1 | /* |
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2 | * Copyright (c) 2016 Chris Johns <chrisj@rtems.org>. All rights reserved. |
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3 | * |
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4 | * Redistribution and use in source and binary forms, with or without |
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5 | * modification, are permitted provided that the following conditions |
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6 | * are met: |
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7 | * 1. Redistributions of source code must retain the above copyright |
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8 | * notice, this list of conditions and the following disclaimer. |
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9 | * 2. Redistributions in binary form must reproduce the above copyright |
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10 | * notice, this list of conditions and the following disclaimer in the |
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11 | * documentation and/or other materials provided with the distribution. |
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12 | * |
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13 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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14 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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16 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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17 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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18 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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19 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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20 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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21 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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22 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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23 | * SUCH DAMAGE. |
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24 | */ |
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25 | |
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26 | #ifdef HAVE_CONFIG_H |
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27 | #include "config.h" |
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28 | #endif |
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29 | |
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30 | #include <errno.h> |
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31 | #include <inttypes.h> |
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32 | #include <stdlib.h> |
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33 | #include <unistd.h> |
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34 | |
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35 | #define __need_getopt_newlib |
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36 | #include <getopt.h> |
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37 | |
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38 | #include <rtems.h> |
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39 | #include <rtems/printer.h> |
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40 | #include <rtems/shell.h> |
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41 | |
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42 | #include <rtems/rtems-debugger.h> |
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43 | |
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44 | /* |
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45 | * Debugger command for the RTEMS shell. |
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46 | */ |
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47 | |
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48 | static int rtems_shell_main_debugger(int argc, char *argv[]) |
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49 | { |
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50 | if (argc == 1) { |
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51 | printf("RTEMS debugger is %srunning\n", rtems_debugger_running() ? "" : "not "); |
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52 | return 0; |
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53 | } |
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54 | |
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55 | if (strcasecmp(argv[1], "start") == 0) { |
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56 | rtems_printer printer; |
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57 | const char* remote = "tcp"; |
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58 | const char* device = "1122"; |
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59 | int timeout = RTEMS_DEBUGGER_TIMEOUT; |
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60 | rtems_task_priority priority = 1; |
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61 | bool verbose = false; |
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62 | struct getopt_data data; |
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63 | char* end; |
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64 | int r; |
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65 | |
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66 | if (rtems_debugger_running()) { |
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67 | printf("error: debugger already running.\n"); |
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68 | return 1; |
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69 | } |
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70 | |
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71 | memset(&data, 0, sizeof(data)); |
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72 | |
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73 | rtems_print_printer_fprintf(&printer, stdout); |
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74 | |
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75 | argv += 1; |
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76 | argc -= 1; |
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77 | |
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78 | while (true) { |
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79 | int c; |
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80 | |
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81 | c = getopt_r(argc, argv, "vR:d:t:P:l:", &data); |
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82 | if (c == -1) |
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83 | break; |
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84 | |
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85 | switch (c) { |
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86 | case 'v': |
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87 | verbose = true; |
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88 | break; |
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89 | case 'R': |
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90 | remote = data.optarg; |
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91 | break; |
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92 | case 'd': |
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93 | device = data.optarg; |
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94 | break; |
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95 | case 't': |
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96 | timeout = strtoul(data.optarg, &end, 10); |
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97 | if (timeout == 0 || *end != '\0') { |
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98 | printf("error: invalid timeout: %s\n", data.optarg); |
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99 | return 1; |
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100 | } |
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101 | break; |
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102 | case 'P': |
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103 | priority = strtoul(data.optarg, &end, 10); |
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104 | if (priority == 0 || *end != '\0') { |
