--- /dev/null
+# Copyright 2003
+# Free Software Foundation, Inc.
+
+# 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.
+
+# Please email any bugs, comments, and/or additions to this file to:
+# bug-gdb@prep.ai.mit.edu
+
+# This file was written by Joel Brobecker (brobecker@gnat.com), derived
+# from xfullpath.exp.
+
+if $tracelevel then {
+ strace $tracelevel
+}
+
+set prms_id 0
+set bug_id 0
+
+# are we on a target board
+if [is_remote target] {
+ return
+}
+
+if [istarget "m68k*-*-hpux*"] then {
+ # The top-level makefile passes CFLAGS= (no -g) for hp300. This probably
+ # should be fixed (it is only needed for gcc bootstrapping, not gdb),
+ # but until then.....
+ setup_xfail "*-*-*"
+ fail "cannot test self if compiled without debug info"
+ return -1
+}
+
+proc setup_test { executable } {
+ global gdb_prompt
+ global timeout
+
+ # load yourself into the debugger
+ # This can take a relatively long time, particularly for testing where
+ # the executable is being accessed over a network, or where gdb does not
+ # support partial symbols for a particular target and has to load the
+ # entire symbol table. Set the timeout to 10 minutes, which should be
+ # adequate for most environments (it *has* timed out with 5 min on a
+ # SPARCstation SLC under moderate load, so this isn't unreasonable).
+ # After gdb is started, set the timeout to 30 seconds for the duration
+ # of this test, and then back to the original value.
+
+ set oldtimeout $timeout
+ set timeout 600
+ verbose "Timeout is now $timeout seconds" 2
+ if {[gdb_load $executable] <0} then {
+ set timeout $oldtimeout
+ verbose "Timeout is now $timeout seconds" 2
+ return -1
+ }
+ set timeout $oldtimeout
+ verbose "Timeout is now $timeout seconds" 2
+
+ # Set a breakpoint at main
+ gdb_test "break captured_main" \
+ "Breakpoint.*at.* file.*, line.*" \
+ "breakpoint in captured_main"
+
+ # run yourself
+ # It may take a very long time for the inferior gdb to start (lynx),
+ # so we bump it back up for the duration of this command.
+ set timeout 600
+
+ set description "run until breakpoint at captured_main"
+ send_gdb "run -nw\n"
+ gdb_expect {
+ -re "Starting program.*Breakpoint \[0-9\]+,.*captured_main .data.* at .*main.c:.*$gdb_prompt $" {
+ pass "$description"
+ }
+ -re "Starting program.*Breakpoint \[0-9\]+,.*captured_main .data.*$gdb_prompt $" {
+ xfail "$description (line numbers scrambled?)"
+ }
+ -re "vfork: No more processes.*$gdb_prompt $" {
+ fail "$description (out of virtual memory)"
+ set timeout $oldtimeout
+ verbose "Timeout is now $timeout seconds" 2
+ return -1
+ }
+ -re ".*$gdb_prompt $" {
+ fail "$description"
+ set timeout $oldtimeout
+ verbose "Timeout is now $timeout seconds" 2
+ return -1
+ }
+ timeout {
+ fail "$description (timeout)"
+ }
+ }
+
+ set timeout $oldtimeout
+ verbose "Timeout is now $timeout seconds" 2
+
+ return 0
+}
+
+proc attach_first_observer { } {
+ gdb_test "set \$first_obs = observer_attach_normal_stop (&observer_test_first_notification_function)" \
+ "" "attach first observer"
+}
+
+proc attach_second_observer { } {
+ gdb_test "set \$second_obs = observer_attach_normal_stop (&observer_test_second_notification_function)" \
+ "" "attach second observer"
+}
+
+proc attach_third_observer { } {
+ gdb_test "set \$third_obs = observer_attach_normal_stop (&observer_test_third_notification_function)" \
+ "" "attach third observer"
+}
+
+proc detach_first_observer { } {
+ gdb_test "call observer_detach_normal_stop (\$first_obs)" \
+ "" "detach first observer"
+}
+
+proc detach_second_observer { } {
+ gdb_test "call observer_detach_normal_stop (\$second_obs)" \
+ "" "detach second observer"
+}
+
+proc detach_third_observer { } {
+ gdb_test "call observer_detach_normal_stop (\$third_obs)" \
+ "" "detach third observer"
