src/helper/options.c

   1 /***************************************************************************
   2  *   Copyright (C) 2004, 2005 by Dominic Rath                              *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20 #ifdef HAVE_CONFIG_H
  21 #include "config.h"
  22 #endif
  23
  24 #include "types.h"
  25 #include "command.h"
  26 #include "configuration.h"
  27 #include "log.h"
  28
  29 #include <stdio.h>
  30 #include <stdlib.h>
  31 #include <getopt.h>
  32 #include <string.h>
  33
  34 static int help_flag, version_flag;
  35
  36 static struct option long_options[] =
  37 {
  38         {"help",        no_argument,            &help_flag,     1},
  39         {"version",     no_argument,            &version_flag,  1},
  40         {"debug",       optional_argument,      0,              'd'},
  41         {"file",        required_argument,      0,              'f'},
  42         {"search",      required_argument,      0,              's'},
  43         {"log_output",  required_argument,      0,              'l'},
  44         {"command",     required_argument,      0,              'c'},
  45         {0, 0, 0, 0}
  46 };
  47
  48 int configuration_output_handler(struct command_context_s *context, const char* line)
  49 {
  50         LOG_INFO_N(line);
  51
  52         return ERROR_OK;
  53 }
  54
  55 int add_default_dirs(void)
  56 {
  57 #ifdef _WIN32
  58         /* Add the parent of the directory where openocd.exe resides to the
  59          * config script search path.
  60          * Directory layout:
  61          * bin\openocd.exe
  62          * lib\openocd
  63          * event\at91eb40a_reset.cfg
  64          * target\at91eb40a.cfg
  65          */
  66         {
  67                 char strExePath [MAX_PATH];
  68                 GetModuleFileName (NULL, strExePath, MAX_PATH);
  69                 /* Either this code will *always* work or it will SEGFAULT giving
  70                  * excellent information on the culprit.
  71                  */
  72                 *strrchr(strExePath, '\\')=0;
  73                 strcat(strExePath, "\\..");
  74                 add_script_search_dir(strExePath);
  75         }
  76 #else
  77         /* Add dir for openocd supplied scripts last so that user can over
  78            ride those scripts if desired. */
  79         add_script_search_dir(PKGDATADIR);
  80         add_script_search_dir(PKGLIBDIR);
  81 #endif
  82         return ERROR_OK;
  83 }
  84
  85 int parse_cmdline_args(struct command_context_s *cmd_ctx, int argc, char *argv[])
  86 {
  87         int c;
  88         char command_buffer[128];
  89
  90         while (1)
  91         {
  92                 /* getopt_long stores the option index here. */
  93                 int option_index = 0;
  94
  95                 c = getopt_long(argc, argv, "hvd::l:f:s:c:", long_options, &option_index);
  96
  97                 /* Detect the end of the options. */
  98                 if (c == -1)
  99                         break;
 100
 101                 switch (c)
 102                 {
 103                         case 0:
 104                                 break;
 105                         case 'h':       /* --help | -h */
 106                                 help_flag = 1;
 107                                 break;
 108                         case 'v':       /* --version | -v */
 109                                 version_flag = 1;
 110                                 break;
 111                         case 'f':       /* --file | -f */
 112                         {
 113                                 snprintf(command_buffer, 128, "script {%s}", optarg);
 114                                 add_config_command(command_buffer);
 115                                 break;
 116                         }
 117                         case 's':       /* --search | -s */
 118                                 add_script_search_dir(optarg);
 119                                 break;
 120                         case 'd':       /* --debug | -d */
 121                                 if (optarg)
 122                                         snprintf(command_buffer, 128, "debug_level %s", optarg);
 123                                 else
 124                                         snprintf(command_buffer, 128, "debug_level 3");
 125                                 command_run_line(cmd_ctx, command_buffer);
 126                                 break;
 127                         case 'l':       /* --log_output | -l */
 128                                 if (optarg)
 129                                 {
 130                                         snprintf(command_buffer, 128, "log_output %s", optarg);
 131                                         command_run_line(cmd_ctx, command_buffer);
 132                                 }
 133                                 break;
 134                         case 'c':       /* --command | -c */
 135                                 if (optarg)
 136                                 {
 137                                         add_config_command(optarg);
 138                                 }
 139                                 break;
 140
 141                 }
 142         }
 143
 144         if (help_flag)
 145         {
 146                 LOG_OUTPUT("Open On-Chip Debugger\n(c) 2005-2008 by Dominic Rath\n\n");
 147                 LOG_OUTPUT("--help       | -h\tdisplay this help\n");
 148                 LOG_OUTPUT("--version    | -v\tdisplay OpenOCD version\n");
 149                 LOG_OUTPUT("--file       | -f\tuse configuration file <name>\n");
 150                 LOG_OUTPUT("--search     | -s\tdir to search for config files and scripts\n");
 151                 LOG_OUTPUT("--debug      | -d\tset debug level <0-3>\n");
 152                 LOG_OUTPUT("--log_output | -l\tredirect log output to file <name>\n");
 153                 LOG_OUTPUT("--command    | -c\trun <command>\n");
 154                 exit(-1);
 155         }
 156
 157         if (version_flag)
 158         {
 159                 /* Nothing to do, version gets printed automatically. */
 160                 exit(-1);
 161         }
 162
 163
 164         return ERROR_OK;
 165 }