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 #ifndef NULL
  27 #define NULL 0
  28 #endif
  29
  30
  31 enum {
  32   ca_type,
  33   ca_field_name,
  34   ca_derived_name,
  35   ca_type_def,
  36   ca_expression,
  37   nr_cache_rule_fields,
  38 };
  39
  40 static const name_map cache_type_map[] = {
  41   { "cache", cache_value },
  42   { "compute", compute_value },
  43   { "scratch", scratch_value },
  44   { NULL, 0 },
  45 };
  46
  47
  48 void
  49 append_cache_rule (cache_table **table, char *type, char *field_name,
  50                    char *derived_name, char *type_def,
  51                    char *expression, table_entry *file_entry)
  52 {
  53   while ((*table) != NULL)
  54     table = &(*table)->next;
  55   (*table) = ZALLOC(cache_table);
  56   (*table)->type = name2i(type, cache_type_map);
  57   (*table)->field_name = field_name;
  58   (*table)->derived_name = derived_name;
  59   (*table)->type_def = (strlen(type_def) > 0 ? type_def : NULL);
  60   (*table)->expression = (strlen(expression) > 0 ? expression : NULL);
  61   (*table)->file_entry = file_entry;
  62   (*table)->next = NULL;
  63 }
  64
  65
  66 cache_table *
  67 load_cache_table(char *file_name,
  68                  int hi_bit_nr)
  69 {
  70   table *file = table_open(file_name, nr_cache_rule_fields, 0);
  71   table_entry *entry;
  72   cache_table *table = NULL;
  73   cache_table **curr_rule = &table;
  74   while ((entry = table_entry_read(file)) != NULL) {
  75     append_cache_rule (curr_rule, entry->fields[ca_type],
  76                        entry->fields[ca_field_name],
  77                        entry->fields[ca_derived_name],
  78                        entry->fields[ca_type_def],
  79                        entry->fields[ca_expression],
  80                        entry);
  81     curr_rule = &(*curr_rule)->next;
  82   }
  83   return table;
  84 }
  85
  86
  87
  88 #ifdef MAIN
  89
  90 static void
  91 dump_cache_rule(cache_table* rule,
  92                 int indent)
  93 {
  94   dumpf(indent, "((cache_table*)0x%x\n", rule);
  95   dumpf(indent, " (type %s)\n", i2name(rule->type, cache_type_map));
  96   dumpf(indent, " (field_name \"%s\")\n", rule->field_name);
  97   dumpf(indent, " (derived_name \"%s\")\n", rule->derived_name);
  98   dumpf(indent, " (type-def \"%s\")\n", rule->type_def);
  99   dumpf(indent, " (expression \"%s\")\n", rule->expression);
 100   dumpf(indent, " (next 0x%x)\n", rule->next);
 101   dumpf(indent, " )\n");
 102 }
 103
 104
 105 static void
 106 dump_cache_rules(cache_table* rule,
 107                  int indent)
 108 {
 109   while (rule) {
 110     dump_cache_rule(rule, indent);
 111     rule = rule->next;
 112   }
 113 }
 114
 115
 116 int
 117 main(int argc, char **argv)
 118 {
 119   cache_table *rules;
 120   if (argc != 3)
 121     error("Usage: cache <cache-file> <hi-bit-nr>\n");
 122   rules = load_cache_table(argv[1], a2i(argv[2]));
 123   dump_cache_rules(rules, 0);
 124   return 0;
 125 }
 126 #endif