sim/igen/misc.h

   1 /* The IGEN simulator generator for GDB, the GNU Debugger.
   2
   3    Copyright 2002 Free Software Foundation, Inc.
   4
   5    Contributed by Andrew Cagney.
   6
   7    This file is part of GDB.
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 2 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 59 Temple Place - Suite 330,
  22    Boston, MA 02111-1307, USA.  */
  23
  24
  25
  26 /* Frustrating header junk */
  27
  28 #include "config.h"
  29
  30
  31 enum {
  32   default_insn_bit_size = 32,
  33   max_insn_bit_size = 64,
  34 };
  35
  36
  37 /* Define a 64bit data type */
  38
  39 #if defined __GNUC__ || defined _WIN32
  40 #ifdef __GNUC__
  41
  42 typedef long long signed64;
  43 typedef unsigned long long unsigned64;
  44
  45 #else   /* _WIN32 */
  46
  47 typedef __int64 signed64;
  48 typedef unsigned __int64 unsigned64;
  49
  50 #endif /* _WIN32 */
  51 #else /* Not GNUC or WIN32 */
  52 /* Not supported */
  53 #endif
  54
  55
  56 #include <stdio.h>
  57 #include <ctype.h>
  58
  59 #ifdef HAVE_STRING_H
  60 #include <string.h>
  61 #else
  62 #ifdef HAVE_STRINGS_H
  63 #include <strings.h>
  64 #endif
  65 #endif
  66
  67 #ifdef HAVE_STDLIB_H
  68 #include <stdlib.h>
  69 #endif
  70
  71 #if !defined (__attribute__) && (!defined(__GNUC__) || __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
  72 #define __attribute__(arg)
  73 #endif
  74
  75
  76
  77 #include "filter_host.h"
  78
  79 typedef struct _line_ref line_ref;
  80 struct _line_ref {
  81   const char *file_name;
  82   int line_nr;
  83 };
  84
  85 /* Error appends a new line, warning and notify do not */
  86 typedef void error_func
  87 (const line_ref *line,
  88  char *msg,
  89  ...);
  90
  91 extern error_func error;
  92 extern error_func warning;
  93 extern error_func notify;
  94
  95
  96 #define ERROR(EXPRESSION) \
  97 do { \
  98   line_ref line; \
  99   line.file_name = filter_filename (__FILE__); \
 100   line.line_nr = __LINE__; \
 101   error (&line, EXPRESSION); \
 102 } while (0)
 103
 104 #define ASSERT(EXPRESSION) \
 105 do { \
 106   if (!(EXPRESSION)) { \
 107     line_ref line; \
 108     line.file_name = filter_filename (__FILE__); \
 109     line.line_nr = __LINE__; \
 110     error(&line, "assertion failed - %s\n", #EXPRESSION); \
 111   } \
 112 } while (0)
 113
 114 #define ZALLOC(TYPE) ((TYPE*) zalloc (sizeof(TYPE)))
 115 #define NZALLOC(TYPE,N) ((TYPE*) zalloc (sizeof(TYPE) * (N)))
 116 #if 0
 117 #define STRDUP(STRING) (strcpy (zalloc (strlen (STRING) + 1), (STRING)))
 118 #define STRNDUP(STRING,LEN) (strncpy (zalloc ((LEN) + 1), (STRING), (LEN)))
 119 #endif
 120
 121 extern void *zalloc
 122 (long size);
 123
 124 extern unsigned target_a2i
 125 (int ms_bit_nr,
 126  const char *a);
 127
 128 extern unsigned i2target
 129 (int ms_bit_nr,
 130  unsigned bit);
 131
 132 extern unsigned long long a2i
 133 (const char *a);
 134
 135
 136 /* Try looking for name in the map table (returning the corresponding
 137    integer value).
 138
 139    If the the sentinal (NAME == NULL) its value if >= zero is returned
 140    as the default. */
 141
 142 typedef struct _name_map {
 143   const char *name;
 144   int i;
 145 } name_map;
 146
 147 extern int name2i
 148 (const char *name,
 149  const name_map *map);
 150
 151 extern const char *i2name
 152 (const int i,
 153  const name_map *map);