gdb/mi/mi-cmd-info.c

   1 /* MI Command Set - information commands.
   2    Copyright (C) 2011-2020 Free Software Foundation, Inc.
   3
   4    This file is part of GDB.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  18
  19 #include "defs.h"
  20 #include "osdata.h"
  21 #include "mi-cmds.h"
  22 #include "ada-lang.h"
  23 #include "arch-utils.h"
  24
  25 /* Implement the "-info-ada-exceptions" GDB/MI command.  */
  26
  27 void
  28 mi_cmd_info_ada_exceptions (const char *command, char **argv, int argc)
  29 {
  30   struct ui_out *uiout = current_uiout;
  31   struct gdbarch *gdbarch = get_current_arch ();
  32   char *regexp;
  33
  34   switch (argc)
  35     {
  36     case 0:
  37       regexp = NULL;
  38       break;
  39     case 1:
  40       regexp = argv[0];
  41       break;
  42     default:
  43       error (_("Usage: -info-ada-exceptions [REGEXP]"));
  44       break;
  45     }
  46
  47   std::vector<ada_exc_info> exceptions = ada_exceptions_list (regexp);
  48
  49   ui_out_emit_table table_emitter (uiout, 2,
  50                                    exceptions.size (),
  51                                    "ada-exceptions");
  52   uiout->table_header (1, ui_left, "name", "Name");
  53   uiout->table_header (1, ui_left, "address", "Address");
  54   uiout->table_body ();
  55
  56   for (const ada_exc_info &info : exceptions)
  57     {
  58       ui_out_emit_tuple tuple_emitter (uiout, NULL);
  59       uiout->field_string ("name", info.name);
  60       uiout->field_core_addr ("address", gdbarch, info.addr);
  61     }
  62 }
  63
  64 /* Implement the "-info-gdb-mi-command" GDB/MI command.  */
  65
  66 void
  67 mi_cmd_info_gdb_mi_command (const char *command, char **argv, int argc)
  68 {
  69   const char *cmd_name;
  70   struct mi_cmd *cmd;
  71   struct ui_out *uiout = current_uiout;
  72
  73   /* This command takes exactly one argument.  */
  74   if (argc != 1)
  75     error (_("Usage: -info-gdb-mi-command MI_COMMAND_NAME"));
  76   cmd_name = argv[0];
  77
  78   /* Normally, the command name (aka the "operation" in the GDB/MI
  79      grammar), does not include the leading '-' (dash).  But for
  80      the user's convenience, allow the user to specify the command
  81      name to be with or without that leading dash.  */
  82   if (cmd_name[0] == '-')
  83     cmd_name++;
  84
  85   cmd = mi_lookup (cmd_name);
  86
  87   ui_out_emit_tuple tuple_emitter (uiout, "command");
  88   uiout->field_string ("exists", cmd != NULL ? "true" : "false");
  89 }
  90
  91 void
  92 mi_cmd_info_os (const char *command, char **argv, int argc)
  93 {
  94   switch (argc)
  95     {
  96     case 0:
  97       info_osdata (NULL);
  98       break;
  99     case 1:
 100       info_osdata (argv[0]);
 101       break;
 102     default:
 103       error (_("Usage: -info-os [INFOTYPE]"));
 104       break;
 105     }
 106 }