode, first_opcode);
|
p_opcode = (partemplate *) hash_find (parop_hash, token);
|
p_opcode = (partemplate *) hash_find (parop_hash, token);
|
|
|
if (p_opcode)
|
if (p_opcode)
|
{
|
{
|
debug ("Found instruction %s\n", p_opcode->name);
|
debug ("Found instruction %s\n", p_opcode->name);
|
p_insn.tm = p_opcode;
|
p_insn.tm = p_opcode;
|
p_insn.swap_operands = 1;
|
p_insn.swap_operands = 1;
|
}
|
}
|
else
|
else
|
return 0;
|
return 0;
|
}
|
}
|
*current_posn = save_char;
|
*current_posn = save_char;
|
}
|
}
|
|
|
{
|
{
|
/* Find operands. */
|
/* Find operands. */
|
int paren_not_balanced;
|
int paren_not_balanced;
|
int expecting_operand = 0;
|
int expecting_operand = 0;
|
int found_separator = 0;
|
int found_separator = 0;
|
|
|
do
|
do
|
{
|
{
|
/* Skip optional white space before operand. */
|
/* Skip optional white space before operand. */
|
while (!is_operand_char (*current_posn)
|
while (!is_operand_char (*current_posn)
|
&& *current_posn != END_OF_INSN)
|
&& *current_posn != END_OF_INSN)
|
{
|
{
|
if (!is_space_char (*current_posn)
|
if (!is_space_char (*current_posn)
|
&& *current_posn != PARALLEL_SEPARATOR)
|
&& *current_posn != PARALLEL_SEPARATOR)
|
{
|
{
|
as_bad ("Invalid character %s before %s operand",
|
as_bad ("Invalid character %s before %s operand",
|
output_invalid (*current_posn),
|
output_invalid (*current_posn),
|
ordinal_names[insn.operands]);
|
ordinal_names[insn.operands]);
|
return 1;
|
return 1;
|
}
|
}
|
if (*current_posn == PARALLEL_SEPARATOR)
|
if (*current_posn == PARALLEL_SEPARATOR)
|
found_separator = 1;
|
found_separator = 1;
|
current_posn++;
|
current_posn++;
|
}
|
}
|
|
|
token_start = current_posn;
|
token_start = current_posn;
|
paren_not_balanced = 0;
|
paren_not_balanced = 0;
|
|
|
while (paren_not_balanced || *current_posn != ',')
|
while (paren_not_balanced || *current_posn != ',')
|
{
|
{
|
if (*current_posn == END_OF_INSN)
|
if (*current_posn == END_OF_INSN)
|
{
|
{
|
if (paren_not_balanced)
|
if (paren_not_balanced)
|
{
|
{
|
as_bad ("Unbalanced parenthesis in %s operand.",
|
as_bad ("Unbalanced parenthesis in %s operand.",
|
ordinal_names[insn.operands]);
|
ordinal_names[insn.operands]);
|
return 1;
|
return 1;
|
}
|
}
|
else
|
else
|
break;
|
break;
|
}
|
}
|
else if (*current_posn == PARALLEL_SEPARATOR)
|
else if (*current_posn == PARALLEL_SEPARATOR)
|
{
|
{
|
while (is_space_char (*(current_posn - 1)))
|
while (is_space_char (*(current_posn - 1)))
|
current_posn--;
|
current_posn--;
|
break;
|
break;
|
}
|
}
|
else if (!is_operand_char (*current_posn)
|
else if (!is_operand_char (*current_posn)
|
&& !is_space_char (*current_posn))
|
&& !is_space_char (*current_posn))
|
{
|
{
|
as_bad ("Invalid character %s in %s operand",
|
as_bad ("Invalid character %s in %s operand",
|
output_invalid (*current_posn),
|
output_invalid (*current_posn),
|
ordinal_names[insn.operands]);
|
ordinal_names[insn.operands]);
|
return 1;
|
return 1;
|
}
|
}
|
|
|
if (*current_posn == '(')
|
if (*current_posn == '(')
|
++paren_not_balanced;
|
++paren_not_balanced;
|
if (*current_posn == ')')
|
if (*current_posn == ')')
|
--paren_not_balanced;
|
--paren_not_balanced;
|
current_posn++;
|
current_posn++;
|
}
|
}
|
|
|
if (current_posn != token_start)
|
if (current_posn != token_start)
|
{
|
{
|
/* Yes, we've read in another operand. */
|
/* Yes, we've read in another operand. */
|
p_insn.operands[found_separator]++;
|
p_insn.operands[found_separator]++;
|
if (p_insn.operands[found_separator] > MAX_OPERANDS)
|
if (p_insn.operands[found_separator] > MAX_OPERANDS)
|
{
|
{
|
as_bad ("Spurious operands; (%d operands/instruction max)",
|
as_bad ("Spurious operands; (%d operands/instruction max)",
|
MAX_OPERANDS);
|
MAX_OPERANDS);
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* Now parse operand adding info to 'insn' as we go along. */
|
/* Now parse operand adding info to 'insn' as we go along. */
|
save_char = *current_posn;
|
save_char = *current_posn;
|
*current_posn = '\0';
|
*current_posn = '\0';
|
p_insn.operand_type[found_separator][p_insn.operands[found_separator] - 1] =
|
p_insn.operand_type[found_separator][p_insn.operands[found_separator] - 1] =
|
tic30_operand (token_start);
|
tic30_operand (token_start);
|
*current_posn = save_char;
|
*current_posn = save_char;
|
if (!p_insn.operand_type[found_separator][p_insn.operands[found_separator] - 1])
|
if (!p_insn.operand_type[found_separator][p_insn.operands[found_separator] - 1])
|
return 1;
|
return 1;
|
}
|
}
|
else
|
else
|
{
|
{
|
if (expecting_operand)
|
if (expecting_operand)
|
{
|
{
|
as_bad ("Expecting operand after ','; got nothing");
|
as_bad ("Expecting operand after ','; got nothing");
|
return 1;
|
return 1;
|
}
|
}
|
if (*current_posn == ',')
|
if (*current_posn == ',')
|
{
|
{
|
as_bad ("Expecting operand before ','; got nothing");
|
as_bad ("Expecting operand before ','; got nothing");
|
return 1;
|
return 1;
|
}
|
}
|
}
|
}
|
|
|
/* Now *current_posn must be either ',' or END_OF_INSN. */
|
/* Now *current_posn must be either ',' or END_OF_INSN. */
|
if (*current_posn == ',')
|
if (*current_posn == ',')
|
{
|
{
|
if (*++current_posn == END_OF_INSN)
|
if (*++current_posn == END_OF_INSN)
|
{
|
{
|
/* Just skip it, if it's \n complain. */
|
/* Just skip it, if it's \n complain. */
|
as_bad ("Expecting operand after ','; got nothing");
|
as_bad ("Expecting operand after ','; got nothing");
|
return 1;
|
return 1;
|
}
|
}
|
expecting_operand = 1;
|
expecting_operand = 1;
|
}
|
}
|
}
|
}
|
while (*current_posn != END_OF_INSN);
|
while (*current_posn != END_OF_INSN);
|
}
|
}
|
|
|
if (p_insn.swap_operands)
|
if (p_insn.swap_operands)
|
{
|
{
|
int temp_num, i;
|
int temp_num, i;
|
operand *temp_op;
|
operand *temp_op;
|
|
|
temp_num = p_insn.operands[0];
|
temp_num = p_insn.operands[0];
|
p_insn.operands[0] = p_insn.operands[1];
|
p_insn.operands[0] = p_insn.operands[1];
|
p_insn.operands[1] = temp_num;
|
p_insn.operands[1] = temp_num;
|
for (i = 0; i < MAX_OPERANDS; i++)
|
for (i = 0; i < MAX_OPERANDS; i++)
|
{
|
{
|
temp_op = p_insn.operand_type[0][i];
|
temp_op = p_insn.operand_type[0][i];
|
p_insn.operand_type[0][i] = p_insn.operand_type[1][i];
|
p_insn.operand_type[0][i] = p_insn.operand_type[1][i];
|
p_insn.operand_type[1][i] = temp_op;
|
p_insn.operand_type[1][i] = temp_op;
|
}
|
}
|
}
|
}
|
|
|
if (p_insn.operands[0] != p_insn.tm->operands_1)
|
if (p_insn.operands[0] != p_insn.tm->operands_1)
|
{
|
{
|
as_bad ("incorrect number of operands given in the first instruction");
|
as_bad ("incorrect number of operands given in the first instruction");
|
return 1;
|
return 1;
|
}
|
}
|
|
|
if (p_insn.operands[1] != p_insn.tm->operands_2)
|
if (p_insn.operands[1] != p_insn.tm->operands_2)
|
{
|
{
|
as_bad ("incorrect number of operands given in the second instruction");
|
as_bad ("incorrect number of operands given in the second instruction");
|
return 1;
|
return 1;
|
}
|
}
|
|
|
debug ("Number of operands in first insn: %d\n", p_insn.operands[0]);
|
debug ("Number of operands in first insn: %d\n", p_insn.operands[0]);
|
debug ("Number of operands in second insn: %d\n", p_insn.operands[1]);
|
debug ("Number of operands in second insn: %d\n", p_insn.operands[1]);
|
|
|
{
|
{
|
/* Now check if operands are correct. */
|
/* Now check if operands are correct. */
|
int count;
|
int count;
|
int num_rn = 0;
|
int num_rn = 0;
|
int num_ind = 0;
|
int num_ind = 0;
|
|
|
for (count = 0; count < 2; count++)
|
for (count = 0; count < 2; count++)
|
{
|
{
|
unsigned int i;
|
unsigned int i;
|
for (i = 0; i < p_insn.operands[count]; i++)
|
for (i = 0; i < p_insn.operands[count]; i++)
|
{
|
{
|
if ((p_insn.operand_type[count][i]->op_type &
|
if ((p_insn.operand_type[count][i]->op_type &
|
p_insn.tm->operand_types[count][i]) == 0)
|
p_insn.tm->operand_types[count][i]) == 0)
|
{
|
{
|
as_bad ("%s instruction, operand %d doesn't match",
|
as_bad ("%s instruction, operand %d doesn't match",
|
ordinal_names[count], i + 1);
|
ordinal_names[count], i + 1);
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* Get number of R register and indirect reference contained
|
/* Get number of R register and indirect reference contained
|
within the first two operands of each instruction. This is
|
within the first two operands of each instruction. This is
|
required for the multiply parallel instructions which require
|
required for the multiply parallel instructions which require
|
two R registers and two indirect references, but not in any
|
two R registers and two indirect references, but not in any
