1820 lines
50 KiB
C
1820 lines
50 KiB
C
/* The IGEN simulator generator for GDB, the GNU Debugger.
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Copyright 2002, 2007-2012 Free Software Foundation, Inc.
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Contributed by Andrew Cagney.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "misc.h"
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#include "lf.h"
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#include "table.h"
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#include "filter.h"
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#include "igen.h"
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#include "ld-insn.h"
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static insn_word_entry *
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parse_insn_word (line_ref *line, char *string, int word_nr)
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{
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char *chp;
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insn_word_entry *word = ZALLOC (insn_word_entry);
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/* create a leading sentinal */
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word->first = ZALLOC (insn_field_entry);
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word->first->first = -1;
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word->first->last = -1;
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word->first->width = 0;
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/* and a trailing sentinal */
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word->last = ZALLOC (insn_field_entry);
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word->last->first = options.insn_bit_size;
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word->last->last = options.insn_bit_size;
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word->last->width = 0;
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/* link them together */
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word->first->next = word->last;
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word->last->prev = word->first;
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/* now work through the formats */
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chp = skip_spaces (string);
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while (*chp != '\0')
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{
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char *start_pos;
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int strlen_pos;
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char *start_val;
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int strlen_val;
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insn_field_entry *new_field;
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/* create / link in the new field */
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new_field = ZALLOC (insn_field_entry);
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new_field->next = word->last;
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new_field->prev = word->last->prev;
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new_field->next->prev = new_field;
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new_field->prev->next = new_field;
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new_field->word_nr = word_nr;
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/* break out the first field (if present) */
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start_pos = chp;
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chp = skip_to_separator (chp, ".,!");
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strlen_pos = back_spaces (start_pos, chp) - start_pos;
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/* break out the second field (if present) */
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if (*chp != '.')
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{
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/* assume what was specified was the value (and not the start
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position). Assume the value length implicitly specifies
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the number of bits */
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start_val = start_pos;
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strlen_val = strlen_pos;
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start_pos = "";
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strlen_pos = 0;
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}
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else
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{
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chp++; /* skip `.' */
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chp = skip_spaces (chp);
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start_val = chp;
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if (*chp == '/' || *chp == '*')
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{
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do
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{
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chp++;
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}
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while (*chp == '/' || *chp == '*');
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}
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else if (isalpha (*start_val))
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{
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do
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{
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chp++;
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}
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while (isalnum (*chp) || *chp == '_');
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}
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else if (isdigit (*start_val))
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{
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do
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{
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chp++;
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}
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while (isalnum (*chp));
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}
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strlen_val = chp - start_val;
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chp = skip_spaces (chp);
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}
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if (strlen_val == 0)
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error (line, "Empty value field\n");
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/* break out any conditional fields - { [ "!" | "=" [ <value> | <field-name> } */
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while (*chp == '!' || *chp == '=')
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{
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char *start;
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char *end;
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int len;
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insn_field_cond *new_cond = ZALLOC (insn_field_cond);
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/* determine the conditional test */
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switch (*chp)
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{
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case '=':
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new_cond->test = insn_field_cond_eq;
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break;
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case '!':
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new_cond->test = insn_field_cond_ne;
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break;
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default:
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ASSERT (0);
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}
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/* save the value */
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chp++;
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chp = skip_spaces (chp);
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start = chp;
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chp = skip_to_separator (chp, "+,:!=");
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end = back_spaces (start, chp);
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len = end - start;
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if (len == 0)
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error (line, "Missing or invalid conditional value\n");
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new_cond->string = NZALLOC (char, len + 1);
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strncpy (new_cond->string, start, len);
