1 /* MI Command Set for GDB, the GNU debugger. 2 Copyright (C) 2000-2017 Free Software Foundation, Inc. 3 4 Contributed by Cygnus Solutions (a Red Hat company). 5 6 This file is part of GDB. 7 8 This program is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 3 of the License, or 11 (at your option) any later version. 12 13 This program is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 20 21 #include "defs.h" 22 #include "top.h" 23 #include "mi-cmds.h" 24 #include "mi-main.h" 25 26 extern void _initialize_mi_cmds (void); 27 28 struct mi_cmd; 29 static struct mi_cmd **lookup_table (const char *command); 30 static void build_table (struct mi_cmd *commands); 31 32 static struct mi_cmd mi_cmds[] = 33 { 34 /* Define a MI command of NAME, and its corresponding CLI command is 35 CLI_NAME. */ 36 #define DEF_MI_CMD_CLI_1(NAME, CLI_NAME, ARGS_P, CALLED) \ 37 { NAME, { CLI_NAME, ARGS_P}, NULL, CALLED } 38 #define DEF_MI_CMD_CLI(NAME, CLI_NAME, ARGS_P) \ 39 DEF_MI_CMD_CLI_1(NAME, CLI_NAME, ARGS_P, NULL) 40 41 /* Define a MI command of NAME, and implemented by function MI_FUNC. */ 42 #define DEF_MI_CMD_MI_1(NAME, MI_FUNC, CALLED) \ 43 { NAME, {NULL, 0}, MI_FUNC, CALLED } 44 #define DEF_MI_CMD_MI(NAME, MI_FUNC) DEF_MI_CMD_MI_1(NAME, MI_FUNC, NULL) 45 46 DEF_MI_CMD_MI ("ada-task-info", mi_cmd_ada_task_info), 47 DEF_MI_CMD_MI ("add-inferior", mi_cmd_add_inferior), 48 DEF_MI_CMD_CLI_1 ("break-after", "ignore", 1, 49 &mi_suppress_notification.breakpoint), 50 DEF_MI_CMD_CLI_1 ("break-condition","cond", 1, 51 &mi_suppress_notification.breakpoint), 52 DEF_MI_CMD_MI_1 ("break-commands", mi_cmd_break_commands, 53 &mi_suppress_notification.breakpoint), 54 DEF_MI_CMD_CLI_1 ("break-delete", "delete breakpoint", 1, 55 &mi_suppress_notification.breakpoint), 56 DEF_MI_CMD_CLI_1 ("break-disable", "disable breakpoint", 1, 57 &mi_suppress_notification.breakpoint), 58 DEF_MI_CMD_CLI_1 ("break-enable", "enable breakpoint", 1, 59 &mi_suppress_notification.breakpoint), 60 DEF_MI_CMD_CLI ("break-info", "info break", 1), 61 DEF_MI_CMD_MI_1 ("break-insert", mi_cmd_break_insert, 62 &mi_suppress_notification.breakpoint), 63 DEF_MI_CMD_MI_1 ("dprintf-insert", mi_cmd_dprintf_insert, 64 &mi_suppress_notification.breakpoint), 65 DEF_MI_CMD_CLI ("break-list", "info break", 0), 66 DEF_MI_CMD_MI_1 ("break-passcount", mi_cmd_break_passcount, 67 &mi_suppress_notification.breakpoint), 68 DEF_MI_CMD_MI_1 ("break-watch", mi_cmd_break_watch, 69 &mi_suppress_notification.breakpoint), 70 DEF_MI_CMD_MI_1 ("catch-assert", mi_cmd_catch_assert, 71 &mi_suppress_notification.breakpoint), 72 DEF_MI_CMD_MI_1 ("catch-exception", mi_cmd_catch_exception, 73 &mi_suppress_notification.breakpoint), 74 DEF_MI_CMD_MI_1 ("catch-load", mi_cmd_catch_load, 75 &mi_suppress_notification.breakpoint), 76 DEF_MI_CMD_MI_1 ("catch-unload", mi_cmd_catch_unload, 77 &mi_suppress_notification.breakpoint), 78 DEF_MI_CMD_MI ("data-disassemble", mi_cmd_disassemble), 79 DEF_MI_CMD_MI ("data-evaluate-expression", mi_cmd_data_evaluate_expression), 80 DEF_MI_CMD_MI ("data-list-changed-registers", 81 mi_cmd_data_list_changed_registers), 82 DEF_MI_CMD_MI ("data-list-register-names", mi_cmd_data_list_register_names), 83 DEF_MI_CMD_MI ("data-list-register-values", mi_cmd_data_list_register_values), 84 DEF_MI_CMD_MI ("data-read-memory", mi_cmd_data_read_memory), 85 DEF_MI_CMD_MI ("data-read-memory-bytes", mi_cmd_data_read_memory_bytes), 86 DEF_MI_CMD_MI_1 ("data-write-memory", mi_cmd_data_write_memory, 87 &mi_suppress_notification.memory), 88 DEF_MI_CMD_MI_1 ("data-write-memory-bytes", mi_cmd_data_write_memory_bytes, 89 &mi_suppress_notification.memory), 90 DEF_MI_CMD_MI ("data-write-register-values", 91 mi_cmd_data_write_register_values), 92 DEF_MI_CMD_MI ("enable-timings", mi_cmd_enable_timings), 93 DEF_MI_CMD_MI ("enable-pretty-printing", mi_cmd_enable_pretty_printing), 94 DEF_MI_CMD_MI ("enable-frame-filters", mi_cmd_enable_frame_filters), 95 DEF_MI_CMD_MI ("environment-cd", mi_cmd_env_cd), 96 DEF_MI_CMD_MI ("environment-directory", mi_cmd_env_dir), 97 DEF_MI_CMD_MI ("environment-path", mi_cmd_env_path), 98 DEF_MI_CMD_MI ("environment-pwd", mi_cmd_env_pwd), 99 DEF_MI_CMD_CLI_1 ("exec-arguments", "set args", 1, 100 &mi_suppress_notification.cmd_param_changed), 101 DEF_MI_CMD_MI ("exec-continue", mi_cmd_exec_continue), 102 DEF_MI_CMD_MI ("exec-finish", mi_cmd_exec_finish), 103 DEF_MI_CMD_MI ("exec-jump", mi_cmd_exec_jump), 104 DEF_MI_CMD_MI ("exec-interrupt", mi_cmd_exec_interrupt), 105 DEF_MI_CMD_MI ("exec-next", mi_cmd_exec_next), 106 DEF_MI_CMD_MI ("exec-next-instruction", mi_cmd_exec_next_instruction), 107 DEF_MI_CMD_MI ("exec-return", mi_cmd_exec_return), 108 DEF_MI_CMD_MI ("exec-run", mi_cmd_exec_run), 109 DEF_MI_CMD_MI ("exec-step", mi_cmd_exec_step), 110 DEF_MI_CMD_MI ("exec-step-instruction", mi_cmd_exec_step_instruction), 111 DEF_MI_CMD_CLI ("exec-until", "until", 1), 112 DEF_MI_CMD_CLI ("file-exec-and-symbols", "file", 1), 113 DEF_MI_CMD_CLI ("file-exec-file", "exec-file", 1), 114 DEF_MI_CMD_MI ("file-list-exec-source-file", 115 mi_cmd_file_list_exec_source_file), 116 DEF_MI_CMD_MI ("file-list-exec-source-files", 117 mi_cmd_file_list_exec_source_files), 118 DEF_MI_CMD_MI ("file-list-shared-libraries", 119 mi_cmd_file_list_shared_libraries), 120 DEF_MI_CMD_CLI ("file-symbol-file", "symbol-file", 1), 121 DEF_MI_CMD_MI ("gdb-exit", mi_cmd_gdb_exit), 122 DEF_MI_CMD_CLI_1 ("gdb-set", "set", 1, 123 &mi_suppress_notification.cmd_param_changed), 124 DEF_MI_CMD_CLI ("gdb-show", "show", 1), 125 DEF_MI_CMD_CLI ("gdb-version", "show version", 0), 126 DEF_MI_CMD_MI ("inferior-tty-set", mi_cmd_inferior_tty_set), 127 DEF_MI_CMD_MI ("inferior-tty-show", mi_cmd_inferior_tty_show), 128 DEF_MI_CMD_MI ("info-ada-exceptions", mi_cmd_info_ada_exceptions), 129 DEF_MI_CMD_MI ("info-gdb-mi-command", mi_cmd_info_gdb_mi_command), 130 DEF_MI_CMD_MI ("info-os", mi_cmd_info_os), 131 DEF_MI_CMD_MI ("interpreter-exec", mi_cmd_interpreter_exec), 132 DEF_MI_CMD_MI ("list-features", mi_cmd_list_features), 133 DEF_MI_CMD_MI ("list-target-features", mi_cmd_list_target_features), 134 DEF_MI_CMD_MI ("list-thread-groups", mi_cmd_list_thread_groups), 135 DEF_MI_CMD_MI ("remove-inferior", mi_cmd_remove_inferior), 136 DEF_MI_CMD_MI ("stack-info-depth", mi_cmd_stack_info_depth), 137 DEF_MI_CMD_MI ("stack-info-frame", mi_cmd_stack_info_frame), 138 DEF_MI_CMD_MI ("stack-list-arguments", mi_cmd_stack_list_args), 139 DEF_MI_CMD_MI ("stack-list-frames", mi_cmd_stack_list_frames), 140 DEF_MI_CMD_MI ("stack-list-locals", mi_cmd_stack_list_locals), 141 DEF_MI_CMD_MI ("stack-list-variables", mi_cmd_stack_list_variables), 142 DEF_MI_CMD_MI_1 ("stack-select-frame", mi_cmd_stack_select_frame, 143 &mi_suppress_notification.user_selected_context), 144 DEF_MI_CMD_MI ("symbol-list-lines", mi_cmd_symbol_list_lines), 145 DEF_MI_CMD_CLI ("target-attach", "attach", 1), 146 DEF_MI_CMD_MI ("target-detach", mi_cmd_target_detach), 147 DEF_MI_CMD_CLI ("target-disconnect", "disconnect", 0), 148 DEF_MI_CMD_CLI ("target-download", "load", 1), 149 DEF_MI_CMD_MI ("target-file-delete", mi_cmd_target_file_delete), 150 DEF_MI_CMD_MI ("target-file-get", mi_cmd_target_file_get), 151 DEF_MI_CMD_MI ("target-file-put", mi_cmd_target_file_put), 152 DEF_MI_CMD_MI ("target-flash-erase", mi_cmd_target_flash_erase), 153 DEF_MI_CMD_CLI ("target-select", "target", 1), 154 DEF_MI_CMD_MI ("thread-info", mi_cmd_thread_info), 155 DEF_MI_CMD_MI ("thread-list-ids", mi_cmd_thread_list_ids), 156 DEF_MI_CMD_MI_1 ("thread-select", mi_cmd_thread_select, 157 &mi_suppress_notification.user_selected_context), 158 DEF_MI_CMD_MI ("trace-define-variable", mi_cmd_trace_define_variable), 159 DEF_MI_CMD_MI_1 ("trace-find", mi_cmd_trace_find, 160 &mi_suppress_notification.traceframe), 161 DEF_MI_CMD_MI ("trace-frame-collected", 162 mi_cmd_trace_frame_collected), 163 DEF_MI_CMD_MI ("trace-list-variables", mi_cmd_trace_list_variables), 164 DEF_MI_CMD_MI ("trace-save", mi_cmd_trace_save), 165 DEF_MI_CMD_MI ("trace-start", mi_cmd_trace_start), 166 DEF_MI_CMD_MI ("trace-status", mi_cmd_trace_status), 167 DEF_MI_CMD_MI ("trace-stop", mi_cmd_trace_stop), 168 DEF_MI_CMD_MI ("var-assign", mi_cmd_var_assign), 169 DEF_MI_CMD_MI ("var-create", mi_cmd_var_create), 170 DEF_MI_CMD_MI ("var-delete", mi_cmd_var_delete), 171 DEF_MI_CMD_MI ("var-evaluate-expression", mi_cmd_var_evaluate_expression), 172 DEF_MI_CMD_MI ("var-info-path-expression", mi_cmd_var_info_path_expression), 173 DEF_MI_CMD_MI ("var-info-expression", mi_cmd_var_info_expression), 174 DEF_MI_CMD_MI ("var-info-num-children", mi_cmd_var_info_num_children), 