# Copyright 2008, 2009, 2010, 2011 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] || [target_info exists use_gdb_stub] || ![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 $srcfile:[gdb_get_line_number "Second sleep"] set test "$threadtype: attach2 continue" gdb_test_multiple "continue" "continue ($test)" { -re "Continuing" { pass "continue ($test)" } } # 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