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jeremybenn |
# Copyright 2008, 2009, 2010 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 3 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, see .
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# This test was created by modifying attach.exp.
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# This file was created by Jeff Johnston .
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# This file was updated by Jan Kratochvil .
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# This test only works on Linux
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if { ![isnative] || [is_remote host] || ![istarget *-linux*] } {
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continue
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}
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set testfile "attach-stopped"
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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set escapedbinfile [string_to_regexp ${objdir}/${subdir}/${testfile}]
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#execute_anywhere "rm -f ${binfile}"
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remote_exec build "rm -f ${binfile}"
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# For debugging this test
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#
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#log_user 1
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proc corefunc { threadtype } {
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global srcfile
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global binfile
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global escapedbinfile
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global srcdir
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global subdir
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global gdb_prompt
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if [get_compiler_info ${binfile}] {
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return -1
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}
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# Start the program running and then wait for a bit, to be sure
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# that it can be attached to.
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set testpid [eval exec $binfile &]
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# Avoid some race:
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sleep 2
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# Stop the program
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remote_exec build "kill -s STOP ${testpid}"
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# Start with clean gdb
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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# Verify that we can attach to the stopped process.
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set test "$threadtype: attach2 to stopped, after setting file"
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gdb_test_multiple "attach $testpid" "$test" {
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-re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*$gdb_prompt $" {
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pass "$test"
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}
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}
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# ".*sleep.*clone.*" would fail on s390x as bt stops at START_THREAD there.
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if {[string equal $threadtype threaded]} {
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gdb_test "thread apply all bt" ".*sleep.*start_thread.*" "$threadtype: attach2 to stopped bt"
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} else {
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gdb_test "bt" ".*sleep.*main.*" "$threadtype: attach2 to stopped bt"
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}
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# This breakpoint is there for old/non-x86 kernels not restarting syscalls.
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gdb_breakpoint [gdb_get_line_number "Second sleep"]
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set test "$threadtype: attach2 continue"
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gdb_test_multiple "continue" "continue ($test)" {
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-re "Continuing" {
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pass "continue ($test)"
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}
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}
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# For this to work we must be sure to consume the "Continuing."
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# message first, or GDB's signal handler may not be in place.
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after 1000 {send_gdb "\003"}
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set test "$threadtype: attach2 stop interrupt"
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gdb_expect 10 {
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-re "Program received signal SIGINT.*$gdb_prompt $"
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{
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pass $test
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}
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-re "Breakpoint \[0-9\].*$srcfile.*$gdb_prompt $"
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{
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pass $test
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}
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timeout
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{
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fail $test
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}
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}
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gdb_exit
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# Avoid some race:
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sleep 2
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# At this point, the process should be sleeping
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if [catch {open /proc/${testpid}/status r} fileid2] {
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set line2 "NOTFOUND"
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} else {
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gets $fileid2 line1;
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gets $fileid2 line2;
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close $fileid2;
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}
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set test "$threadtype: attach2, exit leaves process sleeping"
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if {[string match "*(sleeping)*" $line2]} {
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pass $test
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} else {
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fail $test
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}
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# Make sure we don't leave a process around to confuse
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# the next test run (and prevent the compile by keeping
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# the text file busy), in case the "set should_exit" didn't
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# work.
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remote_exec build "kill -9 ${testpid}"
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}
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# build the test case first without threads
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#
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
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untested "attach-stopped.exp (unthreaded)"
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return -1
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}
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corefunc nonthreaded
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# build the test case first without threads
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#
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if { [gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DUSE_THREADS}] != "" } {
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untested "attach-stopped.exp (threaded)"
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return -1
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}
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corefunc threaded
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return 0
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