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authorStan Shebs <shebs@apple.com>1999-04-16 01:35:26 +0000
committerStan Shebs <shebs@apple.com>1999-04-16 01:35:26 +0000
commit14cd51f7793a9ce07bc435069f57269450141363 (patch)
tree280a2da48f771d61be5b451ddbacdf9ef8e9ad13 /sim/igen/ld-insn.c
downloadgdb-14cd51f7793a9ce07bc435069f57269450141363.tar.gz
Initial revision
Diffstat (limited to 'sim/igen/ld-insn.c')
-rw-r--r--sim/igen/ld-insn.c1829
1 files changed, 1829 insertions, 0 deletions
diff --git a/sim/igen/ld-insn.c b/sim/igen/ld-insn.c
new file mode 100644
index 00000000000..f812199e749
--- /dev/null
+++ b/sim/igen/ld-insn.c
@@ -0,0 +1,1829 @@
+/* This file is part of the program psim.
+
+ Copyright (C) 1994-1998, Andrew Cagney <cagney@highland.com.au>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+ */
+
+
+#include "misc.h"
+#include "lf.h"
+#include "table.h"
+#include "filter.h"
+#include "igen.h"
+#include "ld-insn.h"
+
+static insn_word_entry *
+parse_insn_word (line_ref *line,
+ char *string,
+ int word_nr)
+{
+ char *chp;
+ insn_word_entry *word = ZALLOC (insn_word_entry);
+
+ /* create a leading sentinal */
+ word->first = ZALLOC (insn_field_entry);
+ word->first->first = -1;
+ word->first->last = -1;
+ word->first->width = 0;
+
+ /* and a trailing sentinal */
+ word->last = ZALLOC (insn_field_entry);
+ word->last->first = options.insn_bit_size;
+ word->last->last = options.insn_bit_size;
+ word->last->width = 0;
+
+ /* link them together */
+ word->first->next = word->last;
+ word->last->prev = word->first;
+
+ /* now work through the formats */
+ chp = skip_spaces (string);
+
+ while (*chp != '\0') {
+ char *start_pos;
+ int strlen_pos;
+ char *start_val;
+ int strlen_val;
+ insn_field_entry *new_field;
+
+ /* create / link in the new field */
+ new_field = ZALLOC (insn_field_entry);
+ new_field->next = word->last;
+ new_field->prev = word->last->prev;
+ new_field->next->prev = new_field;
+ new_field->prev->next = new_field;
+ new_field->word_nr = word_nr;
+
+ /* break out the first field (if present) */
+ start_pos = chp;
+ chp = skip_to_separator (chp, ".,!");
+ strlen_pos = back_spaces (start_pos, chp) - start_pos;
+
+ /* break out the second field (if present) */
+ if (*chp != '.')
+ {
+ /* assume what was specified was the value (and not the start
+ position). Assume the value length implicitly specifies
+ the number of bits */
+ start_val = start_pos;
+ strlen_val = strlen_pos;
+ start_pos = "";
+ strlen_pos = 0;
+ }
+ else
+ {
+ chp++; /* skip `.' */
+ chp = skip_spaces (chp);
+ start_val = chp;
+ if (*chp == '/' || *chp == '*')
+ {
+ do
+ {
+ chp++;
+ }
+ while (*chp == '/' || *chp == '*');
+ }
+ else if (isalpha(*start_val))
+ {
+ do
+ {
+ chp++;
+ }
+ while (isalnum(*chp) || *chp == '_');
+ }
+ else if (isdigit(*start_val))
+ {
+ do {
+ chp++;
+ }
+ while (isalnum(*chp));
+ }
+ strlen_val = chp - start_val;
+ chp = skip_spaces (chp);
+ }
+ if (strlen_val == 0)
+ error (line, "Empty value field\n");
+
+ /* break out any conditional fields - { [ "!" | "=" [ <value> | <field-name> } */
+ while (*chp == '!' || *chp == '=')
+ {
+ char *start;
+ char *end;
+ int len;
+ insn_field_cond *new_cond = ZALLOC (insn_field_cond);
+
+ /* determine the conditional test */
+ switch (*chp)
+ {
+ case '=':
+ new_cond->test = insn_field_cond_eq;
+ break;
+ case '!':
+ new_cond->test = insn_field_cond_ne;
+ break;
+ default:
+ ASSERT (0);
+ }