|
particular place. */
|
particular place. */
|
if ((p_insn.operand_type[count][i]->op_type & Rn) && i < 2)
|
if ((p_insn.operand_type[count][i]->op_type & Rn) && i < 2)
|
num_rn++;
|
num_rn++;
|
else if ((p_insn.operand_type[count][i]->op_type & Indirect)
|
else if ((p_insn.operand_type[count][i]->op_type & Indirect)
|
&& i < 2)
|
&& i < 2)
|
num_ind++;
|
num_ind++;
|
}
|
}
|
}
|
}
|
|
|
if ((p_insn.tm->operand_types[0][0] & (Indirect | Rn))
|
if ((p_insn.tm->operand_types[0][0] & (Indirect | Rn))
|
== (Indirect | Rn))
|
== (Indirect | Rn))
|
{
|
{
|
/* Check for the multiply instructions. */
|
/* Check for the multiply instructions. */
|
if (num_rn != 2)
|
if (num_rn != 2)
|
{
|
{
|
as_bad ("incorrect format for multiply parallel instruction");
|
as_bad ("incorrect format for multiply parallel instruction");
|
return 1;
|
return 1;
|
}
|
}
|
|
|
if (num_ind != 2)
|
if (num_ind != 2)
|
{
|
{
|
/* Shouldn't get here. */
|
/* Shouldn't get here. */
|
as_bad ("incorrect format for multiply parallel instruction");
|
as_bad ("incorrect format for multiply parallel instruction");
|
return 1;
|
return 1;
|
}
|
}
|
|
|
if ((p_insn.operand_type[0][2]->reg.opcode != 0x00)
|
if ((p_insn.operand_type[0][2]->reg.opcode != 0x00)
|
&& (p_insn.operand_type[0][2]->reg.opcode != 0x01))
|
&& (p_insn.operand_type[0][2]->reg.opcode != 0x01))
|
{
|
{
|
as_bad ("destination for multiply can only be R0 or R1");
|
as_bad ("destination for multiply can only be R0 or R1");
|
return 1;
|
return 1;
|
}
|
}
|
|
|
if ((p_insn.operand_type[1][2]->reg.opcode != 0x02)
|
if ((p_insn.operand_type[1][2]->reg.opcode != 0x02)
|
&& (p_insn.operand_type[1][2]->reg.opcode != 0x03))
|
&& (p_insn.operand_type[1][2]->reg.opcode != 0x03))
|
{
|
{
|
as_bad ("destination for add/subtract can only be R2 or R3");
|
as_bad ("destination for add/subtract can only be R2 or R3");
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* Now determine the P field for the instruction. */
|
/* Now determine the P field for the instruction. */
|
if (p_insn.operand_type[0][0]->op_type & Indirect)
|
if (p_insn.operand_type[0][0]->op_type & Indirect)
|
{
|
{
|
if (p_insn.operand_type[0][1]->op_type & Indirect)
|
if (p_insn.operand_type[0][1]->op_type & Indirect)
|
p_insn.p_field = 0x00000000; /* Ind * Ind, Rn +/- Rn. */
|
p_insn.p_field = 0x00000000; /* Ind * Ind, Rn +/- Rn. */
|
else if (p_insn.operand_type[1][0]->op_type & Indirect)
|
else if (p_insn.operand_type[1][0]->op_type & Indirect)
|
p_insn.p_field = 0x01000000; /* Ind * Rn, Ind +/- Rn. */
|
p_insn.p_field = 0x01000000; /* Ind * Rn, Ind +/- Rn. */
|
else
|
else
|
p_insn.p_field = 0x03000000; /* Ind * Rn, Rn +/- Ind. */
|
p_insn.p_field = 0x03000000; /* Ind * Rn, Rn +/- Ind. */
|
}
|
}
|
else
|
else
|
{
|
{
|
if (p_insn.operand_type[0][1]->op_type & Rn)
|
if (p_insn.operand_type[0][1]->op_type & Rn)
|
p_insn.p_field = 0x02000000; /* Rn * Rn, Ind +/- Ind. */
|
p_insn.p_field = 0x02000000; /* Rn * Rn, Ind +/- Ind. */
|
else if (p_insn.operand_type[1][0]->op_type & Indirect)
|
else if (p_insn.operand_type[1][0]->op_type & Indirect)
|
{
|
{
|
operand *temp;
|
operand *temp;
|
p_insn.p_field = 0x01000000; /* Rn * Ind, Ind +/- Rn. */
|
p_insn.p_field = 0x01000000; /* Rn * Ind, Ind +/- Rn. */
|
/* Need to swap the two multiply operands around so that
|
/* Need to swap the two multiply operands around so that
|
everything is in its place for the opcode makeup.
|
everything is in its place for the opcode makeup.
|
ie so Ind * Rn, Ind +/- Rn. */
|
ie so Ind * Rn, Ind +/- Rn. */
|
temp = p_insn.operand_type[0][0];
|
temp = p_insn.operand_type[0][0];
|
p_insn.operand_type[0][0] = p_insn.operand_type[0][1];
|
p_insn.operand_type[0][0] = p_insn.operand_type[0][1];
|
p_insn.operand_type[0][1] = temp;
|
p_insn.operand_type[0][1] = temp;
|
}
|
}
|
else
|
else
|
{
|
{
|
operand *temp;
|
operand *temp;
|
p_insn.p_field = 0x03000000; /* Rn * Ind, Rn +/- Ind. */
|
p_insn.p_field = 0x03000000; /* Rn * Ind, Rn +/- Ind. */
|
temp = p_insn.operand_type[0][0];
|
temp = p_insn.operand_type[0][0];
|
p_insn.operand_type[0][0] = p_insn.operand_type[0][1];
|
p_insn.operand_type[0][0] = p_insn.operand_type[0][1];
|
p_insn.operand_type[0][1] = temp;
|
p_insn.operand_type[0][1] = temp;
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
debug ("P field: %08X\n", p_insn.p_field);
|
debug ("P field: %08X\n", p_insn.p_field);
|
|
|
/* Finalise opcode. This is easier for parallel instructions as they have
|
/* Finalise opcode. This is easier for parallel instructions as they have
|
to be fully resolved, there are no memory addresses allowed, except
|
to be fully resolved, there are no memory addresses allowed, except
|
through indirect addressing, so there are no labels to resolve. */
|
through indirect addressing, so there are no labels to resolve. */
|
p_insn.opcode = p_insn.tm->base_opcode;
|
p_insn.opcode = p_insn.tm->base_opcode;
|
|
|
switch (p_insn.tm->oporder)
|
switch (p_insn.tm->oporder)
|
{
|
{
|
case OO_4op1:
|
case OO_4op1:
|
p_insn.opcode |= (p_insn.operand_type[0][0]->indirect.ARnum);
|
p_insn.opcode |= (p_insn.operand_type[0][0]->indirect.ARnum);
|
p_insn.opcode |= (p_insn.operand_type[0][0]->indirect.mod << 3);
|
p_insn.opcode |= (p_insn.operand_type[0][0]->indirect.mod << 3);
|
p_insn.opcode |= (p_insn.operand_type[1][1]->indirect.ARnum << 8);
|
p_insn.opcode |= (p_insn.operand_type[1][1]->indirect.ARnum << 8);
|
p_insn.opcode |= (p_insn.operand_type[1][1]->indirect.mod << 11);
|
p_insn.opcode |= (p_insn.operand_type[1][1]->indirect.mod << 11);
|
p_insn.opcode |= (p_insn.operand_type[1][0]->reg.opcode << 16);
|
p_insn.opcode |= (p_insn.operand_type[1][0]->reg.opcode << 16);
|
p_insn.opcode |= (p_insn.operand_type[0][1]->reg.opcode << 22);
|
p_insn.opcode |= (p_insn.operand_type[0][1]->reg.opcode << 22);
|
break;
|
break;
|
|
|
case OO_4op2:
|
case OO_4op2:
|
p_insn.opcode |= (p_insn.operand_type[0][0]->indirect.ARnum);
|
p_insn.opcode |= (p_insn.operand_type[0][0]->indirect.ARnum);
|
p_insn.opcode |= (p_insn.operand_type[0][0]->indirect.mod << 3);
|
p_insn.opcode |= (p_insn.operand_type[0][0]->indirect.mod << 3);
|
p_insn.opcode |= (p_insn.operand_type[1][0]->indirect.ARnum << 8);
|
p_insn.opcode |= (p_insn.operand_type[1][0]->indirect.ARnum << 8);
|
p_insn.opcode |= (p_insn.operand_type[1][0]->indirect.mod << 11);
|
p_insn.opcode |= (p_insn.operand_type[1][0]->indirect.mod << 11);
|
p_insn.opcode |= (p_insn.operand_type[1][1]->reg.opcode << 19);
|
p_insn.opcode |= (p_insn.operand_type[1][1]->reg.opcode << 19);
|
p_insn.opcode |= (p_insn.operand_type[0][1]->reg.opcode << 22);
|
p_insn.opcode |= (p_insn.operand_type[0][1]->reg.opcode << 22);
|
if (p_insn.operand_type[1][1]->reg.opcode == p_insn.operand_type[0][1]->reg.opcode)
|
if (p_insn.operand_type[1][1]->reg.opcode == p_insn.operand_type[0][1]->reg.opcode)
|
as_warn ("loading the same register in parallel operation");
|
as_warn ("loading the same register in parallel operation");
|
break;
|
break;
|
|
|
case OO_4op3:
|
case OO_4op3:
|
p_insn.opcode |= (p_insn.operand_type[0][1]->indirect.ARnum);
|
p_insn.opcode |= (p_insn.operand_type[0][1]->indirect.ARnum);
|
p_insn.opcode |= (p_insn.operand_type[0][1]->indirect.mod << 3);
|
p_insn.opcode |= (p_insn.operand_type[0][1]->indirect.mod << 3);
|
p_insn.opcode |= (p_insn.operand_type[1][1]->indirect.ARnum << 8);
|
p_insn.opcode |= (p_insn.operand_type[1][1]->indirect.ARnum << 8);
|
p_insn.opcode |= (p_insn.operand_type[1][1]->indirect.mod << 11);
|
p_insn.opcode |= (p_insn.operand_type[1][1]->indirect.mod << 11);
|
p_insn.opcode |= (p_insn.operand_type[1][0]->reg.opcode << 16);
|
p_insn.opcode |= (p_insn.operand_type[1][0]->reg.opcode << 16);
|
p_insn.opcode |= (p_insn.operand_type[0][0]->reg.opcode << 22);
|
p_insn.opcode |= (p_insn.operand_type[0][0]->reg.opcode << 22);
|
break;
|
break;
|
|
|
case OO_5op1:
|
case OO_5op1:
|
p_insn.opcode |= (p_insn.operand_type[0][0]->indirect.ARnum);
|
p_insn.opcode |= (p_insn.operand_type[0][0]->indirect.ARnum);
|
p_insn.opcode |= (p_insn.operand_type[0][0]->indirect.mod << 3);
|
p_insn.opcode |= (p_insn.operand_type[0][0]->indirect.mod << 3);
|
p_insn.opcode |= (p_insn.operand_type[1][1]->indirect.ARnum << 8);
|
p_insn.opcode |= (p_insn.operand_type[1][1]->indirect.ARnum << 8);
|
p_insn.opcode |= (p_insn.operand_type[1][1]->indirect.mod << 11);
|
p_insn.opcode |= (p_insn.operand_type[1][1]->indirect.mod << 11);
|
p_insn.opcode |= (p_insn.operand_type[1][0]->reg.opcode << 16);
|
p_insn.opcode |= (p_insn.operand_type[1][0]->reg.opcode << 16);
