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[/] [or1k/] [trunk/] [gdb-5.0/] [gdb/] [mi/] [mi-cmds.c] - Blame information for rev 107

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1 106 markom
/* MI Command Set.
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   Copyright (C) 2000, 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 2 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, write to the Free Software
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   Foundation, Inc., 59 Temple Place - Suite 330,
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   Boston, MA 02111-1307, USA.  */
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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 <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 %s", 0},
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  {"break-catch", 0, 0},
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  {"break-commands", 0, 0},
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  {"break-condition", "cond %s", 0},
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  {"break-delete", "delete breakpoint %s", 0},
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  {"break-disable", "disable breakpoint %s", 0},
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  {"break-enable", "enable breakpoint %s", 0},
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  {"break-info", "info break %s", 0},
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  {"break-insert", 0, 0, mi_cmd_break_insert},
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  {"break-list", "info break", 0},
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  {"break-watch", 0, 0, mi_cmd_break_watch},
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  {"data-disassemble", 0, 0, mi_cmd_disassemble},
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  {"data-evaluate-expression", 0, 0, mi_cmd_data_evaluate_expression},
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  {"data-list-changed-registers", 0, 0, mi_cmd_data_list_changed_registers},
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  {"data-list-register-names", 0, 0, mi_cmd_data_list_register_names},
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  {"data-list-register-values", 0, 0, mi_cmd_data_list_register_values},
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  {"data-read-memory", 0, 0, mi_cmd_data_read_memory},
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  {"data-write-memory", 0, 0, mi_cmd_data_write_memory},
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  {"data-write-register-values", 0, 0, mi_cmd_data_write_register_values},
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  {"display-delete", 0, 0},
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  {"display-disable", 0, 0},
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  {"display-enable", 0, 0},
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  {"display-insert", 0, 0},
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  {"display-list", 0, 0},
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  {"environment-cd", "cd %s", 0},
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  {"environment-directory", "dir %s", 0},
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  {"environment-path", "path %s", 0},
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  {"environment-pwd", "pwd", 0},
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  {"exec-abort", 0, 0},
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  {"exec-arguments", "set args %s", 0},
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  {"exec-continue", 0, mi_cmd_exec_continue},
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  {"exec-finish", 0, mi_cmd_exec_finish},
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  {"exec-interrupt", 0, mi_cmd_exec_interrupt},
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  {"exec-next", 0, mi_cmd_exec_next},
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  {"exec-next-instruction", 0, mi_cmd_exec_next_instruction},
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  {"exec-return", 0, mi_cmd_exec_return},
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  {"exec-run", 0, mi_cmd_exec_run},
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  {"exec-show-arguments", 0, 0},
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  {"exec-signal", 0, 0},
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  {"exec-step", 0, mi_cmd_exec_step},
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  {"exec-step-instruction", 0, mi_cmd_exec_step_instruction},
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  {"exec-until", 0, mi_cmd_exec_until},
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  {"file-clear", 0, 0},
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  {"file-exec-and-symbols", "file %s", 0},
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  {"file-exec-file", "exec-file %s", 0},
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  {"file-list-exec-sections", 0, 0},
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  {"file-list-exec-source-files", 0, 0},
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  {"file-list-shared-libraries", 0, 0},
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  {"file-list-symbol-files", 0, 0},
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  {"file-symbol-file", "symbol-file %s", 0},
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  {"gdb-complete", 0, 0},
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  {"gdb-exit", 0, 0, mi_cmd_gdb_exit},
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  {"gdb-set", "set %s", 0},
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  {"gdb-show", "show %s", 0},
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  {"gdb-source", 0, 0},
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  {"gdb-version", "show version", 0},
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  {"kod-info", 0, 0},
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  {"kod-list", 0, 0},
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  {"kod-list-object-types", 0, 0},
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  {"kod-show", 0, 0},
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  {"overlay-auto", 0, 0},
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  {"overlay-list-mapping-state", 0, 0},
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  {"overlay-list-overlays", 0, 0},