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/* determine the conditional type */
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if (isdigit (*start))
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{
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/* [ "!" | "=" ] <value> */
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new_cond->type = insn_field_cond_value;
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new_cond->value = a2i (new_cond->string);
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}
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else
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{
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/* [ "!" | "=" ] <field> - check field valid */
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new_cond->type = insn_field_cond_field;
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/* new_cond->field is determined in later */
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}
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/* Only a single `=' is permitted. */
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if ((new_cond->test == insn_field_cond_eq
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&& new_field->conditions != NULL)
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|| (new_field->conditions != NULL
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&& new_field->conditions->test == insn_field_cond_eq))
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error (line, "Only single conditional when `=' allowed\n");
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/* insert it */
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{
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insn_field_cond **last = &new_field->conditions;
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while (*last != NULL)
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last = &(*last)->next;
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*last = new_cond;
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}
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}
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/* NOW verify that the field was finished */
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if (*chp == ',')
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{
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chp = skip_spaces (chp + 1);
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if (*chp == '\0')
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error (line, "empty field\n");
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}
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else if (*chp != '\0')
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{
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error (line, "Missing field separator\n");
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}
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/* copy the value */
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new_field->val_string = NZALLOC (char, strlen_val + 1);
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strncpy (new_field->val_string, start_val, strlen_val);
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if (isdigit (new_field->val_string[0]))
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{
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if (strlen_pos == 0)
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{
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/* when the length/pos field is omited, an integer field
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is always binary */
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unsigned64 val = 0;
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int i;
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for (i = 0; i < strlen_val; i++)
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{
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if (new_field->val_string[i] != '0'
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&& new_field->val_string[i] != '1')
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error (line, "invalid binary field %s\n",
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new_field->val_string);
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val = (val << 1) + (new_field->val_string[i] == '1');
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}
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new_field->val_int = val;
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new_field->type = insn_field_int;
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}
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else
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{
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new_field->val_int = a2i (new_field->val_string);
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new_field->type = insn_field_int;
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}
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}
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else if (new_field->val_string[0] == '/')
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{
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new_field->type = insn_field_reserved;
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}
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else if (new_field->val_string[0] == '*')
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{
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new_field->type = insn_field_wild;
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}
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else
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{
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new_field->type = insn_field_string;
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if (filter_is_member (word->field_names, new_field->val_string))
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error (line, "Field name %s is duplicated\n",
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new_field->val_string);
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filter_parse (&word->field_names, new_field->val_string);
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}
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if (new_field->type != insn_field_string
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&& new_field->conditions != NULL)
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error (line, "Conditionals can only be applied to named fields\n");
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/* the copy the position */
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new_field->pos_string = NZALLOC (char, strlen_pos + 1);
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strncpy (new_field->pos_string, start_pos, strlen_pos);
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if (strlen_pos == 0)
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{
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new_field->first = new_field->prev->last + 1;
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if (new_field->first == 0 /* first field */
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&& *chp == '\0' /* no further fields */
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&& new_field->type == insn_field_string)
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{
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/* A single string without any position, assume that it
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represents the entire instruction word */
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new_field->width = options.insn_bit_size;
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}
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else
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{
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/* No explicit width/position, assume value implicitly
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supplies the width */
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new_field->width = strlen_val;
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}
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new_field->last = new_field->first + new_field->width - 1;
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if (new_field->last >= options.insn_bit_size)
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error (line, "Bit position %d exceed instruction bit size (%d)\n",
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new_field->last, options.insn_bit_size);
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}
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else if (options.insn_specifying_widths)
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{
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new_field->first = new_field->prev->last + 1;
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new_field->width = a2i (new_field->pos_string);
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new_field->last = new_field->first + new_field->width - 1;
