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4389a95a AC |
1 | /* MI Command Set for GDB, the GNU debugger. |
2 | ||
4c38e0a4 | 3 | Copyright (C) 2000, 2001, 2003, 2007, 2008, 2009, 2010 |
0fb0cc75 | 4 | Free Software Foundation, Inc. |
4389a95a | 5 | |
ab91fdd5 | 6 | Contributed by Cygnus Solutions (a Red Hat company). |
fb40c209 AC |
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 | |
a9762ec7 | 12 | the Free Software Foundation; either version 3 of the License, or |
fb40c209 AC |
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 | |
a9762ec7 | 21 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
fb40c209 AC |
22 | |
23 | #include "defs.h" | |
24 | #include "top.h" | |
25 | #include "mi-cmds.h" | |
27b82ed2 | 26 | #include "gdb_string.h" |
fb40c209 AC |
27 | |
28 | extern void _initialize_mi_cmds (void); | |
29 | struct mi_cmd; | |
30 | static struct mi_cmd **lookup_table (const char *command); | |
31 | static void build_table (struct mi_cmd *commands); | |
32 | ||
33 | ||
34 | struct mi_cmd mi_cmds[] = | |
35 | { | |
9e22b03a | 36 | { "break-after", { "ignore", 1 }, NULL }, |
9e22b03a | 37 | { "break-condition", { "cond", 1 }, NULL }, |
48cb2d85 | 38 | { "break-commands", { NULL, 0 }, mi_cmd_break_commands }, |
9e22b03a VP |
39 | { "break-delete", { "delete breakpoint", 1 }, NULL }, |
40 | { "break-disable", { "disable breakpoint", 1 }, NULL }, | |
41 | { "break-enable", { "enable breakpoint", 1 }, NULL }, | |
42 | { "break-info", { "info break", 1 }, NULL }, | |
43 | { "break-insert", { NULL, 0 }, mi_cmd_break_insert}, | |
44 | { "break-list", { "info break", }, NULL }, | |
45 | { "break-watch", { NULL, 0 }, mi_cmd_break_watch}, | |
46 | { "data-disassemble", { NULL, 0 }, mi_cmd_disassemble}, | |
47 | { "data-evaluate-expression", { NULL, 0 }, mi_cmd_data_evaluate_expression}, | |
48 | { "data-list-changed-registers", { NULL, 0 }, mi_cmd_data_list_changed_registers}, | |
49 | { "data-list-register-names", { NULL, 0 }, mi_cmd_data_list_register_names}, | |
50 | { "data-list-register-values", { NULL, 0 }, mi_cmd_data_list_register_values}, | |
51 | { "data-read-memory", { NULL, 0 }, mi_cmd_data_read_memory}, | |
52 | { "data-write-memory", { NULL, 0 }, mi_cmd_data_write_memory}, | |
53 | { "data-write-register-values", { NULL, 0 }, mi_cmd_data_write_register_values}, | |
54 | { "enable-timings", { NULL, 0 }, mi_cmd_enable_timings}, | |
0cc7d26f | 55 | { "enable-pretty-printing", { NULL, 0 }, mi_cmd_enable_pretty_printing}, |
9e22b03a VP |
56 | { "environment-cd", { NULL, 0 }, mi_cmd_env_cd}, |
57 | { "environment-directory", { NULL, 0 }, mi_cmd_env_dir}, | |
58 | { "environment-path", { NULL, 0 }, mi_cmd_env_path}, | |
59 | { "environment-pwd", { NULL, 0 }, mi_cmd_env_pwd}, | |
9e22b03a | 60 | { "exec-arguments", { "set args", 1 }, NULL }, |
b2af646b AC |
61 | { "exec-continue", { NULL, 0 }, mi_cmd_exec_continue}, |
62 | { "exec-finish", { NULL, 0 }, mi_cmd_exec_finish}, | |
143260c9 | 63 | { "exec-jump", { NULL, 0 }, mi_cmd_exec_jump}, |
b2af646b AC |
64 | { "exec-interrupt", { NULL, 0 }, mi_cmd_exec_interrupt}, |
65 | { "exec-next", { NULL, 0 }, mi_cmd_exec_next}, | |
66 | { "exec-next-instruction", { NULL, 0 }, mi_cmd_exec_next_instruction}, | |
67 | { "exec-return", { NULL, 0 }, mi_cmd_exec_return}, | |
1b98914a | 68 | { "exec-run", { "run", 1 }, NULL}, |
b2af646b AC |