+}
+
+proc check_counters { first second third message } {
+ gdb_test "print observer_test_first_observer" \
+ ".\[0-9\]+ =.*$first" \
+ "check first observer counter value ($message)"
+ gdb_test "print observer_test_second_observer" \
+ ".\[0-9\]+ =.*$second" \
+ "check second observer counter value ($message)"
+ gdb_test "print observer_test_third_observer" \
+ ".\[0-9\]+ =.*$third" \
+ "check third observer counter value ($message)"
+}
+
+proc reset_counters { } {
+ gdb_test "set variable observer_test_first_observer = 0" "" \
+ "reset first observer counter"
+ gdb_test "set variable observer_test_second_observer = 0" "" \
+ "reset second observer counter"
+ gdb_test "set variable observer_test_third_observer = 0" "" \
+ "reset third observer counter"
+}
+
+proc test_normal_stop_notifications { first second third message } {
+ reset_counters
+ gdb_test "call observer_notify_normal_stop ()" "" \
+ "sending notification ($message)"
+ check_counters $first $second $third $message
+}
+
+proc test_observer_normal_stop { executable } {
+
+ set setup_result [setup_test $executable]
+ if {$setup_result <0} then {
+ return -1
+ }
+
+ # First, try sending a notification without any observer attached.
+ test_normal_stop_notifications 0 0 0 "no observer"
+
+ # Now, attach one observer, and send a notification.
+ attach_second_observer
+ test_normal_stop_notifications 0 1 0 "one observer"
+
+ # Remove the observer, and send a notification.
+ detach_second_observer
+ test_normal_stop_notifications 0 0 0 "no observer"
+
+ # With a new observer.
+ attach_first_observer
+ test_normal_stop_notifications 1 0 0 "a new observer"
+
+ # With 2 observers.
+ attach_second_observer
+ test_normal_stop_notifications 1 1 0 "2 observers"
+
+ # With 3 observers.
+ attach_third_observer
+ test_normal_stop_notifications 1 1 1 "3 observers"
+
+ # Remove middle observer.
+ detach_second_observer
+ test_normal_stop_notifications 1 0 1 "middle observer removed"
+
+ # Remove first observer.
+ detach_first_observer
+ test_normal_stop_notifications 0 0 1 "first observer removed"
+
+ # Remove last observer.
+ detach_third_observer
+ test_normal_stop_notifications 0 0 0 "last observer removed"
+
+ # Go back to 3 observers, and remove them in a different order...
+ attach_first_observer
+ attach_second_observer
+ attach_third_observer
+ test_normal_stop_notifications 1 1 1 "3 observers again"
+
+ # Remove the third observer.
+ detach_third_observer
+ test_normal_stop_notifications 1 1 0 "third observer removed"
+
+ # Remove the second observer.
+ detach_second_observer
+ test_normal_stop_notifications 1 0 0 "second observer removed"
+
+ # Remove the first observer, no more observers.
+ detach_first_observer
+ test_normal_stop_notifications 0 0 0 "last observer removed"
+
+ return 0
+}
+
+# Find a pathname to a file that we would execute if the shell was asked
+# to run $arg using the current PATH.
+
+proc find_gdb { arg } {
+
+ # If the arg directly specifies an existing executable file, then
+ # simply use it.
+
+ if [file executable $arg] then {
+ return $arg
+ }
+
+ set result [which $arg]
+ if [string match "/" [ string range $result 0 0 ]] then {
+ return $result
+ }
+
+ # If everything fails, just return the unqualified pathname as default
+ # and hope for best.
+
+ return $arg
+}
+
+# Run the test with self.
+# Copy the file executable file in case this OS doesn't like to edit its own
+# text space.
+
+set GDB_FULLPATH [find_gdb $GDB]
+
+# Remove any old copy lying around.
+remote_file host delete x$tool
+
+gdb_start
+set file [remote_download host $GDB_FULLPATH x$tool]
+set result [test_observer_normal_stop $file];
+gdb_exit;
+catch "remote_file host delete $file";
+
+if {$result <0} then {
+ warning "Couldn't test self"
+ return -1
+}