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Diffstat (limited to 'gdb/gdbserver/gdbreplay.c')
-rw-r--r--gdb/gdbserver/gdbreplay.c319
1 files changed, 0 insertions, 319 deletions
diff --git a/gdb/gdbserver/gdbreplay.c b/gdb/gdbserver/gdbreplay.c
deleted file mode 100644
index 4d5795a..0000000
--- a/gdb/gdbserver/gdbreplay.c
+++ /dev/null
@@ -1,319 +0,0 @@
-/* Replay a remote debug session logfile for GDB.
- Copyright (C) 1996 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
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-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. */
-
-#include <stdio.h>
-#include <sgtty.h>
-#include <sys/file.h>
-#include <netinet/in.h>
-#include <sys/socket.h>
-#include <netdb.h>
-#include <netinet/tcp.h>
-#include <signal.h>
-#include <ctype.h>
-
-/* Sort of a hack... */
-#define EOL (EOF - 1)
-
-static int remote_desc;
-
-/* 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. */
-
-void
-perror_with_name (string)
- char *string;
-{
- extern int sys_nerr;
- extern char *sys_errlist[];
- extern int errno;
- char *err;
- char *combined;
-
- err = (errno < sys_nerr) ? sys_errlist[errno] : "unknown error";
- combined = (char *) alloca (strlen (err) + strlen (string) + 3);
- strcpy (combined, string);
- strcat (combined, ": ");
- strcat (combined, err);
- fprintf (stderr, "\n%s.\n", combined);
- fflush (stderr);
- exit (1);
-}
-
-static void
-sync_error (fp, desc, expect, got)
- FILE *fp;
- 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",
- ftell (fp), expect, got);
- fflush (stderr);
- exit (1);
-}
-
-void
-remote_close()
-{
- close (remote_desc);
-}
-
-/* Open a connection to a remote debugger.
- NAME is the filename used for communication. */
-
-void
-remote_open (name)
- char *name;
-{
- struct sgttyb sg;
- extern char *strchr ();
-
- if (!strchr (name, ':'))
- {
- fprintf (stderr, "%s: Must specify tcp connection as host:addr\n", name);
- fflush (stderr);
- exit (1);
- }
- else
- {
- char *port_str;
- int port;
- struct sockaddr_in sockaddr;
- int tmp;
- struct protoent *protoent;
- int tmp_desc;
-
- port_str = strchr (name, ':');
-
- port = atoi (port_str + 1);
-
- tmp_desc = socket (PF_INET, SOCK_STREAM, 0);
- if (tmp_desc < 0)
- perror_with_name ("Can't open socket");
-
- /* Allow rapid reuse of this port. */
- tmp = 1;
- setsockopt (tmp_desc, SOL_SOCKET, SO_REUSEADDR, (char *)&tmp,
- sizeof(tmp));
-
- sockaddr.sin_family = PF_INET;
- sockaddr.sin_port = htons(port);
- sockaddr.sin_addr.s_addr = INADDR_ANY;
-
- if (bind (tmp_desc, (struct sockaddr *)&sockaddr, sizeof (sockaddr))
- || listen (tmp_desc, 1))
- perror_with_name ("Can't bind address");
-
- tmp = sizeof (sockaddr);
- remote_desc = accept (tmp_desc, (struct sockaddr *)&sockaddr, &tmp);
- if (remote_desc == -1)
- perror_with_name ("Accept failed");
-
- protoent = getprotobyname ("tcp");
- if (!protoent)
- perror_with_name ("getprotobyname");
-
- /* Enable TCP keep alive process. */
- tmp = 1;
- setsockopt (tmp_desc, SOL_SOCKET, SO_KEEPALIVE, (char *)&tmp, sizeof(tmp));
-
- /* Tell TCP not to delay small packets. This greatly speeds up
