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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-7.1/] [gdb/] [mi/] [mi-cmds.c] - Blame information for rev 833

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1 227 jeremybenn
/* MI Command Set for GDB, the GNU debugger.
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   Copyright (C) 2000, 2001, 2003, 2007, 2008, 2009, 2010
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   Free Software Foundation, Inc.
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   Contributed by Cygnus Solutions (a Red Hat company).
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   This file is part of GDB.
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 3 of the License, or
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   (at your option) any later version.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
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#include "defs.h"
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#include "top.h"
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#include "mi-cmds.h"
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#include "gdb_string.h"
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extern void _initialize_mi_cmds (void);
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struct mi_cmd;
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static struct mi_cmd **lookup_table (const char *command);
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static void build_table (struct mi_cmd *commands);
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struct mi_cmd mi_cmds[] =
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{
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  { "break-after", { "ignore", 1 }, NULL },
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  { "break-condition", { "cond", 1 }, NULL },
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  { "break-commands", { NULL, 0 }, mi_cmd_break_commands },
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  { "break-delete", { "delete breakpoint", 1 }, NULL },
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  { "break-disable", { "disable breakpoint", 1 }, NULL },
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  { "break-enable", { "enable breakpoint", 1 }, NULL },
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  { "break-info", { "info break", 1 }, NULL },
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  { "break-insert", { NULL, 0 }, mi_cmd_break_insert},
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  { "break-list", { "info break", }, NULL },
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  { "break-watch", { NULL, 0 }, mi_cmd_break_watch},
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  { "data-disassemble", { NULL, 0 }, mi_cmd_disassemble},
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  { "data-evaluate-expression", { NULL, 0 }, mi_cmd_data_evaluate_expression},
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  { "data-list-changed-registers", { NULL, 0 }, mi_cmd_data_list_changed_registers},
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  { "data-list-register-names", { NULL, 0 }, mi_cmd_data_list_register_names},
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  { "data-list-register-values", { NULL, 0 }, mi_cmd_data_list_register_values},
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  { "data-read-memory", { NULL, 0 }, mi_cmd_data_read_memory},
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  { "data-write-memory", { NULL, 0 }, mi_cmd_data_write_memory},
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  { "data-write-register-values", { NULL, 0 }, mi_cmd_data_write_register_values},
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  { "enable-timings", { NULL, 0 }, mi_cmd_enable_timings},
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  { "enable-pretty-printing", { NULL, 0 }, mi_cmd_enable_pretty_printing},
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  { "environment-cd", { NULL, 0 }, mi_cmd_env_cd},
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  { "environment-directory", { NULL, 0 }, mi_cmd_env_dir},
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  { "environment-path", { NULL, 0 }, mi_cmd_env_path},
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  { "environment-pwd", { NULL, 0 }, mi_cmd_env_pwd},
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  { "exec-arguments", { "set args", 1 }, NULL },
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  { "exec-continue", { NULL, 0 }, mi_cmd_exec_continue},
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  { "exec-finish", { NULL, 0 }, mi_cmd_exec_finish},
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  { "exec-jump", { NULL, 0 }, mi_cmd_exec_jump},
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  { "exec-interrupt", { NULL, 0 }, mi_cmd_exec_interrupt},
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  { "exec-next", { NULL, 0 }, mi_cmd_exec_next},
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  { "exec-next-instruction", { NULL, 0 }, mi_cmd_exec_next_instruction},
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  { "exec-return", { NULL, 0 }, mi_cmd_exec_return},
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  { "exec-run", { "run", 1 }, NULL},
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  { "exec-step", { NULL, 0 }, mi_cmd_exec_step},
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  { "exec-step-instruction", { NULL, 0 }, mi_cmd_exec_step_instruction},
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  { "exec-until", { "until", 1 }, NULL},
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  { "file-exec-and-symbols", { "file", 1 }, NULL },
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  { "file-exec-file", { "exec-file", 1 }, NULL },
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  { "file-list-exec-source-file", { NULL, 0 }, mi_cmd_file_list_exec_source_file},
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  { "file-list-exec-source-files", { NULL, 0 }, mi_cmd_file_list_exec_source_files },
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  { "file-symbol-file", { "symbol-file", 1 }, NULL },
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  { "gdb-exit", { NULL, 0 }, mi_cmd_gdb_exit},
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  { "gdb-set", { "set", 1 }, NULL },
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  { "gdb-show", { "show", 1 }, NULL },
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  { "gdb-version", { "show version", 0 }, 0 },
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  { "inferior-tty-set", { NULL, 0 }, mi_cmd_inferior_tty_set},
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  { "inferior-tty-show", { NULL, 0 }, mi_cmd_inferior_tty_show},
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  { "interpreter-exec", { NULL, 0 }, mi_cmd_interpreter_exec},
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  { "list-features", { NULL, 0 }, mi_cmd_list_features},
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  { "list-target-features", { NULL, 0 }, mi_cmd_list_target_features},
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  { "list-thread-groups", { NULL, 0 }, mi_cmd_list_thread_groups },
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  { "stack-info-depth", { NULL, 0 }, mi_cmd_stack_info_depth},
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  { "stack-info-frame", { NULL, 0 }, mi_cmd_stack_info_frame},
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  { "stack-list-arguments", { NULL, 0 }, mi_cmd_stack_list_args},
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  { "stack-list-frames", { NULL, 0 }, mi_cmd_stack_list_frames},
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  { "stack-list-locals", { NULL, 0 }, mi_cmd_stack_list_locals},
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  { "stack-list-variables", { NULL, 0 }, mi_cmd_stack_list_variables},
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  { "stack-select-frame", { NULL, 0 }, mi_cmd_stack_select_frame},
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  { "symbol-list-lines", { NULL, 0 }, mi_cmd_symbol_list_lines},
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  { "target-attach", { "attach", 1 }, NULL },
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  { "target-detach", { NULL, 0 }, mi_cmd_target_detach },
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  { "target-disconnect", { "disconnect", 0 }, 0 },
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  { "target-download", { "load", 1 }, NULL},
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  { "target-file-delete", { NULL, 0 }, mi_cmd_target_file_delete },
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  { "target-file-get", { NULL, 0 }, mi_cmd_target_file_get },
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  { "target-file-put", { NULL, 0 }, mi_cmd_target_file_put },
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  { "target-select", { "target", 1 }, NULL},
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  { "thread-info", { NULL, 0 }, mi_cmd_thread_info },
