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/* MI Command Set for GDB, the GNU debugger.
Copyright (C) 2000-2001, 2003, 2007-2012 Free Software Foundation,
Inc.
Contributed by Cygnus Solutions (a Red Hat company).
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "top.h"
#include "mi-cmds.h"
#include "gdb_string.h"
extern void _initialize_mi_cmds (void);
struct mi_cmd;
static struct mi_cmd **lookup_table (const char *command);
static void build_table (struct mi_cmd *commands);
struct mi_cmd mi_cmds[] =
{
{ "ada-task-info", { NULL, 0 }, mi_cmd_ada_task_info },
{ "add-inferior", { NULL, 0 }, mi_cmd_add_inferior },
{ "break-after", { "ignore", 1 }, NULL },
{ "break-condition", { "cond", 1 }, NULL },
{ "break-commands", { NULL, 0 }, mi_cmd_break_commands },
{ "break-delete", { "delete breakpoint", 1 }, NULL },
{ "break-disable", { "disable breakpoint", 1 }, NULL },
{ "break-enable", { "enable breakpoint", 1 }, NULL },
{ "break-info", { "info break", 1 }, NULL },
{ "break-insert", { NULL, 0 }, mi_cmd_break_insert},
{ "break-list", { "info break", }, NULL },
{ "break-passcount", { NULL, 0 }, mi_cmd_break_passcount},
{ "break-watch", { NULL, 0 }, mi_cmd_break_watch},
{ "data-disassemble", { NULL, 0 }, mi_cmd_disassemble},
{ "data-evaluate-expression", { NULL, 0 }, mi_cmd_data_evaluate_expression},
{ "data-list-changed-registers", { NULL, 0 },
mi_cmd_data_list_changed_registers},
{ "data-list-register-names", { NULL, 0 }, mi_cmd_data_list_register_names},
{ "data-list-register-values", { NULL, 0 },
mi_cmd_data_list_register_values},
{ "data-read-memory", { NULL, 0 }, mi_cmd_data_read_memory},
{ "data-read-memory-bytes", { NULL, 0 }, mi_cmd_data_read_memory_bytes},
{ "data-write-memory", { NULL, 0 }, mi_cmd_data_write_memory},
{ "data-write-memory-bytes", {NULL, 0}, mi_cmd_data_write_memory_bytes},
{ "data-write-register-values", { NULL, 0 },
mi_cmd_data_write_register_values},
{ "enable-timings", { NULL, 0 }, mi_cmd_enable_timings},
{ "enable-pretty-printing", { NULL, 0 }, mi_cmd_enable_pretty_printing},
{ "environment-cd", { NULL, 0 }, mi_cmd_env_cd},
{ "environment-directory", { NULL, 0 }, mi_cmd_env_dir},
{ "environment-path", { NULL, 0 }, mi_cmd_env_path},
{ "environment-pwd", { NULL, 0 }, mi_cmd_env_pwd},
{ "exec-arguments", { "set args", 1 }, NULL },
{ "exec-continue", { NULL, 0 }, mi_cmd_exec_continue},
{ "exec-finish", { NULL, 0 }, mi_cmd_exec_finish},
{ "exec-jump", { NULL, 0 }, mi_cmd_exec_jump},
{ "exec-interrupt", { NULL, 0 }, mi_cmd_exec_interrupt},
{ "exec-next", { NULL, 0 }, mi_cmd_exec_next},
{ "exec-next-instruction", { NULL, 0 }, mi_cmd_exec_next_instruction},
{ "exec-return", { NULL, 0 }, mi_cmd_exec_return},
{ "exec-run", { NULL, 0}, mi_cmd_exec_run},
{ "exec-step", { NULL, 0 }, mi_cmd_exec_step},
{ "exec-step-instruction", { NULL, 0 }, mi_cmd_exec_step_instruction},
{ "exec-until", { "until", 1 }, NULL},
{ "file-exec-and-symbols", { "file", 1 }, NULL },
{ "file-exec-file", { "exec-file", 1 }, NULL },
{ "file-list-exec-source-file", { NULL, 0 },
mi_cmd_file_list_exec_source_file},
{ "file-list-exec-source-files", { NULL, 0 },
mi_cmd_file_list_exec_source_files },
{ "file-symbol-file", { "symbol-file", 1 }, NULL },
{ "gdb-exit", { NULL, 0 }, mi_cmd_gdb_exit},
{ "gdb-set", { "set", 1 }, NULL },
{ "gdb-show", { "show", 1 }, NULL },
{ "gdb-version", { "show version", 0 }, 0 },
{ "inferior-tty-set", { NULL, 0 }, mi_cmd_inferior_tty_set},
{ "inferior-tty-show", { NULL, 0 }, mi_cmd_inferior_tty_show},
{ "info-os", { NULL, 0 }, mi_cmd_info_os},
{ "interpreter-exec", { NULL, 0 }, mi_cmd_interpreter_exec},
{ "list-features", { NULL, 0 }, mi_cmd_list_features},
{ "list-target-features", { NULL, 0 }, mi_cmd_list_target_features},
{ "list-thread-groups", { NULL, 0 }, mi_cmd_list_thread_groups },
{ "remove-inferior", { NULL, 0 }, mi_cmd_remove_inferior },
{ "stack-info-depth", { NULL, 0 }, mi_cmd_stack_info_depth},
{ "stack-info-frame", { NULL, 0 }, mi_cmd_stack_info_frame},
{ "stack-list-arguments", { NULL, 0 }, mi_cmd_stack_list_args},
{ "stack-list-frames", { NULL, 0 }, mi_cmd_stack_list_frames},
{ "stack-list-locals", { NULL, 0 }, mi_cmd_stack_list_locals},
