/* Replay a remote debug session logfile for GDB.
- Copyright 1996, 1998, 1999, 2000, 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 1996-2017 Free Software Foundation, Inc.
Written by Fred Fish (fnf@cygnus.com) from pieces of gdbserver.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "config.h"
+#include "build-gnulib-gdbserver/config.h"
+#include "version.h"
+
#include <stdio.h>
+#if HAVE_SYS_FILE_H
#include <sys/file.h>
-#include <netinet/in.h>
-#include <sys/socket.h>
-#include <netdb.h>
-#include <netinet/tcp.h>
+#endif
+#if HAVE_SIGNAL_H
#include <signal.h>
+#endif
#include <ctype.h>
+#if HAVE_FCNTL_H
#include <fcntl.h>
+#endif
#include <errno.h>
-
-#ifdef HAVE_STDLIB_H
#include <stdlib.h>
-#endif
-#ifdef HAVE_STRING_H
#include <string.h>
-#endif
-#ifdef HAVE_UNISTD_H
#include <unistd.h>
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#if HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#if HAVE_NETINET_TCP_H
+#include <netinet/tcp.h>
+#endif
+
+#include <alloca.h>
+
+#if USE_WIN32API
+#include <winsock2.h>
+#endif
+
+#ifndef HAVE_SOCKLEN_T
+typedef int socklen_t;
#endif
/* Sort of a hack... */
static int remote_desc;
+#ifdef __MINGW32CE__
+
+#ifndef COUNTOF
+#define COUNTOF(STR) (sizeof (STR) / sizeof ((STR)[0]))
+#endif
+
+#define errno (GetLastError ())
+
+char *
+strerror (DWORD error)
+{
+ static char buf[1024];
+ WCHAR *msgbuf;
+ DWORD lasterr = GetLastError ();
+ DWORD chars = FormatMessageW (FORMAT_MESSAGE_FROM_SYSTEM
+ | FORMAT_MESSAGE_ALLOCATE_BUFFER,
+ NULL,
+ error,
+ 0, /* Default language */
+ (LPVOID)&msgbuf,
+ 0,
+ NULL);
+ if (chars != 0)
+ {
+ /* If there is an \r\n appended, zap it. */
+ if (chars >= 2
+ && msgbuf[chars - 2] == '\r'
+ && msgbuf[chars - 1] == '\n')
+ {
+ chars -= 2;
+ msgbuf[chars] = 0;
+ }
+
+ if (chars > ((COUNTOF (buf)) - 1))
+ {
+ chars = COUNTOF (buf) - 1;
+ msgbuf [chars] = 0;
+ }
+
+ wcstombs (buf, msgbuf, chars + 1);
+ LocalFree (msgbuf);
+ }
+ else
+ sprintf (buf, "unknown win32 error (%ld)", error);
+
+ SetLastError (lasterr);
+ return buf;
+}
+
+#endif /* __MINGW32CE__ */
+
/* Print the system error message for errno, and also mention STRING
as the file name for which the error was encountered.
Then return to command level. */
static void
-perror_with_name (char *string)
+perror_with_name (const char *string)
{
#ifndef STDC_HEADERS
extern int errno;
}
static void
-sync_error (FILE *fp, char *desc, int expect, int got)
+sync_error (FILE *fp, const char *desc, int expect, int got)
{
fprintf (stderr, "\n%s\n", desc);
fprintf (stderr, "At logfile offset %ld, expected '0x%x' got '0x%x'\n",
exit (1);
}
+static void
+remote_error (const char *desc)
+{
+ fprintf (stderr, "\n%s\n", desc);
+ fflush (stderr);
+ exit (1);
+}
+
static void
remote_close (void)
{
+#ifdef USE_WIN32API
+ closesocket (remote_desc);
+#else
close (remote_desc);
+#endif
}
/* Open a connection to a remote debugger.