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if (new_field->last >= options.insn_bit_size)
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error (line, "Bit position %d exceed instruction bit size (%d)\n",
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new_field->last, options.insn_bit_size);
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}
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else
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{
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new_field->first = target_a2i (options.hi_bit_nr,
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new_field->pos_string);
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new_field->last = new_field->next->first - 1; /* guess */
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new_field->width = new_field->last - new_field->first + 1; /* guess */
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new_field->prev->last = new_field->first - 1; /*fix */
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new_field->prev->width = new_field->first - new_field->prev->first; /*fix */
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}
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}
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/* fiddle first/last so that the sentinals disapear */
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ASSERT (word->first->last < 0);
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ASSERT (word->last->first >= options.insn_bit_size);
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word->first = word->first->next;
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word->last = word->last->prev;
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/* check that the last field goes all the way to the last bit */
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if (word->last->last != options.insn_bit_size - 1)
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{
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if (options.warn.width)
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options.warning (line, "Instruction format is not %d bits wide\n",
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options.insn_bit_size);
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word->last->last = options.insn_bit_size - 1;
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}
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/* now go over this again, pointing each bit position at a field
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record */
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{
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insn_field_entry *field;
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for (field = word->first;
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field->last < options.insn_bit_size; field = field->next)
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{
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int i;
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for (i = field->first; i <= field->last; i++)
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{
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word->bit[i] = ZALLOC (insn_bit_entry);
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word->bit[i]->field = field;
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switch (field->type)
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{
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case insn_field_invalid:
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ASSERT (0);
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break;
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case insn_field_int:
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word->bit[i]->mask = 1;
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word->bit[i]->value = ((field->val_int
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& ((insn_uint) 1 <<
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(field->last - i))) != 0);
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case insn_field_reserved:
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case insn_field_wild:
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case insn_field_string:
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/* if we encounter a constant conditional, encode
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their bit value. */
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if (field->conditions != NULL
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&& field->conditions->test == insn_field_cond_eq
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&& field->conditions->type == insn_field_cond_value)
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{
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word->bit[i]->mask = 1;
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word->bit[i]->value = ((field->conditions->value
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& ((insn_uint) 1 <<
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(field->last - i))) != 0);
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}
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break;
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}
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}
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}
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}
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return word;
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}
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static void
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parse_insn_words (insn_entry * insn, char *formats)
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{
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insn_word_entry **last_word = &insn->words;
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char *chp;
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/* now work through the formats */
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insn->nr_words = 0;
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chp = formats;
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while (1)
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{
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char *start_pos;
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char *end_pos;
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int strlen_pos;
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char *format;
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insn_word_entry *new_word;
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/* skip leading spaces */
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chp = skip_spaces (chp);
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/* break out the format */
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start_pos = chp;
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chp = skip_to_separator (chp, "+");
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end_pos = back_spaces (start_pos, chp);
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strlen_pos = end_pos - start_pos;
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/* check that something was there */
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if (strlen_pos == 0)
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error (insn->line, "missing or empty instruction format\n");
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/* parse the field */
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format = NZALLOC (char, strlen_pos + 1);
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strncpy (format, start_pos, strlen_pos);
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new_word = parse_insn_word (insn->line, format, insn->nr_words);
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insn->nr_words++;
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if (filter_is_common (insn->field_names, new_word->field_names))
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error (insn->line, "Field name duplicated between two words\n");
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filter_add (&insn->field_names, new_word->field_names);
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/* insert it */
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*last_word = new_word;
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last_word = &new_word->next;
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/* last format? */
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if (*chp == '\0')
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break;
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ASSERT (*chp == '+');
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chp++;
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}
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/* create a quick access array (indexed by word) of the same structure */
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{
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int i;
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insn_word_entry *word;