|
p_insn.opcode |= (p_insn.operand_type[0][1]->reg.opcode << 19);
|
p_insn.opcode |= (p_insn.operand_type[0][1]->reg.opcode << 19);
|
p_insn.opcode |= (p_insn.operand_type[0][2]->reg.opcode << 22);
|
p_insn.opcode |= (p_insn.operand_type[0][2]->reg.opcode << 22);
|
break;
|
break;
|
|
|
case OO_5op2:
|
case OO_5op2:
|
p_insn.opcode |= (p_insn.operand_type[0][1]->indirect.ARnum);
|
p_insn.opcode |= (p_insn.operand_type[0][1]->indirect.ARnum);
|
p_insn.opcode |= (p_insn.operand_type[0][1]->indirect.mod << 3);
|
p_insn.opcode |= (p_insn.operand_type[0][1]->indirect.mod << 3);
|
p_insn.opcode |= (p_insn.operand_type[1][1]->indirect.ARnum << 8);
|
p_insn.opcode |= (p_insn.operand_type[1][1]->indirect.ARnum << 8);
|
p_insn.opcode |= (p_insn.operand_type[1][1]->indirect.mod << 11);
|
p_insn.opcode |= (p_insn.operand_type[1][1]->indirect.mod << 11);
|
p_insn.opcode |= (p_insn.operand_type[1][0]->reg.opcode << 16);
|
p_insn.opcode |= (p_insn.operand_type[1][0]->reg.opcode << 16);
|
p_insn.opcode |= (p_insn.operand_type[0][0]->reg.opcode << 19);
|
p_insn.opcode |= (p_insn.operand_type[0][0]->reg.opcode << 19);
|
p_insn.opcode |= (p_insn.operand_type[0][2]->reg.opcode << 22);
|
p_insn.opcode |= (p_insn.operand_type[0][2]->reg.opcode << 22);
|
break;
|
break;
|
|
|
case OO_PField:
|
case OO_PField:
|
p_insn.opcode |= p_insn.p_field;
|
p_insn.opcode |= p_insn.p_field;
|
if (p_insn.operand_type[0][2]->reg.opcode == 0x01)
|
if (p_insn.operand_type[0][2]->reg.opcode == 0x01)
|
p_insn.opcode |= 0x00800000;
|
p_insn.opcode |= 0x00800000;
|
if (p_insn.operand_type[1][2]->reg.opcode == 0x03)
|
if (p_insn.operand_type[1][2]->reg.opcode == 0x03)
|
p_insn.opcode |= 0x00400000;
|
p_insn.opcode |= 0x00400000;
|
|
|
switch (p_insn.p_field)
|
switch (p_insn.p_field)
|
{
|
{
|
case 0x00000000:
|
case 0x00000000:
|
p_insn.opcode |= (p_insn.operand_type[0][1]->indirect.ARnum);
|
p_insn.opcode |= (p_insn.operand_type[0][1]->indirect.ARnum);
|
p_insn.opcode |= (p_insn.operand_type[0][1]->indirect.mod << 3);
|
p_insn.opcode |= (p_insn.operand_type[0][1]->indirect.mod << 3);
|
p_insn.opcode |= (p_insn.operand_type[0][0]->indirect.ARnum << 8);
|
p_insn.opcode |= (p_insn.operand_type[0][0]->indirect.ARnum << 8);
|
p_insn.opcode |= (p_insn.operand_type[0][0]->indirect.mod << 11);
|
p_insn.opcode |= (p_insn.operand_type[0][0]->indirect.mod << 11);
|
p_insn.opcode |= (p_insn.operand_type[1][1]->reg.opcode << 16);
|
p_insn.opcode |= (p_insn.operand_type[1][1]->reg.opcode << 16);
|
p_insn.opcode |= (p_insn.operand_type[1][0]->reg.opcode << 19);
|
p_insn.opcode |= (p_insn.operand_type[1][0]->reg.opcode << 19);
|
break;
|
break;
|
case 0x01000000:
|
case 0x01000000:
|
p_insn.opcode |= (p_insn.operand_type[1][0]->indirect.ARnum);
|
p_insn.opcode |= (p_insn.operand_type[1][0]->indirect.ARnum);
|
p_insn.opcode |= (p_insn.operand_type[1][0]->indirect.mod << 3);
|
p_insn.opcode |= (p_insn.operand_type[1][0]->indirect.mod << 3);
|
p_insn.opcode |= (p_insn.operand_type[0][0]->indirect.ARnum << 8);
|
p_insn.opcode |= (p_insn.operand_type[0][0]->indirect.ARnum << 8);
|
p_insn.opcode |= (p_insn.operand_type[0][0]->indirect.mod << 11);
|
p_insn.opcode |= (p_insn.operand_type[0][0]->indirect.mod << 11);
|
p_insn.opcode |= (p_insn.operand_type[1][1]->reg.opcode << 16);
|
p_insn.opcode |= (p_insn.operand_type[1][1]->reg.opcode << 16);
|
p_insn.opcode |= (p_insn.operand_type[0][1]->reg.opcode << 19);
|
p_insn.opcode |= (p_insn.operand_type[0][1]->reg.opcode << 19);
|
break;
|
break;
|
case 0x02000000:
|
case 0x02000000:
|
p_insn.opcode |= (p_insn.operand_type[1][1]->indirect.ARnum);
|
p_insn.opcode |= (p_insn.operand_type[1][1]->indirect.ARnum);
|
p_insn.opcode |= (p_insn.operand_type[1][1]->indirect.mod << 3);
|
p_insn.opcode |= (p_insn.operand_type[1][1]->indirect.mod << 3);
|
p_insn.opcode |= (p_insn.operand_type[1][0]->indirect.ARnum << 8);
|
p_insn.opcode |= (p_insn.operand_type[1][0]->indirect.ARnum << 8);
|
p_insn.opcode |= (p_insn.operand_type[1][0]->indirect.mod << 11);
|
p_insn.opcode |= (p_insn.operand_type[1][0]->indirect.mod << 11);
|
p_insn.opcode |= (p_insn.operand_type[0][1]->reg.opcode << 16);
|
p_insn.opcode |= (p_insn.operand_type[0][1]->reg.opcode << 16);
|
p_insn.opcode |= (p_insn.operand_type[0][0]->reg.opcode << 19);
|
p_insn.opcode |= (p_insn.operand_type[0][0]->reg.opcode << 19);
|
break;
|
break;
|
case 0x03000000:
|
case 0x03000000:
|
p_insn.opcode |= (p_insn.operand_type[1][1]->indirect.ARnum);
|
p_insn.opcode |= (p_insn.operand_type[1][1]->indirect.ARnum);
|
p_insn.opcode |= (p_insn.operand_type[1][1]->indirect.mod << 3);
|
p_insn.opcode |= (p_insn.operand_type[1][1]->indirect.mod << 3);
|
p_insn.opcode |= (p_insn.operand_type[0][0]->indirect.ARnum << 8);
|
p_insn.opcode |= (p_insn.operand_type[0][0]->indirect.ARnum << 8);
|
p_insn.opcode |= (p_insn.operand_type[0][0]->indirect.mod << 11);
|
p_insn.opcode |= (p_insn.operand_type[0][0]->indirect.mod << 11);
|
p_insn.opcode |= (p_insn.operand_type[1][0]->reg.opcode << 16);
|
p_insn.opcode |= (p_insn.operand_type[1][0]->reg.opcode << 16);
|
p_insn.opcode |= (p_insn.operand_type[0][1]->reg.opcode << 19);
|
p_insn.opcode |= (p_insn.operand_type[0][1]->reg.opcode << 19);
|
break;
|
break;
|
}
|
}
|
break;
|
break;
|
}
|
}
|
|
|
{
|
{
|
char *p;
|
char *p;
|
|
|
p = frag_more (INSN_SIZE);
|
p = frag_more (INSN_SIZE);
|
md_number_to_chars (p, (valueT) p_insn.opcode, INSN_SIZE);
|
md_number_to_chars (p, (valueT) p_insn.opcode, INSN_SIZE);
|
}
|
}
|
|
|
{
|
{
|
unsigned int i, j;
|
unsigned int i, j;
|
|
|
for (i = 0; i < 2; i++)
|
for (i = 0; i < 2; i++)
|
for (j = 0; j < p_insn.operands[i]; j++)
|
for (j = 0; j < p_insn.operands[i]; j++)
|
free (p_insn.operand_type[i][j]);
|
free (p_insn.operand_type[i][j]);
|
}
|
}
|
|
|
debug ("Final opcode: %08X\n", p_insn.opcode);
|
debug ("Final opcode: %08X\n", p_insn.opcode);
|
debug ("\n");
|
debug ("\n");
|
|
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* In order to get gas to ignore any | chars at the start of a line,
|
/* In order to get gas to ignore any | chars at the start of a line,
|
this function returns true if a | is found in a line. */
|
this function returns true if a | is found in a line. */
|
|
|
int
|
int
|
tic30_unrecognized_line (int c)
|
tic30_unrecognized_line (int c)
|
{
|
{
|
debug ("In tc_unrecognized_line\n");
|
debug ("In tc_unrecognized_line\n");
|
return (c == PARALLEL_SEPARATOR);
|
return (c == PARALLEL_SEPARATOR);
|
}
|
}
|
|
|
int
|
int
|
md_estimate_size_before_relax (fragS *fragP ATTRIBUTE_UNUSED,
|
md_estimate_size_before_relax (fragS *fragP ATTRIBUTE_UNUSED,
|
segT segment ATTRIBUTE_UNUSED)
|
segT segment ATTRIBUTE_UNUSED)
|
{
|
{
|
debug ("In md_estimate_size_before_relax()\n");
|
debug ("In md_estimate_size_before_relax()\n");
|
return 0;
|
return 0;
|
}
|
}
|
|
|
void
|
void
|
md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED,
|
md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED,
|
segT sec ATTRIBUTE_UNUSED,
|
segT sec ATTRIBUTE_UNUSED,
|
register fragS *fragP ATTRIBUTE_UNUSED)
|
register fragS *fragP ATTRIBUTE_UNUSED)
|
{
|
{
|
debug ("In md_convert_frag()\n");
|
debug ("In md_convert_frag()\n");
|
}
|
}
|
|
|
void
|
void
|
md_apply_fix (fixS *fixP,
|
md_apply_fix (fixS *fixP,
|
valueT *valP,
|
valueT *valP,
|
segT seg ATTRIBUTE_UNUSED)
|
segT seg ATTRIBUTE_UNUSED)
|
{
|
{
|
valueT value = *valP;
|
valueT value = *valP;
|
|
|
debug ("In md_apply_fix() with value = %ld\n", (long) value);
|
debug ("In md_apply_fix() with value = %ld\n", (long) value);
|
debug ("Values in fixP\n");
|
debug ("Values in fixP\n");
|
debug ("fx_size = %d\n", fixP->fx_size);
|
debug ("fx_size = %d\n", fixP->fx_size);
|
debug ("fx_pcrel = %d\n", fixP->fx_pcrel);
|
debug ("fx_pcrel = %d\n", fixP->fx_pcrel);
|
debug ("fx_where = %ld\n", fixP->fx_where);
|
debug ("fx_where = %ld\n", fixP->fx_where);
|
debug ("fx_offset = %d\n", (int) fixP->fx_offset);
|
debug ("fx_offset = %d\n", (int) fixP->fx_offset);
|
{
|
{
|
char *buf = fixP->fx_frag->fr_literal + fixP->fx_where;
|
char *buf = fixP->fx_frag->fr_literal + fixP->fx_where;
|
|
|
value /= INSN_SIZE;
|
value /= INSN_SIZE;
|
if (fixP->fx_size == 1)
|
if (fixP->fx_size == 1)
|
/* Special fix for LDP instruction. */
|
/* Special fix for LDP instruction. */
|
value = (value & 0x00FF0000) >> 16;
|
value = (value & 0x00FF0000) >> 16;
|
|
|
debug ("new value = %ld\n", (long) value);
|
debug ("new value = %ld\n", (long) value);
|
md_number_to_chars (buf, value, fixP->fx_size);
|
