sim/igen/misc.h

   1 /* The IGEN simulator generator for GDB, the GNU Debugger.
   2
   3    Copyright 2002-2022 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 #include <ctype.h>
  34 #include <stdint.h>
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <string.h>
  38
  39 #if !defined (__attribute__) && (!defined(__GNUC__) || __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
  40 #define __attribute__(arg)
  41 #endif
  42
  43
  44
  45 #include "filter_host.h"
  46
  47 typedef struct _line_ref line_ref;
  48 struct _line_ref
  49 {
  50   const char *file_name;
  51   int line_nr;
  52 };
  53
  54 /* Error appends a new line, warning and notify do not */
  55 typedef void error_func (const line_ref *line, char *msg, ...);
  56
  57 extern error_func error;
  58 extern error_func warning;
  59 extern error_func notify;
  60
  61
  62 #define ERROR(EXPRESSION) \
  63 do { \
  64   line_ref line; \
  65   line.file_name = filter_filename (__FILE__); \
  66   line.line_nr = __LINE__; \
  67   error (&line, EXPRESSION "\n"); \
  68 } while (0)
  69
  70 #define ASSERT(EXPRESSION) \
  71 do { \
  72   if (!(EXPRESSION)) { \
  73     line_ref line; \
  74     line.file_name = filter_filename (__FILE__); \
  75     line.line_nr = __LINE__; \
  76     error (&line, "assertion failed - %s\n", #EXPRESSION); \
  77   } \
  78 } while (0)
  79
  80 #define ZALLOC(TYPE) ((TYPE*) zalloc (sizeof(TYPE)))
  81 #define NZALLOC(TYPE,N) ((TYPE*) zalloc (sizeof(TYPE) * (N)))
  82
  83 extern void *zalloc (long size);
  84
  85 extern unsigned target_a2i (int ms_bit_nr, const char *a);
  86
  87 extern unsigned i2target (int ms_bit_nr, unsigned bit);
  88
  89 extern unsigned long long a2i (const char *a);
  90
  91
  92 /* Try looking for name in the map table (returning the corresponding
  93    integer value).
  94
  95    If the the sentinal (NAME == NULL) its value if >= zero is returned
  96    as the default. */
  97
  98 typedef struct _name_map
  99 {
 100   const char *name;
 101   int i;
 102 }
 103 name_map;
 104
 105 extern int name2i (const char *name, const name_map * map);
 106
 107 extern const char *i2name (const int i, const name_map * map);