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insn->word = NZALLOC (insn_word_entry *, insn->nr_words + 1);
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for (i = 0, word = insn->words;
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i < insn->nr_words; i++, word = word->next)
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insn->word[i] = word;
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}
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/* Go over all fields that have conditionals refering to other
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fields. Link the fields up. Verify that the two fields have the
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same size. Verify that the two fields are different */
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{
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int i;
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for (i = 0; i < insn->nr_words; i++)
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{
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insn_word_entry *word = insn->word[i];
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insn_field_entry *f;
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for (f = word->first; f->last < options.insn_bit_size; f = f->next)
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{
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insn_field_cond *cond;
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for (cond = f->conditions; cond != NULL; cond = cond->next)
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{
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if (cond->type == insn_field_cond_field)
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{
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int j;
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if (strcmp (cond->string, f->val_string) == 0)
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error (insn->line,
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"Conditional `%s' of field `%s' refers to its self\n",
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cond->string, f->val_string);
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for (j = 0; j <= i && cond->field == NULL; j++)
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{
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insn_word_entry *refered_word = insn->word[j];
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insn_field_entry *refered_field;
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for (refered_field = refered_word->first;
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refered_field != NULL && cond->field == NULL;
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refered_field = refered_field->next)
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{
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if (refered_field->type == insn_field_string
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&& strcmp (refered_field->val_string,
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cond->string) == 0)
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{
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/* found field being refered to by conditonal */
|
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cond->field = refered_field;
|
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/* check refered to and this field are
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the same size */
|
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if (f->width != refered_field->width)
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error (insn->line,
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"Conditional `%s' of field `%s' should be of size %s\n",
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cond->string, f->val_string,
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refered_field->width);
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}
|
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}
|
||
}
|
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if (cond->field == NULL)
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error (insn->line,
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"Conditional `%s' of field `%s' not yet defined\n",
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cond->string, f->val_string);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
}
|
||
|
||
typedef enum
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||
{
|
||
unknown_record = 0,
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insn_record, /* default */
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||
code_record,
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cache_record,
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compute_record,
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scratch_record,
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option_record,
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string_function_record,
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||
function_record,
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internal_record,
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define_record,
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||
include_record,
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||
model_processor_record,
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||
model_macro_record,
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||
model_data_record,
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model_static_record,
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model_function_record,
|
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model_internal_record,
|
||
}
|
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insn_record_type;
|
||
|
||
static const name_map insn_type_map[] = {
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||
{"option", option_record},
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{"cache", cache_record},
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{"compute", compute_record},
|
||
{"scratch", scratch_record},
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||
{"define", define_record},
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||
{"include", include_record},
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||
{"%s", string_function_record},
|
||
{"function", function_record},
|
||
{"internal", internal_record},
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||
{"model", model_processor_record},
|
||
{"model-macro", model_macro_record},
|
||
{"model-data", model_data_record},
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||
{"model-static", model_static_record},
|
||
{"model-internal", model_internal_record},
|
||
{"model-function", model_function_record},
|
||
{NULL, insn_record},
|
||
};
|
||
|
||
|
||
static int
|
||
record_is_old (table_entry *entry)
|
||
{
|
||
if (entry->nr_fields > record_type_field
|
||
&& strlen (entry->field[record_type_field]) == 0)
|
||
return 1;
|
||
return 0;
|
||
}
|
||
|
||
static insn_record_type
|
||
record_type (table_entry *entry)
|
||
{
|
||
switch (entry->type)
|
||
{
|
||
case table_code_entry:
|
||
return code_record;
|
||
|
||
case table_colon_entry:
|
||
if (record_is_old (entry))
|
||
{
|
||
/* old-format? */
|
||
if (entry->nr_fields > old_record_type_field)
|
||
{
|
||
int i = name2i (entry->field[old_record_type_field],
|
||
insn_type_map);
|
||
return i;
|
||
}
|
||
else
|
||
{
|
||
return unknown_record;
|
||
}
|
||
}
|
||
else if (entry->nr_fields > record_type_field
|
||
&& entry->field[0][0] == '\0')
|
||
{
|
||
/* new-format? */
|
||
int i = name2i (entry->field[record_type_field],
|
||
insn_type_map);
|
||
return i;
|
||
}
|
||
else
|
||
return insn_record; /* default */
|
||
}
|
||
return unknown_record;
|
||
}
|
||
|
||
static int
|
||
record_prefix_is (table_entry *entry, char ch, int nr_fields)
|
||
{
|
||
if (entry->type != table_colon_entry)
|
||
return 0;
|
||
if (entry->nr_fields < nr_fields)
|
||
return 0;
|
||
if (entry->field[0][0] != ch && ch != '\0')
|
||
return 0;
|
||
return 1;
|
||
}
|
||
|
||
static table_entry *
|
||
parse_model_data_record (insn_table *isa,
|
||
table *file,
|
||
table_entry *record,
|
||
int nr_fields, model_data **list)
|
||
{
|
||
table_entry *model_record = record;
|
||
table_entry *code_record = NULL;
|
||
model_data *new_data;
|
||
if (record->nr_fields < nr_fields)
|
||
error (record->line, "Incorrect number of fields\n");
|
||
record = table_read (file);
|
||
if (record->type == table_code_entry)
|
||
{
|
||
code_record = record;
|
||
record = table_read (file);
|
||
}
|
||
/* create the new data record */
|
||
new_data = ZALLOC (model_data);
|
||
new_data->line = model_record->line;
|
||
filter_parse (&new_data->flags,
|
||
model_record->field[record_filter_flags_field]);
|
||
new_data->entry = model_record;
|
||
new_data->code = code_record;
|
||
/* append it if not filtered out */
|
||
if (!is_filtered_out (options.flags_filter,
|
||
model_record->field[record_filter_flags_field])
|
||
&& !is_filtered_out (options.model_filter,
|
||
model_record->field[record_filter_models_field]))
