sim/common/sim-basics.h

   1 /* The common simulator framework for GDB, the GNU Debugger.
   2
   3    Copyright 2002-2019 Free Software Foundation, Inc.
   4
   5    Contributed by Andrew Cagney and Red Hat.
   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 #ifndef SIM_BASICS_H
  24 #define SIM_BASICS_H
  25
  26
  27 /* Basic configuration */
  28
  29 #ifdef HAVE_CONFIG_H
  30 #include "config.h"
  31 #endif
  32
  33 /* Basic host dependant mess - hopefully <stdio.h> + <stdarg.h> will
  34    bring potential conflicts out in the open */
  35
  36 #include <stdarg.h>
  37 #include <stdio.h>
  38 #include <setjmp.h>
  39
  40 #ifdef __CYGWIN32__
  41 extern int vasprintf (char **result, const char *format, va_list args);
  42 extern int asprintf (char **result, const char *format, ...);
  43 #endif
  44
  45
  46 #ifndef NULL
  47 #define NULL 0
  48 #endif
  49
  50
  51 #ifndef min
  52 #define min(a, b) ((a) < (b) ? (a) : (b))
  53 #endif
  54 #ifndef max
  55 #define max(a, b) ((a) > (b) ? (a) : (b))
  56 #endif
  57
  58
  59 /* Some versions of GCC include an attribute operator, define it */
  60
  61 #if !defined (__attribute__)
  62 #if (!defined(__GNUC__) || (__GNUC__ < 2) || (__GNUC__ == 2 && __GNUC_MINOR__ < 6))
  63 #define __attribute__(arg)
  64 #endif
  65 #endif
  66
  67
  68 /* Global types that code manipulates */
  69
  70 struct hw;
  71 struct _sim_fpu;
  72
  73
  74 /* Generic address space (maps) and access attributes */
  75
  76 enum {
  77   read_map = 0,
  78   write_map = 1,
  79   exec_map = 2,
  80   io_map = 3,
  81   nr_maps = 32, /* something small */
  82 };
  83
  84 enum {
  85   access_invalid = 0,
  86   access_read = 1 << read_map,
  87   access_write = 1 << write_map,
  88   access_exec = 1 << exec_map,
  89   access_io = 1 << io_map,
  90 };
  91
  92 enum {
  93   access_read_write = (access_read | access_write),
  94   access_read_exec = (access_read | access_exec),
  95   access_write_exec = (access_write | access_exec),
  96   access_read_write_exec = (access_read | access_write | access_exec),
  97   access_read_io = (access_read | access_io),
  98   access_write_io = (access_write | access_io),
  99   access_read_write_io = (access_read | access_write | access_io),
 100   access_exec_io = (access_exec | access_io),
 101   access_read_exec_io = (access_read | access_exec | access_io),
 102   access_write_exec_io = (access_write | access_exec | access_io),
 103   access_read_write_exec_io = (access_read | access_write | access_exec | access_io),
 104 };
 105
 106
 107 /* disposition of an object when things are reset */
 108
 109 typedef enum {
 110   permenant_object,
 111   temporary_object,
 112 } object_disposition;
 113
 114
 115 /* Memory transfer types */
 116
 117 typedef enum _transfer_type {
 118   read_transfer,
 119   write_transfer,
 120 } transfer_type;
 121
 122
 123 /* directions */
 124
 125 typedef enum {
 126   bidirect_port,
 127   input_port,
 128   output_port,
 129 } port_direction;
 130
 131
 132 \f
 133 /* Basic definitions - ordered so that nothing calls what comes after it.  */
 134
 135 #include "ansidecl.h"
 136 #include "gdb/callback.h"
 137 #include "gdb/remote-sim.h"
 138
 139 #include "sim-config.h"
 140
 141 #include "sim-inline.h"
 142
 143 #include "sim-types.h"
 144 #include "sim-bits.h"
 145 #include "sim-endian.h"
 146 #include "sim-signal.h"
 147
 148 #include "sim-utils.h"
 149
 150 /* Note: Only the simpler interfaces are defined here.  More heavy
 151    weight objects, such as core and events, are defined in the more
 152    serious sim-base.h header. */
 153
 154 #endif /* SIM_BASICS_H */