1 /* MI Command Set for GDB, the GNU debugger. 2 3 Copyright 2000, 2001, 2003 Free Software Foundation, Inc. 4 5 Contributed by Cygnus Solutions (a Red Hat company). 6 7 This file is part of GDB. 8 9 This program is free software; you can redistribute it and/or modify 10 it under the terms of the GNU General Public License as published by 11 the Free Software Foundation; either version 2 of the License, or 12 (at your option) any later version. 13 14 This program is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with this program; if not, write to the Free Software 21 Foundation, Inc., 59 Temple Place - Suite 330, 22 Boston, MA 02111-1307, USA. */ 23 24 #include "defs.h" 25 #include "top.h" 26 #include "mi-cmds.h" 27 #include "gdb_string.h" 28 29 extern void _initialize_mi_cmds (void); 30 struct mi_cmd; 31 static struct mi_cmd **lookup_table (const char *command); 32 static void build_table (struct mi_cmd *commands); 33 34 35 struct mi_cmd mi_cmds[] = 36 { 37 { "break-after", { "ignore", 1 }, NULL, NULL }, 38 { "break-catch", { NULL, 0 }, NULL, NULL }, 39 { "break-commands", { NULL, 0 }, NULL, NULL }, 40 { "break-condition", { "cond", 1 }, NULL, NULL }, 41 { "break-delete", { "delete breakpoint", 1 }, NULL, NULL }, 42 { "break-disable", { "disable breakpoint", 1 }, NULL, NULL }, 43 { "break-enable", { "enable breakpoint", 1 }, NULL, NULL }, 44 { "break-info", { "info break", 1 }, NULL, NULL }, 45 { "break-insert", { NULL, 0 }, 0, mi_cmd_break_insert}, 46 { "break-list", { "info break", }, NULL, NULL }, 47 { "break-watch", { NULL, 0 }, 0, mi_cmd_break_watch}, 48 { "data-disassemble", { NULL, 0 }, 0, mi_cmd_disassemble}, 49 { "data-evaluate-expression", { NULL, 0 }, 0, mi_cmd_data_evaluate_expression}, 50 { "data-list-changed-registers", { NULL, 0 }, 0, mi_cmd_data_list_changed_registers}, 51 { "data-list-register-names", { NULL, 0 }, 0, mi_cmd_data_list_register_names}, 52 { "data-list-register-values", { NULL, 0 }, 0, mi_cmd_data_list_register_values}, 53 { "data-read-memory", { NULL, 0 }, 0, mi_cmd_data_read_memory}, 54 { "data-write-memory", { NULL, 0 }, 0, mi_cmd_data_write_memory}, 55 { "data-write-register-values", { NULL, 0 }, 0, mi_cmd_data_write_register_values}, 56 { "display-delete", { NULL, 0 }, NULL, NULL }, 57 { "display-disable", { NULL, 0 }, NULL, NULL }, 58 { "display-enable", { NULL, 0 }, NULL, NULL }, 59 { "display-insert", { NULL, 0 }, NULL, NULL }, 60 { "display-list", { NULL, 0 }, NULL, NULL }, 61 { "environment-cd", { NULL, 0 }, 0, mi_cmd_env_cd}, 62 { "environment-directory", { NULL, 0 }, 0, mi_cmd_env_dir}, 63 { "environment-path", { NULL, 0 }, 0, mi_cmd_env_path}, 64 { "environment-pwd", { NULL, 0 }, 0, mi_cmd_env_pwd}, 65 { "exec-abort", { NULL, 0 }, NULL, NULL }, 66 { "exec-arguments", { "set args", 1 }, NULL, NULL }, 67 { "exec-continue", { NULL, 0 }, mi_cmd_exec_continue}, 68 { "exec-finish", { NULL, 0 }, mi_cmd_exec_finish}, 69 { "exec-interrupt", { NULL, 0 }, mi_cmd_exec_interrupt}, 70 { "exec-next", { NULL, 0 }, mi_cmd_exec_next}, 71 { "exec-next-instruction", { NULL, 0 }, mi_cmd_exec_next_instruction}, 72 { "exec-return", { NULL, 0 }, mi_cmd_exec_return}, 73 { "exec-run", { NULL, 0 }, mi_cmd_exec_run}, 74 { "exec-show-arguments", { NULL, 0 }, NULL, NULL }, 75 { "exec-signal", { NULL, 0 }, NULL, NULL }, 76 { "exec-step", { NULL, 0 }, mi_cmd_exec_step}, 77 { "exec-step-instruction", { NULL, 0 }, mi_cmd_exec_step_instruction}, 78 { "exec-until", { NULL, 0 }, mi_cmd_exec_until}, 