|
||
{
|
||
while (*list != NULL)
|
||
list = &(*list)->next;
|
||
*list = new_data;
|
||
}
|
||
return record;
|
||
}
|
||
|
||
|
||
typedef enum
|
||
{
|
||
insn_bit_size_option = 1,
|
||
insn_specifying_widths_option,
|
||
hi_bit_nr_option,
|
||
flags_filter_option,
|
||
model_filter_option,
|
||
multi_sim_option,
|
||
format_names_option,
|
||
gen_delayed_branch,
|
||
unknown_option,
|
||
}
|
||
option_names;
|
||
|
||
static const name_map option_map[] = {
|
||
{"insn-bit-size", insn_bit_size_option},
|
||
{"insn-specifying-widths", insn_specifying_widths_option},
|
||
{"hi-bit-nr", hi_bit_nr_option},
|
||
{"flags-filter", flags_filter_option},
|
||
{"model-filter", model_filter_option},
|
||
{"multi-sim", multi_sim_option},
|
||
{"format-names", format_names_option},
|
||
{"gen-delayed-branch", gen_delayed_branch},
|
||
{NULL, unknown_option},
|
||
};
|
||
|
||
static table_entry *
|
||
parse_include_record (table *file, table_entry *record)
|
||
{
|
||
/* parse the include record */
|
||
if (record->nr_fields < nr_include_fields)
|
||
error (record->line, "Incorrect nr fields for include record\n");
|
||
/* process it */
|
||
if (!is_filtered_out (options.flags_filter,
|
||
record->field[record_filter_flags_field])
|
||
&& !is_filtered_out (options.model_filter,
|
||
record->field[record_filter_models_field]))
|
||
{
|
||
table_push (file, record->line, options.include,
|
||
record->field[include_filename_field]);
|
||
}
|
||
/* nb: can't read next record until after the file has been pushed */
|
||
record = table_read (file);
|
||
return record;
|
||
}
|
||
|
||
|
||
static table_entry *
|
||
parse_option_record (table *file, table_entry *record)
|
||
{
|
||
table_entry *option_record;
|
||
/* parse the option record */
|
||
option_record = record;
|
||
if (record->nr_fields < nr_option_fields)
|
||
error (record->line, "Incorrect nr of fields for option record\n");
|
||
record = table_read (file);
|
||
/* process it */
|
||
if (!is_filtered_out (options.flags_filter,
|
||
option_record->field[record_filter_flags_field])
|
||
&& !is_filtered_out (options.model_filter,
|
||
option_record->field[record_filter_models_field]))
|
||
{
|
||
char *name = option_record->field[option_name_field];
|
||
option_names option = name2i (name, option_map);
|
||
char *value = option_record->field[option_value_field];
|
||
switch (option)
|
||
{
|
||
case insn_bit_size_option:
|
||
{
|
||
options.insn_bit_size = a2i (value);
|
||
if (options.insn_bit_size < 0
|
||
|| options.insn_bit_size > max_insn_bit_size)
|
||
error (option_record->line,
|
||
"Instruction bit size out of range\n");
|
||
if (options.hi_bit_nr != options.insn_bit_size - 1
|
||
&& options.hi_bit_nr != 0)
|
||
error (option_record->line,
|
||
"insn-bit-size / hi-bit-nr conflict\n");
|
||
break;
|
||
}
|
||
case insn_specifying_widths_option:
|
||
{
|
||
options.insn_specifying_widths = a2i (value);
|
||
break;
|
||
}
|
||
case hi_bit_nr_option:
|
||
{
|
||
options.hi_bit_nr = a2i (value);
|
||
if (options.hi_bit_nr != 0
|
||
&& options.hi_bit_nr != options.insn_bit_size - 1)
|
||
error (option_record->line,
|
||
"hi-bit-nr / insn-bit-size conflict\n");
|
||
break;
|
||
}
|
||
case flags_filter_option:
|
||
{
|
||
filter_parse (&options.flags_filter, value);
|
||
break;
|
||
}
|
||
case model_filter_option:
|
||
{
|
||
filter_parse (&options.model_filter, value);
|
||
break;
|
||
}
|
||
case multi_sim_option:
|
||
{
|
||
options.gen.multi_sim = a2i (value);
|
||
break;
|
||
}
|
||
case format_names_option:
|
||
{
|
||
filter_parse (&options.format_name_filter, value);
|
||
break;
|
||
}
|
||
case gen_delayed_branch:
|
||
{
|
||
options.gen.delayed_branch = a2i (value);
|
||
break;
|
||
}
|
||
case unknown_option:
|
||
{
|
||
error (option_record->line, "Unknown option - %s\n", name);
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
return record;
|
||
}
|
||
|
||
|
||
static table_entry *
|
||
parse_function_record (table *file,
|
||
table_entry *record,
|
||
function_entry ** list,
|
||
function_entry ** list_entry,
|
||
int is_internal, model_table *model)
|
||
{
|
||
function_entry *new_function;
|
||
new_function = ZALLOC (function_entry);
|
||
new_function->line = record->line;
|
||
new_function->is_internal = is_internal;
|
||
/* parse the function header */
|
||
if (record_is_old (record))
|
||
{
|
||
if (record->nr_fields < nr_old_function_fields)
|
||
error (record->line, "Missing fields from (old) function record\n");
|
||
new_function->type = record->field[old_function_typedef_field];
|
||
new_function->type = record->field[old_function_typedef_field];
|
||
if (record->nr_fields > old_function_param_field)
|
||
new_function->param = record->field[old_function_param_field];
|
||
new_function->name = record->field[old_function_name_field];
|
||
}
|
||
else
|
||
{
|
||
if (record->nr_fields < nr_function_fields)
|
||
error (record->line, "Missing fields from function record\n");
|
||
filter_parse (&new_function->flags,
|
||
record->field[record_filter_flags_field]);
|
||
filter_parse (&new_function->models,
|
||
record->field[record_filter_models_field]);
|
||
new_function->type = record->field[function_typedef_field];
|
||
new_function->param = record->field[function_param_field];
|
||
new_function->name = record->field[function_name_field];
|
||
}
|
||
record = table_read (file);
|
||
/* parse any function-model records */
|
||
while (record != NULL
|
||
&& record_prefix_is (record, '*', nr_function_model_fields))
|
||
{
|
||
char *model_name = record->field[function_model_name_field] + 1; /*skip `*' */
|
||
filter_parse (&new_function->models, model_name);
|
||
if (!filter_is_subset (model->processors, new_function->models))
|
||
{
|
||
error (record->line, "machine model `%s' undefined\n", model_name);
|
||
}
|
||
record = table_read (file);
|
||
}
|
||
/* parse the function body */
|
||
if (record->type == table_code_entry)
|
||
{
|
||
new_function->code = record;
|
||
record = table_read (file);
|
||
}
|
||
/* insert it */
|
||
if (!filter_is_subset (options.flags_filter, new_function->flags))
|
||
{
|
||
if (options.warn.discard)
|
||
notify (new_function->line, "Discarding function %s - filter flags\n",
|
||
new_function->name);
|
||
}
|
||
else if (new_function->models != NULL
|
||
&& !filter_is_common (options.model_filter, new_function->models))
|
||
{
|
||
if (options.warn.discard)
|
||
notify (new_function->line,
|
||
"Discarding function %s - filter models\n",
|
||
new_function->name);
|
||
}
|
||
else
|
||
{
|
||
while (*list != NULL)
|
||
list = &(*list)->next;
|
||
*list = new_function;
|
||
if (list_entry != NULL)
|
||
*list_entry = new_function;
|
||
}
|
||
/* done */
|
||
return record;
|
||
}
|
||
|
||
static void
|
||
parse_insn_model_record (table *file,
|
||
table_entry *record,
|
||
insn_entry * insn, model_table *model)
|
||
{
|
||
insn_model_entry **last_insn_model;
|
||
insn_model_entry *new_insn_model = ZALLOC (insn_model_entry);
|
||
/* parse it */
|
||
new_insn_model->line = record->line;
|
||
if (record->nr_fields > insn_model_unit_data_field)
|
||
new_insn_model->unit_data = record->field[insn_model_unit_data_field];
|
||
new_insn_model->insn = insn;
|
||
/* parse the model names, verify that all were defined */
|
||
new_insn_model->names = NULL;
|
||
filter_parse (&new_insn_model->names,
|
||
record->field[insn_model_name_field] + 1 /*skip `*' */ );
|
||
if (new_insn_model->names == NULL)
|
||
{
|
||
/* No processor names - a generic model entry, enter it into all
|
||
the non-empty fields */
|
||
int index;
|
||
for (index = 0; index < model->nr_models; index++)
|
||
if (insn->model[index] == 0)
|
||
{
|
||
insn->model[index] = new_insn_model;
|
||
}
|
||
/* also add the complete processor set to this processor's set */
|
||
filter_add (&insn->processors, model->processors);
|
||
}
|
||
else
|
||
{
|
||
/* Find the corresponding master model record for each name so
|
||
that they can be linked in. */
|
||
int index;
|
||
char *name = "";
|
||
while (1)
|
||
{
|
||
name = filter_next (new_insn_model->names, name);
|
||
if (name == NULL)
|
||
break;
|
||
index = filter_is_member (model->processors, name) - 1;
|
||
if (index < 0)
|
||
{
|
||
error (new_insn_model->line,
|
||
"machine model `%s' undefined\n", name);
|
||
}
|
||
/* store it in the corresponding model array entry */
|
||
if (insn->model[index] != NULL && insn->model[index]->names != NULL)
|
||
{
|
||
warning (new_insn_model->line,
|
||
"machine model `%s' previously defined\n", name);
|
||
error (insn->model[index]->line, "earlier definition\n");
|
||
}
|
||
insn->model[index] = new_insn_model;
|
||
/* also add the name to the instructions processor set as an
|
||
alternative lookup mechanism */
|
||
filter_parse (&insn->processors, name);
|
||
}
|
||
}
|
||
/* link it in */
|
||
last_insn_model = &insn->models;
|
||
while ((*last_insn_model) != NULL)
|
||
last_insn_model = &(*last_insn_model)->next;
|
||
*last_insn_model = new_insn_model;
|
||
}
|
||
|
||
|
||
static void
|
||
parse_insn_mnemonic_record (table *file,
|
||
table_entry *record, insn_entry * insn)
|
||
{
|
||
insn_mnemonic_entry **last_insn_mnemonic;
|
||
insn_mnemonic_entry *new_insn_mnemonic = ZALLOC (insn_mnemonic_entry);
|
||
/* parse it */
|
||
