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

   1 # Copyright 2008-2020 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # This test was created by modifying attach.exp.
  17 # This file was created by Jeff Johnston <jjohnstn@redhat.com>.
  18 # This file was updated by Jan Kratochvil <jan.kratochvil@redhat.com>.
  19
  20 # This test only works on Linux
  21 if { ![isnative] || [is_remote host] || [use_gdb_stub]
  22      || ![istarget *-linux*] } {
  23     continue
  24 }
  25
  26 standard_testfile
  27 set escapedbinfile  [string_to_regexp $binfile]
  28
  29 #execute_anywhere "rm -f ${binfile}"
  30 remote_exec build "rm -f ${binfile}"
  31 # For debugging this test
  32 #
  33 #log_user 1
  34
  35 proc corefunc { threadtype } {
  36     global srcfile
  37     global binfile
  38     global escapedbinfile
  39     global srcdir
  40     global subdir
  41     global gdb_prompt
  42
  43     if [get_compiler_info] {
  44         return -1
  45     }
  46
  47     set test_spawn_id [spawn_wait_for_attach $binfile]
  48     set testpid [spawn_id_get_pid $test_spawn_id]
  49
  50     # Stop the program
  51     remote_exec build "kill -s STOP ${testpid}"
  52
  53     # Start with clean gdb
  54     gdb_exit
  55     gdb_start
  56     gdb_reinitialize_dir $srcdir/$subdir
  57     gdb_load ${binfile}
  58
  59     # Verify that we can attach to the stopped process.
  60
  61     set test "$threadtype: attach2 to stopped, after setting file"
  62     gdb_test_multiple "attach $testpid" "$test" {
  63         -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*$gdb_prompt $" {
  64             pass "$test"
  65         }
  66     }
  67
  68     # ".*sleep.*clone.*" would fail on s390x as bt stops at START_THREAD there.
  69     if {[string equal $threadtype threaded]} {
  70         gdb_test "thread apply all bt" ".*sleep.*start_thread.*" "$threadtype: attach2 to stopped bt"
  71     } else {
  72         gdb_test "bt" ".*sleep.*main.*" "$threadtype: attach2 to stopped bt"
  73     }
  74
  75     gdb_exit
  76
  77     # Avoid some race:
  78     sleep 2
  79
  80     # At this point, the process may be sleeping or T (Stopped) depending on
  81     # the Linux kernel version.  The behavior is not tested as it is not
  82     # dependent on GDB.
  83
  84     kill_wait_spawned_process $test_spawn_id
  85 }
  86
  87 # build the test case first without threads
  88 #
  89 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  90     untested "attach-stopped.exp (unthreaded)"
  91     return -1
  92 }
  93
  94 corefunc nonthreaded
  95
  96 # build the test case first without threads
  97 #
  98 if  { [gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DUSE_THREADS}] != "" } {
  99     untested "attach-stopped.exp (threaded)"
 100     return -1
 101 }
 102
 103 corefunc threaded
 104
 105 return 0