sim/igen/misc.h

   1 /* The IGEN simulator generator for GDB, the GNU Debugger.
   2
   3    Copyright 2002-2021 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 enum
  27 {
  28   default_insn_bit_size = 32,
  29   max_insn_bit_size = 64,
  30 };
  31
  32
  33 /* Define a 64bit data type */
  34
  35 #if defined __GNUC__ || defined _WIN32
  36 #ifdef __GNUC__
  37
  38 typedef long long signed64;
  39 typedef unsigned long long unsigned64;
  40
  41 #else /* _WIN32 */
  42
  43 typedef __int64 signed64;
  44 typedef unsigned __int64 unsigned64;
  45
  46 #endif /* _WIN32 */
  47 #else /* Not GNUC or WIN32 */
  48 /* Not supported */
  49 #endif
  50
  51
  52 #include <stdio.h>
  53 #include <ctype.h>
  54 #include <string.h>
  55 #include <stdlib.h>
  56
  57 #if !defined (__attribute__) && (!defined(__GNUC__) || __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
  58 #define __attribute__(arg)
  59 #endif
  60
  61
  62
  63 #include "filter_host.h"
  64
  65 typedef struct _line_ref line_ref;
  66 struct _line_ref
  67 {
  68   const char *file_name;
  69   int line_nr;
  70 };
  71
  72 /* Error appends a new line, warning and notify do not */
  73 typedef void error_func (const line_ref *line, char *msg, ...);
  74
  75 extern error_func error;
  76 extern error_func warning;
  77 extern error_func notify;
  78
  79
  80 #define ERROR(EXPRESSION) \
  81 do { \
  82   line_ref line; \
  83   line.file_name = filter_filename (__FILE__); \
  84   line.line_nr = __LINE__; \
  85   error (&line, EXPRESSION); \
  86 } while (0)
  87
  88 #define ASSERT(EXPRESSION) \
  89 do { \
  90   if (!(EXPRESSION)) { \
  91     line_ref line; \
  92     line.file_name = filter_filename (__FILE__); \
  93     line.line_nr = __LINE__; \
  94     error(&line, "assertion failed - %s\n", #EXPRESSION); \
  95   } \
  96 } while (0)
  97
  98 #define ZALLOC(TYPE) ((TYPE*) zalloc (sizeof(TYPE)))
  99 #define NZALLOC(TYPE,N) ((TYPE*) zalloc (sizeof(TYPE) * (N)))
 100
 101 extern void *zalloc (long size);
 102
 103 extern unsigned target_a2i (int ms_bit_nr, const char *a);
 104
 105 extern unsigned i2target (int ms_bit_nr, unsigned bit);
 106
 107 extern unsigned long long a2i (const char *a);
 108
 109
 110 /* Try looking for name in the map table (returning the corresponding
 111    integer value).
 112
 113    If the the sentinal (NAME == NULL) its value if >= zero is returned
 114    as the default. */
 115
 116 typedef struct _name_map
 117 {
 118   const char *name;
 119   int i;
 120 }
 121 name_map;
 122
 123 extern int name2i (const char *name, const name_map * map);
 124
 125 extern const char *i2name (const int i, const name_map * map);