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  { "thread-list-ids", { NULL, 0 }, mi_cmd_thread_list_ids},
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  { "thread-select", { NULL, 0 }, mi_cmd_thread_select},
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  { "var-assign", { NULL, 0 }, mi_cmd_var_assign},
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  { "var-create", { NULL, 0 }, mi_cmd_var_create},
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  { "var-delete", { NULL, 0 }, mi_cmd_var_delete},
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  { "var-evaluate-expression", { NULL, 0 },  mi_cmd_var_evaluate_expression},
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  { "var-info-path-expression", { NULL, 0 }, mi_cmd_var_info_path_expression},
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  { "var-info-expression", { NULL, 0 }, mi_cmd_var_info_expression},
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  { "var-info-num-children", { NULL, 0 }, mi_cmd_var_info_num_children},
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  { "var-info-type", { NULL, 0 }, mi_cmd_var_info_type},
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  { "var-list-children", { NULL, 0 }, mi_cmd_var_list_children},
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  { "var-set-format", { NULL, 0 }, mi_cmd_var_set_format},
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  { "var-set-frozen", { NULL, 0 }, mi_cmd_var_set_frozen},
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  { "var-set-update-range", { NULL, 0 }, mi_cmd_var_set_update_range },
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  { "var-set-visualizer", { NULL, 0 }, mi_cmd_var_set_visualizer},
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  { "var-show-attributes", { NULL, 0 }, mi_cmd_var_show_attributes},
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  { "var-show-format", { NULL, 0 }, mi_cmd_var_show_format},
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  { "var-update", { NULL, 0 }, mi_cmd_var_update},
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  { NULL, }
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};
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/* Pointer to the mi command table (built at run time) */
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static struct mi_cmd **mi_table;
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/* A prime large enough to accomodate the entire command table */
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enum
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  {
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    MI_TABLE_SIZE = 227
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  };
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/* Exported function used to obtain info from the table */
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struct mi_cmd *
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mi_lookup (const char *command)
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{
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  return *lookup_table (command);
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}
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/* stat collecting */
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struct mi_cmd_stats
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{
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  int hit;
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  int miss;
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  int rehash;
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};
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struct mi_cmd_stats stats;
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/* our lookup function */
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static struct mi_cmd **
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lookup_table (const char *command)
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{
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  const char *chp;
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  unsigned int index = 0;
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  /* compute our hash */
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  for (chp = command; *chp; chp++)
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    {
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      /* some what arbitrary */
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      index = ((index << 6) + (unsigned int) *chp) % MI_TABLE_SIZE;
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    }
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  /* look it up */
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  while (1)
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    {
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      struct mi_cmd **entry = &mi_table[index];
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      if ((*entry) == 0)
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        {
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          /* not found, return pointer to next free. */
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          stats.miss++;
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          return entry;
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        }
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      if (strcmp (command, (*entry)->name) == 0)
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        {
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          stats.hit++;
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          return entry;         /* found */
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        }
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      index = (index + 1) % MI_TABLE_SIZE;
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      stats.rehash++;
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    }
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}
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static void
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build_table (struct mi_cmd *commands)
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{
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  int nr_rehash = 0;
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  int nr_entries = 0;
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  struct mi_cmd *command;
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  int sizeof_table = sizeof (struct mi_cmd **) * MI_TABLE_SIZE;
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  mi_table = xmalloc (sizeof_table);
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  memset (mi_table, 0, sizeof_table);
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  for (command = commands; command->name != 0; command++)
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    {
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      struct mi_cmd **entry = lookup_table (command->name);
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      if (*entry)
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        internal_error (__FILE__, __LINE__,
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                        _("command `%s' appears to be duplicated"),
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                        command->name);
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      *entry = command;
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      if (0)
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        {
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          fprintf_unfiltered (gdb_stdlog, "%-30s %2d\n",
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                              command->name, stats.rehash - nr_rehash);
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        }
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      nr_entries++;
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      nr_rehash = stats.rehash;
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    }
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  if (0)
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    {
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      fprintf_filtered (gdb_stdlog, "Average %3.1f\n",
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                        (double) nr_rehash / (double) nr_entries);
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    }
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}
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void
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_initialize_mi_cmds (void)
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{
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  build_table (mi_cmds);
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  memset (&stats, 0, sizeof (stats));
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}

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