md_number_to_chars (buf, value, fixP->fx_size);
|
}
|
}
|
|
|
if (fixP->fx_addsy == NULL && fixP->fx_pcrel == 0)
|
if (fixP->fx_addsy == NULL && fixP->fx_pcrel == 0)
|
fixP->fx_done = 1;
|
fixP->fx_done = 1;
|
}
|
}
|
|
|
int
|
int
|
md_parse_option (int c ATTRIBUTE_UNUSED,
|
md_parse_option (int c ATTRIBUTE_UNUSED,
|
char *arg ATTRIBUTE_UNUSED)
|
char *arg ATTRIBUTE_UNUSED)
|
{
|
{
|
debug ("In md_parse_option()\n");
|
debug ("In md_parse_option()\n");
|
return 0;
|
return 0;
|
}
|
}
|
|
|
void
|
void
|
md_show_usage (FILE *stream ATTRIBUTE_UNUSED)
|
md_show_usage (FILE *stream ATTRIBUTE_UNUSED)
|
{
|
{
|
debug ("In md_show_usage()\n");
|
debug ("In md_show_usage()\n");
|
}
|
}
|
|
|
symbolS *
|
symbolS *
|
md_undefined_symbol (char *name ATTRIBUTE_UNUSED)
|
md_undefined_symbol (char *name ATTRIBUTE_UNUSED)
|
{
|
{
|
debug ("In md_undefined_symbol()\n");
|
debug ("In md_undefined_symbol()\n");
|
return (symbolS *) 0;
|
return (symbolS *) 0;
|
}
|
}
|
|
|
valueT
|
valueT
|
md_section_align (segT segment, valueT size)
|
md_section_align (segT segment, valueT size)
|
{
|
{
|
debug ("In md_section_align() segment = %p and size = %lu\n",
|
debug ("In md_section_align() segment = %p and size = %lu\n",
|
segment, (unsigned long) size);
|
segment, (unsigned long) size);
|
size = (size + 3) / 4;
|
size = (size + 3) / 4;
|
size *= 4;
|
size *= 4;
|
debug ("New size value = %lu\n", (unsigned long) size);
|
debug ("New size value = %lu\n", (unsigned long) size);
|
return size;
|
return size;
|
}
|
}
|
|
|
long
|
long
|
md_pcrel_from (fixS *fixP)
|
md_pcrel_from (fixS *fixP)
|
{
|
{
|
int offset;
|
int offset;
|
|
|
debug ("In md_pcrel_from()\n");
|
debug ("In md_pcrel_from()\n");
|
debug ("fx_where = %ld\n", fixP->fx_where);
|
debug ("fx_where = %ld\n", fixP->fx_where);
|
debug ("fx_size = %d\n", fixP->fx_size);
|
debug ("fx_size = %d\n", fixP->fx_size);
|
/* Find the opcode that represents the current instruction in the
|
/* Find the opcode that represents the current instruction in the
|
fr_literal storage area, and check bit 21. Bit 21 contains whether the
|
fr_literal storage area, and check bit 21. Bit 21 contains whether the
|
current instruction is a delayed one or not, and then set the offset
|
current instruction is a delayed one or not, and then set the offset
|
value appropriately. */
|
value appropriately. */
|
if (fixP->fx_frag->fr_literal[fixP->fx_where - fixP->fx_size + 1] & 0x20)
|
if (fixP->fx_frag->fr_literal[fixP->fx_where - fixP->fx_size + 1] & 0x20)
|
offset = 3;
|
offset = 3;
|
else
|
else
|
offset = 1;
|
offset = 1;
|
debug ("offset = %d\n", offset);
|
debug ("offset = %d\n", offset);
|
/* PC Relative instructions have a format:
|
/* PC Relative instructions have a format:
|
displacement = Label - (PC + offset)
|
displacement = Label - (PC + offset)
|
This function returns PC + offset where:
|
This function returns PC + offset where:
|
fx_where - fx_size = PC
|
fx_where - fx_size = PC
|
INSN_SIZE * offset = offset number of instructions. */
|
INSN_SIZE * offset = offset number of instructions. */
|
return fixP->fx_where - fixP->fx_size + (INSN_SIZE * offset);
|
return fixP->fx_where - fixP->fx_size + (INSN_SIZE * offset);
|
}
|
}
|
|
|
char *
|
char *
|
md_atof (int what_statement_type,
|
md_atof (int what_statement_type,
|
char *literalP,
|
char *literalP,
|
int *sizeP)
|
int *sizeP)
|
{
|
{
|
int prec;
|
int prec;
|
char *token;
|
char *token;
|
char keepval;
|
char keepval;
|
unsigned long value;
|
unsigned long value;
|
float float_value;
|
float float_value;
|
|
|
debug ("In md_atof()\n");
|
debug ("In md_atof()\n");
|
debug ("precision = %c\n", what_statement_type);
|
debug ("precision = %c\n", what_statement_type);
|
debug ("literal = %s\n", literalP);
|
debug ("literal = %s\n", literalP);
|
debug ("line = ");
|
debug ("line = ");
|
token = input_line_pointer;
|
token = input_line_pointer;
|
while (!is_end_of_line[(unsigned char) *input_line_pointer]
|
while (!is_end_of_line[(unsigned char) *input_line_pointer]
|
&& (*input_line_pointer != ','))
|
&& (*input_line_pointer != ','))
|
{
|
{
|
debug ("%c", *input_line_pointer);
|
debug ("%c", *input_line_pointer);
|
input_line_pointer++;
|
input_line_pointer++;
|
}
|
}
|
|
|
keepval = *input_line_pointer;
|
keepval = *input_line_pointer;
|
*input_line_pointer = '\0';
|
*input_line_pointer = '\0';
|
debug ("\n");
|
debug ("\n");
|
float_value = (float) atof (token);
|
float_value = (float) atof (token);
|
*input_line_pointer = keepval;
|
*input_line_pointer = keepval;
|
debug ("float_value = %f\n", float_value);
|
debug ("float_value = %f\n", float_value);
|
|
|
switch (what_statement_type)
|
switch (what_statement_type)
|
{
|
{
|
case 'f':
|
case 'f':
|
case 'F':
|
case 'F':
|
case 's':
|
case 's':
|
case 'S':
|
case 'S':
|
prec = 2;
|
prec = 2;
|
break;
|
break;
|
|
|
case 'd':
|
case 'd':
|
case 'D':
|
case 'D':
|
case 'r':
|
case 'r':
|
case 'R':
|
case 'R':
|
prec = 4;
|
prec = 4;
|
break;
|
break;
|
|
|
default:
|
default:
|
*sizeP = 0;
|
*sizeP = 0;
|
return _("Unrecognized or unsupported floating point constant");
|
return _("Unrecognized or unsupported floating point constant");
|
}
|
}
|
|
|
if (float_value == 0.0)
|
if (float_value == 0.0)
|
value = (prec == 2) ? 0x00008000L : 0x80000000L;
|
value = (prec == 2) ? 0x00008000L : 0x80000000L;
|
else
|
else
|
{
|
{
|
unsigned long exp, sign, mant, tmsfloat;
|
unsigned long exp, sign, mant, tmsfloat;
|
union
|
union
|
{
|
{
|
float f;
|
float f;
|
long l;
|
long l;
|
}
|
}
|
converter;
|
converter;
|
|
|
converter.f = float_value;
|
converter.f = float_value;
|
tmsfloat = converter.l;
|
tmsfloat = converter.l;
|
sign = tmsfloat & 0x80000000;
|
sign = tmsfloat & 0x80000000;
|
mant = tmsfloat & 0x007FFFFF;
|
mant = tmsfloat & 0x007FFFFF;
|
exp = tmsfloat & 0x7F800000;
|
exp = tmsfloat & 0x7F800000;
|
exp <<= 1;
|
exp <<= 1;
|
if (exp == 0xFF000000)
|
if (exp == 0xFF000000)
|
{
|
{
|
if (mant == 0)
|
if (mant == 0)
|
value = 0x7F7FFFFF;
|
value = 0x7F7FFFFF;
|
else if (sign == 0)
|
else if (sign == 0)
|
value = 0x7F7FFFFF;
|
value = 0x7F7FFFFF;
|
else
|
else
|
value = 0x7F800000;
|
value = 0x7F800000;
|
}
|
}
|
else
|
else
|
{
|
{
|
exp -= 0x7F000000;
|
exp -= 0x7F000000;
|
if (sign)
|
if (sign)
|
{
|
{
|
mant = mant & 0x007FFFFF;
|
mant = mant & 0x007FFFFF;
|
mant = -mant;
|
mant = -mant;
|
mant = mant & 0x00FFFFFF;
|
mant = mant & 0x00FFFFFF;
|
if (mant == 0)
|
if (mant == 0)
|
{
|
{
|
mant |= 0x00800000;
|
mant |= 0x00800000;
|
exp = (long) exp - 0x01000000;
|
exp = (long) exp - 0x01000000;
|
}
|
}
|
}
|
}
|
tmsfloat = exp | mant;
|
tmsfloat = exp | mant;
|
value = tmsfloat;
|
value = tmsfloat;
|
}
|
}
|
if (prec == 2)
|
if (prec == 2)
|
{
|
{
|
long exp, mant;
|
long exp, mant;
|
|
|
if (tmsfloat == 0x80000000)
|
if (tmsfloat == 0x80000000)
|
value = 0x8000;
|
value = 0x8000;
|
else
|
else
|
{
|
{
|
value = 0;
|
value = 0;
|
exp = (tmsfloat & 0xFF000000);
|
exp = (tmsfloat & 0xFF000000);
|
exp >>= 24;
|
exp >>= 24;
|
mant = tmsfloat & 0x007FFFFF;
|
mant = tmsfloat & 0x007FFFFF;
|
if (tmsfloat & 0x00800000)
|
if (tmsfloat & 0x00800000)
|
{
|
{
|
mant |= 0xFF000000;
|
mant |= 0xFF000000;
|
mant += 0x00000800;
|
mant += 0x00000800;
|
mant >>= 12;
|
mant >>= 12;
|
mant |= 0x00000800;
|
mant |= 0x00000800;
|
mant &= 0x0FFF;
|
mant &= 0x0FFF;
|
if (exp > 7)
|
if (exp > 7)
|
value = 0x7800;
|
value = 0x7800;
|
}
|
}
|
else
|
else
|
{
|
{
|
mant |= 0x00800000;
|
mant |= 0x00800000;
|
mant += 0x00000800;
|
mant += 0x00000800;
|
exp += (mant >> 24);
|
exp += (mant >> 24);
|
mant >>= 12;
|
mant >>= 12;
|
mant &= 0x07FF;
|
mant &= 0x07FF;
|
if (exp > 7)
|
if (exp > 7)
|
value = 0x77FF;
|
value = 0x77FF;
|
}
|
}
|
if (exp < -8)
|
if (exp < -8)
|
value = 0x8000;
|
value = 0x8000;
|
if (value == 0)
|
if (value == 0)
|
{
|
{
|
mant = (exp << 12) | mant;
|
mant = (exp << 12) | mant;
|
value = mant & 0xFFFF;
|
value = mant & 0xFFFF;
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
md_number_to_chars (literalP, value, prec);
|
md_number_to_chars (literalP, value, prec);
|
*sizeP = prec;
|
*sizeP = prec;
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
void
|
void
|
md_number_to_chars (char *buf, valueT val, int n)
|
md_number_to_chars (char *buf, valueT val, int n)
|
{
|
{
|
debug ("In md_number_to_chars()\n");
|
debug ("In md_number_to_chars()\n");
|
number_to_chars_bigendian (buf, val, n);
|
number_to_chars_bigendian (buf, val, n);
|
}
|
}
|
|
|
#define F(SZ,PCREL) (((SZ) << 1) + (PCREL))
|
#define F(SZ,PCREL) (((SZ) << 1) + (PCREL))
|
