* gdb.gdb/observer.exp: New regression test.
This commit is contained in:
Joel Brobecker
parent
7987689039
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5b2a3989ef
2 changed files with 278 additions and 0 deletions
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@ -1,3 +1,7 @@
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2003-03-27 J. Brobecker <brobecker@gnat.com>
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* gdb.gdb/observer.exp: New regression test.
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2003-03-27 Michael Chastain <mec@shout.net>
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* gdb.base/list.exp: Remove setup_xfail_format for DWARF 1.
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274
gdb/testsuite/gdb.gdb/observer.exp
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274
gdb/testsuite/gdb.gdb/observer.exp
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# Copyright 2003
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# Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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# Please email any bugs, comments, and/or additions to this file to:
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# bug-gdb@prep.ai.mit.edu
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# This file was written by Joel Brobecker (brobecker@gnat.com), derived
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# from xfullpath.exp.
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if $tracelevel then {
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strace $tracelevel
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}
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set prms_id 0
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set bug_id 0
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# are we on a target board
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if [is_remote target] {
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return
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}
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if [istarget "m68k*-*-hpux*"] then {
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# The top-level makefile passes CFLAGS= (no -g) for hp300. This probably
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# should be fixed (it is only needed for gcc bootstrapping, not gdb),
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# but until then.....
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setup_xfail "*-*-*"
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fail "cannot test self if compiled without debug info"
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return -1
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}
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proc setup_test { executable } {
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global gdb_prompt
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global timeout
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# load yourself into the debugger
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# This can take a relatively long time, particularly for testing where
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# the executable is being accessed over a network, or where gdb does not
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# support partial symbols for a particular target and has to load the
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# entire symbol table. Set the timeout to 10 minutes, which should be
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# adequate for most environments (it *has* timed out with 5 min on a
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# SPARCstation SLC under moderate load, so this isn't unreasonable).
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# After gdb is started, set the timeout to 30 seconds for the duration
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# of this test, and then back to the original value.
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set oldtimeout $timeout
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set timeout 600
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verbose "Timeout is now $timeout seconds" 2
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if {[gdb_load $executable] <0} then {
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set timeout $oldtimeout
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verbose "Timeout is now $timeout seconds" 2
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return -1
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}
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set timeout $oldtimeout
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verbose "Timeout is now $timeout seconds" 2
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# Set a breakpoint at main
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gdb_test "break captured_main" \
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"Breakpoint.*at.* file.*, line.*" \
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"breakpoint in captured_main"
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# run yourself
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# It may take a very long time for the inferior gdb to start (lynx),
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# so we bump it back up for the duration of this command.
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set timeout 600
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set description "run until breakpoint at captured_main"
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send_gdb "run -nw\n"
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gdb_expect {
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-re "Starting program.*Breakpoint \[0-9\]+,.*captured_main .data.* at .*main.c:.*$gdb_prompt $" {
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pass "$description"
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}
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-re "Starting program.*Breakpoint \[0-9\]+,.*captured_main .data.*$gdb_prompt $" {
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xfail "$description (line numbers scrambled?)"
