1 /* This file is part of the program psim.
3 Copyright (C) 1994-1995,1998, Andrew Cagney <cagney@highland.com.au>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, see <http://www.gnu.org/licenses/>.
21 #ifndef _SIM_CALLBACKS_H_
22 #define _SIM_CALLBACKS_H_
26 Functions to report diagnostic information to the user. */
28 #define printf_filtered sim_io_printf_filtered
29 void sim_io_printf_filtered
30 (const char *msg
, ...) __attribute__ ((format (printf
, 1, 2)));
33 (const char *msg
, ...);
36 /* External environment:
38 Some HOST OS's require regular polling so that external events such
39 as GUI io can be handled. */
48 These functions provide the interface between the modeled targets
49 standard input and output streams and the hosts external
52 The underlying model is responsible for co-ordinating I/O
57 const char mess[] = "Hello World\r\n";
61 write(out, mess, sizeof(mess))
64 That is to say, the underlying model would, in implementing dup()
65 recorded the fact that any output directed at fid-OUT should be
66 displayed using sim_io_write_stdout(). While for the code stub:
70 const char mess[] = "Hello World\r\n";
73 out = open("output", 0x0001|0x0200, 0); // write+create
75 write(out, mess, sizeof(mess))
78 would result in output to fid-1 being directed towards the file
93 enum { sim_io_eof
= -1, sim_io_not_ready
= -2, }; /* See: IEEE 1275 */
100 #define flush_stdoutput sim_io_flush_stdoutput
101 void sim_io_flush_stdoutput
105 /* Simulator instance. */
106 extern psim
*simulator
;
109 /* Memory management with an allocator that clears memory before use. */
114 #define ZALLOC(TYPE) (TYPE*)zalloc(sizeof (TYPE))
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