new_insn_mnemonic->line = record->line;
|
||
ASSERT (record->nr_fields > insn_mnemonic_format_field);
|
||
new_insn_mnemonic->format = record->field[insn_mnemonic_format_field];
|
||
ASSERT (new_insn_mnemonic->format[0] == '"');
|
||
if (new_insn_mnemonic->format[strlen (new_insn_mnemonic->format) - 1] !=
|
||
'"')
|
||
error (new_insn_mnemonic->line,
|
||
"Missing closing double quote in mnemonic field\n");
|
||
if (record->nr_fields > insn_mnemonic_condition_field)
|
||
new_insn_mnemonic->condition =
|
||
record->field[insn_mnemonic_condition_field];
|
||
new_insn_mnemonic->insn = insn;
|
||
/* insert it */
|
||
last_insn_mnemonic = &insn->mnemonics;
|
||
while ((*last_insn_mnemonic) != NULL)
|
||
last_insn_mnemonic = &(*last_insn_mnemonic)->next;
|
||
insn->nr_mnemonics++;
|
||
*last_insn_mnemonic = new_insn_mnemonic;
|
||
}
|
||
|
||
|
||
static table_entry *
|
||
parse_macro_record (table *file, table_entry *record)
|
||
{
|
||
#if 1
|
||
error (record->line, "Macros are not implemented");
|
||
#else
|
||
/* parse the define record */
|
||
if (record->nr_fields < nr_define_fields)
|
||
error (record->line, "Incorrect nr fields for define record\n");
|
||
/* process it */
|
||
if (!is_filtered_out (options.flags_filter,
|
||
record->field[record_filter_flags_field])
|
||
&& !is_filtered_out (options.model_filter,
|
||
record->field[record_filter_models_field]))
|
||
{
|
||
table_define (file,
|
||
record->line,
|
||
record->field[macro_name_field],
|
||
record->field[macro_args_field],
|
||
record->field[macro_expr_field]);
|
||
}
|
||
record = table_read (file);
|
||
#endif
|
||
return record;
|
||
}
|
||
|
||
|
||
insn_table *
|
||
load_insn_table (char *file_name, cache_entry *cache)
|
||
{
|
||
table *file = table_open (file_name);
|
||
table_entry *record = table_read (file);
|
||
|
||
insn_table *isa = ZALLOC (insn_table);
|
||
model_table *model = ZALLOC (model_table);
|
||
|
||
isa->model = model;
|
||
isa->caches = cache;
|
||
|
||
while (record != NULL)
|
||
{
|
||
|
||
switch (record_type (record))
|
||
{
|
||
|
||
case include_record:
|
||
{
|
||
record = parse_include_record (file, record);
|
||
break;
|
||
}
|
||
|
||
case option_record:
|
||
{
|
||
if (isa->insns != NULL)
|
||
error (record->line, "Option after first instruction\n");
|
||
record = parse_option_record (file, record);
|
||
break;
|
||
}
|
||
|
||
case string_function_record:
|
||
{
|
||
function_entry *function = NULL;
|
||
record = parse_function_record (file, record,
|
||
&isa->functions,
|
||
&function, 0 /*is-internal */ ,
|
||
model);
|
||
/* convert a string function record into an internal function */
|
||
if (function != NULL)
|
||
{
|
||
char *name = NZALLOC (char,
|
||
(strlen ("str_")
|
||
+ strlen (function->name) + 1));
|
||
strcat (name, "str_");
|
||
strcat (name, function->name);
|
||
function->name = name;
|
||
function->type = "const char *";
|
||
}
|
||
break;
|
||
}
|
||
|
||
case function_record: /* function record */
|
||
{
|
||
record = parse_function_record (file, record,
|
||
&isa->functions,
|
||
NULL, 0 /*is-internal */ ,
|
||
model);
|
||
break;
|
||
}
|
||
|
||
case internal_record:
|
||
{
|
||
/* only insert it into the function list if it is unknown */
|
||
function_entry *function = NULL;
|
||
record = parse_function_record (file, record,
|
||
&isa->functions,
|
||
&function, 1 /*is-internal */ ,
|
||
model);
|
||
/* check what was inserted to see if a pseudo-instruction
|
||
entry also needs to be created */
|
||
if (function != NULL)
|
||
{
|
||
insn_entry **insn = NULL;
|
||
if (strcmp (function->name, "illegal") == 0)
|
||
{
|
||
/* illegal function save it away */
|
||
if (isa->illegal_insn != NULL)
|
||
{
|
||
warning (function->line,
|
||
"Multiple illegal instruction definitions\n");
|
||
error (isa->illegal_insn->line,
|
||
"Location of first illegal instruction\n");
|
||
}
|
||
else
|
||
insn = &isa->illegal_insn;
|
||
}
|
||
if (insn != NULL)
|
||
{
|
||
*insn = ZALLOC (insn_entry);
|
||
(*insn)->line = function->line;
|
||
(*insn)->name = function->name;
|
||
(*insn)->code = function->code;
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
|
||
case scratch_record: /* cache macro records */
|
||
case cache_record:
|
||
case compute_record:
|
||
{
|
||
cache_entry *new_cache;
|
||
/* parse the cache record */
|
||
if (record->nr_fields < nr_cache_fields)
|
||
error (record->line,
|
||
"Incorrect nr of fields for scratch/cache/compute record\n");
|
||
/* create it */
|
||
new_cache = ZALLOC (cache_entry);
|
||
new_cache->line = record->line;
|
||
filter_parse (&new_cache->flags,
|
||
record->field[record_filter_flags_field]);
|
||
filter_parse (&new_cache->models,
|
||
record->field[record_filter_models_field]);
|
||
new_cache->type = record->field[cache_typedef_field];
|
||
new_cache->name = record->field[cache_name_field];
|
||
filter_parse (&new_cache->original_fields,
|
||
record->field[cache_original_fields_field]);
|
||
new_cache->expression = record->field[cache_expression_field];
|
||
/* insert it but only if not filtered out */
|
||
if (!filter_is_subset (options.flags_filter, new_cache->flags))
|
||
{
|
||
notify (new_cache->line,
|
||
"Discarding cache entry %s - filter flags\n",
|
||
new_cache->name);
|
||
}
|
||
else if (is_filtered_out (options.model_filter,
|
||
record->
|
||
field[record_filter_models_field]))
|
||
{
|
||
notify (new_cache->line,
|
||
"Discarding cache entry %s - filter models\n",
|
||
new_cache->name);
|
||
}
|
||
else
|
||
{
|
||
cache_entry **last;
|
||
last = &isa->caches;
|
||
while (*last != NULL)
|
||
last = &(*last)->next;
|
||
*last = new_cache;
|
||
}
|
||
/* advance things */
|
||
record = table_read (file);
|
||
break;
|
||
}
|
||
|
||
/* model records */
|
||
case model_processor_record:
|
||
{
|
||
model_entry *new_model;
|
||
/* parse the model */
|
||
if (record->nr_fields < nr_model_processor_fields)
|
||
error (record->line,
|
||
"Incorrect nr of fields for model record\n");
|
||
if (isa->insns != NULL)
|
||
error (record->line, "Model appears after first instruction\n");
|
||
new_model = ZALLOC (model_entry);
|
||
filter_parse (&new_model->flags,
|
||
record->field[record_filter_flags_field]);
|
||
new_model->line = record->line;
|
||
new_model->name = record->field[model_name_field];
|
||
new_model->full_name = record->field[model_full_name_field];
|
||
new_model->unit_data = record->field[model_unit_data_field];
|
||
/* only insert it if not filtered out */
|
||
if (!filter_is_subset (options.flags_filter, new_model->flags))
|
||
{
|
||
notify (new_model->line,
|
||
"Discarding processor model %s - filter flags\n",
|
||
new_model->name);
|
||
}
|
||
else if (is_filtered_out (options.model_filter,
|
||
record->
|
||
field[record_filter_models_field]))
|
||
{
|
||
notify (new_model->line,
|
||
"Discarding processor model %s - filter models\n",
|
||
new_model->name);
|
||
}
|
||
else if (filter_is_member (model->processors, new_model->name))
|
||
{
|
||
error (new_model->line, "Duplicate processor model %s\n",
|
||
new_model->name);
|
||
}
|
||
else
|
||
{
|
||
model_entry **last;
|
||
last = &model->models;
|
||
while (*last != NULL)
|
||
last = &(*last)->next;
|
||
*last = new_model;
|
||
/* count it */
|
||
model->nr_models++;
|
||
filter_parse (&model->processors, new_model->name);
|
||
}
|
||
/* advance things */
|
||
record = table_read (file);
|
||
}
|
||
break;
|
||
|
||
case model_macro_record:
|
||
record = parse_model_data_record (isa, file, record,
|
||
nr_model_macro_fields,
|
||
&model->macros);
|
||
break;
|
||
|
||
case model_data_record:
|
||
record = parse_model_data_record (isa, file, record,
|
||
nr_model_data_fields,
|
||
&model->data);
|
||
break;
|
||
|
||
case model_static_record:
|
||
record = parse_function_record (file, record,
|
||
&model->statics,
|
||
NULL, 0 /*is internal */ ,
|
||
model);
|
||
break;
|
||
|
||
case model_internal_record:
|
||
record = parse_function_record (file, record,
|
||
&model->internals,
|
||
NULL, 1 /*is internal */ ,
|
||
model);
|
||
break;
|
||
|
||
case model_function_record:
|
||
record = parse_function_record (file, record,
|
||
&model->functions,
|
||
NULL, 0 /*is internal */ ,
|
||
model);
|
||
break;
|
||
|
||
case insn_record: /* instruction records */
|
||
{
|
||
insn_entry *new_insn;
|
||
char *format;
|
||
/* parse the instruction */
|
||
if (record->nr_fields < nr_insn_fields)
|
||
error (record->line,
|
||
"Incorrect nr of fields for insn record\n");
|
||
new_insn = ZALLOC (insn_entry);
|
||
new_insn->line = record->line;
|
||
filter_parse (&new_insn->flags,
|
||
record->field[record_filter_flags_field]);
|
||
/* save the format field. Can't parse it until after the
|
||
filter-out checks. Could be filtered out because the
|
||
format is invalid */
|
||
format = record->field[insn_word_field];
|
||
new_insn->format_name = record->field[insn_format_name_field];
|
||
if (options.format_name_filter != NULL
|
||
&& !filter_is_member (options.format_name_filter,
|
||
new_insn->format_name))
|
||
error (new_insn->line,
|
||
"Unreconized instruction format name `%s'\n",
|
||
new_insn->format_name);
|
||
filter_parse (&new_insn->options,
|
||
record->field[insn_options_field]);
|
||
new_insn->name = record->field[insn_name_field];
|
||
record = table_read (file);
|
||