+
+ /* save the value */
+ chp++;
+ chp = skip_spaces (chp);
+ start = chp;
+ chp = skip_to_separator (chp, "+,:!=");
+ end = back_spaces (start, chp);
+ len = end - start;
+ if (len == 0)
+ error (line, "Missing or invalid conditional value\n");
+ new_cond->string = NZALLOC (char, len + 1);
+ strncpy (new_cond->string, start, len);
+
+ /* determine the conditional type */
+ if (isdigit (*start))
+ {
+ /* [ "!" | "=" ] <value> */
+ new_cond->type = insn_field_cond_value;
+ new_cond->value = a2i (new_cond->string);
+ }
+ else
+ {
+ /* [ "!" | "=" ] <field> - check field valid */
+ new_cond->type = insn_field_cond_field;
+ /* new_cond->field is determined in later */
+ }
+
+ /* Only a single `=' is permitted. */
+ if ((new_cond->test == insn_field_cond_eq
+ && new_field->conditions != NULL)
+ || (new_field->conditions != NULL
+ && new_field->conditions->test == insn_field_cond_eq))
+ error (line, "Only single conditional when `=' allowed\n");
+
+ /* insert it */
+ {
+ insn_field_cond **last = &new_field->conditions;
+ while (*last != NULL)
+ last = &(*last)->next;
+ *last = new_cond;
+ }
+ }
+
+ /* NOW verify that the field was finished */
+ if (*chp == ',')
+ {
+ chp = skip_spaces (chp + 1);
+ if (*chp == '\0')
+ error (line, "empty field\n");
+ }
+ else if (*chp != '\0')
+ {
+ error (line, "Missing field separator\n");
+ }
+
+ /* copy the value */
+ new_field->val_string = NZALLOC (char, strlen_val+1);
+ strncpy (new_field->val_string, start_val, strlen_val);
+ if (isdigit (new_field->val_string[0]))
+ {
+ if (strlen_pos == 0)
+ {
+ /* when the length/pos field is omited, an integer field
+ is always binary */
+ unsigned64 val = 0;
+ int i;
+ for (i = 0; i < strlen_val; i++)
+ {
+ if (new_field->val_string[i] != '0'
+ && new_field->val_string[i] != '1')
+ error (line, "invalid binary field %s\n",
+ new_field->val_string);
+ val = (val << 1) + (new_field->val_string[i] == '1');
+ }
+ new_field->val_int = val;
+ new_field->type = insn_field_int;
+ }
+ else
+ {
+ new_field->val_int = a2i (new_field->val_string);
+ new_field->type = insn_field_int;
+ }
+ }
+ else if (new_field->val_string[0] == '/')
+ {
+ new_field->type = insn_field_reserved;
+ }
+ else if (new_field->val_string[0] == '*')
+ {
+ new_field->type = insn_field_wild;
+ }
+ else
+ {
+ new_field->type = insn_field_string;
+ if (filter_is_member (word->field_names, new_field->val_string))
+ error (line, "Field name %s is duplicated\n", new_field->val_string);
+ filter_parse (&word->field_names, new_field->val_string);
+ }
+ if (new_field->type != insn_field_string
+ && new_field->conditions != NULL)
+ error (line, "Conditionals can only be applied to named fields\n");
+
+ /* the copy the position */
+ new_field->pos_string = NZALLOC (char, strlen_pos + 1);
+ strncpy (new_field->pos_string, start_pos, strlen_pos);
+ if (strlen_pos == 0)
+ {
+ new_field->first = new_field->prev->last + 1;
+ if (new_field->first == 0 /* first field */
+ && *chp == '\0' /* no further fields */
+ && new_field->type == insn_field_string)
+ {
+ /* A single string without any position, assume that it
+ represents the entire instruction word */
+ new_field->width = options.insn_bit_size;
+ }
+ else
+ {
+ /* No explicit width/position, assume value implicitly
+ supplies the width */
+ new_field->width = strlen_val;
+ }
+ new_field->last = new_field->first + new_field->width - 1;
+ if (new_field->last >= options.insn_bit_size)
