gdb/mi/mi-cmds.c - gdb

Global variables defined

Data types defined

Functions defined

Macros defined

Source code

  1. /* MI Command Set for GDB, the GNU debugger.
  2.    Copyright (C) 2000-2015 Free Software Foundation, Inc.

  4.    Contributed by Cygnus Solutions (a Red Hat company).

  6.    This file is part of GDB.

  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.

  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.

  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/>.  */

  21. #include "defs.h"
  22. #include "top.h"
  23. #include "mi-cmds.h"
  24. #include "mi-main.h"

  26. extern void _initialize_mi_cmds (void);

  28. struct mi_cmd;
  29. static struct mi_cmd **lookup_table (const char *command);
  30. static void build_table (struct mi_cmd *commands);

  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)

  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)

  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_CLI ("file-symbol-file", "symbol-file", 1),
  119.   DEF_MI_CMD_MI ("gdb-exit", mi_cmd_gdb_exit),
  120.   DEF_MI_CMD_CLI_1 ("gdb-set", "set", 1,
  121.                     &mi_suppress_notification.cmd_param_changed),
  122.   DEF_MI_CMD_CLI ("gdb-show", "show", 1),
  123.   DEF_MI_CMD_CLI ("gdb-version", "show version", 0),
  124.   DEF_MI_CMD_MI ("inferior-tty-set", mi_cmd_inferior_tty_set),
  125.   DEF_MI_CMD_MI ("inferior-tty-show", mi_cmd_inferior_tty_show),
  126.   DEF_MI_CMD_MI ("info-ada-exceptions", mi_cmd_info_ada_exceptions),
  127.   DEF_MI_CMD_MI ("info-gdb-mi-command", mi_cmd_info_gdb_mi_command),
  128.   DEF_MI_CMD_MI ("info-os", mi_cmd_info_os),
  129.   DEF_MI_CMD_MI ("interpreter-exec", mi_cmd_interpreter_exec),
  130.   DEF_MI_CMD_MI ("list-features", mi_cmd_list_features),
  131.   DEF_MI_CMD_MI ("list-target-features", mi_cmd_list_target_features),
  132.   DEF_MI_CMD_MI ("list-thread-groups", mi_cmd_list_thread_groups),
  133.   DEF_MI_CMD_MI ("remove-inferior", mi_cmd_remove_inferior),
  134.   DEF_MI_CMD_MI ("stack-info-depth", mi_cmd_stack_info_depth),
  135.   DEF_MI_CMD_MI ("stack-info-frame", mi_cmd_stack_info_frame),
  136.   DEF_MI_CMD_MI ("stack-list-arguments", mi_cmd_stack_list_args),
  137.   DEF_MI_CMD_MI ("stack-list-frames", mi_cmd_stack_list_frames),
  138.   DEF_MI_CMD_MI ("stack-list-locals", mi_cmd_stack_list_locals),
  139.   DEF_MI_CMD_MI ("stack-list-variables", mi_cmd_stack_list_variables),
  140.   DEF_MI_CMD_MI ("stack-select-frame", mi_cmd_stack_select_frame),
  141.   DEF_MI_CMD_MI ("symbol-list-lines", mi_cmd_symbol_list_lines),
  142.   DEF_MI_CMD_CLI ("target-attach", "attach", 1),
  143.   DEF_MI_CMD_MI ("target-detach", mi_cmd_target_detach),
  144.   DEF_MI_CMD_CLI ("target-disconnect", "disconnect", 0),
  145.   DEF_MI_CMD_CLI ("target-download", "load", 1),
  146.   DEF_MI_CMD_MI ("target-file-delete", mi_cmd_target_file_delete),
  147.   DEF_MI_CMD_MI ("target-file-get", mi_cmd_target_file_get),
  148.   DEF_MI_CMD_MI ("target-file-put", mi_cmd_target_file_put),
  149.   DEF_MI_CMD_CLI ("target-select", "target", 1),
  150.   DEF_MI_CMD_MI ("thread-info", mi_cmd_thread_info),
  151.   DEF_MI_CMD_MI ("thread-list-ids", mi_cmd_thread_list_ids),
  152.   DEF_MI_CMD_MI ("thread-select", mi_cmd_thread_select),
  153.   DEF_MI_CMD_MI ("trace-define-variable", mi_cmd_trace_define_variable),
  154.   DEF_MI_CMD_MI_1 ("trace-find", mi_cmd_trace_find,
  155.                    &mi_suppress_notification.traceframe),
  156.   DEF_MI_CMD_MI ("trace-frame-collected",
  157.                  mi_cmd_trace_frame_collected),
  158.   DEF_MI_CMD_MI ("trace-list-variables", mi_cmd_trace_list_variables),
  159.   DEF_MI_CMD_MI ("trace-save", mi_cmd_trace_save),
  160.   DEF_MI_CMD_MI ("trace-start", mi_cmd_trace_start),
  161.   DEF_MI_CMD_MI ("trace-status", mi_cmd_trace_status),
  162.   DEF_MI_CMD_MI ("trace-stop", mi_cmd_trace_stop),
  163.   DEF_MI_CMD_MI ("var-assign", mi_cmd_var_assign),
  164.   DEF_MI_CMD_MI ("var-create", mi_cmd_var_create),
  165.   DEF_MI_CMD_MI ("var-delete", mi_cmd_var_delete),
  166.   DEF_MI_CMD_MI ("var-evaluate-expression", mi_cmd_var_evaluate_expression),
  167.   DEF_MI_CMD_MI ("var-info-path-expression", mi_cmd_var_info_path_expression),
  168.   DEF_MI_CMD_MI ("var-info-expression", mi_cmd_var_info_expression),
  169.   DEF_MI_CMD_MI ("var-info-num-children", mi_cmd_var_info_num_children),
  170.   DEF_MI_CMD_MI ("var-info-type", mi_cmd_var_info_type),
  171.   DEF_MI_CMD_MI ("var-list-children", mi_cmd_var_list_children),
  172.   DEF_MI_CMD_MI ("var-set-format", mi_cmd_var_set_format),
  173.   DEF_MI_CMD_MI ("var-set-frozen", mi_cmd_var_set_frozen),
  174.   DEF_MI_CMD_MI ("var-set-update-range", mi_cmd_var_set_update_range),
  175.   DEF_MI_CMD_MI ("var-set-visualizer", mi_cmd_var_set_visualizer),
  176.   DEF_MI_CMD_MI ("var-show-attributes", mi_cmd_var_show_attributes),
  177.   DEF_MI_CMD_MI ("var-show-format", mi_cmd_var_show_format),
  178.   DEF_MI_CMD_MI ("var-update", mi_cmd_var_update),
  179.   { NULL, }
  180. };

