gdb/testsuite/gdb.base/fork-print-inferior-events.exp

   1 # This testcase is part of GDB, the GNU debugger.
   2
   3 # Copyright 2007-2022 Free Software Foundation, Inc.
   4
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 # Test that the event messages printed when using 'set print
  19 # inferior-events [on,off]', 'set follow-fork-mode [child,parent]' and
  20 # 'set detach-on-fork [on,off]' are the correct ones.
  21
  22 # This test relies on "run", so it cannot run on target remote stubs.
  23 if { [use_gdb_stub] } {
  24     untested "not supported on target remote stubs"
  25     return
  26 }
  27
  28 # Test relies on checking follow-fork output. Do not run if gdb debug is
  29 # enabled as it will be redirected to the log.
  30 if [gdb_debug_enabled] {
  31     untested "debug is enabled"
  32     return 0
  33 }
  34
  35 standard_testfile
  36
  37 if { [build_executable "failed to prepare" $testfile $srcfile debug] } {
  38     return -1
  39 }
  40
  41 # This is the expected output for each of the test combinations
  42 # below.  The order here is important:
  43 #
  44 #    inferior-events: on;  follow-fork: child;  detach-on-fork: on
  45 #    inferior-events: on;  follow-fork: child;  detach-on-fork: off
  46 #    inferior-events: on;  follow-fork: parent; detach-on-fork: on
  47 #    inferior-events: on;  follow-fork: parent; detach-on-fork: off
  48 #    inferior-events: off; follow-fork: child;  detach-on-fork: on
  49 #    inferior-events: off; follow-fork: child;  detach-on-fork: off
  50 #    inferior-events: off; follow-fork: parent; detach-on-fork: on
  51 #    inferior-events: off; follow-fork: parent; detach-on-fork: off
  52
  53 set reading_re "(Reading.*from remote target\\.\\.\\.\r\n)*"
  54 set exited_normally_re "${reading_re}\\\[Inferior $decimal \\(.*\\) exited normally\\\]"
  55 # gdbserver produces a slightly different message when attaching after
  56 # a fork, so we have to tweak the regexp to accomodate that.
  57 set attach_child_re "${reading_re}\\\[Attaching after .* fork to child .*\\\]\r\n"
  58 set detach_child_re "${reading_re}\\\[Detaching after fork from child .*\\\]\r\n"
  59 set detach_parent_re "${reading_re}\\\[Detaching after fork from parent .*\\\]\r\n"
  60 set new_inf_re "${reading_re}\\\[New inferior $decimal \\(.*\\)\\\]\r\n"
  61 set inf_detached_re "${reading_re}\\\[Inferior $decimal \\(.*\\) detached\\\]\r\n"
  62 set thread_db_re "(?:\\\[Thread debugging using .*? enabled\\\]\r\nUsing .*? library .*?\\.\r\n)?"
  63
  64 set expected_output [list \
  65                          "${attach_child_re}${new_inf_re}${detach_parent_re}${inf_detached_re}" \
  66                          "${attach_child_re}${new_inf_re}" \
  67                          "${detach_child_re}" \
  68                          "${new_inf_re}" \
  69                          "" \
  70                          "" \
  71                          "" \
  72                          "" \
  73                         ]
  74
  75 set i 0
  76
  77 foreach_with_prefix print_inferior_events { "on" "off" } {
  78     foreach_with_prefix follow_fork_mode { "child" "parent" } {
  79         foreach_with_prefix detach_on_fork { "on" "off" } {
  80             clean_restart $binfile
  81             gdb_test_no_output "set print inferior-events $print_inferior_events"
  82             gdb_test_no_output "set follow-fork-mode $follow_fork_mode"
  83             gdb_test_no_output "set detach-on-fork $detach_on_fork"
  84
  85             set output [lindex $expected_output $i]
  86             # Always add the "Starting program..." string so that we
  87             # match exactly the lines we want.
  88             set output "Starting program: $binfile\\s*\r\n${thread_db_re}${output}${thread_db_re}${exited_normally_re}"
  89             set i [expr $i + 1]
  90             gdb_test "run" $output
  91         }
  92     }
  93 }