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}
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-re "vfork: No more processes.*$gdb_prompt $" {
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fail "$description (out of virtual memory)"
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set timeout $oldtimeout
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verbose "Timeout is now $timeout seconds" 2
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return -1
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}
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-re ".*$gdb_prompt $" {
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fail "$description"
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set timeout $oldtimeout
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verbose "Timeout is now $timeout seconds" 2
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return -1
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}
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timeout {
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fail "$description (timeout)"
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}
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}
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set timeout $oldtimeout
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verbose "Timeout is now $timeout seconds" 2
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return 0
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}
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proc attach_first_observer { } {
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gdb_test "set \$first_obs = observer_attach_normal_stop (&observer_test_first_notification_function)" \
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"" "attach first observer"
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}
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proc attach_second_observer { } {
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gdb_test "set \$second_obs = observer_attach_normal_stop (&observer_test_second_notification_function)" \
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"" "attach second observer"
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}
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proc attach_third_observer { } {
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gdb_test "set \$third_obs = observer_attach_normal_stop (&observer_test_third_notification_function)" \
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"" "attach third observer"
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}
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proc detach_first_observer { } {
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gdb_test "call observer_detach_normal_stop (\$first_obs)" \
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"" "detach first observer"
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}
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proc detach_second_observer { } {
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gdb_test "call observer_detach_normal_stop (\$second_obs)" \
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"" "detach second observer"
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}
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proc detach_third_observer { } {
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gdb_test "call observer_detach_normal_stop (\$third_obs)" \
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"" "detach third observer"
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}
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proc check_counters { first second third message } {
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gdb_test "print observer_test_first_observer" \
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".\[0-9\]+ =.*$first" \
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"check first observer counter value ($message)"
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gdb_test "print observer_test_second_observer" \
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".\[0-9\]+ =.*$second" \
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"check second observer counter value ($message)"
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gdb_test "print observer_test_third_observer" \
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".\[0-9\]+ =.*$third" \
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"check third observer counter value ($message)"
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}
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proc reset_counters { } {
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gdb_test "set variable observer_test_first_observer = 0" "" \
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"reset first observer counter"
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gdb_test "set variable observer_test_second_observer = 0" "" \
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"reset second observer counter"
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gdb_test "set variable observer_test_third_observer = 0" "" \
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"reset third observer counter"
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}
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proc test_normal_stop_notifications { first second third message } {
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reset_counters
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gdb_test "call observer_notify_normal_stop ()" "" \
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"sending notification ($message)"
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check_counters $first $second $third $message
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}
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proc test_observer_normal_stop { executable } {
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set setup_result [setup_test $executable]
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if {$setup_result <0} then {
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return -1
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}
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# First, try sending a notification without any observer attached.
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test_normal_stop_notifications 0 0 0 "no observer"
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# Now, attach one observer, and send a notification.
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attach_second_observer
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test_normal_stop_notifications 0 1 0 "one observer"
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# Remove the observer, and send a notification.
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detach_second_observer
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test_normal_stop_notifications 0 0 0 "no observer"
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# With a new observer.
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attach_first_observer
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test_normal_stop_notifications 1 0 0 "a new observer"
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# With 2 observers.
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attach_second_observer
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test_normal_stop_notifications 1 1 0 "2 observers"
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# With 3 observers.
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attach_third_observer
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test_normal_stop_notifications 1 1 1 "3 observers"
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# Remove middle observer.
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detach_second_observer
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test_normal_stop_notifications 1 0 1 "middle observer removed"
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# Remove first observer.
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detach_first_observer
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test_normal_stop_notifications 0 0 1 "first observer removed"
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# Remove last observer.
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detach_third_observer
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test_normal_stop_notifications 0 0 0 "last observer removed"
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# Go back to 3 observers, and remove them in a different order...
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attach_first_observer
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attach_second_observer
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attach_third_observer
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test_normal_stop_notifications 1 1 1 "3 observers again"
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# Remove the third observer.
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detach_third_observer
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test_normal_stop_notifications 1 1 0 "third observer removed"
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# Remove the second observer.
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detach_second_observer
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test_normal_stop_notifications 1 0 0 "second observer removed"
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# Remove the first observer, no more observers.
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detach_first_observer
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test_normal_stop_notifications 0 0 0 "last observer removed"
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return 0
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}
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# Find a pathname to a file that we would execute if the shell was asked
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# to run $arg using the current PATH.
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proc find_gdb { arg } {
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# If the arg directly specifies an existing executable file, then
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# simply use it.
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if [file executable $arg] then {
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return $arg
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}
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set result [which $arg]
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if [string match "/" [ string range $result 0 0 ]] then {
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return $result
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}
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# If everything fails, just return the unqualified pathname as default
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# and hope for best.
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return $arg
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}
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# Run the test with self.
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# Copy the file executable file in case this OS doesn't like to edit its own
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# text space.
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set GDB_FULLPATH [find_gdb $GDB]
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# Remove any old copy lying around.
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remote_file host delete x$tool
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gdb_start
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set file [remote_download host $GDB_FULLPATH x$tool]
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set result [test_observer_normal_stop $file];
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gdb_exit;
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catch "remote_file host delete $file";
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if {$result <0} then {
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warning "Couldn't test self"
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return -1
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}
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