sim/igen/misc.h

   1 /* The IGEN simulator generator for GDB, the GNU Debugger.
   2
   3    Copyright 2002-2018 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 3 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, see <http://www.gnu.org/licenses/>.  */
  21
  22
  23
  24 /* Frustrating header junk */
  25
  26 #include "config.h"
  27
  28
  29 enum
  30 {
  31   default_insn_bit_size = 32,
  32   max_insn_bit_size = 64,
  33 };
  34
  35
  36 /* Define a 64bit data type */
  37
  38 #if defined __GNUC__ || defined _WIN32
  39 #ifdef __GNUC__
  40
  41 typedef long long signed64;
  42 typedef unsigned long long unsigned64;
  43
  44 #else /* _WIN32 */
  45
  46 typedef __int64 signed64;
  47 typedef unsigned __int64 unsigned64;
  48
  49 #endif /* _WIN32 */
  50 #else /* Not GNUC or WIN32 */
  51 /* Not supported */
  52 #endif
  53
  54
  55 #include <stdio.h>
  56 #include <ctype.h>
  57
  58 #ifdef HAVE_STRING_H
  59 #include <string.h>
  60 #else
  61 #ifdef HAVE_STRINGS_H
  62 #include <strings.h>
  63 #endif
  64 #endif
  65
  66 #ifdef HAVE_STDLIB_H
  67 #include <stdlib.h>
  68 #endif
  69
  70 #if !defined (__attribute__) && (!defined(__GNUC__) || __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
  71 #define __attribute__(arg)
  72 #endif
  73
  74
  75
  76 #include "filter_host.h"
  77
  78 typedef struct _line_ref line_ref;
  79 struct _line_ref
  80 {
  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 (const line_ref *line, char *msg, ...);
  87
  88 extern error_func error;
  89 extern error_func warning;
  90 extern error_func notify;
  91
  92
  93 #define ERROR(EXPRESSION) \
  94 do { \
  95   line_ref line; \
  96   line.file_name = filter_filename (__FILE__); \
  97   line.line_nr = __LINE__; \
  98   error (&line, EXPRESSION); \
  99 } while (0)
 100
 101 #define ASSERT(EXPRESSION) \
 102 do { \
 103   if (!(EXPRESSION)) { \
 104     line_ref line; \
 105     line.file_name = filter_filename (__FILE__); \
 106     line.line_nr = __LINE__; \
 107     error(&line, "assertion failed - %s\n", #EXPRESSION); \
 108   } \
 109 } while (0)
 110
 111 #define ZALLOC(TYPE) ((TYPE*) zalloc (sizeof(TYPE)))
 112 #define NZALLOC(TYPE,N) ((TYPE*) zalloc (sizeof(TYPE) * (N)))
 113
 114 extern void *zalloc (long size);
 115
 116 extern unsigned target_a2i (int ms_bit_nr, const char *a);
 117
 118 extern unsigned i2target (int ms_bit_nr, unsigned bit);
 119
 120 extern unsigned long long a2i (const char *a);
 121
 122
 123 /* Try looking for name in the map table (returning the corresponding
 124    integer value).
 125
 126    If the the sentinal (NAME == NULL) its value if >= zero is returned
 127    as the default. */
 128
 129 typedef struct _name_map
 130 {
 131   const char *name;
 132   int i;
 133 }
 134 name_map;
 135
 136 extern int name2i (const char *name, const name_map * map);
 137
 138 extern const char *i2name (const int i, const name_map * map);