src/helper/options.c

   1 /***************************************************************************
   2  *   Copyright (C) 2004, 2005 by Dominic Rath                              *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
   6  *   oyvind.harboe@zylin.com                                               *
   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 2 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, write to the                         *
  20  *   Free Software Foundation, Inc.,                                       *
  21  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  22  ***************************************************************************/
  23 #ifdef HAVE_CONFIG_H
  24 #include "config.h"
  25 #endif
  26
  27 #include "configuration.h"
  28 #include "log.h"
  29 // @todo the inclusion of server.h here is a layering violation
  30 #include "server.h"
  31
  32 #include <getopt.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         {"pipe",        no_argument,            0,              'p'},
  46         {0, 0, 0, 0}
  47 };
  48
  49 int configuration_output_handler(struct command_context_s *context, const char* line)
  50 {
  51         LOG_USER_N("%s", line);
  52
  53         return ERROR_OK;
  54 }
  55
  56 int add_default_dirs(void)
  57 {
  58 #ifdef _WIN32
  59         /* Add the parent of the directory where openocd.exe resides to the
  60          * config script search path.
  61          * Directory layout:
  62          * bin\openocd.exe
  63          * lib\openocd
  64          * event\at91eb40a_reset.cfg
  65          * target\at91eb40a.cfg
  66          */
  67         {
  68                 char strExePath [MAX_PATH];
  69                 GetModuleFileName (NULL, strExePath, MAX_PATH);
  70                 /* Either this code will *always* work or it will SEGFAULT giving
  71                  * excellent information on the culprit.
  72                  */
  73                 *strrchr(strExePath, '\\')=0;
  74                 strcat(strExePath, "\\..");
  75                 add_script_search_dir(strExePath);
  76         }
  77         /*
  78          * Add support for the default (as of 20080121) layout when
  79          * using autotools and cygwin to build native MinGW binary.
  80          * Path separator is converted to UNIX style so that MinGW is
  81          * pleased.
  82          *
  83          * bin/openocd.exe
  84          * lib/openocd/event/at91eb40a_reset.cfg
  85          * lib/openocd/target/at91eb40a.cfg
  86          */
  87         {
  88                 char strExePath [MAX_PATH];
  89                 char *p;
  90                 GetModuleFileName (NULL, strExePath, MAX_PATH);
  91                 *strrchr(strExePath, '\\')=0;
  92                 strcat(strExePath, "/../lib/"PACKAGE);
  93                 for(p=strExePath; *p; p++) {
  94                         if(*p == '\\')
  95                                 *p = '/';
  96                 }
  97                 add_script_search_dir(strExePath);
  98         }
  99 #else
 100         /* Add dir for openocd supplied scripts last so that user can over
 101            ride those scripts if desired. */
 102         add_script_search_dir(PKGDATADIR);
 103         add_script_search_dir(PKGLIBDIR);
 104 #endif
 105         return ERROR_OK;
 106 }
 107
 108 int parse_cmdline_args(struct command_context_s *cmd_ctx, int argc, char *argv[])
 109 {
 110         int c;
 111         char command_buffer[128];
 112
 113         while (1)
 114         {
 115                 /* getopt_long stores the option index here. */
 116                 int option_index = 0;
 117
 118                 c = getopt_long(argc, argv, "hvd::l:f:s:c:p", long_options, &option_index);
 119
 120                 /* Detect the end of the options. */
 121                 if (c == -1)
 122                         break;
 123
 124                 switch (c)
 125                 {
 126                         case 0:
 127                                 break;
 128                         case 'h':       /* --help | -h */
 129                                 help_flag = 1;
 130                                 break;
 131                         case 'v':       /* --version | -v */
 132                                 version_flag = 1;
 133                                 break;
 134                         case 'f':       /* --file | -f */
 135                         {
 136                                 snprintf(command_buffer, 128, "script {%s}", optarg);
 137                                 add_config_command(command_buffer);
 138                                 break;
 139                         }
 140                         case 's':       /* --search | -s */
 141                                 add_script_search_dir(optarg);
 142                                 break;
 143                         case 'd':       /* --debug | -d */
 144                                 if (optarg)
 145                                         snprintf(command_buffer, 128, "debug_level %s", optarg);
 146                                 else
 147                                         snprintf(command_buffer, 128, "debug_level 3");
 148                                 command_run_line(cmd_ctx, command_buffer);
 149                                 break;
 150                         case 'l':       /* --log_output | -l */
 151                                 if (optarg)
 152                                 {
 153                                         snprintf(command_buffer, 128, "log_output %s", optarg);
 154                                         command_run_line(cmd_ctx, command_buffer);
 155                                 }
 156                                 break;
 157                         case 'c':       /* --command | -c */
 158                                 if (optarg)
 159                                 {
 160                                         add_config_command(optarg);
 161                                 }
 162                                 break;
 163                         case 'p':       /* --pipe | -p */
 164 #if BUILD_ECOSBOARD == 1
 165                                 /* pipes unsupported on hosted platforms */
 166                                 LOG_WARNING("pipes not supported on this platform");
 167 #else
 168                                 server_use_pipes = 1;
 169 #endif
 170                                 break;
 171                 }
 172         }
 173
 174         if (help_flag)
 175         {
 176                 LOG_OUTPUT("Open On-Chip Debugger\n(c) 2005-2008 by Dominic Rath\n\n");
 177                 LOG_OUTPUT("--help       | -h\tdisplay this help\n");
 178                 LOG_OUTPUT("--version    | -v\tdisplay OpenOCD version\n");
 179                 LOG_OUTPUT("--file       | -f\tuse configuration file <name>\n");
 180                 LOG_OUTPUT("--search     | -s\tdir to search for config files and scripts\n");
 181                 LOG_OUTPUT("--debug      | -d\tset debug level <0-3>\n");
 182                 LOG_OUTPUT("--log_output | -l\tredirect log output to file <name>\n");
 183                 LOG_OUTPUT("--command    | -c\trun <command>\n");
 184                 LOG_OUTPUT("--pipe       | -p\tuse pipes for gdb communication\n");
 185                 exit(-1);
 186         }
 187
 188         if (version_flag)
 189         {
 190                 /* Nothing to do, version gets printed automatically. */
 191                 // It is not an error to request the VERSION number.
 192                 exit(0);
 193         }
 194
 195         return ERROR_OK;
 196 }