- interactive response. */
- tmp = 1;
- setsockopt (remote_desc, protoent->p_proto, TCP_NODELAY,
- (char *)&tmp, sizeof(tmp));
-
- 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. */
- }
-
- fcntl (remote_desc, F_SETFL, FASYNC);
-
- fprintf (stderr, "Replay logfile using %s\n", name);
- fflush (stderr);
-}
-
-static int tohex (ch)
- int ch;
-{
- if (ch >= '0' && ch <= '9')
- {
- return (ch - '0');
- }
- if (ch >= 'A' && ch <= 'F')
- {
- return (ch - 'A' + 10);
- }
- if (ch >= 'a' && ch <= 'f')
- {
- return (ch - 'a' + 10);
- }
- fprintf (stderr, "\nInvalid hex digit '%c'\n", ch);
- fflush (stderr);
- exit (1);
-}
-
-static int
-logchar (fp)
- FILE *fp;
-{
- int ch;
- int ch2;
-
- ch = fgetc (fp);
- fputc (ch, stdout);
- fflush (stdout);
- switch (ch)
- {
- case '\n':
- ch = EOL;
- break;
- case '\\':
- ch = fgetc (fp);
- fputc (ch, stdout);
- fflush (stdout);
- switch (ch)
- {
- case '\\': break;
- case 'b': ch = '\b'; break;
- case 'f': ch = '\f'; break;
- case 'n': ch = '\n'; break;
- case 'r': ch = '\r'; break;
- case 't': ch = '\t'; break;
- case 'v': ch = '\v'; break;
- case 'x':
- ch2 = fgetc (fp);
- fputc (ch2, stdout);
- fflush (stdout);
- ch = tohex (ch2) << 4;
- ch2 = fgetc (fp);
- fputc (ch2, stdout);
- fflush (stdout);
- ch |= tohex (ch2);
- break;
- default:
- /* Treat any other char as just itself */
- break;
- }
- default:
- break;
- }
- return (ch);
-}
-
-/* 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) */
-
-void
-expect (fp)
- FILE *fp;
-{
- int fromlog;
- unsigned char fromgdb;
-
- if ((fromlog = logchar (fp)) != ' ')
- {
- sync_error (fp, "Sync error during gdb read of leading blank", ' ',
- fromlog);
- }
- do
- {
- fromlog = logchar (fp);
- if (fromlog == EOL)
- {
- break;
- }
- read (remote_desc, &fromgdb, 1);
- } while (fromlog == fromgdb);
- if (fromlog != EOL)
- {
- sync_error (fp, "Sync error during read of gdb packet", fromlog,
- fromgdb);
- }
-}
-
-/* Play data back to gdb from fp (after skipping leading blank) up until a
- \n is read from fp (which is discarded and not sent to gdb). */
-
-void
-play (fp)
- FILE *fp;
-{
- int fromlog;
- char ch;
-
- if ((fromlog = logchar (fp)) != ' ')
- {
- sync_error (fp, "Sync error skipping blank during write to gdb", ' ',
- fromlog);
- }
- while ((fromlog = logchar (fp)) != EOL)
- {
- ch = fromlog;
- write (remote_desc, &ch, 1);
- }
-}
-
-int
-main (argc, argv)
- int argc;
- char *argv[];
-{
- FILE *fp;
- int ch;
-
- if (argc < 3)
- {
- fprintf (stderr, "Usage: gdbreplay <logfile> <host:port>\n");
- fflush (stderr);
- exit (1);
- }
- fp = fopen (argv[1], "r");
- if (fp == NULL)
- {
- perror_with_name (argv[1]);
- }
- remote_open (argv[2]);
- while ((ch = logchar (fp)) != EOF)
- {
- switch (ch)
- {
- case 'w':
- /* data sent from gdb to gdbreplay, accept and match it */
- expect (fp);
- break;
- case 'r':
- /* data sent from gdbreplay to gdb, play it */
- play (fp);
- break;
- case 'c':
- /* Command executed by gdb */
- while ((ch = logchar (fp)) != EOL);
- break;
- }
- }
- remote_close ();
- exit (0);
-}
-
generated by cgit v1.1 at 2024-11-23 15:48:52 +0000