sim/common/sim-basics.h

   1 /* The common simulator framework for GDB, the GNU Debugger.
   2
   3    Copyright 2002, 2004, 2007, 2008, 2009, 2010, 2011
   4    Free Software Foundation, Inc.
   5
   6    Contributed by Andrew Cagney and Red Hat.
   7
   8    This file is part of GDB.
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  22
  23
  24 #ifndef _SIM_BASICS_H_
  25 #define _SIM_BASICS_H_
  26
  27
  28 /* Basic configuration */
  29
  30 #ifdef HAVE_CONFIG_H
  31 #include "cconfig.h"
  32 #endif
  33
  34 /* Basic host dependant mess - hopefully <stdio.h> + <stdarg.h> will
  35    bring potential conflicts out in the open */
  36
  37 #include <stdarg.h>
  38 #include <stdio.h>
  39 #include <setjmp.h>
  40
  41 #ifdef __CYGWIN32__
  42 extern int vasprintf (char **result, const char *format, va_list args);
  43 extern int asprintf (char **result, const char *format, ...);
  44 #endif
  45
  46
  47 #ifndef NULL
  48 #define NULL 0
  49 #endif
  50
  51
  52
  53 /* Some versions of GCC include an attribute operator, define it */
  54
  55 #if !defined (__attribute__)
  56 #if (!defined(__GNUC__) || (__GNUC__ < 2) || (__GNUC__ == 2 && __GNUC_MINOR__ < 6))
  57 #define __attribute__(arg)
  58 #endif
  59 #endif
  60
  61
  62 /* Global types that code manipulates */
  63
  64 typedef struct _device device;
  65 struct hw;
  66 struct _sim_fpu;
  67
  68
  69 /* Generic address space (maps) and access attributes */
  70
  71 enum {
  72   read_map = 0,
  73   write_map = 1,
  74   exec_map = 2,
  75   io_map = 3,
  76   nr_maps = 32, /* something small */
  77 };
  78
  79 enum {
  80   access_invalid = 0,
  81   access_read = 1 << read_map,
  82   access_write = 1 << write_map,
  83   access_exec = 1 << exec_map,
  84   access_io = 1 << io_map,
  85 };
  86
  87 enum {
  88   access_read_write = (access_read | access_write),
  89   access_read_exec = (access_read | access_exec),
  90   access_write_exec = (access_write | access_exec),
  91   access_read_write_exec = (access_read | access_write | access_exec),
  92   access_read_io = (access_read | access_io),
  93   access_write_io = (access_write | access_io),
  94   access_read_write_io = (access_read | access_write | access_io),
  95   access_exec_io = (access_exec | access_io),
  96   access_read_exec_io = (access_read | access_exec | access_io),
  97   access_write_exec_io = (access_write | access_exec | access_io),
  98   access_read_write_exec_io = (access_read | access_write | access_exec | access_io),
  99 };
 100
 101
 102 /* disposition of an object when things are reset */
 103
 104 typedef enum {
 105   permenant_object,
 106   temporary_object,
 107 } object_disposition;
 108
 109
 110 /* Memory transfer types */
 111
 112 typedef enum _transfer_type {
 113   read_transfer,
 114   write_transfer,
 115 } transfer_type;
 116
 117
 118 /* directions */
 119
 120 typedef enum {
 121   bidirect_port,
 122   input_port,
 123   output_port,
 124 } port_direction;
 125
 126
 127 \f
 128 /* Basic definitions - ordered so that nothing calls what comes after it.  */
 129
 130 /* FIXME: conditionalizing tconfig.h on HAVE_CONFIG_H seems wrong.  */
 131 #ifdef HAVE_CONFIG_H
 132 #include "tconfig.h"
 133 #endif
 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 #include "sim-arange.h"
 148
 149 #include "sim-utils.h"
 150
 151 /* Note: Only the simpler interfaces are defined here.  More heavy
 152    weight objects, such as core and events, are defined in the more
 153    serious sim-base.h header. */
 154
 155 #endif /* _SIM_BASICS_H_ */