+ error (line, "Bit position %d exceed instruction bit size (%d)\n",
+ new_field->last, options.insn_bit_size);
+ }
+ else if (options.insn_specifying_widths)
+ {
+ new_field->first = new_field->prev->last + 1;
+ new_field->width = a2i(new_field->pos_string);
+ new_field->last = new_field->first + new_field->width - 1;
+ if (new_field->last >= options.insn_bit_size)
+ error (line, "Bit position %d exceed instruction bit size (%d)\n",
+ new_field->last, options.insn_bit_size);
+ }
+ else
+ {
+ new_field->first = target_a2i(options.hi_bit_nr,
+ new_field->pos_string);
+ new_field->last = new_field->next->first - 1; /* guess */
+ new_field->width = new_field->last - new_field->first + 1; /* guess */
+ new_field->prev->last = new_field->first - 1; /*fix*/
+ new_field->prev->width = new_field->first - new_field->prev->first; /*fix*/
+ }
+ }
+
+ /* fiddle first/last so that the sentinals disapear */
+ ASSERT(word->first->last < 0);
+ ASSERT(word->last->first >= options.insn_bit_size);
+ word->first = word->first->next;
+ word->last = word->last->prev;
+
+ /* check that the last field goes all the way to the last bit */
+ if (word->last->last != options.insn_bit_size - 1)
+ {
+ if (options.warn.width)
+ options.warning (line, "Instruction format is not %d bits wide\n",
+ options.insn_bit_size);
+ word->last->last = options.insn_bit_size - 1;
+ }
+
+ /* now go over this again, pointing each bit position at a field
+ record */
+ {
+ insn_field_entry *field;
+ for (field = word->first;
+ field->last < options.insn_bit_size;
+ field = field->next)
+ {
+ int i;
+ for (i = field->first; i <= field->last; i++)
+ {
+ word->bit[i] = ZALLOC (insn_bit_entry);
+ word->bit[i]->field = field;
+ switch (field->type)
+ {
+ case insn_field_invalid:
+ ASSERT (0);
+ break;
+ case insn_field_int:
+ word->bit[i]->mask = 1;
+ word->bit[i]->value = ((field->val_int
+ & ((insn_uint)1 << (field->last - i)))
+ != 0);
+ case insn_field_reserved:
+ case insn_field_wild:
+ case insn_field_string:
+ /* if we encounter a constant conditional, encode
+ their bit value. */
+ if (field->conditions != NULL
+ && field->conditions->test == insn_field_cond_eq
+ && field->conditions->type == insn_field_cond_value)
+ {
+ word->bit[i]->mask = 1;
+ word->bit[i]->value = ((field->conditions->value
+ & ((insn_uint)1 << (field->last - i)))
+ != 0);
+ }
+ break;
+ }
+ }
+ }
+ }
+
+ return word;
+}
+
+
+static void
+parse_insn_words (insn_entry *insn,
+ char *formats)
+{
+ insn_word_entry **last_word = &insn->words;
+ char *chp;
+
+ /* now work through the formats */
+ insn->nr_words = 0;
+ chp = formats;
+
+ while (1)
+ {
+ char *start_pos;
+ char *end_pos;
+ int strlen_pos;
+ char *format;
+ insn_word_entry *new_word;
+
+ /* skip leading spaces */
+ chp = skip_spaces (chp);
+
+ /* break out the format */
+ start_pos = chp;
+ chp = skip_to_separator (chp, "+");
+ end_pos = back_spaces (start_pos, chp);
+ strlen_pos = end_pos - start_pos;
+
+ /* check that something was there */
+ if (strlen_pos == 0)
+ error (insn->line, "missing or empty instruction format\n");
+
+ /* parse the field */
+ format = NZALLOC (char, strlen_pos + 1);
+ strncpy (format, start_pos, strlen_pos);
+ new_word = parse_insn_word (insn->line, format, insn->nr_words);
+ insn->nr_words++;
+ if (filter_is_common (insn->field_names, new_word->field_names))
+ error (insn->line, "Field name duplicated between two words\n");
