1/* MI Command Set for GDB, the GNU debugger. 2 3 Copyright (C) 2000, 2001, 2003, 2007 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 3 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, see <http://www.gnu.org/licenses/>. */ 21 22#include "defs.h" 23#include "top.h" 24#include "mi-cmds.h" 25#include "gdb_string.h" 26 27extern void _initialize_mi_cmds (void); 28struct mi_cmd; 29static struct mi_cmd **lookup_table (const char *command); 30static void build_table (struct mi_cmd *commands); 31 32 33struct mi_cmd mi_cmds[] = 34{ 35 { "break-after", { "ignore", 1 }, NULL, NULL }, 36 { "break-catch", { NULL, 0 }, NULL, NULL }, 37 { "break-commands", { NULL, 0 }, NULL, NULL }, 38 { "break-condition", { "cond", 1 }, NULL, NULL }, 39 { "break-delete", { "delete breakpoint", 1 }, NULL, NULL }, 40 { "break-disable", { "disable breakpoint", 1 }, NULL, NULL }, 41 { "break-enable", { "enable breakpoint", 1 }, NULL, NULL }, 42 { "break-info", { "info break", 1 }, NULL, NULL }, 43 { "break-insert", { NULL, 0 }, 0, mi_cmd_break_insert}, 44 { "break-list", { "info break", }, NULL, NULL }, 45 { "break-watch", { NULL, 0 }, 0, mi_cmd_break_watch}, 46 { "data-disassemble", { NULL, 0 }, 0, mi_cmd_disassemble}, 47 { "data-evaluate-expression", { NULL, 0 }, 0, mi_cmd_data_evaluate_expression}, 48 { "data-list-changed-registers", { NULL, 0 }, 0, mi_cmd_data_list_changed_registers}, 49 { "data-list-register-names", { NULL, 0 }, 0, mi_cmd_data_list_register_names}, 50 { "data-list-register-values", { NULL, 0 }, 0, mi_cmd_data_list_register_values}, 51 { "data-read-memory", { NULL, 0 }, 0, mi_cmd_data_read_memory}, 52 { "data-write-memory", { NULL, 0 }, 0, mi_cmd_data_write_memory}, 53 { "data-write-register-values", { NULL, 0 }, 0, mi_cmd_data_write_register_values}, 54 { "enable-timings", { NULL, 0 }, 0, mi_cmd_enable_timings}, 55 { "environment-cd", { NULL, 0 }, 0, mi_cmd_env_cd}, 56 { "environment-directory", { NULL, 0 }, 0, mi_cmd_env_dir}, 57 { "environment-path", { NULL, 0 }, 0, mi_cmd_env_path}, 58 { "environment-pwd", { NULL, 0 }, 0, mi_cmd_env_pwd}, 59 { "exec-abort", { NULL, 0 }, NULL, NULL }, 60 { "exec-arguments", { "set args", 1 }, NULL, NULL }, 61 { "exec-continue", { NULL, 0 }, mi_cmd_exec_continue}, 62 { "exec-finish", { NULL, 0 }, mi_cmd_exec_finish}, 63 { "exec-interrupt", { NULL, 0 }, mi_cmd_exec_interrupt}, 64 { "exec-next", { NULL, 0 }, mi_cmd_exec_next}, 65 { "exec-next-instruction", { NULL, 0 }, mi_cmd_exec_next_instruction}, 66 { "exec-return", { NULL, 0 }, mi_cmd_exec_return}, 67 { "exec-run", { NULL, 0 }, mi_cmd_exec_run}, 68 { "exec-show-arguments", { NULL, 0 }, NULL, NULL }, 69 { "exec-signal", { NULL, 0 }, NULL, NULL }, 70 { "exec-step", { NULL, 0 }, mi_cmd_exec_step}, 71 { "exec-step-instruction", { NULL, 0 }, mi_cmd_exec_step_instruction}, 72 { "exec-until", { NULL, 0 }, mi_cmd_exec_until}, 73 { "file-clear", { NULL, 0 }, NULL, NULL }, 74 { "file-exec-and-symbols", { "file", 1 }, NULL, NULL }, 75 { "file-exec-file", { "exec-file", 1 }, NULL, NULL }, 76 { "file-list-exec-sections", { NULL, 0 }, NULL, NULL }, 77 { "file-list-exec-source-file", { NULL, 0 }, 0, mi_cmd_file_list_exec_source_file}, 78 { "file-list-exec-source-files", { NULL, 0 }, NULL, mi_cmd_file_list_exec_source_files }, 79 { "file-list-shared-libraries", { NULL, 0 }, NULL, NULL }, 80 { "file-list-symbol-files", { NULL, 0 }, NULL, NULL }, 81 { "file-symbol-file", { "symbol-file", 1 }, NULL, NULL }, 82 { "gdb-complete", { NULL, 0 }, NULL, NULL }, 83 { "gdb-exit", { NULL, 0 }, 0, mi_cmd_gdb_exit}, 84 { "gdb-set", { "set", 1 }, NULL, NULL }, 85 { "gdb-show", { "show", 1 }, NULL, NULL }, 86 { "gdb-source", { NULL, 0 }, NULL, NULL }, 87 { "gdb-version", { "show version", 0 }, 0 }, 88 { "inferior-tty-set", { NULL, 0 }, NULL, mi_cmd_inferior_tty_set}, 89 { "inferior-tty-show", { NULL, 0 }, NULL, mi_cmd_inferior_tty_show}, 90 { "interpreter-exec", { NULL, 0 }, 0, mi_cmd_interpreter_exec}, 91 { "overlay-auto", { NULL, 0 }, NULL, NULL }, 92 { "overlay-list-mapping-state", { NULL, 0 }, NULL, NULL }, 93 { "overlay-list-overlays", { NULL, 0 }, NULL, NULL }, 94 { "overlay-map", { NULL, 0 }, NULL, NULL }, 95 { "overlay-off", { NULL, 0 }, NULL, NULL }, 96 { "overlay-on", { NULL, 0 }, NULL, NULL }, 97 { "overlay-unmap", { NULL, 0 }, NULL, NULL }, 98 { "signal-handle", { NULL, 0 }, NULL, NULL }, 99 { "signal-list-handle-actions", { NULL, 0 }, NULL, NULL }, 100 { "signal-list-signal-types", { NULL, 0 }, NULL, NULL }, 101 { "stack-info-depth", { NULL, 0 }, 0, mi_cmd_stack_info_depth}, 102 { "stack-info-frame", { NULL, 0 }, 0, mi_cmd_stack_info_frame}, 103 { "stack-list-arguments", { NULL, 0 }, 0, mi_cmd_stack_list_args}, 104 { "stack-list-exception-handlers", { NULL, 0 }, NULL, NULL }, 105 { "stack-list-frames", { NULL, 0 }, 0, mi_cmd_stack_list_frames}, 106 { "stack-list-locals", { NULL, 0 }, 0, mi_cmd_stack_list_locals}, 107 { "stack-select-frame", { NULL, 0 }, 0, mi_cmd_stack_select_frame}, 108 { "symbol-info-address", { NULL, 0 }, NULL, NULL }, 109 { "symbol-info-file", { NULL, 0 }, NULL, NULL }, 110 { "symbol-info-function", { NULL, 0 }, NULL, NULL }, 111 { "symbol-info-line", { NULL, 0 }, NULL, NULL }, 112 { "symbol-info-symbol", { NULL, 0 }, NULL, NULL }, 113 { "symbol-list-functions", { NULL, 0 }, NULL, NULL }, 114 { "symbol-list-lines", { NULL, 0 }, 0, mi_cmd_symbol_list_lines}, 115 { "symbol-list-types", { NULL, 0 }, NULL, NULL }, 116 { "symbol-list-variables", { NULL, 0 }, NULL, NULL }, 117 { "symbol-locate", { NULL, 0 }, NULL, NULL }, 118 { "symbol-type", { NULL, 0 }, NULL, NULL }, 119 { "target-attach", { NULL, 0 }, NULL, NULL }, 120 { "target-compare-sections", { NULL, 0 }, NULL, NULL }, 121 { "target-detach", { "detach", 0 }, 0 }, 122 { "target-disconnect", { "disconnect", 0 }, 0 }, 123 { "target-download", { NULL, 0 }, mi_cmd_target_download}, 124 { "target-exec-status", { NULL, 0 }, NULL, NULL }, 125 { "target-list-available-targets", { NULL, 0 }, NULL, NULL }, 126 { "target-list-current-targets", { NULL, 0 }, NULL, NULL }, 127 { "target-list-parameters", { NULL, 0 }, NULL, NULL }, 128 { "target-select", { NULL, 0 }, mi_cmd_target_select}, 129 { "thread-info", { NULL, 0 }, NULL, NULL }, 130 { "thread-list-all-threads", { NULL, 0 }, NULL, NULL }, 131 { "thread-list-ids", { NULL, 0 }, 0, mi_cmd_thread_list_ids}, 132 { "thread-select", { NULL, 0 }, 0, mi_cmd_thread_select}, 133 { "trace-actions", { NULL, 0 }, NULL, NULL }, 134 { "trace-delete", { NULL, 0 }, NULL, NULL }, 135 { "trace-disable", { NULL, 0 }, NULL, NULL }, 136 { "trace-dump", { NULL, 0 }, NULL, NULL }, 137 { "trace-enable", { NULL, 0 }, NULL, NULL }, 138 { "trace-exists", { NULL, 0 }, NULL, NULL }, 139 { "trace-find", { NULL, 0 }, NULL, NULL }, 140 { "trace-frame-number", { NULL, 0 }, NULL, NULL }, 141 { "trace-info", { NULL, 0 }, NULL, NULL }, 142 { "trace-insert", { NULL, 0 }, NULL, NULL }, 143 { "trace-list", { NULL, 0 }, NULL, NULL }, 144 { "trace-pass-count", { NULL, 0 }, NULL, NULL }, 145 { "trace-save", { NULL, 0 }, NULL, NULL }, 146 { "trace-start", { NULL, 0 }, NULL, NULL }, 147 { "trace-stop", { NULL, 0 }, NULL, NULL }, 148 { "var-assign", { NULL, 0 }, 0, mi_cmd_var_assign}, 149 { "var-create", { NULL, 0 }, 0, mi_cmd_var_create}, 150 { "var-delete", { NULL, 0 }, 0, mi_cmd_var_delete}, 151 { "var-evaluate-expression", { NULL, 0 }, 0, mi_cmd_var_evaluate_expression}, 152 { "var-info-path-expression", { NULL, 0 }, 0, 153 mi_cmd_var_info_path_expression}, 154 { "var-info-expression", { NULL, 0 }, 0, mi_cmd_var_info_expression}, 155 { "var-info-num-children", { NULL, 0 }, 0, mi_cmd_var_info_num_children}, 156 { "var-info-type", { NULL, 0 }, 0, mi_cmd_var_info_type}, 157 { "var-list-children", { NULL, 0 }, 0, mi_cmd_var_list_children}, 158 { "var-set-format", { NULL, 0 }, 0, mi_cmd_var_set_format}, 159 { "var-set-frozen", { NULL, 0 }, 0, mi_cmd_var_set_frozen}, 160 { "var-show-attributes", { NULL, 0 }, 0, mi_cmd_var_show_attributes}, 161 { "var-show-format", { NULL, 0 }, 0, mi_cmd_var_show_format}, 162 { "var-update", { NULL, 0 }, 0, mi_cmd_var_update}, 163 { NULL, } 164}; 165 166/* Pointer to the mi command table (built at run time) */ 167 168static struct mi_cmd **mi_table; 169 170/* A prime large enough to accomodate the entire command table */ 171enum 172 { 173 MI_TABLE_SIZE = 227 174 }; 175 176/* Exported function used to obtain info from the table */ 177struct mi_cmd * 178mi_lookup (const char *command) 179{ 180 return *lookup_table (command); 181} 182 183/* stat collecting */ 184struct mi_cmd_stats 185{ 186 int hit; 187 int miss; 188 int rehash; 189}; 190struct mi_cmd_stats stats; 191 192/* our lookup function */ 193static struct mi_cmd ** 194lookup_table (const char *command) 195{ 196 const char *chp; 197 unsigned int index = 0; 198 /* compute our hash */ 199 for (chp = command; *chp; chp++) 200 { 201 /* some what arbitrary */ 202 index = ((index << 6) + (unsigned int) *chp) % MI_TABLE_SIZE; 203 } 204 /* look it up */ 205 while (1) 206 { 207 struct mi_cmd **entry = &mi_table[index]; 208 if ((*entry) == 0) 209 { 210 /* not found, return pointer to next free. */ 211 stats.miss++; 212 return entry; 213 } 214 if (strcmp (command, (*entry)->name) == 0) 215 { 216 stats.hit++; 217 return entry; /* found */ 218 } 219 index = (index + 1) % MI_TABLE_SIZE; 220 stats.rehash++; 221 } 222} 223 224static void 225build_table (struct mi_cmd *commands) 226{ 227 int nr_rehash = 0; 228 int nr_entries = 0; 229 struct mi_cmd *command; 230 int sizeof_table = sizeof (struct mi_cmd **) * MI_TABLE_SIZE; 231 232 mi_table = xmalloc (sizeof_table); 233 memset (mi_table, 0, sizeof_table); 234 for (command = commands; command->name != 0; command++) 235 { 236 struct mi_cmd **entry = lookup_table (command->name); 237 if (*entry) 238 internal_error (__FILE__, __LINE__, 239 _("command `%s' appears to be duplicated"), 240 command->name); 241 *entry = command; 242 if (0) 243 { 244 fprintf_unfiltered (gdb_stdlog, "%-30s %2d\n", 245 command->name, stats.rehash - nr_rehash); 246 } 247 nr_entries++; 248 nr_rehash = stats.rehash; 249 } 250 if (0) 251 { 252 fprintf_filtered (gdb_stdlog, "Average %3.1f\n", 253 (double) nr_rehash / (double) nr_entries); 254 } 255} 256 257void 258_initialize_mi_cmds (void) 259{ 260 build_table (mi_cmds); 261 memset (&stats, 0, sizeof (stats)); 262} 263