/* Parse any model/assember records */
|
||
new_insn->nr_models = model->nr_models;
|
||
new_insn->model =
|
||
NZALLOC (insn_model_entry *, model->nr_models + 1);
|
||
while (record != NULL)
|
||
{
|
||
if (record_prefix_is (record, '*', nr_insn_model_fields))
|
||
parse_insn_model_record (file, record, new_insn, model);
|
||
else
|
||
if (record_prefix_is (record, '"', nr_insn_mnemonic_fields))
|
||
parse_insn_mnemonic_record (file, record, new_insn);
|
||
else
|
||
break;
|
||
/* advance */
|
||
record = table_read (file);
|
||
}
|
||
/* Parse the code record */
|
||
if (record != NULL && record->type == table_code_entry)
|
||
{
|
||
new_insn->code = record;
|
||
record = table_read (file);
|
||
}
|
||
else if (options.warn.unimplemented)
|
||
notify (new_insn->line, "unimplemented\n");
|
||
/* insert it */
|
||
if (!filter_is_subset (options.flags_filter, new_insn->flags))
|
||
{
|
||
if (options.warn.discard)
|
||
notify (new_insn->line,
|
||
"Discarding instruction %s (flags-filter)\n",
|
||
new_insn->name);
|
||
}
|
||
else if (new_insn->processors != NULL
|
||
&& options.model_filter != NULL
|
||
&& !filter_is_common (options.model_filter,
|
||
new_insn->processors))
|
||
{
|
||
/* only discard an instruction based in the processor
|
||
model when both the instruction and the options are
|
||
nonempty */
|
||
if (options.warn.discard)
|
||
notify (new_insn->line,
|
||
"Discarding instruction %s (processor-model)\n",
|
||
new_insn->name);
|
||
}
|
||
else
|
||
{
|
||
insn_entry **last;
|
||
/* finish the parsing */
|
||
parse_insn_words (new_insn, format);
|
||
/* append it */
|
||
last = &isa->insns;
|
||
while (*last)
|
||
last = &(*last)->next;
|
||
*last = new_insn;
|
||
/* update global isa counters */
|
||
isa->nr_insns++;
|
||
if (isa->max_nr_words < new_insn->nr_words)
|
||
isa->max_nr_words = new_insn->nr_words;
|
||
filter_add (&isa->flags, new_insn->flags);
|
||
filter_add (&isa->options, new_insn->options);
|
||
}
|
||
break;
|
||
}
|
||
|
||
case define_record:
|
||
record = parse_macro_record (file, record);
|
||
break;
|
||
|
||
case unknown_record:
|
||
case code_record:
|
||
error (record->line, "Unknown or unexpected entry\n");
|
||
|
||
|
||
}
|
||
}
|
||
return isa;
|
||
}
|
||
|
||
|
||
void
|
||
print_insn_words (lf *file, insn_entry * insn)
|
||
{
|
||
insn_word_entry *word = insn->words;
|
||
if (word != NULL)
|
||
{
|
||
while (1)
|
||
{
|
||
insn_field_entry *field = word->first;
|
||
while (1)
|
||
{
|
||
insn_field_cond *cond;
|
||
|
||
if (options.insn_specifying_widths)
|
||
lf_printf (file, "%d.", field->width);
|
||
else
|
||
lf_printf (file, "%d.",
|
||
i2target (options.hi_bit_nr, field->first));
|
||
switch (field->type)
|
||
{
|
||
case insn_field_invalid:
|
||
ASSERT (0);
|
||
break;
|
||
case insn_field_int:
|
||
lf_printf (file, "0x%lx", (long) field->val_int);
|
||
break;
|
||
case insn_field_reserved:
|
||
lf_printf (file, "/");
|
||
break;
|
||
case insn_field_wild:
|
||
lf_printf (file, "*");
|
||
break;
|
||
case insn_field_string:
|
||
lf_printf (file, "%s", field->val_string);
|
||
|
||
if (field->conditions == NULL)
|
||
break;
|
||
|
||
if (field->conditions->test == insn_field_cond_eq)
|
||
{
|
||
if (field->conditions->type == insn_field_cond_value)
|
||
lf_printf (file, "=%ld",
|
||
(long) field->conditions->value);
|
||
else
|
||
lf_printf (file, "=%s", field->conditions->string);
|
||
|
||
/* There can be only one equality condition. */
|
||
ASSERT (field->conditions->next == NULL);
|
||
break;
|
||
}
|
||
|
||
for (cond = field->conditions;
|
||
cond != NULL;
|
||
cond = cond->next)
|
||
{
|
||
ASSERT (cond->test == insn_field_cond_ne);
|
||
|
||
if (cond->type == insn_field_cond_value)
|
||
lf_printf (file, "!%ld", (long) cond->value);
|
||
else
|
||
lf_printf (file, "!%s", cond->string);
|
||
}
|
||
break;
|
||
}
|
||
if (field == word->last)
|
||
break;
|
||
field = field->next;
|
||
lf_printf (file, ",");
|
||
}
|
||
word = word->next;
|
||
if (word == NULL)
|
||
break;
|
||
lf_printf (file, "+");
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
|
||
void
|
||
function_entry_traverse (lf *file,
|
||
function_entry * functions,
|
||
function_entry_handler * handler, void *data)
|
||
{
|
||
function_entry *function;
|
||
for (function = functions; function != NULL; function = function->next)
|
||
{
|
||
handler (file, function, data);
|
||
}
|
||
}
|
||
|
||
void
|
||
insn_table_traverse_insn (lf *file,
|
||
insn_table *isa,
|
||
insn_entry_handler * handler, void *data)
|
||
{
|
||
insn_entry *insn;
|
||
for (insn = isa->insns; insn != NULL; insn = insn->next)
|
||
{
|
||
handler (file, isa, insn, data);
|
||
}
|
||
}
|
||
|
||
|
||
static void
|
||
dump_function_entry (lf *file,
|
||
char *prefix, function_entry * entry, char *suffix)
|
||
{
|
||
lf_printf (file, "%s(function_entry *) 0x%lx", prefix, (long) entry);
|
||
if (entry != NULL)
|
||
{
|
||
dump_line_ref (file, "\n(line ", entry->line, ")");
|
||
dump_filter (file, "\n(flags ", entry->flags, ")");
|
||
lf_printf (file, "\n(type \"%s\")", entry->type);
|
||
lf_printf (file, "\n(name \"%s\")", entry->name);
|
||
lf_printf (file, "\n(param \"%s\")", entry->param);
|
||
dump_table_entry (file, "\n(code ", entry->code, ")");
|
||
lf_printf (file, "\n(is_internal %d)", entry->is_internal);
|
||
lf_printf (file, "\n(next 0x%lx)", (long) entry->next);
|
||
}
|
||
lf_printf (file, "%s", suffix);
|
||
}
|
||
|
||
static void
|
||
dump_function_entries (lf *file,
|
||
char *prefix, function_entry * entry, char *suffix)
|
||
{
|
||
lf_printf (file, "%s", prefix);
|
||
lf_indent (file, +1);
|
||
while (entry != NULL)
|
||
{
|
||
dump_function_entry (file, "\n(", entry, ")");
|
||
entry = entry->next;
|
||
}
|
||
lf_indent (file, -1);
|
||
lf_printf (file, "%s", suffix);
|
||
}
|
||
|
||
static char *
|
||
cache_entry_type_to_str (cache_entry_type type)
|
||
{
|
||
switch (type)
|
||
{
|
||
case scratch_value:
|
||
return "scratch";
|
||
case cache_value:
|
||
return "cache";
|
||
case compute_value:
|
||
return "compute";
|
||
}
|
||
ERROR ("Bad switch");
|
||
return 0;
|
||
}
|
||
|
||
static void
|
||
dump_cache_entry (lf *file, char *prefix, cache_entry *entry, char *suffix)
|
||
{
|
||
lf_printf (file, "%s(cache_entry *) 0x%lx", prefix, (long) entry);
|
||
if (entry != NULL)
|
||
{
|
||
dump_line_ref (file, "\n(line ", entry->line, ")");
|
||
dump_filter (file, "\n(flags ", entry->flags, ")");
|
||
lf_printf (file, "\n(entry_type \"%s\")",
|
||
cache_entry_type_to_str (entry->entry_type));
|
||
lf_printf (file, "\n(name \"%s\")", entry->name);
|
||
dump_filter (file, "\n(original_fields ", entry->original_fields, ")");
|
||
lf_printf (file, "\n(type \"%s\")", entry->type);
|
||
lf_printf (file, "\n(expression \"%s\")", entry->expression);
|
||
lf_printf (file, "\n(next 0x%lx)", (long) entry->next);
|
||
}
|
||
lf_printf (file, "%s", suffix);
|
||
}
|
||
|
||
void
|
||
dump_cache_entries (lf *file, char *prefix, cache_entry *entry, char *suffix)
|
||
{
|
||
lf_printf (file, "%s", prefix);
|
||
lf_indent (file, +1);
|
||
while (entry != NULL)
|
||
{
|
||
dump_cache_entry (file, "\n(", entry, ")");
|
||
entry = entry->next;
|
||
}
|
||
lf_indent (file, -1);
|
||
lf_printf (file, "%s", suffix);
|
||
}
|
||
|
||
static void
|
||
dump_model_data (lf *file, char *prefix, model_data *entry, char *suffix)
|
||
{
|
||
lf_printf (file, "%s(model_data *) 0x%lx", prefix, (long) entry);
|
||
if (entry != NULL)
|
||
{
|
||
lf_indent (file, +1);
|
||
dump_line_ref (file, "\n(line ", entry->line, ")");
|
||
dump_filter (file, "\n(flags ", entry->flags, ")");
|
||
dump_table_entry (file, "\n(entry ", entry->entry, ")");
|
||
dump_table_entry (file, "\n(code ", entry->code, ")");
|
||
lf_printf (file, "\n(next 0x%lx)", (long) entry->next);
|
||
lf_indent (file, -1);
|
||
}
|
||
lf_printf (file, "%s", prefix);
|
||
}
|
||
|
||
static void
|
||
dump_model_datas (lf *file, char *prefix, model_data *entry, char *suffix)
|
||
{
|
||
lf_printf (file, "%s", prefix);
|
||
lf_indent (file, +1);
|
||
while (entry != NULL)
|
||
{
|
||
dump_model_data (file, "\n(", entry, ")");
|
||
entry = entry->next;
|
||
}
|
||
lf_indent (file, -1);
|
||
lf_printf (file, "%s", suffix);
|
||
}
|
||
|
||
static void
|
||
dump_model_entry (lf *file, char *prefix, model_entry *entry, char *suffix)
|
||
{
|
||
lf_printf (file, "%s(model_entry *) 0x%lx", prefix, (long) entry);
|
||
if (entry != NULL)
|
||
{
|
||
lf_indent (file, +1);
|
||
dump_line_ref (file, "\n(line ", entry->line, ")");
|
||
dump_filter (file, "\n(flags ", entry->flags, ")");
|
||
lf_printf (file, "\n(name \"%s\")", entry->name);
|
||
lf_printf (file, "\n(full_name \"%s\")", entry->full_name);
|
||
lf_printf (file, "\n(unit_data \"%s\")", entry->unit_data);
|
||
lf_printf (file, "\n(next 0x%lx)", (long) entry->next);
|
||
lf_indent (file, -1);
|
||
}
|
||
lf_printf (file, "%s", prefix);
|
||
}
|
||
|
||
static void
|
||
dump_model_entries (lf *file, char *prefix, model_entry *entry, char *suffix)
|
||
{
|
||
lf_printf (file, "%s", prefix);
|
||
lf_indent (file, +1);
|
||
while (entry != NULL)
|
||
{
|
||
dump_model_entry (file, "\n(", entry, ")");
|
||
entry = entry->next;
|
||
}
|
||
lf_indent (file, -1);
|
||
lf_printf (file, "%s", suffix);
|
||
}
|
||
|
||
|
||
static void
|
