1 /* Remote target system call callback support.
2 Copyright 1997 Free Software Foundation, Inc.
4 This file is part of GDB.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
25 #ifdef ANSI_PROTOTYPES
32 typedef struct host_callback_struct host_callback
;
34 #define MAX_CALLBACK_FDS 10
36 struct host_callback_struct
38 int (*close
) PARAMS ((host_callback
*,int));
39 int (*get_errno
) PARAMS ((host_callback
*));
40 int (*isatty
) PARAMS ((host_callback
*, int));
41 int (*lseek
) PARAMS ((host_callback
*, int, long , int));
42 int (*open
) PARAMS ((host_callback
*, const char*, int mode
));
43 int (*read
) PARAMS ((host_callback
*,int, char *, int));
44 int (*read_stdin
) PARAMS (( host_callback
*, char *, int));
45 int (*rename
) PARAMS ((host_callback
*, const char *, const char *));
46 int (*system
) PARAMS ((host_callback
*, const char *));
47 long (*time
) PARAMS ((host_callback
*, long *));
48 int (*unlink
) PARAMS ((host_callback
*, const char *));
49 int (*write
) PARAMS ((host_callback
*,int, const char *, int));
50 int (*write_stdout
) PARAMS ((host_callback
*, const char *, int));
51 void (*flush_stdout
) PARAMS ((host_callback
*));
52 int (*write_stderr
) PARAMS ((host_callback
*, const char *, int));
53 void (*flush_stderr
) PARAMS ((host_callback
*));
55 /* When present, call to the client to give it the oportunity to
56 poll any io devices for a request to quit (indicated by a nonzero
58 int (*poll_quit
) PARAMS ((host_callback
*));
60 /* Used when the target has gone away, so we can close open
61 handles and free memory etc etc. */
62 int (*shutdown
) PARAMS ((host_callback
*));
63 int (*init
) PARAMS ((host_callback
*));
65 /* depreciated, use vprintf_filtered - Talk to the user on a console. */
66 void (*printf_filtered
) PARAMS ((host_callback
*, const char *, ...));
68 /* Talk to the user on a console. */
69 void (*vprintf_filtered
) PARAMS ((host_callback
*, const char *, va_list));
71 /* Same as vprintf_filtered but to stderr. */
72 void (*evprintf_filtered
) PARAMS ((host_callback
*, const char *, va_list));
74 /* Print an error message and "exit".
75 In the case of gdb "exiting" means doing a longjmp back to the main
77 void (*error
) PARAMS ((host_callback
*, const char *, ...));
79 int last_errno
; /* host format */
81 int fdmap
[MAX_CALLBACK_FDS
];
82 char fdopen
[MAX_CALLBACK_FDS
];
83 char alwaysopen
[MAX_CALLBACK_FDS
];
85 /* Marker for thse wanting to do sanity checks.
86 This should remain the last memeber of this struct to help catch
87 miscompilation errors. */
88 #define HOST_CALLBACK_MAGIC 4705 /* teds constant */
92 extern host_callback default_callback
;
94 /* Mapping of host/target values. */
95 /* ??? For debugging purposes, one might want to add a string of the
96 name of the symbol. */
103 extern target_defs_map errno_map
[];
104 extern target_defs_map open_map
[];
106 extern int host_to_target_errno
PARAMS ((int));
107 extern int target_to_host_open
PARAMS ((int));