175 DEF_MI_CMD_MI ("var-info-type", mi_cmd_var_info_type), 176 DEF_MI_CMD_MI ("var-list-children", mi_cmd_var_list_children), 177 DEF_MI_CMD_MI ("var-set-format", mi_cmd_var_set_format), 178 DEF_MI_CMD_MI ("var-set-frozen", mi_cmd_var_set_frozen), 179 DEF_MI_CMD_MI ("var-set-update-range", mi_cmd_var_set_update_range), 180 DEF_MI_CMD_MI ("var-set-visualizer", mi_cmd_var_set_visualizer), 181 DEF_MI_CMD_MI ("var-show-attributes", mi_cmd_var_show_attributes), 182 DEF_MI_CMD_MI ("var-show-format", mi_cmd_var_show_format), 183 DEF_MI_CMD_MI ("var-update", mi_cmd_var_update), 184 { NULL, } 185 }; 186 187 /* Pointer to the mi command table (built at run time). */ 188 189 static struct mi_cmd **mi_table; 190 191 /* A prime large enough to accomodate the entire command table. */ 192 enum 193 { 194 MI_TABLE_SIZE = 227 195 }; 196 197 /* Exported function used to obtain info from the table. */ 198 struct mi_cmd * 199 mi_lookup (const char *command) 200 { 201 return *lookup_table (command); 202 } 203 204 /* Used for collecting hash hit/miss statistics. */ 205 206 struct mi_cmd_stats 207 { 208 int hit; 209 int miss; 210 int rehash; 211 }; 212 struct mi_cmd_stats stats; 213 214 /* Look up a command. */ 215 216 static struct mi_cmd ** 217 lookup_table (const char *command) 218 { 219 const char *chp; 220 unsigned int index = 0; 221 222 /* Compute our hash. */ 223 for (chp = command; *chp; chp++) 224 { 225 /* We use a somewhat arbitrary formula. */ 226 index = ((index << 6) + (unsigned int) *chp) % MI_TABLE_SIZE; 227 } 228 229 while (1) 230 { 231 struct mi_cmd **entry = &mi_table[index]; 232 if ((*entry) == 0) 233 { 234 /* not found, return pointer to next free. */ 235 stats.miss++; 236 return entry; 237 } 238 if (strcmp (command, (*entry)->name) == 0) 239 { 240 stats.hit++; 241 return entry; /* found */ 242 } 243 index = (index + 1) % MI_TABLE_SIZE; 244 stats.rehash++; 245 } 246 } 247 248 static void 249 build_table (struct mi_cmd *commands) 250 { 251 int nr_rehash = 0; 252 int nr_entries = 0; 253 struct mi_cmd *command; 254 255 mi_table = XCNEWVEC (struct mi_cmd *, MI_TABLE_SIZE); 256 for (command = commands; command->name != 0; command++) 257 { 258 struct mi_cmd **entry = lookup_table (command->name); 259 260 if (*entry) 261 internal_error (__FILE__, __LINE__, 262 _("command `%s' appears to be duplicated"), 263 command->name); 264 *entry = command; 265 /* FIXME lose these prints */ 266 if (0) 267 { 268 fprintf_unfiltered (gdb_stdlog, "%-30s %2d\n", 269 command->name, stats.rehash - nr_rehash); 270 } 271 nr_entries++; 272 nr_rehash = stats.rehash; 273 } 274 if (0) 275 { 276 fprintf_filtered (gdb_stdlog, "Average %3.1f\n", 277 (double) nr_rehash / (double) nr_entries); 278 } 279 } 280 281 void 282 _initialize_mi_cmds (void) 283 { 284 build_table (mi_cmds); 285 memset (&stats, 0, sizeof (stats)); 286 } 287