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, char* line)
  49 {
  50         LOG_INFO_N(line);
  51
  52         return ERROR_OK;
  53 }
  54
  55 int parse_cmdline_args(struct command_context_s *cmd_ctx, int argc, char *argv[])
  56 {
  57         int c;
  58         char command_buffer[128];
  59
  60         while (1)
  61         {
  62                 /* getopt_long stores the option index here. */
  63                 int option_index = 0;
  64
  65                 c = getopt_long(argc, argv, "hvd::l:f:s:c:", long_options, &option_index);
  66
  67                 /* Detect the end of the options. */
  68                 if (c == -1)
  69                         break;
  70
  71                 switch (c)
  72                 {
  73                         case 0:
  74                                 break;
  75                         case 'h':       /* --help | -h */
  76                                 help_flag = 1;
  77                                 break;
  78                         case 'v':       /* --version | -v */
  79                                 version_flag = 1;
  80                                 break;
  81                         case 'f':       /* --file | -f */
  82                                 snprintf(command_buffer, 128, "script %s", optarg);
  83                                 add_config_file_name(command_buffer);
  84                                 break;
  85                         case 's':       /* --search | -s */
  86                                 add_script_search_dir(optarg);
  87                                 break;
  88                         case 'd':       /* --debug | -d */
  89                                 if (optarg)
  90                                         snprintf(command_buffer, 128, "debug_level %s", optarg);
  91                                 else
  92                                         snprintf(command_buffer, 128, "debug_level 3");
  93                                 command_run_line(cmd_ctx, command_buffer);
  94                                 break;
  95                         case 'l':       /* --log_output | -l */
  96                                 if (optarg)
  97                                 {
  98                                         snprintf(command_buffer, 128, "log_output %s", optarg);
  99                                         command_run_line(cmd_ctx, command_buffer);
 100                                 }
 101                                 break;
 102                         case 'c':       /* --command | -c */
 103                                 if (optarg)
 104                                 {
 105                                         add_config_file_name(optarg);
 106                                 }
 107                                 break;
 108
 109                 }
 110         }
 111
 112         if (help_flag)
 113         {
 114                 LOG_OUTPUT("Open On-Chip Debugger\n(c) 2005-2008 by Dominic Rath\n\n");
 115                 LOG_OUTPUT("--help       | -h\tdisplay this help\n");
 116                 LOG_OUTPUT("--version    | -v\tdisplay OpenOCD version\n");
 117                 LOG_OUTPUT("--file       | -f\tuse configuration file <name>\n");
 118                 LOG_OUTPUT("--search     | -s\tdir to search for config files and scripts\n");
 119                 LOG_OUTPUT("--debug      | -d\tset debug level <0-3>\n");
 120                 LOG_OUTPUT("--log_output | -l\tredirect log output to file <name>\n");
 121                 LOG_OUTPUT("--command    | -c\trun <command>\n");
 122                 exit(-1);
 123         }
 124
 125         if (version_flag)
 126         {
 127                 /* Nothing to do, version gets printed automatically. */
 128                 exit(-1);
 129         }
 130
 131 #ifdef _WIN32
 132         /* Add the parent of the directory where openocd.exe resides to the
 133          * config script search path.
 134          * Directory layout:
 135          * bin\openocd.exe
 136          * lib\openocd
 137          * event\at91eb40a_reset.cfg
 138          * target\at91eb40a.cfg
 139          */
 140         {
 141                 char strExePath [MAX_PATH];
 142                 GetModuleFileName (NULL, strExePath, MAX_PATH);
 143                 /* Either this code will *always* work or it will SEGFAULT giving
 144                  * excellent information on the culprit.
 145                  */
 146                 *strrchr(strExePath, '\\')=0;
 147                 strcat(strExePath, "\\..");
 148                 add_script_search_dir(strExePath);
 149         }
 150 #else
 151         /* Add dir for openocd supplied scripts last so that user can over
 152            ride those scripts if desired. */
 153         add_script_search_dir(PKGDATADIR);
 154         add_script_search_dir(PKGLIBDIR);
 155 #endif
 156
 157         return ERROR_OK;
 158 }