#define MAP(SZ,PCREL,TYPE) case F(SZ,PCREL): code = (TYPE); break
|
#define MAP(SZ,PCREL,TYPE) case F(SZ,PCREL): code = (TYPE); break
|
|
|
arelent *
|
arelent *
|
tc_gen_reloc (asection *section ATTRIBUTE_UNUSED, fixS *fixP)
|
tc_gen_reloc (asection *section ATTRIBUTE_UNUSED, fixS *fixP)
|
{
|
{
|
arelent *rel;
|
arelent *rel;
|
bfd_reloc_code_real_type code = 0;
|
bfd_reloc_code_real_type code = 0;
|
|
|
debug ("In tc_gen_reloc()\n");
|
debug ("In tc_gen_reloc()\n");
|
debug ("fixP.size = %d\n", fixP->fx_size);
|
debug ("fixP.size = %d\n", fixP->fx_size);
|
debug ("fixP.pcrel = %d\n", fixP->fx_pcrel);
|
debug ("fixP.pcrel = %d\n", fixP->fx_pcrel);
|
debug ("addsy.name = %s\n", S_GET_NAME (fixP->fx_addsy));
|
debug ("addsy.name = %s\n", S_GET_NAME (fixP->fx_addsy));
|
|
|
switch (F (fixP->fx_size, fixP->fx_pcrel))
|
switch (F (fixP->fx_size, fixP->fx_pcrel))
|
{
|
{
|
MAP (1, 0, BFD_RELOC_TIC30_LDP);
|
MAP (1, 0, BFD_RELOC_TIC30_LDP);
|
MAP (2, 0, BFD_RELOC_16);
|
MAP (2, 0, BFD_RELOC_16);
|
MAP (3, 0, BFD_RELOC_24);
|
MAP (3, 0, BFD_RELOC_24);
|
MAP (2, 1, BFD_RELOC_16_PCREL);
|
MAP (2, 1, BFD_RELOC_16_PCREL);
|
MAP (4, 0, BFD_RELOC_32);
|
MAP (4, 0, BFD_RELOC_32);
|
default:
|
default:
|
as_bad ("Can not do %d byte %srelocation", fixP->fx_size,
|
as_bad ("Can not do %d byte %srelocation", fixP->fx_size,
|
fixP->fx_pcrel ? "pc-relative " : "");
|
fixP->fx_pcrel ? "pc-relative " : "");
|
}
|
}
|
#undef MAP
|
#undef MAP
|
#undef F
|
#undef F
|
|
|
rel = xmalloc (sizeof (* rel));
|
rel = xmalloc (sizeof (* rel));
|
assert (rel != 0);
|
assert (rel != 0);
|
rel->sym_ptr_ptr = xmalloc (sizeof (asymbol *));
|
rel->sym_ptr_ptr = xmalloc (sizeof (asymbol *));
|
*rel->sym_ptr_ptr = symbol_get_bfdsym (fixP->fx_addsy);
|
*rel->sym_ptr_ptr = symbol_get_bfdsym (fixP->fx_addsy);
|
rel->address = fixP->fx_frag->fr_address + fixP->fx_where;
|
rel->address = fixP->fx_frag->fr_address + fixP->fx_where;
|
rel->addend = 0;
|
rel->addend = 0;
|
rel->howto = bfd_reloc_type_lookup (stdoutput, code);
|
rel->howto = bfd_reloc_type_lookup (stdoutput, code);
|
if (!rel->howto)
|
if (!rel->howto)
|
{
|
{
|
const char *name;
|
const char *name;
|
|
|
name = S_GET_NAME (fixP->fx_addsy);
|
name = S_GET_NAME (fixP->fx_addsy);
|
if (name == NULL)
|
if (name == NULL)
|
name = "<unknown>";
|
name = "<unknown>";
|
as_fatal ("Cannot generate relocation type for symbol %s, code %s",
|
as_fatal ("Cannot generate relocation type for symbol %s, code %s",
|
name, bfd_get_reloc_code_name (code));
|
name, bfd_get_reloc_code_name (code));
|
}
|
}
|
return rel;
|
return rel;
|
}
|
}
|
|
|
void
|
void
|
md_operand (expressionS *expressionP ATTRIBUTE_UNUSED)
|
md_operand (expressionS *expressionP ATTRIBUTE_UNUSED)
|
{
|
{
|
debug ("In md_operand()\n");
|
debug ("In md_operand()\n");
|
}
|
}
|
|
|
void
|
void
|
md_assemble (char *line)
|
md_assemble (char *line)
|
{
|
{
|
template *opcode;
|
template *opcode;
|
char *current_posn;
|
char *current_posn;
|
char *token_start;
|
char *token_start;
|
char save_char;
|
char save_char;
|
unsigned int count;
|
unsigned int count;
|
|
|
debug ("In md_assemble() with argument %s\n", line);
|
debug ("In md_assemble() with argument %s\n", line);
|
memset (&insn, '\0', sizeof (insn));
|
memset (&insn, '\0', sizeof (insn));
|
if (found_parallel_insn)
|
if (found_parallel_insn)
|
{
|
{
|
debug ("Line is second part of parallel instruction\n\n");
|
debug ("Line is second part of parallel instruction\n\n");
|
found_parallel_insn = 0;
|
found_parallel_insn = 0;
|
return;
|
return;
|
}
|
}
|
if ((current_posn =
|
if ((current_posn =
|
tic30_find_parallel_insn (line, input_line_pointer + 1)) == NULL)
|
tic30_find_parallel_insn (line, input_line_pointer + 1)) == NULL)
|
current_posn = line;
|
current_posn = line;
|
else
|
else
|
found_parallel_insn = 1;
|
found_parallel_insn = 1;
|
|
|
while (is_space_char (*current_posn))
|
while (is_space_char (*current_posn))
|
current_posn++;
|
current_posn++;
|
|
|
token_start = current_posn;
|
token_start = current_posn;
|
|
|
if (!is_opcode_char (*current_posn))
|
if (!is_opcode_char (*current_posn))
|
{
|
{
|
as_bad ("Invalid character %s in opcode",
|
as_bad ("Invalid character %s in opcode",
|
output_invalid (*current_posn));
|
output_invalid (*current_posn));
|
return;
|
return;
|
}
|
}
|
/* Check if instruction is a parallel instruction
|
/* Check if instruction is a parallel instruction
|
by seeing if the first character is a q. */
|
by seeing if the first character is a q. */
|
if (*token_start == 'q')
|
if (*token_start == 'q')
|
{
|
{
|
if (tic30_parallel_insn (token_start))
|
if (tic30_parallel_insn (token_start))
|
{
|
{
|
if (found_parallel_insn)
|
if (found_parallel_insn)
|
free (token_start);
|
free (token_start);
|
return;
|
return;
|
}
|
}
|
}
|
}
|
while (is_opcode_char (*current_posn))
|
while (is_opcode_char (*current_posn))
|
current_posn++;
|
current_posn++;
|
{
|
{
|
/* Find instruction. */
|
/* Find instruction. */
|
save_char = *current_posn;
|
save_char = *current_posn;
|
*current_posn = '\0';
|
*current_posn = '\0';
|
opcode = (template *) hash_find (op_hash, token_start);
|
opcode = (template *) hash_find (op_hash, token_start);
|
if (opcode)
|
if (opcode)
|
{
|
{
|
debug ("Found instruction %s\n", opcode->name);
|
debug ("Found instruction %s\n", opcode->name);
|
insn.tm = opcode;
|
insn.tm = opcode;
|
}
|
}
|
else
|
else
|
{
|
{
|
debug ("Didn't find insn\n");
|
debug ("Didn't find insn\n");
|
as_bad ("Unknown TMS320C30 instruction: %s", token_start);
|
as_bad ("Unknown TMS320C30 instruction: %s", token_start);
|
return;
|
return;
|
}
|
}
|
*current_posn = save_char;
|
*current_posn = save_char;
|
}
|
}
|
|
|
if (*current_posn != END_OF_INSN)
|
if (*current_posn != END_OF_INSN)
|
{
|
{
|
/* Find operands. */
|
/* Find operands. */
|
int paren_not_balanced;
|
int paren_not_balanced;
|
int expecting_operand = 0;
|
int expecting_operand = 0;
|
int this_operand;
|
int this_operand;
|
do
|
do
|
{
|
{
|
/* Skip optional white space before operand. */
|
/* Skip optional white space before operand. */
|
while (!is_operand_char (*current_posn)
|
while (!is_operand_char (*current_posn)
|
&& *current_posn != END_OF_INSN)
|
&& *current_posn != END_OF_INSN)
|
{
|
{
|
if (!is_space_char (*current_posn))
|
if (!is_space_char (*current_posn))
|
{
|
{
|
as_bad ("Invalid character %s before %s operand",
|
as_bad ("Invalid character %s before %s operand",
|
output_invalid (*current_posn),
|
output_invalid (*current_posn),
|
ordinal_names[insn.operands]);
|
ordinal_names[insn.operands]);
|
return;
|
return;
|
}
|
}
|
current_posn++;
|
current_posn++;
|
}
|
}
|
token_start = current_posn;
|
token_start = current_posn;
|
paren_not_balanced = 0;
|
paren_not_balanced = 0;
|
while (paren_not_balanced || *current_posn != ',')
|
while (paren_not_balanced || *current_posn != ',')
|
{
|
{
|
if (*current_posn == END_OF_INSN)
|
if (*current_posn == END_OF_INSN)
|
{
|
{
|
if (paren_not_balanced)
|
if (paren_not_balanced)
|
{
|
{
|
as_bad ("Unbalanced parenthesis in %s operand.",
|
as_bad ("Unbalanced parenthesis in %s operand.",
|
ordinal_names[insn.operands]);
|
ordinal_names[insn.operands]);
|
return;
|
return;
|
}
|
}
|
else
|
else
|
break;
|
break;
|
}
|
}
|
else if (!is_operand_char (*current_posn)
|
else if (!is_operand_char (*current_posn)
|
&& !is_space_char (*current_posn))
|
&& !is_space_char (*current_posn))
|
{
|
{
|
as_bad ("Invalid character %s in %s operand",
|
as_bad ("Invalid character %s in %s operand",
|
output_invalid (*current_posn),
|
output_invalid (*current_posn),
|
ordinal_names[insn.operands]);
|
ordinal_names[insn.operands]);
|
return;
|
return;
|
}
|
}
|
if (*current_posn == '(')
|
if (*current_posn == '(')
|
++paren_not_balanced;
|
++paren_not_balanced;
|
if (*current_posn == ')')
|
if (*current_posn == ')')
|
--paren_not_balanced;
|
--paren_not_balanced;
|
current_posn++;
|
current_posn++;
|
}
|
}
|
if (current_posn != token_start)
|
if (current_posn != token_start)
|
{
|
{
|
/* Yes, we've read in another operand. */
|
/* Yes, we've read in another operand. */
|
this_operand = insn.operands++;
|
this_operand = insn.operands++;
|
if (insn.operands > MAX_OPERANDS)
|
if (insn.operands > MAX_OPERANDS)
|
{
|
{
|
as_bad ("Spurious operands; (%d operands/instruction max)",
|
as_bad ("Spurious operands; (%d operands/instruction max)",
|
MAX_OPERANDS);
|
MAX_OPERANDS);
|
return;
|
return;
|
}
|
}
|
|
|
/* Now parse operand adding info to 'insn' as we go along. */
|
/* Now parse operand adding info to 'insn' as we go along. */
