1 /* MI Command Set for GDB, the GNU debugger. 2 Copyright (C) 2000-2013 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 "gdb_string.h" 25 #include "mi-main.h" 26 27 extern void _initialize_mi_cmds (void); 28 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 static struct mi_cmd mi_cmds[] = 34 { 35 /* Define a MI command of NAME, and its corresponding CLI command is 36 CLI_NAME. */ 37 #define DEF_MI_CMD_CLI_1(NAME, CLI_NAME, ARGS_P, CALLED) \ 38 { NAME, { CLI_NAME, ARGS_P}, NULL, CALLED } 39 #define DEF_MI_CMD_CLI(NAME, CLI_NAME, ARGS_P) \ 40 DEF_MI_CMD_CLI_1(NAME, CLI_NAME, ARGS_P, NULL) 41 42 /* Define a MI command of NAME, and implemented by function MI_FUNC. */ 43 #define DEF_MI_CMD_MI_1(NAME, MI_FUNC, CALLED) \ 44 { NAME, {NULL, 0}, MI_FUNC, CALLED } 45 #define DEF_MI_CMD_MI(NAME, MI_FUNC) DEF_MI_CMD_MI_1(NAME, MI_FUNC, NULL) 46 47 DEF_MI_CMD_MI ("ada-task-info", mi_cmd_ada_task_info), 48 DEF_MI_CMD_MI ("add-inferior", mi_cmd_add_inferior), 49 DEF_MI_CMD_CLI_1 ("break-after", "ignore", 1, 50 &mi_suppress_notification.breakpoint), 51 DEF_MI_CMD_CLI_1 ("break-condition","cond", 1, 52 &mi_suppress_notification.breakpoint), 53 DEF_MI_CMD_MI_1 ("break-commands", mi_cmd_break_commands, 54 &mi_suppress_notification.breakpoint), 55 DEF_MI_CMD_CLI_1 ("break-delete", "delete breakpoint", 1, 56 &mi_suppress_notification.breakpoint), 57 DEF_MI_CMD_CLI_1 ("break-disable", "disable breakpoint", 1, 58 &mi_suppress_notification.breakpoint), 59 DEF_MI_CMD_CLI_1 ("break-enable", "enable breakpoint", 1, 60 &mi_suppress_notification.breakpoint), 61 DEF_MI_CMD_CLI ("break-info", "info break", 1), 62 DEF_MI_CMD_MI_1 ("break-insert", mi_cmd_break_insert, 63 &mi_suppress_notification.breakpoint), 64 DEF_MI_CMD_CLI ("break-list", "info break", 0), 65 DEF_MI_CMD_MI_1 ("break-passcount", mi_cmd_break_passcount, 66 &mi_suppress_notification.breakpoint), 67 DEF_MI_CMD_MI_1 ("break-watch", mi_cmd_break_watch, 68 &mi_suppress_notification.breakpoint), 69 DEF_MI_CMD_MI_1 ("catch-load", mi_cmd_catch_load, 70 &mi_suppress_notification.breakpoint), 71 DEF_MI_CMD_MI_1 ("catch-unload", mi_cmd_catch_unload, 72 &mi_suppress_notification.breakpoint), 73 DEF_MI_CMD_MI ("data-disassemble", mi_cmd_disassemble), 74 DEF_MI_CMD_MI ("data-evaluate-expression", mi_cmd_data_evaluate_expression), 75 DEF_MI_CMD_MI ("data-list-changed-registers", 76 mi_cmd_data_list_changed_registers), 77 DEF_MI_CMD_MI ("data-list-register-names", mi_cmd_data_list_register_names), 78 DEF_MI_CMD_MI ("data-list-register-values", mi_cmd_data_list_register_values), 79 DEF_MI_CMD_MI ("data-read-memory", mi_cmd_data_read_memory), 80 DEF_MI_CMD_MI ("data-read-memory-bytes", mi_cmd_data_read_memory_bytes), 81 DEF_MI_CMD_MI_1 ("data-write-memory", mi_cmd_data_write_memory, 82 &mi_suppress_notification.memory), 83 DEF_MI_CMD_MI_1 ("data-write-memory-bytes", mi_cmd_data_write_memory_bytes, 84 &mi_suppress_notification.memory), 85 DEF_MI_CMD_MI ("data-write-register-values", 86 mi_cmd_data_write_register_values), 87 DEF_MI_CMD_MI ("enable-timings", mi_cmd_enable_timings), 88 DEF_MI_CMD_MI ("enable-pretty-printing", mi_cmd_enable_pretty_printing), 89 DEF_MI_CMD_MI ("environment-cd", mi_cmd_env_cd), 90 DEF_MI_CMD_MI ("environment-directory", mi_cmd_env_dir), 91 DEF_MI_CMD_MI ("environment-path", mi_cmd_env_path), 92 DEF_MI_CMD_MI ("environment-pwd", mi_cmd_env_pwd), 93 DEF_MI_CMD_CLI ("exec-arguments", "set