  182. /* Pointer to the mi command table (built at run time). */

  184. ‌static struct mi_cmd **mi_table;

  186. /* A prime large enough to accomodate the entire command table.  */
  187. enum
  188.   {
  189.     MI_TABLE_SIZE = 227
  190.   };

  192. /* Exported function used to obtain info from the table.  */
  193. struct mi_cmd *
  194. ‌mi_lookup (const char *command)
  195. {
  196.   return *lookup_table (command);
  197. }

  199. /* Used for collecting hash hit/miss statistics.  */

  201. ‌struct mi_cmd_stats
  202. {
  203.   int hit;
  204.   int miss;
  205.   int rehash;
  206. };
  207. ‌struct mi_cmd_stats stats;

  209. /* Look up a command.  */

  211. static struct mi_cmd **
  212. ‌lookup_table (const char *command)
  213. {
  214.   const char *chp;
  215.   unsigned int index = 0;

  217.   /* Compute our hash.  */
  218.   for (chp = command; *chp; chp++)
  219.     {
  220.       /* We use a somewhat arbitrary formula.  */
  221.       index = ((index << 6) + (unsigned int) *chp) % MI_TABLE_SIZE;
  222.     }

  224.   while (1)
  225.     {
  226.       struct mi_cmd **entry = &mi_table[index];
  227.       if ((*entry) == 0)
  228.         {
  229.           /* not found, return pointer to next free. */
  230.           stats.miss++;
  231.           return entry;
  232.         }
  233.       if (strcmp (command, (*entry)->name) == 0)
  234.         {
  235.           stats.hit++;
  236.           return entry;                /* found */
  237.         }
  238.       index = (index + 1) % MI_TABLE_SIZE;
  239.       stats.rehash++;
  240.     }
  241. }

  243. static void
  244. ‌build_table (struct mi_cmd *commands)
  245. {
  246.   int nr_rehash = 0;
  247.   int nr_entries = 0;
  248.   struct mi_cmd *command;

  250.   mi_table = XCNEWVEC (struct mi_cmd *, MI_TABLE_SIZE);
  251.   for (command = commands; command->name != 0; command++)
  252.     {
  253.       struct mi_cmd **entry = lookup_table (command->name);

  255.       if (*entry)
  256.         internal_error (__FILE__, __LINE__,
  257.                         _("command `%s' appears to be duplicated"),
  258.                         command->name);
  259.       *entry = command;
  260.       /* FIXME lose these prints */
  261.       if (0)
  262.         {
  263.           fprintf_unfiltered (gdb_stdlog, "%-30s %2d\n",
  264.                               command->name, stats.rehash - nr_rehash);
  265.         }
  266.       nr_entries++;
  267.       nr_rehash = stats.rehash;
  268.     }
  269.   if (0)
  270.     {
  271.       fprintf_filtered (gdb_stdlog, "Average %3.1f\n",
  272.                         (double) nr_rehash / (double) nr_entries);
  273.     }
  274. }

  276. void
  277. ‌_initialize_mi_cmds (void)
  278. {
  279.   build_table (mi_cmds);
  280.   memset (&stats, 0, sizeof (stats));
  281. }