X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fgdbserver%2Fgdbreplay.c;h=1f823e0addc59eee8c621d158d189ea8ddeb9e6c;hb=a3d08894e544f6b9e65581469cbbafbe39a353fe;hp=f089b3f79f8050027fc4db10aa8c4f81fe8ab1f7;hpb=68070c10c721d67b22599511a73da6eb57bb4097;p=deliverable%2Fbinutils-gdb.git
diff --git a/gdb/gdbserver/gdbreplay.c b/gdb/gdbserver/gdbreplay.c
index f089b3f79f..1f823e0add 100644
--- a/gdb/gdbserver/gdbreplay.c
+++ b/gdb/gdbserver/gdbreplay.c
@@ -1,13 +1,12 @@
/* Replay a remote debug session logfile for GDB.
- Copyright (C) 1996, 1998, 1999, 2000, 2002, 2003, 2005, 2006, 2007
- Free Software Foundation, Inc.
+ Copyright (C) 1996-2013 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,
@@ -16,11 +15,12 @@
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., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see . */
#include "config.h"
+#include "build-gnulib-gdbserver/config.h"
+#include "version.h"
+
#include
#if HAVE_SYS_FILE_H
#include
@@ -38,12 +38,8 @@
#ifdef HAVE_STDLIB_H
#include
#endif
-#ifdef HAVE_STRING_H
#include
-#endif
-#ifdef HAVE_UNISTD_H
#include
-#endif
#ifdef HAVE_NETINET_IN_H
#include
#endif
@@ -56,12 +52,14 @@
#if HAVE_NETINET_TCP_H
#include
#endif
+#if HAVE_ALLOCA_H
+#include
+#endif
#if HAVE_MALLOC_H
#include
#endif
-
#if USE_WIN32API
-#include
+#include
#endif
#ifndef HAVE_SOCKLEN_T
@@ -129,7 +127,7 @@ strerror (DWORD error)
Then return to command level. */
static void
-perror_with_name (char *string)
+perror_with_name (const char *string)
{
#ifndef STDC_HEADERS
extern int errno;
@@ -160,6 +158,14 @@ sync_error (FILE *fp, char *desc, int expect, int got)
exit (1);
}
+static void
+remote_error (const char *desc)
+{
+ fprintf (stderr, "\n%s\n", desc);
+ fflush (stderr);
+ exit (1);
+}
+
static void
remote_close (void)
{
@@ -208,7 +214,7 @@ remote_open (char *name)
#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. */
@@ -231,10 +237,11 @@ remote_open (char *name)
/* 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));
@@ -242,8 +249,9 @@ remote_open (char *name)
#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
@@ -337,6 +345,17 @@ logchar (FILE *fp)
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) */
@@ -344,7 +363,7 @@ static void
expect (FILE *fp)
{
int fromlog;
- unsigned char fromgdb;
+ int fromgdb;
if ((fromlog = logchar (fp)) != ' ')
{
@@ -355,15 +374,16 @@ expect (FILE *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);
}
}
@@ -385,20 +405,50 @@ play (FILE *fp)
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) 2013 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 \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 \n");
- fflush (stderr);
+ gdbreplay_usage (stderr);
exit (1);
}
fp = fopen (argv[1], "r");