69 | { "exec-step", { NULL, 0 }, mi_cmd_exec_step}, |
70 | { "exec-step-instruction", { NULL, 0 }, mi_cmd_exec_step_instruction}, | |
1b98914a | 71 | { "exec-until", { "until", 1 }, NULL}, |
9e22b03a VP |
72 | { "file-exec-and-symbols", { "file", 1 }, NULL }, |
73 | { "file-exec-file", { "exec-file", 1 }, NULL }, | |
9e22b03a VP |
74 | { "file-list-exec-source-file", { NULL, 0 }, mi_cmd_file_list_exec_source_file}, |
75 | { "file-list-exec-source-files", { NULL, 0 }, mi_cmd_file_list_exec_source_files }, | |
9e22b03a | 76 | { "file-symbol-file", { "symbol-file", 1 }, NULL }, |
9e22b03a VP |
77 | { "gdb-exit", { NULL, 0 }, mi_cmd_gdb_exit}, |
78 | { "gdb-set", { "set", 1 }, NULL }, | |
79 | { "gdb-show", { "show", 1 }, NULL }, | |
b2af646b | 80 | { "gdb-version", { "show version", 0 }, 0 }, |
9e22b03a VP |
81 | { "inferior-tty-set", { NULL, 0 }, mi_cmd_inferior_tty_set}, |
82 | { "inferior-tty-show", { NULL, 0 }, mi_cmd_inferior_tty_show}, | |
83 | { "interpreter-exec", { NULL, 0 }, mi_cmd_interpreter_exec}, | |
84 | { "list-features", { NULL, 0 }, mi_cmd_list_features}, | |
c6ebd6cf | 85 | { "list-target-features", { NULL, 0 }, mi_cmd_list_target_features}, |
3ee1c036 | 86 | { "list-thread-groups", { NULL, 0 }, mi_cmd_list_thread_groups }, |
9e22b03a VP |
87 | { "stack-info-depth", { NULL, 0 }, mi_cmd_stack_info_depth}, |
88 | { "stack-info-frame", { NULL, 0 }, mi_cmd_stack_info_frame}, | |
89 | { "stack-list-arguments", { NULL, 0 }, mi_cmd_stack_list_args}, | |
9e22b03a VP |
90 | { "stack-list-frames", { NULL, 0 }, mi_cmd_stack_list_frames}, |
91 | { "stack-list-locals", { NULL, 0 }, mi_cmd_stack_list_locals}, | |
daf3c977 | 92 | { "stack-list-variables", { NULL, 0 }, mi_cmd_stack_list_variables}, |
9e22b03a | 93 | { "stack-select-frame", { NULL, 0 }, mi_cmd_stack_select_frame}, |
9e22b03a | 94 | { "symbol-list-lines", { NULL, 0 }, mi_cmd_symbol_list_lines}, |
711eabed | 95 | { "target-attach", { "attach", 1 }, NULL }, |
6418d433 | 96 | { "target-detach", { NULL, 0 }, mi_cmd_target_detach }, |
b2af646b | 97 | { "target-disconnect", { "disconnect", 0 }, 0 }, |
1b98914a | 98 | { "target-download", { "load", 1 }, NULL}, |
9e22b03a VP |
99 | { "target-file-delete", { NULL, 0 }, mi_cmd_target_file_delete }, |
100 | { "target-file-get", { NULL, 0 }, mi_cmd_target_file_get }, | |
101 | { "target-file-put", { NULL, 0 }, mi_cmd_target_file_put }, | |
1b98914a | 102 | { "target-select", { "target", 1 }, NULL}, |
9e22b03a VP |
103 | { "thread-info", { NULL, 0 }, mi_cmd_thread_info }, |
104 | { "thread-list-ids", { NULL, 0 }, mi_cmd_thread_list_ids}, | |
105 | { "thread-select", { NULL, 0 }, mi_cmd_thread_select}, | |
9e22b03a VP |
106 | { "var-assign", { NULL, 0 }, mi_cmd_var_assign}, |
107 | { "var-create", { NULL, 0 }, mi_cmd_var_create}, | |
108 | { "var-delete", { NULL, 0 }, mi_cmd_var_delete}, | |
109 | { "var-evaluate-expression", { NULL, 0 }, mi_cmd_var_evaluate_expression}, | |
110 | { "var-info-path-expression", { NULL, 0 }, mi_cmd_var_info_path_expression}, | |
111 | { "var-info-expression", { NULL, 0 }, mi_cmd_var_info_expression}, | |
112 | { "var-info-num-children", { NULL, 0 }, mi_cmd_var_info_num_children}, | |
113 | { "var-info-type", { NULL, 0 }, mi_cmd_var_info_type}, | |
114 | { "var-list-children", { NULL, 0 }, mi_cmd_var_list_children}, | |
115 | { "var-set-format", { NULL, 0 }, mi_cmd_var_set_format}, | |