args", 1), 94 DEF_MI_CMD_MI ("exec-continue", mi_cmd_exec_continue), 95 DEF_MI_CMD_MI ("exec-finish", mi_cmd_exec_finish), 96 DEF_MI_CMD_MI ("exec-jump", mi_cmd_exec_jump), 97 DEF_MI_CMD_MI ("exec-interrupt", mi_cmd_exec_interrupt), 98 DEF_MI_CMD_MI ("exec-next", mi_cmd_exec_next), 99 DEF_MI_CMD_MI ("exec-next-instruction", mi_cmd_exec_next_instruction), 100 DEF_MI_CMD_MI ("exec-return", mi_cmd_exec_return), 101 DEF_MI_CMD_MI ("exec-run", mi_cmd_exec_run), 102 DEF_MI_CMD_MI ("exec-step", mi_cmd_exec_step), 103 DEF_MI_CMD_MI ("exec-step-instruction", mi_cmd_exec_step_instruction), 104 DEF_MI_CMD_CLI ("exec-until", "until", 1), 105 DEF_MI_CMD_CLI ("file-exec-and-symbols", "file", 1), 106 DEF_MI_CMD_CLI ("file-exec-file", "exec-file", 1), 107 DEF_MI_CMD_MI ("file-list-exec-source-file", 108 mi_cmd_file_list_exec_source_file), 109 DEF_MI_CMD_MI ("file-list-exec-source-files", 110 mi_cmd_file_list_exec_source_files), 111 DEF_MI_CMD_CLI ("file-symbol-file", "symbol-file", 1), 112 DEF_MI_CMD_MI ("gdb-exit", mi_cmd_gdb_exit), 113 DEF_MI_CMD_CLI_1 ("gdb-set", "set", 1, 114 &mi_suppress_notification.cmd_param_changed), 115 DEF_MI_CMD_CLI ("gdb-show", "show", 1), 116 DEF_MI_CMD_CLI ("gdb-version", "show version", 0), 117 DEF_MI_CMD_MI ("inferior-tty-set", mi_cmd_inferior_tty_set), 118 DEF_MI_CMD_MI ("inferior-tty-show", mi_cmd_inferior_tty_show), 119 DEF_MI_CMD_MI ("info-os", mi_cmd_info_os), 120 DEF_MI_CMD_MI ("interpreter-exec", mi_cmd_interpreter_exec), 121 DEF_MI_CMD_MI ("list-features", mi_cmd_list_features), 122 DEF_MI_CMD_MI ("list-target-features", mi_cmd_list_target_features), 123 DEF_MI_CMD_MI ("list-thread-groups", mi_cmd_list_thread_groups), 124 DEF_MI_CMD_MI ("remove-inferior", mi_cmd_remove_inferior), 125 DEF_MI_CMD_MI ("stack-info-depth", mi_cmd_stack_info_depth), 126 DEF_MI_CMD_MI ("stack-info-frame", mi_cmd_stack_info_frame), 127 DEF_MI_CMD_MI ("stack-list-arguments", mi_cmd_stack_list_args), 128 DEF_MI_CMD_MI ("stack-list-frames", mi_cmd_stack_list_frames), 129 DEF_MI_CMD_MI ("stack-list-locals", mi_cmd_stack_list_locals), 130 DEF_MI_CMD_MI ("stack-list-variables", mi_cmd_stack_list_variables), 131 DEF_MI_CMD_MI ("stack-select-frame", mi_cmd_stack_select_frame), 132 DEF_MI_CMD_MI ("symbol-list-lines", mi_cmd_symbol_list_lines), 133 DEF_MI_CMD_CLI ("target-attach", "attach", 1), 134 DEF_MI_CMD_MI ("target-detach", mi_cmd_target_detach), 135 DEF_MI_CMD_CLI ("target-disconnect", "disconnect", 0), 136 DEF_MI_CMD_CLI ("target-download", "load", 1), 137 DEF_MI_CMD_MI ("target-file-delete", mi_cmd_target_file_delete), 138 DEF_MI_CMD_MI ("target-file-get", mi_cmd_target_file_get), 139 DEF_MI_CMD_MI ("target-file-put", mi_cmd_target_file_put), 140 DEF_MI_CMD_CLI ("target-select", "target", 1), 141 DEF_MI_CMD_MI ("thread-info", mi_cmd_thread_info), 142 DEF_MI_CMD_MI ("thread-list-ids", mi_cmd_thread_list_ids), 143 DEF_MI_CMD_MI ("thread-select", mi_cmd_thread_select), 144 DEF_MI_CMD_MI ("trace-define-variable", mi_cmd_trace_define_variable), 145 DEF_MI_CMD_MI_1 ("trace-find", mi_cmd_trace_find, 146 &mi_suppress_notification.traceframe), 147 DEF_MI_CMD_MI ("trace-list-variables", mi_cmd_trace_list_variables), 148 DEF_MI_CMD_MI ("trace-save", mi_cmd_trace_save), 149 DEF_MI_CMD_MI ("trace-start", mi_cmd_trace_start), 150 DEF_MI_CMD_MI ("trace-status", mi_cmd_trace_status), 151 DEF_MI_CMD_MI ("trace-stop", mi_cmd_trace_stop), 