}
else
{
+#ifdef USE_WIN32API
+ static int winsock_initialized;
+#endif
char *port_str;
int port;
struct sockaddr_in sockaddr;
- int tmp;
+ socklen_t tmp;
int tmp_desc;
port_str = strchr (name, ':');
port = atoi (port_str + 1);
+#ifdef USE_WIN32API
+ if (!winsock_initialized)
+ {
+ WSADATA wsad;
+
+ WSAStartup (MAKEWORD (1, 0), &wsad);
+ winsock_initialized = 1;
+ }
+#endif
+
tmp_desc = socket (PF_INET, SOCK_STREAM, 0);
- if (tmp_desc < 0)
+ if (tmp_desc == -1)
perror_with_name ("Can't open socket");
/* Allow rapid reuse of this port. */
/* Enable TCP keep alive process. */
tmp = 1;
- setsockopt (tmp_desc, SOL_SOCKET, SO_KEEPALIVE, (char *) &tmp, sizeof (tmp));
+ setsockopt (tmp_desc, SOL_SOCKET, SO_KEEPALIVE,
+ (char *) &tmp, sizeof (tmp));
/* Tell TCP not to delay small packets. This greatly speeds up
- interactive response. */
+ interactive response. */
tmp = 1;
setsockopt (remote_desc, IPPROTO_TCP, TCP_NODELAY,
(char *) &tmp, sizeof (tmp));
+#ifndef USE_WIN32API
close (tmp_desc); /* No longer need this */
- signal (SIGPIPE, SIG_IGN); /* If we don't do this, then gdbreplay simply
- exits when the remote side dies. */
+ signal (SIGPIPE, SIG_IGN); /* If we don't do this, then
+ gdbreplay simply exits when
+ the remote side dies. */
+#else
+ closesocket (tmp_desc); /* No longer need this */
+#endif
}
+#if defined(F_SETFL) && defined (FASYNC)
fcntl (remote_desc, F_SETFL, FASYNC);
+#endif
fprintf (stderr, "Replay logfile using %s\n", name);
fflush (stderr);
}
static int
-tohex (int ch)
+fromhex (int ch)
{
if (ch >= '0' && ch <= '9')
{
ch2 = fgetc (fp);
fputc (ch2, stdout);
fflush (stdout);
- ch = tohex (ch2) << 4;
+ ch = fromhex (ch2) << 4;
ch2 = fgetc (fp);
fputc (ch2, stdout);
fflush (stdout);
- ch |= tohex (ch2);
+ ch |= fromhex (ch2);
break;
default:
/* Treat any other char as just itself */
return (ch);
}
+static int
+gdbchar (int desc)
+{
+ unsigned char fromgdb;
+
+ if (read (desc, &fromgdb, 1) != 1)
+ return -1;
+ else
+ return fromgdb;
+}
+
/* Accept input from gdb and match with chars from fp (after skipping one
blank) up until a \n is read from fp (which is not matched) */
expect (FILE *fp)
{
int fromlog;
- unsigned char fromgdb;
+ int fromgdb;
if ((fromlog = logchar (fp)) != ' ')
{
{
fromlog = logchar (fp);
if (fromlog == EOL)
- {
- break;
- }
- read (remote_desc, &fromgdb, 1);
+ break;
+ fromgdb = gdbchar (remote_desc);
+ if (fromgdb < 0)
+ remote_error ("Error during read from gdb");
}
while (fromlog == fromgdb);
+
if (fromlog != EOL)
{
- sync_error (fp, "Sync error during read of gdb packet", fromlog,
+ sync_error (fp, "Sync error during read of gdb packet from log", fromlog,
fromgdb);
}
}
while ((fromlog = logchar (fp)) != EOL)
{
ch = fromlog;
- write (remote_desc, &ch, 1);
+ if (write (remote_desc, &ch, 1) != 1)
+ remote_error ("Error during write to gdb");
}
}
+static void
+gdbreplay_version (void)
+{
+ printf ("GNU gdbreplay %s%s\n"
+ "Copyright (C) 2017 Free Software Foundation, Inc.\n"
+ "gdbreplay is free software, covered by "
+ "the GNU General Public License.\n"
+ "This gdbreplay was configured as \"%s\"\n",
+ PKGVERSION, version, host_name);
+}
+
+static void
+gdbreplay_usage (FILE *stream)
+{
+ fprintf (stream, "Usage:\tgdbreplay <logfile> <host:port>\n");
+ if (REPORT_BUGS_TO[0] && stream == stdout)
+ fprintf (stream, "Report bugs to \"%s\".\n", REPORT_BUGS_TO);
+}
+
int
main (int argc, char *argv[])
{
FILE *fp;
int ch;
+ if (argc >= 2 && strcmp (argv[1], "--version") == 0)
+ {
+ gdbreplay_version ();
+ exit (0);
+ }
+ if (argc >= 2 && strcmp (argv[1], "--help") == 0)
+ {
+ gdbreplay_usage (stdout);
+ exit (0);
+ }
+
if (argc < 3)
{
- fprintf (stderr, "Usage: gdbreplay <logfile> <host:port>\n");
- fflush (stderr);
+ gdbreplay_usage (stderr);
exit (1);
}
fp = fopen (argv[1], "r");
projects / deliverable / binutils-gdb.git / blobdiff