sim/igen/misc.h

   1 /* The IGEN simulator generator for GDB, the GNU Debugger.
   2
   3    Copyright 2002, 2007 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 {
  33   default_insn_bit_size = 32,
  34   max_insn_bit_size = 64,
  35 };
  36
  37
  38 /* Define a 64bit data type */
  39
  40 #if defined __GNUC__ || defined _WIN32
  41 #ifdef __GNUC__
  42
  43 typedef long long signed64;
  44 typedef unsigned long long unsigned64;
  45
  46 #else /* _WIN32 */
  47
  48 typedef __int64 signed64;
  49 typedef unsigned __int64 unsigned64;
  50
  51 #endif /* _WIN32 */
  52 #else /* Not GNUC or WIN32 */
  53 /* Not supported */
  54 #endif
  55
  56
  57 #include <stdio.h>
  58 #include <ctype.h>
  59
  60 #ifdef HAVE_STRING_H
  61 #include <string.h>
  62 #else
  63 #ifdef HAVE_STRINGS_H
  64 #include <strings.h>
  65 #endif
  66 #endif
  67
  68 #ifdef HAVE_STDLIB_H
  69 #include <stdlib.h>
  70 #endif
  71
  72 #if !defined (__attribute__) && (!defined(__GNUC__) || __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
  73 #define __attribute__(arg)
  74 #endif
  75
  76
  77
  78 #include "filter_host.h"
  79
  80 typedef struct _line_ref line_ref;
  81 struct _line_ref
  82 {
  83   const char *file_name;
  84   int line_nr;
  85 };
  86
  87 /* Error appends a new line, warning and notify do not */
  88 typedef void error_func (const line_ref *line, char *msg, ...);
  89
  90 extern error_func error;
  91 extern error_func warning;
  92 extern error_func notify;
  93
  94
  95 #define ERROR(EXPRESSION) \
  96 do { \
  97   line_ref line; \
  98   line.file_name = filter_filename (__FILE__); \
  99   line.line_nr = __LINE__; \
 100   error (&line, EXPRESSION); \
 101 } while (0)
 102
 103 #define ASSERT(EXPRESSION) \
 104 do { \
 105   if (!(EXPRESSION)) { \
 106     line_ref line; \
 107     line.file_name = filter_filename (__FILE__); \
 108     line.line_nr = __LINE__; \
 109     error(&line, "assertion failed - %s\n", #EXPRESSION); \
 110   } \
 111 } while (0)
 112
 113 #define ZALLOC(TYPE) ((TYPE*) zalloc (sizeof(TYPE)))
 114 #define NZALLOC(TYPE,N) ((TYPE*) zalloc (sizeof(TYPE) * (N)))
 115 #if 0
 116 #define STRDUP(STRING) (strcpy (zalloc (strlen (STRING) + 1), (STRING)))
 117 #define STRNDUP(STRING,LEN) (strncpy (zalloc ((LEN) + 1), (STRING), (LEN)))
 118 #endif
 119
 120 extern void *zalloc (long size);
 121
 122 extern unsigned target_a2i (int ms_bit_nr, const char *a);
 123
 124 extern unsigned i2target (int ms_bit_nr, unsigned bit);
 125
 126 extern unsigned long long a2i (const char *a);
 127
 128
 129 /* Try looking for name in the map table (returning the corresponding
 130    integer value).
 131
 132    If the the sentinal (NAME == NULL) its value if >= zero is returned
 133    as the default. */
 134
 135 typedef struct _name_map
 136 {
 137   const char *name;
 138   int i;
 139 }
 140 name_map;
 141
 142 extern int name2i (const char *name, const name_map * map);
 143
 144 extern const char *i2name (const int i, const name_map * map);