# Copyright 2003, 2004 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.
# 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
}
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
global gdb_file_cmd_debug_info
set gdb_file_cmd_debug_info "unset"
set result [gdb_load $executable]
set timeout $oldtimeout
verbose "Timeout is now $timeout seconds" 2
if { $result != 0 } then {
return -1
}
if { $gdb_file_cmd_debug_info != "debug" } then {
untested "No debug information, skipping testcase."
return -1
}
# Set a breakpoint at main
gdb_test "break captured_main" \
"Breakpoint.*at.* file.*, line.*" \
"breakpoint in captured_main"
# run yourself
# It may take a very long time for the inferior gdb to start (lynx),
# so we bump it back up for the duration of this command.
set timeout 600
set description "run until breakpoint at captured_main"
gdb_test_multiple "run -nw" "$description" {
-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
}
}
set timeout $oldtimeout
verbose "Timeout is now $timeout seconds" 2
return 0
}
proc attach_first_observer { message } {
gdb_test "set \$first_obs = observer_attach_normal_stop (&observer_test_first_notification_function)" \
"" "$message; attach first observer"
}
proc attach_second_observer { message } {
gdb_test "set \$second_obs = observer_attach_normal_stop (&observer_test_second_notification_function)" \
"" "$message; attach second observer"
}
proc attach_third_observer { message } {
gdb_test "set \$third_obs = observer_attach_normal_stop (&observer_test_third_notification_function)" \
"" "$message; attach third observer"
}
proc detach_first_observer { message } {
gdb_test "call observer_detach_normal_stop (\$first_obs)" \
"" "$message; detach first observer"
}
proc detach_second_observer { message } {
gdb_test "call observer_detach_normal_stop (\$second_obs)" \
"" "$message; detach second observer"
}
proc detach_third_observer { message } {
gdb_test "call observer_detach_normal_stop (\$third_obs)" \
"" "$message; detach third observer"
}
proc check_counters { first second third message } {
gdb_test "print observer_test_first_observer" \
".\[0-9\]+ =.*$first" \
"$message; check first observer counter value"
gdb_test "print observer_test_second_observer" \
".\[0-9\]+ =.*$second" \
"$message; check second observer counter value"
gdb_test "print observer_test_third_observer" \
".\[0-9\]+ =.*$third" \
"$message; check third observer counter value"
}
proc reset_counters { message } {
gdb_test "set variable observer_test_first_observer = 0" "" \
"$message; reset first observer counter"
gdb_test "set variable observer_test_second_observer = 0" "" \
"$message; reset second observer counter"
gdb_test "set variable observer_test_third_observer = 0" "" \
"$message; reset third observer counter"
}
proc test_normal_stop_notifications { first second third message args } {
# Do any initialization
for {set i 0} {$i < [llength $args]} {incr i} {
[lindex $args $i] $message
}
reset_counters $message
# Call observer_notify_normal_stop. Note that this procedure
# takes one argument, but this argument is ignored by the observer
# callbacks we have installed. So we just pass an arbitrary value.
gdb_test "call observer_notify_normal_stop (0)" "" \
"$message; sending notification"
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 attached"
# Now, attach one observer, and send a notification.
test_normal_stop_notifications 0 1 0 "second observer attached" \
attach_second_observer
# Remove the observer, and send a notification.
test_normal_stop_notifications 0 0 0 "second observer detached" \
detach_second_observer
# With a new observer.
test_normal_stop_notifications 1 0 0 "1st observer added" \
attach_first_observer
# With 2 observers.
test_normal_stop_notifications 1 1 0 "2nd observer added" \
attach_second_observer
# With 3 observers.
test_normal_stop_notifications 1 1 1 "3rd observer added" \
attach_third_observer
# Remove middle observer.
test_normal_stop_notifications 1 0 1 "2nd observer removed" \
detach_second_observer
# Remove first observer.
test_normal_stop_notifications 0 0 1 "1st observer removed" \
detach_first_observer
# Remove last observer.
test_normal_stop_notifications 0 0 0 "3rd observer removed" \
detach_third_observer
# Go back to 3 observers, and remove them in a different order...
test_normal_stop_notifications 1 1 1 "three observers added" \
attach_first_observer \
attach_second_observer \
attach_third_observer
# Remove the third observer.
test_normal_stop_notifications 1 1 0 "third observer removed" \
detach_third_observer
# Remove the second observer.
test_normal_stop_notifications 1 0 0 "second observer removed" \
detach_second_observer
# Remove the first observer, no more observers.
test_normal_stop_notifications 0 0 0 "first observer removed" \
detach_first_observer
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
}