79 { "file-clear", { NULL, 0 }, NULL, NULL }, 80 { "file-exec-and-symbols", { "file", 1 }, NULL, NULL }, 81 { "file-exec-file", { "exec-file", 1 }, NULL, NULL }, 82 { "file-list-exec-sections", { NULL, 0 }, NULL, NULL }, 83 { "file-list-exec-source-file", { NULL, 0 }, 0, mi_cmd_file_list_exec_source_file}, 84 { "file-list-exec-source-files", { NULL, 0 }, NULL, mi_cmd_file_list_exec_source_files }, 85 { "file-list-shared-libraries", { NULL, 0 }, NULL, NULL }, 86 { "file-list-symbol-files", { NULL, 0 }, NULL, NULL }, 87 { "file-symbol-file", { "symbol-file", 1 }, NULL, NULL }, 88 { "gdb-complete", { NULL, 0 }, NULL, NULL }, 89 { "gdb-exit", { NULL, 0 }, 0, mi_cmd_gdb_exit}, 90 { "gdb-set", { "set", 1 }, NULL, NULL }, 91 { "gdb-show", { "show", 1 }, NULL, NULL }, 92 { "gdb-source", { NULL, 0 }, NULL, NULL }, 93 { "gdb-version", { "show version", 0 }, 0 }, 94 { "interpreter-exec", { NULL, 0 }, 0, mi_cmd_interpreter_exec}, 95 { "kod-info", { NULL, 0 }, NULL, NULL }, 96 { "kod-list", { NULL, 0 }, NULL, NULL }, 97 { "kod-list-object-types", { NULL, 0 }, NULL, NULL }, 98 { "kod-show", { NULL, 0 }, NULL, NULL }, 99 { "overlay-auto", { NULL, 0 }, NULL, NULL }, 100 { "overlay-list-mapping-state", { NULL, 0 }, NULL, NULL }, 101 { "overlay-list-overlays", { NULL, 0 }, NULL, NULL }, 102 { "overlay-map", { NULL, 0 }, NULL, NULL }, 103 { "overlay-off", { NULL, 0 }, NULL, NULL }, 104 { "overlay-on", { NULL, 0 }, NULL, NULL }, 105 { "overlay-unmap", { NULL, 0 }, NULL, NULL }, 106 { "signal-handle", { NULL, 0 }, NULL, NULL }, 107 { "signal-list-handle-actions", { NULL, 0 }, NULL, NULL }, 108 { "signal-list-signal-types", { NULL, 0 }, NULL, NULL }, 109 { "stack-info-depth", { NULL, 0 }, 0, mi_cmd_stack_info_depth}, 110 { "stack-info-frame", { NULL, 0 }, NULL, NULL }, 111 { "stack-list-arguments", { NULL, 0 }, 0, mi_cmd_stack_list_args}, 112 { "stack-list-exception-handlers", { NULL, 0 }, NULL, NULL }, 113 { "stack-list-frames", { NULL, 0 }, 0, mi_cmd_stack_list_frames}, 114 { "stack-list-locals", { NULL, 0 }, 0, mi_cmd_stack_list_locals}, 115 { "stack-select-frame", { NULL, 0 }, 0, mi_cmd_stack_select_frame}, 116 { "symbol-info-address", { NULL, 0 }, NULL, NULL }, 117 { "symbol-info-file", { NULL, 0 }, NULL, NULL }, 118 { "symbol-info-function", { NULL, 0 }, NULL, NULL }, 119 { "symbol-info-line", { NULL, 0 }, NULL, NULL }, 120 { "symbol-info-symbol", { NULL, 0 }, NULL, NULL }, 121 { "symbol-list-functions", { NULL, 0 }, NULL, NULL }, 122 { "symbol-list-lines", { NULL, 0 }, 0, mi_cmd_symbol_list_lines}, 123 { "symbol-list-types", { NULL, 0 }, NULL, NULL }, 124 { "symbol-list-variables", { NULL, 0 }, NULL, NULL }, 125 { "symbol-locate", { NULL, 0 }, NULL, NULL }, 126 { "symbol-type", { NULL, 0 }, NULL, NULL }, 127 { "target-attach", { NULL, 0 }, NULL, NULL }, 128 { "target-compare-sections", { NULL, 0 }, NULL, NULL }, 129 { "target-detach", { "detach", 0 }, 0 }, 130 { "target-disconnect", { "disconnect", 0 }, 0 }, 131 { "target-download", { NULL, 0 }, mi_cmd_target_download}, 132 { "target-exec-status", { NULL, 0 }, NULL, NULL }, 133 { "target-list-available-targets", { NULL, 0 }, NULL, NULL }, 134 { "target-list-current-targets", { NULL, 0 }, NULL, NULL }, 135 { "target-list-parameters", { NULL, 0 }, NULL, NULL }, 136 { "target-select", { NULL, 0 }, mi_cmd_target_select}, 137 { "thread-info", { NULL, 0 }, NULL, NULL }, 138 { "thread-list-all-threads", { NULL, 0 }, NULL, NULL }, 139 { "thread-list-ids", { NULL, 0 }, 