{ "stack-list-variables", { NULL, 0 }, mi_cmd_stack_list_variables},
{ "stack-select-frame", { NULL, 0 }, mi_cmd_stack_select_frame},
{ "symbol-list-lines", { NULL, 0 }, mi_cmd_symbol_list_lines},
{ "target-attach", { "attach", 1 }, NULL },
{ "target-detach", { NULL, 0 }, mi_cmd_target_detach },
{ "target-disconnect", { "disconnect", 0 }, 0 },
{ "target-download", { "load", 1 }, NULL},
{ "target-file-delete", { NULL, 0 }, mi_cmd_target_file_delete },
{ "target-file-get", { NULL, 0 }, mi_cmd_target_file_get },
{ "target-file-put", { NULL, 0 }, mi_cmd_target_file_put },
{ "target-select", { "target", 1 }, NULL},
{ "thread-info", { NULL, 0 }, mi_cmd_thread_info },
{ "thread-list-ids", { NULL, 0 }, mi_cmd_thread_list_ids},
{ "thread-select", { NULL, 0 }, mi_cmd_thread_select},
{ "trace-define-variable", { NULL, 0 }, mi_cmd_trace_define_variable },
{ "trace-find", { NULL, 0 }, mi_cmd_trace_find },
{ "trace-list-variables", { NULL, 0 }, mi_cmd_trace_list_variables },
{ "trace-save", { NULL, 0 }, mi_cmd_trace_save },
{ "trace-start", { NULL, 0 }, mi_cmd_trace_start },
{ "trace-status", { NULL, 0 }, mi_cmd_trace_status },
{ "trace-stop", { NULL, 0 }, mi_cmd_trace_stop },
{ "var-assign", { NULL, 0 }, mi_cmd_var_assign},
{ "var-create", { NULL, 0 }, mi_cmd_var_create},
{ "var-delete", { NULL, 0 }, mi_cmd_var_delete},
{ "var-evaluate-expression", { NULL, 0 }, mi_cmd_var_evaluate_expression},
{ "var-info-path-expression", { NULL, 0 }, mi_cmd_var_info_path_expression},
{ "var-info-expression", { NULL, 0 }, mi_cmd_var_info_expression},
{ "var-info-num-children", { NULL, 0 }, mi_cmd_var_info_num_children},
{ "var-info-type", { NULL, 0 }, mi_cmd_var_info_type},
{ "var-list-children", { NULL, 0 }, mi_cmd_var_list_children},
{ "var-set-format", { NULL, 0 }, mi_cmd_var_set_format},
{ "var-set-frozen", { NULL, 0 }, mi_cmd_var_set_frozen},
{ "var-set-update-range", { NULL, 0 }, mi_cmd_var_set_update_range },
{ "var-set-visualizer", { NULL, 0 }, mi_cmd_var_set_visualizer},
{ "var-show-attributes", { NULL, 0 }, mi_cmd_var_show_attributes},
{ "var-show-format", { NULL, 0 }, mi_cmd_var_show_format},
{ "var-update", { NULL, 0 }, mi_cmd_var_update},
{ NULL, }
};
/* Pointer to the mi command table (built at run time). */
static struct mi_cmd **mi_table;
/* A prime large enough to accomodate the entire command table. */
enum
{
MI_TABLE_SIZE = 227
};
/* Exported function used to obtain info from the table. */
struct mi_cmd *
mi_lookup (const char *command)
{
return *lookup_table (command);
}
/* Used for collecting hash hit/miss statistics. */
struct mi_cmd_stats
{
int hit;
int miss;
int rehash;
};
struct mi_cmd_stats stats;
/* Look up a command. */
static struct mi_cmd **
lookup_table (const char *command)
{
const char *chp;
unsigned int index = 0;
/* Compute our hash. */
for (chp = command; *chp; chp++)
{
/* We use a somewhat arbitrary formula. */
index = ((index << 6) + (unsigned int) *chp) % MI_TABLE_SIZE;
}
while (1)
{
struct mi_cmd **entry = &mi_table[index];
if ((*entry) == 0)
{
/* not found, return pointer to next free. */
stats.miss++;
return entry;
}
if (strcmp (command, (*entry)->name) == 0)
{
stats.hit++;
return entry; /* found */
}
index = (index + 1) % MI_TABLE_SIZE;
stats.rehash++;
}
}
static void
build_table (struct mi_cmd *commands)
{
int nr_rehash = 0;
int nr_entries = 0;
struct mi_cmd *command;
int sizeof_table = sizeof (struct mi_cmd **) * MI_TABLE_SIZE;
mi_table = xmalloc (sizeof_table);
memset (mi_table, 0, sizeof_table);
for (command = commands; command->name != 0; command++)
{
struct mi_cmd **entry = lookup_table (command->name);
if (*entry)
internal_error (__FILE__, __LINE__,
_("command `%s' appears to be duplicated"),
command->name);
*entry = command;
/* FIXME lose these prints */
if (0)
{
fprintf_unfiltered (gdb_stdlog, "%-30s %2d\n",
command->name, stats.rehash - nr_rehash);
}
nr_entries++;
nr_rehash = stats.rehash;
}
if (0)
{
fprintf_filtered (gdb_stdlog, "Average %3.1f\n",
(double) nr_rehash / (double) nr_entries);
}
}
void
_initialize_mi_cmds (void)
{
build_table (mi_cmds);
memset (&stats, 0, sizeof (stats));
}
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