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  {"overlay-map", 0, 0},
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  {"overlay-off", 0, 0},
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  {"overlay-on", 0, 0},
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  {"overlay-unmap", 0, 0},
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  {"signal-handle", 0, 0},
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  {"signal-list-handle-actions", 0, 0},
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  {"signal-list-signal-types", 0, 0},
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  {"stack-info-depth", 0, 0, mi_cmd_stack_info_depth},
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  {"stack-info-frame", 0, 0},
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  {"stack-list-arguments", 0, 0, mi_cmd_stack_list_args},
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  {"stack-list-exception-handlers", 0, 0},
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  {"stack-list-frames", 0, 0, mi_cmd_stack_list_frames},
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  {"stack-list-locals", 0, 0, mi_cmd_stack_list_locals},
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  {"stack-select-frame", 0, 0, mi_cmd_stack_select_frame},
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  {"symbol-info-address", 0, 0},
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  {"symbol-info-file", 0, 0},
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  {"symbol-info-function", 0, 0},
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  {"symbol-info-line", 0, 0},
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  {"symbol-info-symbol", 0, 0},
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  {"symbol-list-functions", 0, 0},
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  {"symbol-list-types", 0, 0},
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  {"symbol-list-variables", 0, 0},
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  {"symbol-locate", 0, 0},
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  {"symbol-type", 0, 0},
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  {"target-attach", 0, 0},
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  {"target-compare-sections", 0, 0},
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  {"target-detach", "detach", 0},
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  {"target-download", 0, mi_cmd_target_download},
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  {"target-exec-status", 0, 0},
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  {"target-list-available-targets", 0, 0},
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  {"target-list-current-targets", 0, 0},
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  {"target-list-parameters", 0, 0},
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  {"target-select", 0, mi_cmd_target_select},
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  {"thread-info", 0, 0},
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  {"thread-list-all-threads", 0, 0},
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  {"thread-list-ids", 0, 0, mi_cmd_thread_list_ids},
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  {"thread-select", 0, 0, mi_cmd_thread_select},
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  {"trace-actions", 0, 0},
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  {"trace-delete", 0, 0},
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  {"trace-disable", 0, 0},
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  {"trace-dump", 0, 0},
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  {"trace-enable", 0, 0},
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  {"trace-exists", 0, 0},
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  {"trace-find", 0, 0},
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  {"trace-frame-number", 0, 0},
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  {"trace-info", 0, 0},
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  {"trace-insert", 0, 0},
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  {"trace-list", 0, 0},
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  {"trace-pass-count", 0, 0},
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  {"trace-save", 0, 0},
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  {"trace-start", 0, 0},
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  {"trace-stop", 0, 0},
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  {"var-assign", 0, 0, mi_cmd_var_assign},
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  {"var-create", 0, 0, mi_cmd_var_create},
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  {"var-delete", 0, 0, mi_cmd_var_delete},
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  {"var-evaluate-expression", 0, 0, mi_cmd_var_evaluate_expression},
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  {"var-info-expression", 0, 0, mi_cmd_var_info_expression},
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  {"var-info-num-children", 0, 0, mi_cmd_var_info_num_children},
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  {"var-info-type", 0, 0, mi_cmd_var_info_type},
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  {"var-list-children", 0, 0, mi_cmd_var_list_children},
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  {"var-set-format", 0, 0, mi_cmd_var_set_format},
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  {"var-show-attributes", 0, 0, mi_cmd_var_show_attributes},
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  {"var-show-format", 0, 0, mi_cmd_var_show_format},
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  {"var-update", 0, 0, mi_cmd_var_update},
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  {0,}
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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 ("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 ()
257
{
258
  build_table (mi_cmds);
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  memset (&stats, 0, sizeof (stats));
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}
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/* Local variables: */
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/* change-log-default-name: "ChangeLog-mi" */
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/* End: */

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