|
save_char = *current_posn;
|
save_char = *current_posn;
|
*current_posn = '\0';
|
*current_posn = '\0';
|
insn.operand_type[this_operand] = tic30_operand (token_start);
|
insn.operand_type[this_operand] = tic30_operand (token_start);
|
*current_posn = save_char;
|
*current_posn = save_char;
|
if (insn.operand_type[this_operand] == NULL)
|
if (insn.operand_type[this_operand] == NULL)
|
return;
|
return;
|
}
|
}
|
else
|
else
|
{
|
{
|
if (expecting_operand)
|
if (expecting_operand)
|
{
|
{
|
as_bad ("Expecting operand after ','; got nothing");
|
as_bad ("Expecting operand after ','; got nothing");
|
return;
|
return;
|
}
|
}
|
if (*current_posn == ',')
|
if (*current_posn == ',')
|
{
|
{
|
as_bad ("Expecting operand before ','; got nothing");
|
as_bad ("Expecting operand before ','; got nothing");
|
return;
|
return;
|
}
|
}
|
}
|
}
|
|
|
/* Now *current_posn must be either ',' or END_OF_INSN. */
|
/* Now *current_posn must be either ',' or END_OF_INSN. */
|
if (*current_posn == ',')
|
if (*current_posn == ',')
|
{
|
{
|
if (*++current_posn == END_OF_INSN)
|
if (*++current_posn == END_OF_INSN)
|
{
|
{
|
/* Just skip it, if it's \n complain. */
|
/* Just skip it, if it's \n complain. */
|
as_bad ("Expecting operand after ','; got nothing");
|
as_bad ("Expecting operand after ','; got nothing");
|
return;
|
return;
|
}
|
}
|
expecting_operand = 1;
|
expecting_operand = 1;
|
}
|
}
|
}
|
}
|
while (*current_posn != END_OF_INSN);
|
while (*current_posn != END_OF_INSN);
|
}
|
}
|
|
|
debug ("Number of operands found: %d\n", insn.operands);
|
debug ("Number of operands found: %d\n", insn.operands);
|
|
|
/* Check that number of operands is correct. */
|
/* Check that number of operands is correct. */
|
if (insn.operands != insn.tm->operands)
|
if (insn.operands != insn.tm->operands)
|
{
|
{
|
unsigned int i;
|
unsigned int i;
|
unsigned int numops = insn.tm->operands;
|
unsigned int numops = insn.tm->operands;
|
|
|
/* If operands are not the same, then see if any of the operands are
|
/* If operands are not the same, then see if any of the operands are
|
not required. Then recheck with number of given operands. If they
|
not required. Then recheck with number of given operands. If they
|
are still not the same, then give an error, otherwise carry on. */
|
are still not the same, then give an error, otherwise carry on. */
|
for (i = 0; i < insn.tm->operands; i++)
|
for (i = 0; i < insn.tm->operands; i++)
|
if (insn.tm->operand_types[i] & NotReq)
|
if (insn.tm->operand_types[i] & NotReq)
|
numops--;
|
numops--;
|
if (insn.operands != numops)
|
if (insn.operands != numops)
|
{
|
{
|
as_bad ("Incorrect number of operands given");
|
as_bad ("Incorrect number of operands given");
|
return;
|
return;
|
}
|
}
|
}
|
}
|
insn.addressing_mode = AM_NotReq;
|
insn.addressing_mode = AM_NotReq;
|
for (count = 0; count < insn.operands; count++)
|
for (count = 0; count < insn.operands; count++)
|
{
|
{
|
if (insn.operand_type[count]->op_type & insn.tm->operand_types[count])
|
if (insn.operand_type[count]->op_type & insn.tm->operand_types[count])
|
{
|
{
|
debug ("Operand %d matches\n", count + 1);
|
debug ("Operand %d matches\n", count + 1);
|
/* If instruction has two operands and has an AddressMode
|
/* If instruction has two operands and has an AddressMode
|
modifier then set addressing mode type for instruction. */
|
modifier then set addressing mode type for instruction. */
|
if (insn.tm->opcode_modifier == AddressMode)
|
if (insn.tm->opcode_modifier == AddressMode)
|
{
|
{
|
int addr_insn = 0;
|
int addr_insn = 0;
|
/* Store instruction uses the second
|
/* Store instruction uses the second
|
operand for the address mode. */
|
operand for the address mode. */
|
if ((insn.tm->operand_types[1] & (Indirect | Direct))
|
if ((insn.tm->operand_types[1] & (Indirect | Direct))
|
== (Indirect | Direct))
|
== (Indirect | Direct))
|
addr_insn = 1;
|
addr_insn = 1;
|
|
|
if (insn.operand_type[addr_insn]->op_type & (AllReg))
|
if (insn.operand_type[addr_insn]->op_type & (AllReg))
|
insn.addressing_mode = AM_Register;
|
insn.addressing_mode = AM_Register;
|
else if (insn.operand_type[addr_insn]->op_type & Direct)
|
else if (insn.operand_type[addr_insn]->op_type & Direct)
|
insn.addressing_mode = AM_Direct;
|
insn.addressing_mode = AM_Direct;
|
else if (insn.operand_type[addr_insn]->op_type & Indirect)
|
else if (insn.operand_type[addr_insn]->op_type & Indirect)
|
insn.addressing_mode = AM_Indirect;
|
insn.addressing_mode = AM_Indirect;
|
else
|
else
|
insn.addressing_mode = AM_Immediate;
|
insn.addressing_mode = AM_Immediate;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
as_bad ("The %s operand doesn't match", ordinal_names[count]);
|
as_bad ("The %s operand doesn't match", ordinal_names[count]);
|
return;
|
return;
|
}
|
}
|
}
|
}
|
|
|
/* Now set the addressing mode for 3 operand instructions. */
|
/* Now set the addressing mode for 3 operand instructions. */
|
if ((insn.tm->operand_types[0] & op3T1)
|
if ((insn.tm->operand_types[0] & op3T1)
|
&& (insn.tm->operand_types[1] & op3T2))
|
&& (insn.tm->operand_types[1] & op3T2))
|
{
|
{
|
/* Set the addressing mode to the values used for 2 operand
|
/* Set the addressing mode to the values used for 2 operand
|
instructions in the G addressing field of the opcode. */
|
instructions in the G addressing field of the opcode. */
|
char *p;
|
char *p;
|
switch (insn.operand_type[0]->op_type)
|
switch (insn.operand_type[0]->op_type)
|
{
|
{
|
case Rn:
|
case Rn:
|
case ARn:
|
case ARn:
|
case DPReg:
|
case DPReg:
|
case OtherReg:
|
case OtherReg:
|
if (insn.operand_type[1]->op_type & (AllReg))
|
if (insn.operand_type[1]->op_type & (AllReg))
|
insn.addressing_mode = AM_Register;
|
insn.addressing_mode = AM_Register;
|
else if (insn.operand_type[1]->op_type & Indirect)
|
else if (insn.operand_type[1]->op_type & Indirect)
|
insn.addressing_mode = AM_Direct;
|
insn.addressing_mode = AM_Direct;
|
else
|
else
|
{
|
{
|
/* Shouldn't make it to this stage. */
|
/* Shouldn't make it to this stage. */
|
as_bad ("Incompatible first and second operands in instruction");
|
as_bad ("Incompatible first and second operands in instruction");
|
return;
|
return;
|
}
|
}
|
break;
|
break;
|
case Indirect:
|
case Indirect:
|
if (insn.operand_type[1]->op_type & (AllReg))
|
if (insn.operand_type[1]->op_type & (AllReg))
|
insn.addressing_mode = AM_Indirect;
|
insn.addressing_mode = AM_Indirect;
|
else if (insn.operand_type[1]->op_type & Indirect)
|
else if (insn.operand_type[1]->op_type & Indirect)
|
insn.addressing_mode = AM_Immediate;
|
insn.addressing_mode = AM_Immediate;
|
else
|
else
|
{
|
{
|
/* Shouldn't make it to this stage. */
|
/* Shouldn't make it to this stage. */
|
as_bad ("Incompatible first and second operands in instruction");
|
as_bad ("Incompatible first and second operands in instruction");
|
return;
|
return;
|
}
|
}
|
break;
|
break;
|
}
|
}
|
/* Now make up the opcode for the 3 operand instructions. As in
|
/* Now make up the opcode for the 3 operand instructions. As in
|
parallel instructions, there will be no unresolved values, so they
|
parallel instructions, there will be no unresolved values, so they
|
can be fully formed and added to the frag table. */
|
can be fully formed and added to the frag table. */
|
insn.opcode = insn.tm->base_opcode;
|
insn.opcode = insn.tm->base_opcode;
|
if (insn.operand_type[0]->op_type & Indirect)
|
if (insn.operand_type[0]->op_type & Indirect)
|
{
|
{
|
insn.opcode |= (insn.operand_type[0]->indirect.ARnum);
|
insn.opcode |= (insn.operand_type[0]->indirect.ARnum);
|
insn.opcode |= (insn.operand_type[0]->indirect.mod << 3);
|
insn.opcode |= (insn.operand_type[0]->indirect.mod << 3);
|
}
|
}
|
else
|
else
|
insn.opcode |= (insn.operand_type[0]->reg.opcode);
|
insn.opcode |= (insn.operand_type[0]->reg.opcode);
|
|
|
if (insn.operand_type[1]->op_type & Indirect)
|
if (insn.operand_type[1]->op_type & Indirect)
|
{
|
{
|
insn.opcode |= (insn.operand_type[1]->indirect.ARnum << 8);
|
insn.opcode |= (insn.operand_type[1]->indirect.ARnum << 8);
|
insn.opcode |= (insn.operand_type[1]->indirect.mod << 11);
|
insn.opcode |= (insn.operand_type[1]->indirect.mod << 11);
|
}
|
}
|
else
|
else
|
insn.opcode |= (insn.operand_type[1]->reg.opcode << 8);
|
insn.opcode |= (insn.operand_type[1]->reg.opcode << 8);
|
|
|
if (insn.operands == 3)
|
if (insn.operands == 3)
|
insn.opcode |= (insn.operand_type[2]->reg.opcode << 16);
|
insn.opcode |= (insn.operand_type[2]->reg.opcode << 16);
|
|
|
insn.opcode |= insn.addressing_mode;
