/*
* Copyright (c) 2016 Chris Johns <chrisj@rtems.org>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <errno.h>
#include <inttypes.h>
#include <stdlib.h>
#include <unistd.h>
#define __need_getopt_newlib
#include <getopt.h>
#include <rtems.h>
#include <rtems/printer.h>
#include <rtems/shell.h>
#include <rtems/rtems-debugger.h>
/*
* Debugger command for the RTEMS shell.
*/
static int rtems_shell_main_debugger(int argc, char *argv[])
{
if (argc == 1) {
printf("RTEMS debugger is %srunning\n", rtems_debugger_running() ? "" : "not ");
return 0;
}
if (strcasecmp(argv[1], "start") == 0) {
rtems_printer printer;
const char* remote = "tcp";
const char* device = "1122";
int timeout = RTEMS_DEBUGGER_TIMEOUT;
rtems_task_priority priority = 1;
bool verbose = false;
struct getopt_data data;
char* end;
int r;
if (rtems_debugger_running()) {
printf("error: debugger already running.\n");
return 1;
}
memset(&data, 0, sizeof(data));
rtems_print_printer_fprintf(&printer, stdout);
argv += 1;
argc -= 1;
while (true) {
int c;
c = getopt_r(argc, argv, "vR:d:t:P:l:", &data);
if (c == -1)
break;
switch (c) {
case 'v':
verbose = true;
break;
case 'R':
remote = data.optarg;
break;
case 'd':
device = data.optarg;
break;
case 't':
timeout = strtoul(data.optarg, &end, 10);
if (timeout == 0 || *end != '\0') {
printf("error: invalid timeout: %s\n", data.optarg);
return 1;
}
break;
case 'P':
priority = strtoul(data.optarg, &end, 10);
if (priority == 0 || *end != '\0') {
printf("error: invalid priority: %s\n", data.optarg);
return 1;
}
break;
case 'l':
if (strcasecmp(data.optarg, "stdout") == 0)
rtems_print_printer_fprintf(&printer, stdout);
else if (strcasecmp(data.optarg, "stderr") == 0)
rtems_print_printer_fprintf(&printer, stderr);
else if (strcasecmp(data.optarg, "kernel") == 0)
rtems_print_printer_printk(&printer);
else {
printf("error: unknown printer (stdout, stderr, kernel): %s\n", data.optarg);
return 1;
}
break;
default:
case '?':
if (data.optarg != NULL)
printf("error: unknown option: %s\n", data.optarg);
else
printf("error: invalid start command\n");
return 1;
}
}
printf("RTEMS Debugger start: remote=%s device=%s priority=%" PRIu32 "\n",
remote, device, priority);
r = rtems_debugger_start(remote, device, timeout, priority, &printer);
if (r < 0) {
printf("debugger start failed\n");
return 1;
}
rtems_debugger_set_verbose(verbose);
}
else if (strcasecmp(argv[1], "stop") == 0) {
int r;
if (!rtems_debugger_running()) {
printf("error: debugger not running.\n");
return 1;
}
r = rtems_debugger_stop();
if (r < 0) {
printf("debugger stop failed\n");
return 1;
}
}
else if (strcasecmp(argv[1], "remote-debug") == 0) {
int r;
if (!rtems_debugger_running()) {
printf("error: debugger not running.\n");
return 1;
}
if (argc == 3 && strcasecmp(argv[2], "on") == 0) {
r = rtems_debugger_remote_debug(true);
if (r < 0) {
printf("debugger remote-debug on failed\n");
return 1;
}
}
else if (argc == 3 && strcasecmp(argv[2], "off") == 0) {
r = rtems_debugger_remote_debug(false);
if (r < 0) {
printf("debugger remote-debug off failed\n");
return 1;
}
}
else {
printf("debugger remote-debug: not on or off\n");
return 1;
}
}
else if (strcasecmp(argv[1], "verbose") == 0) {
if (!rtems_debugger_running()) {
printf("error: debugger not running.\n");
return 1;
}
if (argc == 3 && strcasecmp(argv[2], "on") == 0) {
rtems_debugger_set_verbose(true);
}
else if (argc == 3 && strcasecmp(argv[2], "off") == 0) {
rtems_debugger_set_verbose(false);
}
else {
printf("debugger verbose: not on or off\n");
return 1;
}
}
else if (strcasecmp(argv[1], "help") == 0) {
printf("debugger [start/stop/help] ...\n" \
" start -v -R remote -d device -t secs -P priority -l [stdout,stderr,kernel]\n" \
" stop\n" \
" remote-debug <on/off>\n" \
" verbose <on/off>\n" \
" help\n");
}
else {
printf("error: unknown command: %s\n", argv[1]);
return 1;
}
return 0;
}
rtems_shell_cmd_t rtems_shell_DEBUGGER_Command = {
"debugger", /* name */
"debugger [start/stop] [options ...]", /* usage */
"misc", /* topic */
rtems_shell_main_debugger, /* command */
NULL, /* alias */
NULL, /* next */
0755,
0,
0
};
