sim/ppc/ld-cache.c

   1 /*  This file is part of the program psim.
   2
   3     Copyright 1994, 1995, 1996, 1997, 2003 Andrew Cagney
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 3 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, see <http://www.gnu.org/licenses/>.
  17
  18     */
  19
  20
  21 #include "misc.h"
  22 #include "lf.h"
  23 #include "table.h"
  24 #include "ld-cache.h"
  25
  26
  27 enum {
  28   ca_type,
  29   ca_field_name,
  30   ca_derived_name,
  31   ca_type_def,
  32   ca_expression,
  33   nr_cache_rule_fields,
  34 };
  35
  36 static const name_map cache_type_map[] = {
  37   { "cache", cache_value },
  38   { "compute", compute_value },
  39   { "scratch", scratch_value },
  40   { NULL, 0 },
  41 };
  42
  43
  44 void
  45 append_cache_rule (cache_table **table, const char *type,
  46                    const char *field_name, const char *derived_name,
  47                    const char *type_def, const char *expression,
  48                    table_entry *file_entry)
  49 {
  50   while ((*table) != NULL)
  51     table = &(*table)->next;
  52   (*table) = ZALLOC(cache_table);
  53   (*table)->type = name2i(type, cache_type_map);
  54   (*table)->field_name = field_name;
  55   (*table)->derived_name = derived_name;
  56   (*table)->type_def = (strlen(type_def) > 0 ? type_def : NULL);
  57   (*table)->expression = (strlen(expression) > 0 ? expression : NULL);
  58   (*table)->file_entry = file_entry;
  59   (*table)->next = NULL;
  60 }
  61
  62
  63 cache_table *
  64 load_cache_table(const char *file_name,
  65                  int hi_bit_nr)
  66 {
  67   table *file = table_open(file_name, nr_cache_rule_fields, 0);
  68   table_entry *entry;
  69   cache_table *table = NULL;
  70   cache_table **curr_rule = &table;
  71   while ((entry = table_entry_read(file)) != NULL) {
  72     append_cache_rule (curr_rule, entry->fields[ca_type],
  73                        entry->fields[ca_field_name],
  74                        entry->fields[ca_derived_name],
  75                        entry->fields[ca_type_def],
  76                        entry->fields[ca_expression],
  77                        entry);
  78     curr_rule = &(*curr_rule)->next;
  79   }
  80   return table;
  81 }
  82
  83
  84
  85 #ifdef MAIN
  86
  87 static void
  88 dump_cache_rule(cache_table* rule,
  89                 int indent)
  90 {
  91   dumpf(indent, "((cache_table*)%p\n", rule);
  92   dumpf(indent, " (type %s)\n", i2name(rule->type, cache_type_map));
  93   dumpf(indent, " (field_name \"%s\")\n", rule->field_name);
  94   dumpf(indent, " (derived_name \"%s\")\n", rule->derived_name);
  95   dumpf(indent, " (type-def \"%s\")\n", rule->type_def);
  96   dumpf(indent, " (expression \"%s\")\n", rule->expression);
  97   dumpf(indent, " (next %p)\n", rule->next);
  98   dumpf(indent, " )\n");
  99 }
 100
 101
 102 static void
 103 dump_cache_rules(cache_table* rule,
 104                  int indent)
 105 {
 106   while (rule) {
 107     dump_cache_rule(rule, indent);
 108     rule = rule->next;
 109   }
 110 }
 111
 112
 113 int
 114 main(int argc, char **argv)
 115 {
 116   cache_table *rules;
 117   if (argc != 3)
 118     error("Usage: cache <cache-file> <hi-bit-nr>\n");
 119   rules = load_cache_table(argv[1], a2i(argv[2]));
 120   dump_cache_rules(rules, 0);
 121   return 0;
 122 }
 123 #endif