|
insn.opcode |= insn.addressing_mode;
|
p = frag_more (INSN_SIZE);
|
p = frag_more (INSN_SIZE);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Not a three operand instruction. */
|
/* Not a three operand instruction. */
|
char *p;
|
char *p;
|
int am_insn = -1;
|
int am_insn = -1;
|
insn.opcode = insn.tm->base_opcode;
|
insn.opcode = insn.tm->base_opcode;
|
/* Create frag for instruction - all instructions are 4 bytes long. */
|
/* Create frag for instruction - all instructions are 4 bytes long. */
|
p = frag_more (INSN_SIZE);
|
p = frag_more (INSN_SIZE);
|
if ((insn.operands > 0) && (insn.tm->opcode_modifier == AddressMode))
|
if ((insn.operands > 0) && (insn.tm->opcode_modifier == AddressMode))
|
{
|
{
|
insn.opcode |= insn.addressing_mode;
|
insn.opcode |= insn.addressing_mode;
|
if (insn.addressing_mode == AM_Indirect)
|
if (insn.addressing_mode == AM_Indirect)
|
{
|
{
|
/* Determine which operand gives the addressing mode. */
|
/* Determine which operand gives the addressing mode. */
|
if (insn.operand_type[0]->op_type & Indirect)
|
if (insn.operand_type[0]->op_type & Indirect)
|
am_insn = 0;
|
am_insn = 0;
|
if ((insn.operands > 1)
|
if ((insn.operands > 1)
|
&& (insn.operand_type[1]->op_type & Indirect))
|
&& (insn.operand_type[1]->op_type & Indirect))
|
am_insn = 1;
|
am_insn = 1;
|
insn.opcode |= (insn.operand_type[am_insn]->indirect.disp);
|
insn.opcode |= (insn.operand_type[am_insn]->indirect.disp);
|
insn.opcode |= (insn.operand_type[am_insn]->indirect.ARnum << 8);
|
insn.opcode |= (insn.operand_type[am_insn]->indirect.ARnum << 8);
|
insn.opcode |= (insn.operand_type[am_insn]->indirect.mod << 11);
|
insn.opcode |= (insn.operand_type[am_insn]->indirect.mod << 11);
|
if (insn.operands > 1)
|
if (insn.operands > 1)
|
insn.opcode |= (insn.operand_type[!am_insn]->reg.opcode << 16);
|
insn.opcode |= (insn.operand_type[!am_insn]->reg.opcode << 16);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
}
|
}
|
else if (insn.addressing_mode == AM_Register)
|
else if (insn.addressing_mode == AM_Register)
|
{
|
{
|
insn.opcode |= (insn.operand_type[0]->reg.opcode);
|
insn.opcode |= (insn.operand_type[0]->reg.opcode);
|
if (insn.operands > 1)
|
if (insn.operands > 1)
|
insn.opcode |= (insn.operand_type[1]->reg.opcode << 16);
|
insn.opcode |= (insn.operand_type[1]->reg.opcode << 16);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
}
|
}
|
else if (insn.addressing_mode == AM_Direct)
|
else if (insn.addressing_mode == AM_Direct)
|
{
|
{
|
if (insn.operand_type[0]->op_type & Direct)
|
if (insn.operand_type[0]->op_type & Direct)
|
am_insn = 0;
|
am_insn = 0;
|
if ((insn.operands > 1)
|
if ((insn.operands > 1)
|
&& (insn.operand_type[1]->op_type & Direct))
|
&& (insn.operand_type[1]->op_type & Direct))
|
am_insn = 1;
|
am_insn = 1;
|
if (insn.operands > 1)
|
if (insn.operands > 1)
|
insn.opcode |=
|
insn.opcode |=
|
(insn.operand_type[! am_insn]->reg.opcode << 16);
|
(insn.operand_type[! am_insn]->reg.opcode << 16);
|
if (insn.operand_type[am_insn]->direct.resolved == 1)
|
if (insn.operand_type[am_insn]->direct.resolved == 1)
|
{
|
{
|
/* Resolved values can be placed straight
|
/* Resolved values can be placed straight
|
into instruction word, and output. */
|
into instruction word, and output. */
|
insn.opcode |=
|
insn.opcode |=
|
(insn.operand_type[am_insn]->direct.address & 0x0000FFFF);
|
(insn.operand_type[am_insn]->direct.address & 0x0000FFFF);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Unresolved direct addressing mode instruction. */
|
/* Unresolved direct addressing mode instruction. */
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
fix_new_exp (frag_now, p + 2 - (frag_now->fr_literal), 2,
|
fix_new_exp (frag_now, p + 2 - (frag_now->fr_literal), 2,
|
& insn.operand_type[am_insn]->direct.direct_expr,
|
& insn.operand_type[am_insn]->direct.direct_expr,
|
0, 0);
|
0, 0);
|
}
|
}
|
}
|
}
|
else if (insn.addressing_mode == AM_Immediate)
|
else if (insn.addressing_mode == AM_Immediate)
|
{
|
{
|
if (insn.operand_type[0]->immediate.resolved == 1)
|
if (insn.operand_type[0]->immediate.resolved == 1)
|
{
|
{
|
char *keeploc;
|
char *keeploc;
|
int size;
|
int size;
|
|
|
if (insn.operands > 1)
|
if (insn.operands > 1)
|
insn.opcode |= (insn.operand_type[1]->reg.opcode << 16);
|
insn.opcode |= (insn.operand_type[1]->reg.opcode << 16);
|
|
|
switch (insn.tm->imm_arg_type)
|
switch (insn.tm->imm_arg_type)
|
{
|
{
|
case Imm_Float:
|
case Imm_Float:
|
debug ("Floating point first operand\n");
|
debug ("Floating point first operand\n");
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
|
|
keeploc = input_line_pointer;
|
keeploc = input_line_pointer;
|
input_line_pointer =
|
input_line_pointer =
|
insn.operand_type[0]->immediate.label;
|
insn.operand_type[0]->immediate.label;
|
|
|
if (md_atof ('f', p + 2, & size) != 0)
|
if (md_atof ('f', p + 2, & size) != 0)
|
{
|
{
|
as_bad ("invalid short form floating point immediate operand");
|
as_bad ("invalid short form floating point immediate operand");
|
return;
|
return;
|
}
|
}
|
|
|
input_line_pointer = keeploc;
|
input_line_pointer = keeploc;
|
break;
|
break;
|
|
|
case Imm_UInt:
|
case Imm_UInt:
|
debug ("Unsigned int first operand\n");
|
debug ("Unsigned int first operand\n");
|
if (insn.operand_type[0]->immediate.decimal_found)
|
if (insn.operand_type[0]->immediate.decimal_found)
|
as_warn ("rounding down first operand float to unsigned int");
|
as_warn ("rounding down first operand float to unsigned int");
|
if (insn.operand_type[0]->immediate.u_number > 0xFFFF)
|
if (insn.operand_type[0]->immediate.u_number > 0xFFFF)
|
as_warn ("only lower 16-bits of first operand are used");
|
as_warn ("only lower 16-bits of first operand are used");
|
insn.opcode |=
|
insn.opcode |=
|
(insn.operand_type[0]->immediate.u_number & 0x0000FFFFL);
|
(insn.operand_type[0]->immediate.u_number & 0x0000FFFFL);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
break;
|
break;
|
|
|
case Imm_SInt:
|
case Imm_SInt:
|
debug ("Int first operand\n");
|
debug ("Int first operand\n");
|
|
|
if (insn.operand_type[0]->immediate.decimal_found)
|
if (insn.operand_type[0]->immediate.decimal_found)
|
as_warn ("rounding down first operand float to signed int");
|
as_warn ("rounding down first operand float to signed int");
|
|
|
if (insn.operand_type[0]->immediate.s_number < -32768 ||
|
if (insn.operand_type[0]->immediate.s_number < -32768 ||
|
insn.operand_type[0]->immediate.s_number > 32767)
|
insn.operand_type[0]->immediate.s_number > 32767)
|
{
|
{
|
as_bad ("first operand is too large for 16-bit signed int");
|
as_bad ("first operand is too large for 16-bit signed int");
|
return;
|
return;
|
}
|
}
|
insn.opcode |=
|
insn.opcode |=
|
(insn.operand_type[0]->immediate.s_number & 0x0000FFFFL);
|
(insn.operand_type[0]->immediate.s_number & 0x0000FFFFL);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
break;
|
break;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Unresolved immediate label. */
|
/* Unresolved immediate label. */
|
if (insn.operands > 1)
|
if (insn.operands > 1)
|
insn.opcode |= (insn.operand_type[1]->reg.opcode << 16);
|
insn.opcode |= (insn.operand_type[1]->reg.opcode << 16);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
fix_new_exp (frag_now, p + 2 - (frag_now->fr_literal), 2,
|
fix_new_exp (frag_now, p + 2 - (frag_now->fr_literal), 2,
|
& insn.operand_type[0]->immediate.imm_expr,
|
& insn.operand_type[0]->immediate.imm_expr,
|
0, 0);
|
0, 0);
|
}
|
}
|
}
|
}
|
}
|
}
|
else if (insn.tm->opcode_modifier == PCRel)
|
else if (insn.tm->opcode_modifier == PCRel)
|
{
|
{
|
/* Conditional Branch and Call instructions. */
|
/* Conditional Branch and Call instructions. */
|
if ((insn.tm->operand_types[0] & (AllReg | Disp))
|
if ((insn.tm->operand_types[0] & (AllReg | Disp))
|
== (AllReg | Disp))
|
== (AllReg | Disp))
|
{
|
{
|
if (insn.operand_type[0]->op_type & (AllReg))
|
if (insn.operand_type[0]->op_type & (AllReg))
|
{
|
{
|
insn.opcode |= (insn.operand_type[0]->reg.opcode);
|
insn.opcode |= (insn.operand_type[0]->reg.opcode);
|
insn.opcode |= PC_Register;
|
insn.opcode |= PC_Register;
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
}
|
}
|
else
|
else
|
{
|
{
|
insn.opcode |= PC_Relative;
|
insn.opcode |= PC_Relative;
|
if (insn.operand_type[0]->immediate.resolved == 1)
|
if (insn.operand_type[0]->immediate.resolved == 1)
|
{
|
{
|
insn.opcode |=
|
insn.opcode |=
|
(insn.operand_type[0]->immediate.s_number & 0x0000FFFF);
|