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105 | printf("error: invalid priority: %s\n", data.optarg); |
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106 | return 1; |
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107 | } |
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108 | break; |
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109 | case 'l': |
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110 | if (strcasecmp(data.optarg, "stdout") == 0) |
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111 | rtems_print_printer_fprintf(&printer, stdout); |
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112 | else if (strcasecmp(data.optarg, "stderr") == 0) |
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113 | rtems_print_printer_fprintf(&printer, stderr); |
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114 | else if (strcasecmp(data.optarg, "kernel") == 0) |
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115 | rtems_print_printer_printk(&printer); |
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116 | else { |
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117 | printf("error: unknown printer (stdout, stderr, kernel): %s\n", data.optarg); |
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118 | return 1; |
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119 | } |
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120 | break; |
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121 | default: |
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122 | case '?': |
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123 | if (data.optarg != NULL) |
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124 | printf("error: unknown option: %s\n", data.optarg); |
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125 | else |
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126 | printf("error: invalid start command\n"); |
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127 | return 1; |
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128 | } |
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129 | } |
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130 | |
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131 | printf("RTEMS Debugger start: remote=%s device=%s priority=%" PRIu32 "\n", |
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132 | remote, device, priority); |
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133 | |
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134 | r = rtems_debugger_start(remote, device, timeout, priority, &printer); |
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135 | if (r < 0) { |
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136 | printf("debugger start failed\n"); |
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137 | return 1; |
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138 | } |
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139 | |
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140 | rtems_debugger_set_verbose(verbose); |
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141 | } |
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142 | else if (strcasecmp(argv[1], "stop") == 0) { |
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143 | int r; |
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144 | |
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145 | if (!rtems_debugger_running()) { |
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146 | printf("error: debugger not running.\n"); |
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147 | return 1; |
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148 | } |
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149 | |
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150 | r = rtems_debugger_stop(); |
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151 | if (r < 0) { |
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152 | printf("debugger stop failed\n"); |
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153 | return 1; |
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154 | } |
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155 | } |
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156 | else if (strcasecmp(argv[1], "remote-debug") == 0) { |
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157 | int r; |
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158 | |
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159 | if (!rtems_debugger_running()) { |
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160 | printf("error: debugger not running.\n"); |
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161 | return 1; |
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162 | } |
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163 | |
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164 | if (argc == 3 && strcasecmp(argv[2], "on") == 0) { |
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165 | r = rtems_debugger_remote_debug(true); |
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166 | if (r < 0) { |
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167 | printf("debugger remote-debug on failed\n"); |
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168 | return 1; |
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169 | } |
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170 | } |
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171 | else if (argc == 3 && strcasecmp(argv[2], "off") == 0) { |
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172 | r = rtems_debugger_remote_debug(false); |
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173 | if (r < 0) { |
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174 | printf("debugger remote-debug off failed\n"); |
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175 | return 1; |
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176 | } |
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177 | } |
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178 | else { |
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179 | printf("debugger remote-debug: not on or off\n"); |
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180 | return 1; |
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181 | } |
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182 | } |
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183 | else if (strcasecmp(argv[1], "help") == 0) { |
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184 | printf("debugger [start/stop/help] ...\n" \ |
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185 | " start -v -R remote -d device -t secs -P priority -l [stdout,stderr,kernel]\n" \ |
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186 | " stop\n" \ |
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187 | " remote-debug <on/off>\n" \ |
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188 | " help\n"); |
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189 | } |
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190 | else { |
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191 | printf("error: unknown command: %s\n", argv[1]); |
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192 | return 1; |
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193 | } |
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194 | |
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195 | return 0; |
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196 | } |
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197 | |
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198 | rtems_shell_cmd_t rtems_shell_DEBUGGER_Command = { |
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199 | "debugger", /* name */ |
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200 | "debugger [start/stop] [options ...]", /* usage */ |
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201 | "misc", /* topic */ |
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202 | rtems_shell_main_debugger, /* command */ |
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203 | NULL, /* alias */ |
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204 | NULL, /* next */ |
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205 | 0755, |
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206 | 0, |
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207 | 0 |
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208 | }; |
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