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efa86080 DE |
1 | /* Remote target system call callback support. |
2 | Copyright 1997 Free Software Foundation, Inc. | |
3 | ||
4 | This file is part of GDB. | |
5 | ||
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. | |
10 | ||
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. | |
15 | ||
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. */ | |
19 | ||
9d10b92d DE |
20 | #ifndef CALLBACK_H |
21 | #define CALLBACK_H | |
22 | ||
23 | typedef struct host_callback_struct host_callback; | |
24 | ||
25 | #define MAX_CALLBACK_FDS 10 | |
26 | ||
27 | struct host_callback_struct | |
28 | { | |
29 | int (*close) PARAMS ((host_callback *,int)); | |
30 | int (*get_errno) PARAMS ((host_callback *)); | |
31 | int (*isatty) PARAMS ((host_callback *, int)); | |
32 | int (*lseek) PARAMS ((host_callback *, int, long , int)); | |
33 | int (*open) PARAMS ((host_callback *, const char*, int mode)); | |
34 | int (*read) PARAMS ((host_callback *,int, char *, int)); | |
35 | int (*read_stdin) PARAMS (( host_callback *, char *, int)); | |
36 | int (*rename) PARAMS ((host_callback *, const char *, const char *)); | |
37 | int (*system) PARAMS ((host_callback *, const char *)); | |
38 | long (*time) PARAMS ((host_callback *, long *)); | |
39 | int (*unlink) PARAMS ((host_callback *, const char *)); | |
40 | int (*write) PARAMS ((host_callback *,int, const char *, int)); | |
41 | int (*write_stdout) PARAMS ((host_callback *, const char *, int)); | |
6d685937 AC |
42 | void (*flush_stdout) PARAMS ((host_callback *)); |
43 | int (*write_stderr) PARAMS ((host_callback *, const char *, int)); | |
44 | void (*flush_stderr) PARAMS ((host_callback *)); | |
9d10b92d DE |
45 | |
46 | /* Used when the target has gone away, so we can close open | |
e1144153 | 47 | handles and free memory etc etc. */ |
9d10b92d DE |
48 | int (*shutdown) PARAMS ((host_callback *)); |
49 | int (*init) PARAMS ((host_callback *)); | |
50 | ||
6d685937 | 51 | /* depreciated, use vprintf_filtered - Talk to the user on a console. */ |
9d10b92d | 52 | void (*printf_filtered) PARAMS ((host_callback *, const char *, ...)); |
6d685937 | 53 | |
efa86080 DE |
54 | /* Talk to the user on a console. |
55 | The `void *' is actually `va_list *'. */ | |
6d685937 AC |
56 | void (*vprintf_filtered) PARAMS ((host_callback *, const char *, void *)); |
57 | ||
efa86080 DE |
58 | /* Same as vprintf_filtered but to stderr. */ |
59 | void (*evprintf_filtered) PARAMS ((host_callback *, const char *, void *)); | |
60 | ||
e1144153 DE |
61 | /* Print an error message and "exit". |
62 | In the case of gdb "exiting" means doing a longjmp back to the main | |
63 | command loop. */ | |
64 | void (*error) PARAMS ((host_callback *, const char *, ...)); | |
9d10b92d DE |
65 | |
66 | int last_errno; /* host format */ | |
67 | ||
68 | int fdmap[MAX_CALLBACK_FDS]; | |
69 | char fdopen[MAX_CALLBACK_FDS]; | |
70 | char alwaysopen[MAX_CALLBACK_FDS]; | |
71 | }; | |
72 | ||
73 | extern host_callback default_callback; | |
74 | ||
75 | /* Mapping of host/target values. */ | |
76 | /* ??? For debugging purposes, one might want to add a string of the | |
77 | name of the symbol. */ | |
78 | ||
79 | typedef struct { | |
80 | int host_val; | |
81 | int target_val; | |
82 | } target_defs_map; | |
83 | ||
84 | extern target_defs_map errno_map[]; | |
85 | extern target_defs_map open_map[]; | |
86 | ||
87 | extern int host_to_target_errno PARAMS ((int)); | |
88 | extern int target_to_host_open PARAMS ((int)); | |
89 | ||
90 | #endif |