0, mi_cmd_thread_list_ids}, 140 { "thread-select", { NULL, 0 }, 0, mi_cmd_thread_select}, 141 { "trace-actions", { NULL, 0 }, NULL, NULL }, 142 { "trace-delete", { NULL, 0 }, NULL, NULL }, 143 { "trace-disable", { NULL, 0 }, NULL, NULL }, 144 { "trace-dump", { NULL, 0 }, NULL, NULL }, 145 { "trace-enable", { NULL, 0 }, NULL, NULL }, 146 { "trace-exists", { NULL, 0 }, NULL, NULL }, 147 { "trace-find", { NULL, 0 }, NULL, NULL }, 148 { "trace-frame-number", { NULL, 0 }, NULL, NULL }, 149 { "trace-info", { NULL, 0 }, NULL, NULL }, 150 { "trace-insert", { NULL, 0 }, NULL, NULL }, 151 { "trace-list", { NULL, 0 }, NULL, NULL }, 152 { "trace-pass-count", { NULL, 0 }, NULL, NULL }, 153 { "trace-save", { NULL, 0 }, NULL, NULL }, 154 { "trace-start", { NULL, 0 }, NULL, NULL }, 155 { "trace-stop", { NULL, 0 }, NULL, NULL }, 156 { "var-assign", { NULL, 0 }, 0, mi_cmd_var_assign}, 157 { "var-create", { NULL, 0 }, 0, mi_cmd_var_create}, 158 { "var-delete", { NULL, 0 }, 0, mi_cmd_var_delete}, 159 { "var-evaluate-expression", { NULL, 0 }, 0, mi_cmd_var_evaluate_expression}, 160 { "var-info-expression", { NULL, 0 }, 0, mi_cmd_var_info_expression}, 161 { "var-info-num-children", { NULL, 0 }, 0, mi_cmd_var_info_num_children}, 162 { "var-info-type", { NULL, 0 }, 0, mi_cmd_var_info_type}, 163 { "var-list-children", { NULL, 0 }, 0, mi_cmd_var_list_children}, 164 { "var-set-format", { NULL, 0 }, 0, mi_cmd_var_set_format}, 165 { "var-show-attributes", { NULL, 0 }, 0, mi_cmd_var_show_attributes}, 166 { "var-show-format", { NULL, 0 }, 0, mi_cmd_var_show_format}, 167 { "var-update", { NULL, 0 }, 0, 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 /* stat collecting */ 189 struct mi_cmd_stats 190 { 191 int hit; 192 int miss; 193 int rehash; 194 }; 195 struct mi_cmd_stats stats; 196 197 /* our lookup function */ 198 static struct mi_cmd ** 199 lookup_table (const char *command) 200 { 201 const char *chp; 202 unsigned int index = 0; 203 /* compute our hash */ 204 for (chp = command; *chp; chp++) 205 { 206 /* some what arbitrary */ 207 index = ((index << 6) + (unsigned int) *chp) % MI_TABLE_SIZE; 208 } 209 /* look it up */ 210 while (1) 211 { 212 struct mi_cmd **entry = &mi_table[index]; 213 if ((*entry) == 0) 214 { 215 /* not found, return pointer to next free. */ 216 stats.miss++; 217 return entry; 218 } 219 if (strcmp (command, (*entry)->name) == 0) 220 { 221 stats.hit++; 222 return entry; /* found */ 223 } 224 index = (index + 1) % MI_TABLE_SIZE; 225 stats.rehash++; 226 } 227 } 228 229 static void 230 build_table (struct mi_cmd *commands) 231 { 232 int nr_rehash = 0; 233 int nr_entries = 0; 234 struct mi_cmd *command; 235 int sizeof_table = sizeof (struct mi_cmd **) * MI_TABLE_SIZE; 236 237 mi_table = xmalloc (sizeof_table); 238 memset (mi_table, 0, sizeof_table); 239 for (command = commands; command->name != 0; command++) 240 { 241 struct mi_cmd **entry = lookup_table (command->name); 242 if (*entry) 243 internal_error (__FILE__, __LINE__, 244 "command `%s' appears to be duplicated", 245 command->name); 246 *entry = command; 247 if (0) 248 { 249 fprintf_unfiltered (gdb_stdlog, "%-30s %2d\n", 250 command->name, stats.rehash - nr_rehash); 251 } 252 nr_entries++; 253 nr_rehash = stats.rehash; 254 } 255 if (0) 256 { 257 fprintf_filtered (gdb_stdlog, "Average %3.1f\n", 258 (double) nr_rehash / (double) nr_entries); 259 } 260 } 261 262 void 263 _initialize_mi_cmds (void) 264 { 265 build_table (mi_cmds); 266 memset (&stats, 0, sizeof (stats)); 267 } 268