| 1 | /* Generic support for remote debugging interfaces. |
| 2 | |
| 3 | Copyright 1993, 1994, 2000, 2001 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GDB. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 2 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 59 Temple Place - Suite 330, |
| 20 | Boston, MA 02111-1307, USA. */ |
| 21 | |
| 22 | #ifndef REMOTE_UTILS_H |
| 23 | #define REMOTE_UTILS_H |
| 24 | |
| 25 | #include "target.h" |
| 26 | struct serial; |
| 27 | |
| 28 | /* Stuff that should be shared (and handled consistently) among the various |
| 29 | remote targets. */ |
| 30 | |
| 31 | struct _sr_settings |
| 32 | { |
| 33 | unsigned int timeout; |
| 34 | |
| 35 | int retries; |
| 36 | |
| 37 | char *device; |
| 38 | struct serial *desc; |
| 39 | |
| 40 | }; |
| 41 | |
| 42 | extern struct _sr_settings sr_settings; |
| 43 | |
| 44 | /* get and set debug value. */ |
| 45 | #define sr_get_debug() (remote_debug) |
| 46 | #define sr_set_debug(newval) (remote_debug = (newval)) |
| 47 | |
| 48 | /* get and set timeout. */ |
| 49 | #define sr_get_timeout() (sr_settings.timeout) |
| 50 | #define sr_set_timeout(newval) (sr_settings.timeout = (newval)) |
| 51 | |
| 52 | /* get and set device. */ |
| 53 | #define sr_get_device() (sr_settings.device) |
| 54 | #define sr_set_device(newval) \ |
| 55 | { \ |
| 56 | if (sr_settings.device) xfree (sr_settings.device); \ |
| 57 | sr_settings.device = (newval); \ |
| 58 | } |
| 59 | |
| 60 | /* get and set descriptor value. */ |
| 61 | #define sr_get_desc() (sr_settings.desc) |
| 62 | #define sr_set_desc(newval) (sr_settings.desc = (newval)) |
| 63 | |
| 64 | /* get and set retries. */ |
| 65 | #define sr_get_retries() (sr_settings.retries) |
| 66 | #define sr_set_retries(newval) (sr_settings.retries = (newval)) |
| 67 | |
| 68 | #define sr_is_open() (sr_settings.desc != NULL) |
| 69 | |
| 70 | #define sr_check_open() { if (!sr_is_open()) \ |
| 71 | error ("Remote device not open"); } |
| 72 | |
| 73 | struct gr_settings |
| 74 | { |
| 75 | char *prompt; |
| 76 | struct target_ops *ops; |
| 77 | int (*clear_all_breakpoints) (void); |
| 78 | void (*checkin) (void); |
| 79 | }; |
| 80 | |
| 81 | extern struct gr_settings *gr_settings; |
| 82 | |
| 83 | /* get and set prompt. */ |
| 84 | #define gr_get_prompt() (gr_settings->prompt) |
| 85 | #define gr_set_prompt(newval) (gr_settings->prompt = (newval)) |
| 86 | |
| 87 | /* get and set ops. */ |
| 88 | #define gr_get_ops() (gr_settings->ops) |
| 89 | #define gr_set_ops(newval) (gr_settings->ops = (newval)) |
| 90 | |
| 91 | #define gr_clear_all_breakpoints() ((gr_settings->clear_all_breakpoints)()) |
| 92 | #define gr_checkin() ((gr_settings->checkin)()) |
| 93 | |
| 94 | /* Keep discarding input until we see the prompt. |
| 95 | |
| 96 | The convention for dealing with the prompt is that you |
| 97 | o give your command |
| 98 | o *then* wait for the prompt. |
| 99 | |
| 100 | Thus the last thing that a procedure does with the serial line |
| 101 | will be an gr_expect_prompt(). Exception: resume does not |
| 102 | wait for the prompt, because the terminal is being handed over |
| 103 | to the inferior. However, the next thing which happens after that |
| 104 | is a bug_wait which does wait for the prompt. |
| 105 | Note that this includes abnormal exit, e.g. error(). This is |
| 106 | necessary to prevent getting into states from which we can't |
| 107 | recover. */ |
| 108 | |
| 109 | #define gr_expect_prompt() sr_expect(gr_get_prompt()) |
| 110 | |
| 111 | int gr_multi_scan (char *list[], int passthrough); |
| 112 | int sr_get_hex_digit (int ignore_space); |
| 113 | int sr_pollchar (void); |
| 114 | int sr_readchar (void); |
| 115 | int sr_timed_read (char *buf, int n); |
| 116 | long sr_get_hex_word (void); |
| 117 | void gr_close (int quitting); |
| 118 | void gr_create_inferior (char *execfile, char *args, char **env); |
| 119 | void gr_detach (char *args, int from_tty); |
| 120 | void gr_files_info (struct target_ops *ops); |
| 121 | void gr_generic_checkin (void); |
| 122 | void gr_kill (void); |
| 123 | void gr_mourn (void); |
| 124 | void gr_prepare_to_store (void); |
| 125 | void sr_expect (char *string); |
| 126 | void sr_get_hex_byte (char *byt); |
| 127 | void sr_scan_args (char *proto, char *args); |
| 128 | void sr_write (char *a, int l); |
| 129 | void sr_write_cr (char *s); |
| 130 | |
| 131 | void gr_open (char *args, int from_tty, struct gr_settings *gr_settings); |
| 132 | void gr_load_image (char *, int from_tty); |
| 133 | #endif /* REMOTE_UTILS_H */ |