||
dump_model_table (lf *file, char *prefix, model_table *entry, char *suffix)
|
||
{
|
||
lf_printf (file, "%s(model_table *) 0x%lx", prefix, (long) entry);
|
||
if (entry != NULL)
|
||
{
|
||
lf_indent (file, +1);
|
||
dump_filter (file, "\n(processors ", entry->processors, ")");
|
||
lf_printf (file, "\n(nr_models %d)", entry->nr_models);
|
||
dump_model_entries (file, "\n(models ", entry->models, ")");
|
||
dump_model_datas (file, "\n(macros ", entry->macros, ")");
|
||
dump_model_datas (file, "\n(data ", entry->data, ")");
|
||
dump_function_entries (file, "\n(statics ", entry->statics, ")");
|
||
dump_function_entries (file, "\n(internals ", entry->functions, ")");
|
||
dump_function_entries (file, "\n(functions ", entry->functions, ")");
|
||
lf_indent (file, -1);
|
||
}
|
||
lf_printf (file, "%s", suffix);
|
||
}
|
||
|
||
|
||
static char *
|
||
insn_field_type_to_str (insn_field_type type)
|
||
{
|
||
switch (type)
|
||
{
|
||
case insn_field_invalid:
|
||
ASSERT (0);
|
||
return "(invalid)";
|
||
case insn_field_int:
|
||
return "int";
|
||
case insn_field_reserved:
|
||
return "reserved";
|
||
case insn_field_wild:
|
||
return "wild";
|
||
case insn_field_string:
|
||
return "string";
|
||
}
|
||
ERROR ("bad switch");
|
||
return 0;
|
||
}
|
||
|
||
void
|
||
dump_insn_field (lf *file,
|
||
char *prefix, insn_field_entry *field, char *suffix)
|
||
{
|
||
char *sep = " ";
|
||
lf_printf (file, "%s(insn_field_entry *) 0x%lx", prefix, (long) field);
|
||
if (field != NULL)
|
||
{
|
||
lf_indent (file, +1);
|
||
lf_printf (file, "%s(first %d)", sep, field->first);
|
||
lf_printf (file, "%s(last %d)", sep, field->last);
|
||
lf_printf (file, "%s(width %d)", sep, field->width);
|
||
lf_printf (file, "%s(type %s)", sep,
|
||
insn_field_type_to_str (field->type));
|
||
switch (field->type)
|
||
{
|
||
case insn_field_invalid:
|
||
ASSERT (0);
|
||
break;
|
||
case insn_field_int:
|
||
lf_printf (file, "%s(val 0x%lx)", sep, (long) field->val_int);
|
||
break;
|
||
case insn_field_reserved:
|
||
/* nothing output */
|
||
break;
|
||
case insn_field_wild:
|
||
/* nothing output */
|
||
break;
|
||
case insn_field_string:
|
||
lf_printf (file, "%s(val \"%s\")", sep, field->val_string);
|
||
break;
|
||
}
|
||
lf_printf (file, "%s(next 0x%lx)", sep, (long) field->next);
|
||
lf_printf (file, "%s(prev 0x%lx)", sep, (long) field->prev);
|
||
lf_indent (file, -1);
|
||
}
|
||
lf_printf (file, "%s", suffix);
|
||
}
|
||
|
||
void
|
||
dump_insn_word_entry (lf *file,
|
||
char *prefix, insn_word_entry *word, char *suffix)
|
||
{
|
||
lf_printf (file, "%s(insn_word_entry *) 0x%lx", prefix, (long) word);
|
||
if (word != NULL)
|
||
{
|
||
int i;
|
||
insn_field_entry *field;
|
||
lf_indent (file, +1);
|
||
lf_printf (file, "\n(first 0x%lx)", (long) word->first);
|
||
lf_printf (file, "\n(last 0x%lx)", (long) word->last);
|
||
lf_printf (file, "\n(bit");
|
||
for (i = 0; i < options.insn_bit_size; i++)
|
||
lf_printf (file, "\n ((value %d) (mask %d) (field 0x%lx))",
|
||
word->bit[i]->value, word->bit[i]->mask,
|
||
(long) word->bit[i]->field);
|
||
lf_printf (file, ")");
|
||
for (field = word->first; field != NULL; field = field->next)
|
||
dump_insn_field (file, "\n(", field, ")");
|
||
dump_filter (file, "\n(field_names ", word->field_names, ")");
|
||
lf_printf (file, "\n(next 0x%lx)", (long) word->next);
|
||
lf_indent (file, -1);
|
||
}
|
||
lf_printf (file, "%s", suffix);
|
||
}
|
||
|
||
static void
|
||
dump_insn_word_entries (lf *file,
|
||
char *prefix, insn_word_entry *word, char *suffix)
|
||
{
|
||
lf_printf (file, "%s", prefix);
|
||
while (word != NULL)
|
||
{
|
||
dump_insn_word_entry (file, "\n(", word, ")");
|
||
word = word->next;
|
||
}
|
||
lf_printf (file, "%s", suffix);
|
||
}
|
||
|
||
static void
|
||
dump_insn_model_entry (lf *file,
|
||
char *prefix, insn_model_entry *model, char *suffix)
|
||
{
|
||
lf_printf (file, "%s(insn_model_entry *) 0x%lx", prefix, (long) model);
|
||
if (model != NULL)
|
||
{
|
||
lf_indent (file, +1);
|
||
dump_line_ref (file, "\n(line ", model->line, ")");
|
||
dump_filter (file, "\n(names ", model->names, ")");
|
||
lf_printf (file, "\n(full_name \"%s\")", model->full_name);
|
||
lf_printf (file, "\n(unit_data \"%s\")", model->unit_data);
|
||
lf_printf (file, "\n(insn (insn_entry *) 0x%lx)", (long) model->insn);
|
||
lf_printf (file, "\n(next (insn_model_entry *) 0x%lx)",
|
||
(long) model->next);
|
||
lf_indent (file, -1);
|
||
}
|
||
lf_printf (file, "%s", suffix);
|
||
}
|
||
|
||
static void
|
||
dump_insn_model_entries (lf *file,
|
||
char *prefix, insn_model_entry *model, char *suffix)
|
||
{
|
||
lf_printf (file, "%s", prefix);
|
||
while (model != NULL)
|
||
{
|
||
dump_insn_model_entry (file, "\n", model, "");
|
||
model = model->next;
|
||
}
|
||
lf_printf (file, "%s", suffix);
|
||
}
|
||
|
||
|
||
static void
|
||
dump_insn_mnemonic_entry (lf *file,
|
||
char *prefix,
|
||
insn_mnemonic_entry *mnemonic, char *suffix)
|
||
{
|
||
lf_printf (file, "%s(insn_mnemonic_entry *) 0x%lx", prefix,
|
||
(long) mnemonic);
|
||
if (mnemonic != NULL)
|
||
{
|
||
lf_indent (file, +1);
|
||
dump_line_ref (file, "\n(line ", mnemonic->line, ")");
|
||
lf_printf (file, "\n(format \"%s\")", mnemonic->format);
|
||
lf_printf (file, "\n(condition \"%s\")", mnemonic->condition);
|
||
lf_printf (file, "\n(insn (insn_entry *) 0x%lx)",
|
||
(long) mnemonic->insn);
|
||
lf_printf (file, "\n(next (insn_mnemonic_entry *) 0x%lx)",
|
||
(long) mnemonic->next);
|
||
lf_indent (file, -1);
|
||
}
|
||
lf_printf (file, "%s", suffix);
|
||
}
|
||
|
||
static void
|
||
dump_insn_mnemonic_entries (lf *file,
|
||
char *prefix,
|
||
insn_mnemonic_entry *mnemonic, char *suffix)
|
||
{
|
||
lf_printf (file, "%s", prefix);
|
||
while (mnemonic != NULL)
|
||
{
|
||
dump_insn_mnemonic_entry (file, "\n", mnemonic, "");
|
||
mnemonic = mnemonic->next;
|
||
}
|
||
lf_printf (file, "%s", suffix);
|
||
}
|
||
|
||
void
|
||
dump_insn_entry (lf *file, char *prefix, insn_entry * entry, char *suffix)
|
||
{
|
||
lf_printf (file, "%s(insn_entry *) 0x%lx", prefix, (long) entry);
|
||
if (entry != NULL)
|
||
{
|
||
int i;
|
||
lf_indent (file, +1);
|
||
dump_line_ref (file, "\n(line ", entry->line, ")");
|
||
dump_filter (file, "\n(flags ", entry->flags, ")");
|
||
lf_printf (file, "\n(nr_words %d)", entry->nr_words);
|
||
dump_insn_word_entries (file, "\n(words ", entry->words, ")");
|
||
lf_printf (file, "\n(word");
|
||
for (i = 0; i < entry->nr_models; i++)
|
||
lf_printf (file, " 0x%lx", (long) entry->word[i]);
|
||
lf_printf (file, ")");
|
||
dump_filter (file, "\n(field_names ", entry->field_names, ")");
|
||
lf_printf (file, "\n(format_name \"%s\")", entry->format_name);
|
||
dump_filter (file, "\n(options ", entry->options, ")");
|
||
lf_printf (file, "\n(name \"%s\")", entry->name);
|
||
lf_printf (file, "\n(nr_models %d)", entry->nr_models);
|
||
dump_insn_model_entries (file, "\n(models ", entry->models, ")");
|
||
lf_printf (file, "\n(model");
|
||
for (i = 0; i < entry->nr_models; i++)
|
||
lf_printf (file, " 0x%lx", (long) entry->model[i]);
|
||
lf_printf (file, ")");
|
||
dump_filter (file, "\n(processors ", entry->processors, ")");
|
||
dump_insn_mnemonic_entries (file, "\n(mnemonics ", entry->mnemonics,
|
||
")");
|
||
dump_table_entry (file, "\n(code ", entry->code, ")");
|
||
lf_printf (file, "\n(next 0x%lx)", (long) entry->next);
|
||
lf_indent (file, -1);
|
||
}
|
||
lf_printf (file, "%s", suffix);
|
||
}
|
||
|
||
static void
|
||
dump_insn_entries (lf *file, char *prefix, insn_entry * entry, char *suffix)
|
||
{
|
||
lf_printf (file, "%s", prefix);
|
||
lf_indent (file, +1);
|
||
while (entry != NULL)
|
||
{
|
||
dump_insn_entry (file, "\n(", entry, ")");
|
||
entry = entry->next;
|
||
}
|
||
lf_indent (file, -1);
|
||
lf_printf (file, "%s", suffix);
|
||
}
|
||
|
||
|
||
|
||
void
|
||
dump_insn_table (lf *file, char *prefix, insn_table *isa, char *suffix)
|
||
{
|
||
lf_printf (file, "%s(insn_table *) 0x%lx", prefix, (long) isa);
|
||
if (isa != NULL)
|
||
{
|
||
lf_indent (file, +1);
|
||
dump_cache_entries (file, "\n(caches ", isa->caches, ")");
|
||
lf_printf (file, "\n(nr_insns %d)", isa->nr_insns);
|
||
lf_printf (file, "\n(max_nr_words %d)", isa->max_nr_words);
|
||
dump_insn_entries (file, "\n(insns ", isa->insns, ")");
|
||
dump_function_entries (file, "\n(functions ", isa->functions, ")");
|
||
dump_insn_entry (file, "\n(illegal_insn ", isa->illegal_insn, ")");
|
||
dump_model_table (file, "\n(model ", isa->model, ")");
|
||
dump_filter (file, "\n(flags ", isa->flags, ")");
|
||
dump_filter (file, "\n(options ", isa->options, ")");
|
||
lf_indent (file, -1);
|
||
}
|
||
lf_printf (file, "%s", suffix);
|
||
}
|
||
|
||
#ifdef MAIN
|
||
|
||
igen_options options;
|
||
|
||
int
|
||
main (int argc, char **argv)
|
||
{
|
||
insn_table *isa;
|
||
lf *l;
|
||
|
||
INIT_OPTIONS (options);
|
||
|
||
if (argc == 3)
|
||
filter_parse (&options.flags_filter, argv[2]);
|
||
else if (argc != 2)
|
||
error (NULL, "Usage: insn <insn-table> [ <filter-in> ]\n");
|
||
|
||
isa = load_insn_table (argv[1], NULL);
|
||
l = lf_open ("-", "stdout", lf_omit_references, lf_is_text, "tmp-ld-insn");
|
||
dump_insn_table (l, "(isa ", isa, ")\n");
|
||
|
||
return 0;
|
||
}
|
||
|
||
#endif
|