116 | { "var-set-frozen", { NULL, 0 }, mi_cmd_var_set_frozen}, | |
0cc7d26f | 117 | { "var-set-update-range", { NULL, 0 }, mi_cmd_var_set_update_range }, |
b6313243 | 118 | { "var-set-visualizer", { NULL, 0 }, mi_cmd_var_set_visualizer}, |
9e22b03a VP |
119 | { "var-show-attributes", { NULL, 0 }, mi_cmd_var_show_attributes}, |
120 | { "var-show-format", { NULL, 0 }, mi_cmd_var_show_format}, | |
121 | { "var-update", { NULL, 0 }, mi_cmd_var_update}, | |
b2af646b | 122 | { NULL, } |
fb40c209 AC |
123 | }; |
124 | ||
125 | /* Pointer to the mi command table (built at run time) */ | |
126 | ||
127 | static struct mi_cmd **mi_table; | |
128 | ||
129 | /* A prime large enough to accomodate the entire command table */ | |
130 | enum | |
131 | { | |
132 | MI_TABLE_SIZE = 227 | |
133 | }; | |
134 | ||
135 | /* Exported function used to obtain info from the table */ | |
136 | struct mi_cmd * | |
137 | mi_lookup (const char *command) | |
138 | { | |
139 | return *lookup_table (command); | |
140 | } | |
141 | ||
142 | /* stat collecting */ | |
143 | struct mi_cmd_stats | |
144 | { | |
145 | int hit; | |
146 | int miss; | |
147 | int rehash; | |
148 | }; | |
149 | struct mi_cmd_stats stats; | |
150 | ||
151 | /* our lookup function */ | |
152 | static struct mi_cmd ** | |
153 | lookup_table (const char *command) | |
154 | { | |
155 | const char *chp; | |
156 | unsigned int index = 0; | |
157 | /* compute our hash */ | |
158 | for (chp = command; *chp; chp++) | |
159 | { | |
160 | /* some what arbitrary */ | |
161 | index = ((index << 6) + (unsigned int) *chp) % MI_TABLE_SIZE; | |
162 | } | |
163 | /* look it up */ | |
164 | while (1) | |
165 | { | |
166 | struct mi_cmd **entry = &mi_table[index]; | |
167 | if ((*entry) == 0) | |
168 | { | |
169 | /* not found, return pointer to next free. */ | |
170 | stats.miss++; | |
171 | return entry; | |
172 | } | |
173 | if (strcmp (command, (*entry)->name) == 0) | |
174 | { | |
175 | stats.hit++; | |
176 | return entry; /* found */ | |
177 | } | |
178 | index = (index + 1) % MI_TABLE_SIZE; | |
179 | stats.rehash++; | |
180 | } | |
181 | } | |
182 | ||
183 | static void | |
184 | build_table (struct mi_cmd *commands) | |
185 | { | |
186 | int nr_rehash = 0; | |
187 | int nr_entries = 0; | |
188 | struct mi_cmd *command; | |
189 | int sizeof_table = sizeof (struct mi_cmd **) * MI_TABLE_SIZE; | |
190 | ||
191 | mi_table = xmalloc (sizeof_table); | |
192 | memset (mi_table, 0, sizeof_table); | |
193 | for (command = commands; command->name != 0; command++) | |
194 | { | |
195 | struct mi_cmd **entry = lookup_table (command->name); | |
196 | if (*entry) | |
8e65ff28 | 197 | internal_error (__FILE__, __LINE__, |
e2e0b3e5 | 198 | _("command `%s' appears to be duplicated"), |
fb40c209 AC |
199 | command->name); |
200 | *entry = command; | |
201 | if (0) | |
202 | { | |
203 | fprintf_unfiltered (gdb_stdlog, "%-30s %2d\n", | |
204 | command->name, stats.rehash - nr_rehash); | |
205 | } | |
206 | nr_entries++; | |
207 | nr_rehash = stats.rehash; | |
208 | } | |
209 | if (0) | |
210 | { | |
211 | fprintf_filtered (gdb_stdlog, "Average %3.1f\n", | |
212 | (double) nr_rehash / (double) nr_entries); | |
213 | } | |
214 | } | |
215 | ||
216 | void | |
fba45db2 | 217 | _initialize_mi_cmds (void) |
fb40c209 AC |
218 | { |
219 | build_table (mi_cmds); | |
220 | memset (&stats, 0, sizeof (stats)); | |
221 | } |