gdb/testsuite/gdb.threads/attach-stopped.exp

   1 # Copyright 2008
   2 # Free Software Foundation, Inc.
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 # This test was created by modifying attach.exp.
  18 # This file was created by Jeff Johnston <jjohnstn@redhat.com>.
  19 # This file was updated by Jan Kratochvil <jan.kratochvil@redhat.com>.
  20
  21 # This test only works on Linux
  22 if { ![isnative] || [is_remote host] || ![istarget *-linux*] } {
  23     continue
  24 }
  25
  26 set testfile "attach-stopped"
  27 set srcfile  ${testfile}.c
  28 set binfile  ${objdir}/${subdir}/${testfile}
  29 set escapedbinfile  [string_to_regexp ${objdir}/${subdir}/${testfile}]
  30
  31 #execute_anywhere "rm -f ${binfile}"
  32 remote_exec build "rm -f ${binfile}"
  33 # For debugging this test
  34 #
  35 #log_user 1
  36
  37 proc corefunc { threadtype } {
  38     global srcfile
  39     global binfile
  40     global escapedbinfile
  41     global srcdir
  42     global subdir
  43     global gdb_prompt
  44
  45     if [get_compiler_info ${binfile}] {
  46         return -1
  47     }
  48
  49     # Start the program running and then wait for a bit, to be sure
  50     # that it can be attached to.
  51
  52     set testpid [eval exec $binfile &]
  53
  54     # Avoid some race:
  55     sleep 2
  56
  57     # Stop the program
  58     remote_exec build "kill -s STOP ${testpid}"
  59
  60     # Start with clean gdb
  61     gdb_exit
  62     gdb_start
  63     gdb_reinitialize_dir $srcdir/$subdir
  64     gdb_load ${binfile}
  65
  66     # Verify that we can attach to the stopped process.
  67
  68     set test "$threadtype: attach2 to stopped, after setting file"
  69     gdb_test_multiple "attach $testpid" "$test" {
  70         -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*$gdb_prompt $" {
  71             pass "$test"
  72         }
  73     }
  74
  75     # ".*sleep.*clone.*" would fail on s390x as bt stops at START_THREAD there.
  76     if {[string equal $threadtype threaded]} {
  77         gdb_test "thread apply all bt" ".*sleep.*start_thread.*" "$threadtype: attach2 to stopped bt"
  78     } else {
  79         gdb_test "bt" ".*sleep.*main.*" "$threadtype: attach2 to stopped bt"
  80     }
  81     # This breakpoint is there for old/non-x86 kernels not restarting syscalls.
  82     gdb_breakpoint [gdb_get_line_number "Second sleep"]
  83     set test "$threadtype: attach2 continue"
  84     send_gdb "continue\n"
  85     gdb_expect {
  86       -re "Continuing"
  87         { pass "continue ($test)" }
  88       timeout
  89         { fail "continue ($test) (timeout)" }
  90     }
  91
  92     # For this to work we must be sure to consume the "Continuing."
  93     # message first, or GDB's signal handler may not be in place.
  94     after 1000 {send_gdb "\003"}
  95     set test "$threadtype: attach2 stop interrupt"
  96     gdb_expect 10 {
  97       -re "Program received signal SIGINT.*$gdb_prompt $"
  98         {
  99           pass $test
 100         }
 101       -re "Breakpoint \[0-9\].*$srcfile.*$gdb_prompt $"
 102         {
 103           pass $test
 104         }
 105       timeout
 106         {
 107           fail $test
 108         }
 109     }
 110
 111     gdb_exit
 112
 113     # Avoid some race:
 114     sleep 2
 115
 116     # At this point, the process should be sleeping
 117
 118     if [catch {open /proc/${testpid}/status r} fileid2] {
 119         set line2 "NOTFOUND"
 120     } else {
 121         gets $fileid2 line1;
 122         gets $fileid2 line2;
 123         close $fileid2;
 124     }
 125
 126     set test "$threadtype: attach2, exit leaves process sleeping"
 127     if {[string match "*(sleeping)*" $line2]} {
 128       pass $test
 129     } else {
 130       fail $test
 131     }
 132
 133     # Make sure we don't leave a process around to confuse
 134     # the next test run (and prevent the compile by keeping
 135     # the text file busy), in case the "set should_exit" didn't
 136     # work.
 137
 138     remote_exec build "kill -9 ${testpid}"
 139 }
 140
 141 # build the test case first without threads
 142 #
 143 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
 144     gdb_suppress_entire_file "Testcase nonthraded compile failed, so all tests in this file will automatically fail."
 145 }
 146
 147 corefunc nonthreaded
 148
 149 # build the test case first without threads
 150 #
 151 if  { [gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DUSE_THREADS}] != "" } {
 152     gdb_suppress_entire_file "Testcase threaded compile failed, so all tests in this file will automatically fail."
 153 }
 154
 155 corefunc threaded
 156
 157 return 0