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# Copyright 2008
# 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 3 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, see <http://www.gnu.org/licenses/>.
# This test was created by modifying attach.exp.
# This file was created by Jeff Johnston <jjohnstn@redhat.com>.
# This file was updated by Jan Kratochvil <jan.kratochvil@redhat.com>.
# This test only works on Linux
if { ![isnative] || [is_remote host] || ![istarget *-linux*] } {
continue
}
set testfile "attach-stopped"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}
set escapedbinfile [string_to_regexp ${objdir}/${subdir}/${testfile}]
#execute_anywhere "rm -f ${binfile}"
remote_exec build "rm -f ${binfile}"
# For debugging this test
#
#log_user 1
proc corefunc { threadtype } {
global srcfile
global binfile
global escapedbinfile
global srcdir
global subdir
global gdb_prompt
if [get_compiler_info ${binfile}] {
return -1
}
# Start the program running and then wait for a bit, to be sure
# that it can be attached to.
set testpid [eval exec $binfile &]
# Avoid some race:
sleep 2
# Stop the program
remote_exec build "kill -s STOP ${testpid}"
# Start with clean gdb
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
# Verify that we can attach to the stopped process.
set test "$threadtype: attach2 to stopped, after setting file"
gdb_test_multiple "attach $testpid" "$test" {
-re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*$gdb_prompt $" {
pass "$test"
}
}
# ".*sleep.*clone.*" would fail on s390x as bt stops at START_THREAD there.
if {[string equal $threadtype threaded]} {
gdb_test "thread apply all bt" ".*sleep.*start_thread.*" "$threadtype: attach2 to stopped bt"
} else {
gdb_test "bt" ".*sleep.*main.*" "$threadtype: attach2 to stopped bt"
}
# This breakpoint is there for old/non-x86 kernels not restarting syscalls.
gdb_breakpoint [gdb_get_line_number "Second sleep"]
set test "$threadtype: attach2 continue"
send_gdb "continue\n"
gdb_expect {
-re "Continuing"
{ pass "continue ($test)" }
timeout
{ fail "continue ($test) (timeout)" }
}
# For this to work we must be sure to consume the "Continuing."
# message first, or GDB's signal handler may not be in place.
after 1000 {send_gdb "\003"}
set test "$threadtype: attach2 stop interrupt"
gdb_expect 10 {
-re "Program received signal SIGINT.*$gdb_prompt $"
{
pass $test
}
-re "Breakpoint \[0-9\].*$srcfile.*$gdb_prompt $"
{
pass $test
}
timeout
{
fail $test
}
}
gdb_exit
# Avoid some race:
sleep 2
# At this point, the process should be sleeping
if [catch {open /proc/${testpid}/status r} fileid2] {
set line2 "NOTFOUND"
} else {
gets $fileid2 line1;
gets $fileid2 line2;
close $fileid2;
}
set test "$threadtype: attach2, exit leaves process sleeping"
if {[string match "*(sleeping)*" $line2]} {
pass $test
} else {
fail $test
}
# Make sure we don't leave a process around to confuse
# the next test run (and prevent the compile by keeping
# the text file busy), in case the "set should_exit" didn't
# work.
remote_exec build "kill -9 ${testpid}"
}
# build the test case first without threads
#
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
untested "attach-stopped.exp (unthreaded)"
return -1
}
corefunc nonthreaded
# build the test case first without threads
#
if { [gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DUSE_THREADS}] != "" } {
untested "attach-stopped.exp (threaded)"
return -1
}
corefunc threaded
return 0
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