(insn.operand_type[0]->immediate.s_number & 0x0000FFFF);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
}
|
}
|
else
|
else
|
{
|
{
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
fix_new_exp (frag_now, p + 2 - (frag_now->fr_literal),
|
fix_new_exp (frag_now, p + 2 - (frag_now->fr_literal),
|
2, & insn.operand_type[0]->immediate.imm_expr,
|
2, & insn.operand_type[0]->immediate.imm_expr,
|
1, 0);
|
1, 0);
|
}
|
}
|
}
|
}
|
}
|
}
|
else if ((insn.tm->operand_types[0] & ARn) == ARn)
|
else if ((insn.tm->operand_types[0] & ARn) == ARn)
|
{
|
{
|
/* Decrement and Branch instructions. */
|
/* Decrement and Branch instructions. */
|
insn.opcode |= ((insn.operand_type[0]->reg.opcode - 0x08) << 22);
|
insn.opcode |= ((insn.operand_type[0]->reg.opcode - 0x08) << 22);
|
if (insn.operand_type[1]->op_type & (AllReg))
|
if (insn.operand_type[1]->op_type & (AllReg))
|
{
|
{
|
insn.opcode |= (insn.operand_type[1]->reg.opcode);
|
insn.opcode |= (insn.operand_type[1]->reg.opcode);
|
insn.opcode |= PC_Register;
|
insn.opcode |= PC_Register;
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
}
|
}
|
else if (insn.operand_type[1]->immediate.resolved == 1)
|
else if (insn.operand_type[1]->immediate.resolved == 1)
|
{
|
{
|
if (insn.operand_type[0]->immediate.decimal_found)
|
if (insn.operand_type[0]->immediate.decimal_found)
|
{
|
{
|
as_bad ("first operand is floating point");
|
as_bad ("first operand is floating point");
|
return;
|
return;
|
}
|
}
|
if (insn.operand_type[0]->immediate.s_number < -32768 ||
|
if (insn.operand_type[0]->immediate.s_number < -32768 ||
|
insn.operand_type[0]->immediate.s_number > 32767)
|
insn.operand_type[0]->immediate.s_number > 32767)
|
{
|
{
|
as_bad ("first operand is too large for 16-bit signed int");
|
as_bad ("first operand is too large for 16-bit signed int");
|
return;
|
return;
|
}
|
}
|
insn.opcode |= (insn.operand_type[1]->immediate.s_number);
|
insn.opcode |= (insn.operand_type[1]->immediate.s_number);
|
insn.opcode |= PC_Relative;
|
insn.opcode |= PC_Relative;
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
}
|
}
|
else
|
else
|
{
|
{
|
insn.opcode |= PC_Relative;
|
insn.opcode |= PC_Relative;
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
fix_new_exp (frag_now, p + 2 - frag_now->fr_literal, 2,
|
fix_new_exp (frag_now, p + 2 - frag_now->fr_literal, 2,
|
& insn.operand_type[1]->immediate.imm_expr,
|
& insn.operand_type[1]->immediate.imm_expr,
|
1, 0);
|
1, 0);
|
}
|
}
|
}
|
}
|
}
|
}
|
else if (insn.tm->operand_types[0] == IVector)
|
else if (insn.tm->operand_types[0] == IVector)
|
{
|
{
|
/* Trap instructions. */
|
/* Trap instructions. */
|
if (insn.operand_type[0]->op_type & IVector)
|
if (insn.operand_type[0]->op_type & IVector)
|
insn.opcode |= (insn.operand_type[0]->immediate.u_number);
|
insn.opcode |= (insn.operand_type[0]->immediate.u_number);
|
else
|
else
|
{
|
{
|
/* Shouldn't get here. */
|
/* Shouldn't get here. */
|
as_bad ("interrupt vector for trap instruction out of range");
|
as_bad ("interrupt vector for trap instruction out of range");
|
return;
|
return;
|
}
|
}
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
}
|
}
|
else if (insn.tm->opcode_modifier == StackOp
|
else if (insn.tm->opcode_modifier == StackOp
|
|| insn.tm->opcode_modifier == Rotate)
|
|| insn.tm->opcode_modifier == Rotate)
|
{
|
{
|
/* Push, Pop and Rotate instructions. */
|
/* Push, Pop and Rotate instructions. */
|
insn.opcode |= (insn.operand_type[0]->reg.opcode << 16);
|
insn.opcode |= (insn.operand_type[0]->reg.opcode << 16);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
}
|
}
|
else if ((insn.tm->operand_types[0] & (Abs24 | Direct))
|
else if ((insn.tm->operand_types[0] & (Abs24 | Direct))
|
== (Abs24 | Direct))
|
== (Abs24 | Direct))
|
{
|
{
|
/* LDP Instruction needs to be tested
|
/* LDP Instruction needs to be tested
|
for before the next section. */
|
for before the next section. */
|
if (insn.operand_type[0]->op_type & Direct)
|
if (insn.operand_type[0]->op_type & Direct)
|
{
|
{
|
if (insn.operand_type[0]->direct.resolved == 1)
|
if (insn.operand_type[0]->direct.resolved == 1)
|
{
|
{
|
/* Direct addressing uses lower 8 bits of direct address. */
|
/* Direct addressing uses lower 8 bits of direct address. */
|
insn.opcode |=
|
insn.opcode |=
|
(insn.operand_type[0]->direct.address & 0x00FF0000) >> 16;
|
(insn.operand_type[0]->direct.address & 0x00FF0000) >> 16;
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
}
|
}
|
else
|
else
|
{
|
{
|
fixS *fix;
|
fixS *fix;
|
|
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
fix = fix_new_exp (frag_now, p + 3 - (frag_now->fr_literal),
|
fix = fix_new_exp (frag_now, p + 3 - (frag_now->fr_literal),
|
1, &insn.operand_type[0]->direct.direct_expr, 0, 0);
|
1, &insn.operand_type[0]->direct.direct_expr, 0, 0);
|
/* Ensure that the assembler doesn't complain
|
/* Ensure that the assembler doesn't complain
|
about fitting a 24-bit address into 8 bits. */
|
about fitting a 24-bit address into 8 bits. */
|
fix->fx_no_overflow = 1;
|
fix->fx_no_overflow = 1;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
if (insn.operand_type[0]->immediate.resolved == 1)
|
if (insn.operand_type[0]->immediate.resolved == 1)
|
{
|
{
|
/* Immediate addressing uses upper 8 bits of address. */
|
/* Immediate addressing uses upper 8 bits of address. */
|
if (insn.operand_type[0]->immediate.u_number > 0x00FFFFFF)
|
if (insn.operand_type[0]->immediate.u_number > 0x00FFFFFF)
|
{
|
{
|
as_bad ("LDP instruction needs a 24-bit operand");
|
as_bad ("LDP instruction needs a 24-bit operand");
|
return;
|
return;
|
}
|
}
|
insn.opcode |=
|
insn.opcode |=
|
((insn.operand_type[0]->immediate.u_number & 0x00FF0000) >> 16);
|
((insn.operand_type[0]->immediate.u_number & 0x00FF0000) >> 16);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
}
|
}
|
else
|
else
|
{
|
{
|
fixS *fix;
|
fixS *fix;
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
fix = fix_new_exp (frag_now, p + 3 - (frag_now->fr_literal),
|
fix = fix_new_exp (frag_now, p + 3 - (frag_now->fr_literal),
|
1, &insn.operand_type[0]->immediate.imm_expr,
|
1, &insn.operand_type[0]->immediate.imm_expr,
|
0, 0);
|
0, 0);
|
fix->fx_no_overflow = 1;
|
fix->fx_no_overflow = 1;
|
}
|
}
|
}
|
}
|
}
|
}
|
else if (insn.tm->operand_types[0] & (Imm24))
|
else if (insn.tm->operand_types[0] & (Imm24))
|
{
|
{
|
/* Unconditional Branch and Call instructions. */
|
/* Unconditional Branch and Call instructions. */
|
if (insn.operand_type[0]->immediate.resolved == 1)
|
if (insn.operand_type[0]->immediate.resolved == 1)
|
{
|
{
|
if (insn.operand_type[0]->immediate.u_number > 0x00FFFFFF)
|
if (insn.operand_type[0]->immediate.u_number > 0x00FFFFFF)
|
as_warn ("first operand is too large for a 24-bit displacement");
|
as_warn ("first operand is too large for a 24-bit displacement");
|
insn.opcode |=
|
insn.opcode |=
|
(insn.operand_type[0]->immediate.u_number & 0x00FFFFFF);
|
(insn.operand_type[0]->immediate.u_number & 0x00FFFFFF);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
}
|
}
|
else
|
else
|
{
|
{
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
fix_new_exp (frag_now, p + 1 - (frag_now->fr_literal), 3,
|
fix_new_exp (frag_now, p + 1 - (frag_now->fr_literal), 3,
|
& insn.operand_type[0]->immediate.imm_expr, 0, 0);
|
& insn.operand_type[0]->immediate.imm_expr, 0, 0);
|
}
|
}
|
}
|
}
|
else if (insn.tm->operand_types[0] & NotReq)
|
else if (insn.tm->operand_types[0] & NotReq)
|
/* Check for NOP instruction without arguments. */
|
/* Check for NOP instruction without arguments. */
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
|
|
else if (insn.tm->operands == 0)
|
else if (insn.tm->operands == 0)
|
/* Check for instructions without operands. */
|
/* Check for instructions without operands. */
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
md_number_to_chars (p, (valueT) insn.opcode, INSN_SIZE);
|
}
|
}
|
debug ("Addressing mode: %08X\n", insn.addressing_mode);
|
debug ("Addressing mode: %08X\n", insn.addressing_mode);
|
{
|
{
|
unsigned int i;
|
unsigned int i;
|
|
|
for (i = 0; i < insn.operands; i++)
|
for (i = 0; i < insn.operands; i++)
|
{
|
{
|
if (insn.operand_type[i]->immediate.label)
|
if (insn.operand_type[i]->immediate.label)
|
free (insn.operand_type[i]->immediate.label);
|
free (insn.operand_type[i]->immediate.label);
|
free (insn.operand_type[i]);
|
free (insn.operand_type[i]);
|
}
|
}
|
}
|
}
|
debug ("Final opcode: %08X\n", insn.opcode);
|
debug ("Final opcode: %08X\n", insn.opcode);
|
debug ("\n");
|
debug ("\n");
|
}
|
}
|
|
|
|
|
