gdb/mi/mi-cmd-catch.c

   1 /* MI Command Set - catch commands.
   2    Copyright (C) 2012-2016 Free Software Foundation, Inc.
   3
   4    Contributed by Intel Corporation.
   5
   6    This file is part of GDB.
   7
   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.
  12
  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.
  17
  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/>.  */
  20
  21 #include "defs.h"
  22 #include "arch-utils.h"
  23 #include "breakpoint.h"
  24 #include "gdb.h"
  25 #include "ada-lang.h"
  26 #include "mi-cmds.h"
  27 #include "mi-getopt.h"
  28 #include "mi-cmd-break.h"
  29
  30 /* Handler for the -catch-assert command.  */
  31
  32 void
  33 mi_cmd_catch_assert (char *cmd, char *argv[], int argc)
  34 {
  35   struct gdbarch *gdbarch = get_current_arch();
  36   char *condition = NULL;
  37   int enabled = 1;
  38   int temp = 0;
  39
  40   int oind = 0;
  41   char *oarg;
  42
  43   enum opt
  44     {
  45       OPT_CONDITION, OPT_DISABLED, OPT_TEMP,
  46     };
  47   static const struct mi_opt opts[] =
  48     {
  49       { "c", OPT_CONDITION, 1},
  50       { "d", OPT_DISABLED, 0 },
  51       { "t", OPT_TEMP, 0 },
  52       { 0, 0, 0 }
  53     };
  54
  55   for (;;)
  56     {
  57       int opt = mi_getopt ("-catch-assert", argc, argv, opts,
  58                            &oind, &oarg);
  59
  60       if (opt < 0)
  61         break;
  62
  63       switch ((enum opt) opt)
  64         {
  65         case OPT_CONDITION:
  66           condition = oarg;
  67           break;
  68         case OPT_DISABLED:
  69           enabled = 0;
  70           break;
  71         case OPT_TEMP:
  72           temp = 1;
  73           break;
  74         }
  75     }
  76
  77   /* This command does not accept any argument.  Make sure the user
  78      did not provide any.  */
  79   if (oind != argc)
  80     error (_("Invalid argument: %s"), argv[oind]);
  81
  82   setup_breakpoint_reporting ();
  83   /* create_ada_exception_catchpoint needs CONDITION to be xstrdup'ed,
  84      and will assume control of its lifetime.  */
  85   if (condition != NULL)
  86     condition = xstrdup (condition);
  87   create_ada_exception_catchpoint (gdbarch, ada_catch_assert,
  88                                    NULL, condition, temp, enabled, 0);
  89 }
  90
  91 /* Handler for the -catch-exception command.  */
  92
  93 void
  94 mi_cmd_catch_exception (char *cmd, char *argv[], int argc)
  95 {
  96   struct gdbarch *gdbarch = get_current_arch();
  97   char *condition = NULL;
  98   int enabled = 1;
  99   char *exception_name = NULL;
 100   int temp = 0;
 101   enum ada_exception_catchpoint_kind ex_kind = ada_catch_exception;
 102
 103   int oind = 0;
 104   char *oarg;
 105
 106   enum opt
 107     {
 108       OPT_CONDITION, OPT_DISABLED, OPT_EXCEPTION_NAME, OPT_TEMP,
 109       OPT_UNHANDLED,
 110     };
 111   static const struct mi_opt opts[] =
 112     {
 113       { "c", OPT_CONDITION, 1},
 114       { "d", OPT_DISABLED, 0 },
 115       { "e", OPT_EXCEPTION_NAME, 1 },
 116       { "t", OPT_TEMP, 0 },
 117       { "u", OPT_UNHANDLED, 0},
 118       { 0, 0, 0 }
 119     };
 120
 121   for (;;)
 122     {
 123       int opt = mi_getopt ("-catch-exception", argc, argv, opts,
 124                            &oind, &oarg);
 125
 126       if (opt < 0)
 127         break;
 128
 129       switch ((enum opt) opt)
 130         {
 131         case OPT_CONDITION:
 132           condition = oarg;
 133           break;
 134         case OPT_DISABLED:
 135           enabled = 0;
 136           break;
 137         case OPT_EXCEPTION_NAME:
 138           exception_name = oarg;
 139           break;
 140         case OPT_TEMP:
 141           temp = 1;
 142           break;
 143         case OPT_UNHANDLED:
 144           ex_kind = ada_catch_exception_unhandled;
 145           break;
 146         }
 147     }
 148
 149   /* This command does not accept any argument.  Make sure the user
 150      did not provide any.  */
 151   if (oind != argc)
 152     error (_("Invalid argument: %s"), argv[oind]);
 153
 154   /* Specifying an exception name does not make sense when requesting
 155      an unhandled exception breakpoint.  */
 156   if (ex_kind == ada_catch_exception_unhandled && exception_name != NULL)
 157     error (_("\"-e\" and \"-u\" are mutually exclusive"));
 158
 159   setup_breakpoint_reporting ();
 160   /* create_ada_exception_catchpoint needs EXCEPTION_NAME and CONDITION
 161      to be xstrdup'ed, and will assume control of their lifetime.  */
 162   if (exception_name != NULL)
 163     exception_name = xstrdup (exception_name);
 164   if (condition != NULL)
 165     condition = xstrdup (condition);
 166   create_ada_exception_catchpoint (gdbarch, ex_kind,
 167                                    exception_name, condition,
 168                                    temp, enabled, 0);
 169 }
 170
 171 /* Common path for the -catch-load and -catch-unload.  */
 172
 173 static void
 174 mi_catch_load_unload (int load, char *argv[], int argc)
 175 {
 176   struct cleanup *back_to;
 177   const char *actual_cmd = load ? "-catch-load" : "-catch-unload";
 178   int temp = 0;
 179   int enabled = 1;
 180   int oind = 0;
 181   char *oarg;
 182   enum opt
 183     {
 184       OPT_TEMP,
 185       OPT_DISABLED,
 186     };
 187   static const struct mi_opt opts[] =
 188     {
 189       { "t", OPT_TEMP, 0 },
 190       { "d", OPT_DISABLED, 0 },
 191       { 0, 0, 0 }
 192     };
 193
 194   for (;;)
 195     {
 196       int opt = mi_getopt (actual_cmd, argc, argv, opts,
 197                            &oind, &oarg);
 198
 199       if (opt < 0)
 200         break;
 201
 202       switch ((enum opt) opt)
 203         {
 204         case OPT_TEMP:
 205           temp = 1;
 206           break;
 207         case OPT_DISABLED:
 208           enabled = 0;
 209           break;
 210         }
 211     }
 212
 213   if (oind >= argc)
 214     error (_("-catch-load/unload: Missing <library name>"));
 215   if (oind < argc -1)
 216     error (_("-catch-load/unload: Garbage following the <library name>"));
 217
 218   back_to = setup_breakpoint_reporting ();
 219
 220   add_solib_catchpoint (argv[oind], load, temp, enabled);
 221
 222   do_cleanups (back_to);
 223 }
 224
 225 /* Handler for the -catch-load.  */
 226
 227 void
 228 mi_cmd_catch_load (char *cmd, char *argv[], int argc)
 229 {
 230   mi_catch_load_unload (1, argv, argc);
 231 }
 232
 233
 234 /* Handler for the -catch-unload.  */
 235
 236 void
 237 mi_cmd_catch_unload (char *cmd, char *argv[], int argc)
 238 {
 239   mi_catch_load_unload (0, argv, argc);
 240 }
 241