+ filter_add (&insn->field_names, new_word->field_names);
+
+ /* insert it */
+ *last_word = new_word;
+ last_word = &new_word->next;
+
+ /* last format? */
+ if (*chp == '\0')
+ break;
+ ASSERT (*chp == '+');
+ chp++;
+ }
+
+ /* create a quick access array (indexed by word) of the same structure */
+ {
+ int i;
+ insn_word_entry *word;
+ insn->word = NZALLOC (insn_word_entry *, insn->nr_words + 1);
+ for (i = 0, word = insn->words;
+ i < insn->nr_words;
+ i++, word = word->next)
+ insn->word[i] = word;
+ }
+
+ /* Go over all fields that have conditionals refering to other
+ fields. Link the fields up. Verify that the two fields have the
+ same size. Verify that the two fields are different */
+ {
+ int i;
+ for (i = 0; i < insn->nr_words; i++)
+ {
+ insn_word_entry *word = insn->word[i];
+ insn_field_entry *f;
+ for (f = word->first;
+ f->last < options.insn_bit_size;
+ f = f->next)
+ {
+ insn_field_cond *cond;
+ for (cond = f->conditions;
+ cond != NULL;
+ cond = cond->next)
+ {
+ if (cond->type == insn_field_cond_field)
+ {
+ int j;
+ if (strcmp (cond->string, f->val_string) == 0)
+ error (insn->line,
+ "Conditional `%s' of field `%s' refers to its self\n",
+ cond->string, f->val_string);
+ for (j = 0; j <= i && cond->field == NULL; j++)
+ {
+ insn_word_entry *refered_word = insn->word[j];
+ insn_field_entry *refered_field;
+ for (refered_field = refered_word->first;
+ refered_field != NULL && cond->field == NULL;
+ refered_field = refered_field->next)
+ {
+ if (refered_field->type == insn_field_string
+ && strcmp (refered_field->val_string, cond->string) == 0)
+ {
+ /* found field being refered to by conditonal */
+ cond->field = refered_field;
+ /* check refered to and this field are
+ the same size */
+ if (f->width != refered_field->width)
+ error (insn->line,
+ "Conditional `%s' of field `%s' should be of size %s\n",
+ cond->string, f->val_string, refered_field->width);
+ }
+ }
+ }
+ if (cond->field == NULL)
+ error (insn->line,
+ "Conditional `%s' of field `%s' not yet defined\n",
+ cond->string, f->val_string);
+ }
+ }
+ }
+ }
+ }
+
+}
+
+typedef enum {
+ unknown_record = 0,
+ insn_record, /* default */
+ code_record,
+ cache_record,
+ compute_record,
+ scratch_record,
+ option_record,
+ string_function_record,
+ function_record,
+ internal_record,
+ define_record,
+ include_record,
+ model_processor_record,
+ model_macro_record,
+ model_data_record,
+ model_static_record,
+ model_function_record,
+ model_internal_record,
+} insn_record_type;
+
+static const name_map insn_type_map[] = {
+ { "option", option_record },
+ { "cache", cache_record },
+ { "compute", compute_record },
+ { "scratch", scratch_record },
+ { "define", define_record },
+ { "include", include_record },
+ { "%s", string_function_record },
+ { "function", function_record },
+ { "internal", internal_record },
+ { "model", model_processor_record },
+ { "model-macro", model_macro_record },
+ { "model-data", model_data_record },
+ { "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);
+ }
+ }
+#if 0
+ /* for some reason record the max length of any
+ function unit field */
+ int len = strlen (insn_model_ptr->field[insn_model_fields]);
+ if (model->max_model_fields_len < len)
+ model->max_model_fields_len = len;
+#endif
+ /* 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)
+ {
+ 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);
+ 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