152 DEF_MI_CMD_MI ("var-assign", mi_cmd_var_assign), 153 DEF_MI_CMD_MI ("var-create", mi_cmd_var_create), 154 DEF_MI_CMD_MI ("var-delete", mi_cmd_var_delete), 155 DEF_MI_CMD_MI ("var-evaluate-expression", mi_cmd_var_evaluate_expression), 156 DEF_MI_CMD_MI ("var-info-path-expression", mi_cmd_var_info_path_expression), 157 DEF_MI_CMD_MI ("var-info-expression", mi_cmd_var_info_expression), 158 DEF_MI_CMD_MI ("var-info-num-children", mi_cmd_var_info_num_children), 159 DEF_MI_CMD_MI ("var-info-type", mi_cmd_var_info_type), 160 DEF_MI_CMD_MI ("var-list-children", mi_cmd_var_list_children), 161 DEF_MI_CMD_MI ("var-set-format", mi_cmd_var_set_format), 162 DEF_MI_CMD_MI ("var-set-frozen", mi_cmd_var_set_frozen), 163 DEF_MI_CMD_MI ("var-set-update-range", mi_cmd_var_set_update_range), 164 DEF_MI_CMD_MI ("var-set-visualizer", mi_cmd_var_set_visualizer), 165 DEF_MI_CMD_MI ("var-show-attributes", mi_cmd_var_show_attributes), 166 DEF_MI_CMD_MI ("var-show-format", mi_cmd_var_show_format), 167 DEF_MI_CMD_MI ("var-update", mi_cmd_var_update), 168 { NULL, } 169 }; 170 171 /* Pointer to the mi command table (built at run time). */ 172 173 static struct mi_cmd **mi_table; 174 175 /* A prime large enough to accomodate the entire command table. */ 176 enum 177 { 178 MI_TABLE_SIZE = 227 179 }; 180 181 /* Exported function used to obtain info from the table. */ 182 struct mi_cmd * 183 mi_lookup (const char *command) 184 { 185 return *lookup_table (command); 186 } 187 188 /* Used for collecting hash hit/miss statistics. */ 189 190 struct mi_cmd_stats 191 { 192 int hit; 193 int miss; 194 int rehash; 195 }; 196 struct mi_cmd_stats stats; 197 198 /* Look up a command. */ 199 200 static struct mi_cmd ** 201 lookup_table (const char *command) 202 { 203 const char *chp; 204 unsigned int index = 0; 205 206 /* Compute our hash. */ 207 for (chp = command; *chp; chp++) 208 { 209 /* We use a somewhat arbitrary formula. */ 210 index = ((index << 6) + (unsigned int) *chp) % MI_TABLE_SIZE; 211 } 212 213 while (1) 214 { 215 struct mi_cmd **entry = &mi_table[index]; 216 if ((*entry) == 0) 217 { 218 /* not found, return pointer to next free. */ 219 stats.miss++; 220 return entry; 221 } 222 if (strcmp (command, (*entry)->name) == 0) 223 { 224 stats.hit++; 225 return entry; /* found */ 226 } 227 index = (index + 1) % MI_TABLE_SIZE; 228 stats.rehash++; 229 } 230 } 231 232 static void 233 build_table (struct mi_cmd *commands) 234 { 235 int nr_rehash = 0; 236 int nr_entries = 0; 237 struct mi_cmd *command; 238 int sizeof_table = sizeof (struct mi_cmd **) * MI_TABLE_SIZE; 239 240 mi_table = xmalloc (sizeof_table); 241 memset (mi_table, 0, sizeof_table); 242 for (command = commands; command->name != 0; command++) 243 { 244 struct mi_cmd **entry = lookup_table (command->name); 245 246 if (*entry) 247 internal_error (__FILE__, __LINE__, 248 _("command `%s' appears to be duplicated"), 249 command->name); 250 *entry = command; 251 /* FIXME lose these prints */ 252 if (0) 253 { 254 fprintf_unfiltered (gdb_stdlog, "%-30s %2d\n", 255 command->name, stats.rehash - nr_rehash); 256 } 257 nr_entries++; 258 nr_rehash = stats.rehash; 259 } 260 if (0) 261 { 262 fprintf_filtered (gdb_stdlog, "Average %3.1f\n", 263 (double) nr_rehash / (double) nr_entries); 264 } 265 } 266 267 void 268 _initialize_mi_cmds (void) 269 { 270 build_table (mi_cmds); 271 memset (&stats, 0, sizeof (stats)); 272 } 273