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authorStan Shebs <shebs@codesourcery.com>1999-04-16 01:35:26 +0000
committerStan Shebs <shebs@codesourcery.com>1999-04-16 01:35:26 +0000
commitc906108c21474dfb4ed285bcc0ac6fe02cd400cc (patch)
treea0015aa5cedc19ccbab307251353a41722a3ae13 /gdb/stop-gdb.c
parentcd946cff9ede3f30935803403f06f6ed30cad136 (diff)
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Initial creation of sourceware repositorygdb-4_18-branchpoint
Diffstat (limited to 'gdb/stop-gdb.c')
-rw-r--r--gdb/stop-gdb.c110
1 files changed, 110 insertions, 0 deletions
diff --git a/gdb/stop-gdb.c b/gdb/stop-gdb.c
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+/* A client to make GDB return to command level in Mach 3.
+ Copyright (C) 1992, 1993 Free Software Foundation, Inc.
+
+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. */
+
+/* Authors: Jukka Virtanen <jtv@hut.fi> and Peter Stout <pds@cs.cmu.edu>.
+
+ A simple client to make GDB (versions 4.4 and later) on Mach 3 return
+ to the command level when it is waiting for the inferior to stop.
+
+ Actions: Lookup the send right to the GDB message port from the
+ NetMsgServer.
+
+ Send an asynchronous message with msgh_id
+ GDB_MESSAGE_ID_STOP to that port.
+ */
+
+#include <stdio.h>
+
+#include "defs.h"
+
+#include <mach.h>
+#include <mach/message.h>
+#include <mach_error.h>
+#include <servers/netname.h>
+#include <servers/netname_defs.h>
+
+void
+main (argc, argv)
+ int argc;
+ char **argv;
+{
+ kern_return_t kr;
+ mach_msg_header_t msg;
+ mach_port_t gdb_port;
+ char *host;
+ char *name;
+
+ if (argc == 1)
+ argv[argc++] = GDB_DEF_NAME;
+
+ if (argc != 2)
+ {
+ fprintf (stderr, "Usage : %s <GDB name>\n", argv[0]);
+ exit (1);
+ }
+
+ /* Allow the user to specify a remote host. */
+ host = strchr (argv[1], '@');
+ if (host)
+ *(host++) = '\0';
+ else
+ host = (char *) "";
+
+ name = malloc (strlen (argv[1]) + sizeof(GDB_NAME_PREFIX));
+ if (name == NULL)
+ {
+ fprintf (stderr, "Unable to allocate memory for name.");
+ exit (1);
+ }
+
+ strcpy (name, GDB_NAME_PREFIX);
+ strcat (name, argv[1]);
+
+ /* Look up the GDB service port. For convenience, add the
+ GDB_NAME_PREFIX the argument before looking up the name.
+ For backwards compatibility, do it without. */
+
+ kr = netname_look_up (name_server_port, host, name, &gdb_port);
+ if (kr == NETNAME_NOT_CHECKED_IN)
+ kr = netname_look_up (name_server_port, host, argv[1], &gdb_port);
+ if (kr != KERN_SUCCESS)
+ {
+ fprintf (stderr, "Unable to lookup the GDB service port: %s.\n",
+ mach_error_string(kr));
+ exit(1);
+ }
+
+ /* Code generated by mig stub generator, with minor cleanups :-)
+
+ simpleroutine stop_inferior(gdb_port : mach_port_t); */
+
+ msg.msgh_bits = MACH_MSGH_BITS (MACH_MSG_TYPE_COPY_SEND, 0);
+ msg.msgh_remote_port = gdb_port;
+ msg.msgh_local_port = MACH_PORT_NULL;
+ msg.msgh_size = sizeof(msg);
+ msg.msgh_seqno = 0;
+ msg.msgh_id = GDB_MESSAGE_ID_STOP;
+
+ kr = mach_msg_send (&msg);
+ if (kr != KERN_SUCCESS)
+ fprintf (stderr, "Message not sent, return code %d : %s\n", kr,
+ mach_error_string (kr));
+
+ exit (kr != KERN_SUCCESS);
+}