sim/igen/misc.h

   1 /* The IGEN simulator generator for GDB, the GNU Debugger.
   2
   3    Copyright 2002-2024 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 #ifndef IGEN_MISC_H
  23 #define IGEN_MISC_H
  24
  25 /* Frustrating header junk */
  26
  27 enum
  28 {
  29   default_insn_bit_size = 32,
  30   max_insn_bit_size = 64,
  31 };
  32
  33
  34 #include <ctype.h>
  35 #include <stdint.h>
  36 #include <stdio.h>
  37 #include <stdlib.h>
  38 #include <string.h>
  39
  40 #include "ansidecl.h"
  41
  42 #include "filter_host.h"
  43
  44 typedef struct _line_ref line_ref;
  45 struct _line_ref
  46 {
  47   const char *file_name;
  48   int line_nr;
  49 };
  50
  51 /* Error appends a new line, warning and notify do not */
  52 typedef void error_func (const line_ref *line, const char *msg, ...)
  53   ATTRIBUTE_PRINTF_2;
  54
  55 extern error_func error ATTRIBUTE_PRINTF_2 ATTRIBUTE_NORETURN;
  56 extern error_func warning ATTRIBUTE_PRINTF_2;
  57 extern error_func notify ATTRIBUTE_PRINTF_2;
  58
  59
  60 #define ERROR(EXPRESSION, args...) \
  61 do { \
  62   line_ref line; \
  63   line.file_name = filter_filename (__FILE__); \
  64   line.line_nr = __LINE__; \
  65   error (&line, EXPRESSION "\n", ## args); \
  66 } while (0)
  67
  68 #define ASSERT(EXPRESSION) \
  69 do { \
  70   if (!(EXPRESSION)) { \
  71     line_ref line; \
  72     line.file_name = filter_filename (__FILE__); \
  73     line.line_nr = __LINE__; \
  74     error (&line, "assertion failed - %s\n", #EXPRESSION); \
  75   } \
  76 } while (0)
  77
  78 #define ZALLOC(TYPE) ((TYPE*) zalloc (sizeof(TYPE)))
  79 #define NZALLOC(TYPE,N) ((TYPE*) zalloc (sizeof(TYPE) * (N)))
  80
  81 extern void *zalloc (long size);
  82
  83 extern unsigned target_a2i (int ms_bit_nr, const char *a);
  84
  85 extern unsigned i2target (int ms_bit_nr, unsigned bit);
  86
  87 extern unsigned long long a2i (const char *a);
  88
  89
  90 /* Try looking for name in the map table (returning the corresponding
  91    integer value).
  92
  93    If the the sentinal (NAME == NULL) its value if >= zero is returned
  94    as the default. */
  95
  96 typedef struct _name_map
  97 {
  98   const char *name;
  99   int i;
 100 }
 101 name_map;
 102
 103 extern int name2i (const char *name, const name_map * map);
 104
 105 extern const char *i2name (const int i, const name_map * map);
 106
 107 #endif /* IGEN_MISC_H */