source: rtems/cpukit/libdebugger/rtems-debugger-remote.c @ a0d4e99

Last change on this file since a0d4e99 was a0d4e99, checked in by Chris Johns <chrisj@…>, on Nov 25, 2016 at 4:13:36 AM

cpukit: Add libdebugger, a remote debugger agent for GDB.

  • Property mode set to 100644
File size: 2.3 KB
Line 
1/*
2 * Copyright (c) 2016 Chris Johns <chrisj@rtems.org>.  All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 */
25
26#include <errno.h>
27#include <stdlib.h>
28#include <unistd.h>
29
30#include <rtems/rtems-debugger.h>
31#include <rtems/debugger/rtems-debugger-server.h>
32#include <rtems/debugger/rtems-debugger-remote.h>
33
34static rtems_debugger_remote* remotes[4];
35
36int
37rtems_debugger_remote_register(rtems_debugger_remote* remote)
38{
39  size_t r;
40  if (remote->begin == NULL || remote->end == NULL ||
41      remote->connect == NULL || remote->disconnect == NULL ||
42      remote->isconnected == NULL ||
43      remote->read == NULL || remote->write == NULL) {
44    errno = EINVAL;
45    return -1;
46  }
47  for (r = 0; r < RTEMS_DEBUGGER_NUMOF(remotes); ++r) {
48    if (remotes[r] == NULL) {
49      remotes[r] = remote;
50      return 0;
51    }
52  }
53  errno = ENOSPC;
54  return -1;
55}
56
57rtems_debugger_remote*
58rtems_debugger_remote_find(const char* name)
59{
60  size_t r;
61  for (r = 0; r < RTEMS_DEBUGGER_NUMOF(remotes); ++r) {
62    if (remotes[r] != NULL) {
63      if (strcasecmp(name, remotes[r]->name) == 0)
64        return remotes[r];
65    }
66  }
67  return NULL;
68}
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