gdb/testsuite/gdb.server/ext-attach.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 attaching to already-running programs using extended-remote.
  19
  20 load_lib gdbserver-support.exp
  21 load_lib trace-support.exp
  22
  23 standard_testfile
  24
  25 if { [skip_gdbserver_tests] } {
  26     return 0
  27 }
  28
  29 if {![can_spawn_for_attach]} {
  30     return 0
  31 }
  32
  33 if {[build_executable "failed to prepare" $testfile $srcfile debug]} {
  34     return -1
  35 }
  36
  37 # Run the test.  TARGET_NON_STOP and TARGET_ASYNC should be 'on'
  38 # or 'off'.  TO_DISABLE should be either the empty string, or
  39 # something that can be passed to gdbserver's --disable-packet command
  40 # line option.
  41 proc run_test { target_async target_non_stop to_disable } {
  42     save_vars { ::GDBFLAGS } {
  43         append ::GDBFLAGS " -ex \"maint set target-non-stop $target_non_stop\""
  44         append ::GDBFLAGS " -ex \"maintenance set target-async ${target_async}\""
  45
  46         # If GDB and GDBserver are both running locally, set the sysroot to avoid
  47         # reading files via the remote protocol.
  48         if { ![is_remote host] && ![is_remote target] } {
  49             set ::GDBFLAGS "$::GDBFLAGS -ex \"set sysroot\""
  50         }
  51
  52         clean_restart $::binfile
  53     }
  54
  55     # Make sure we're disconnected, in case we're testing with an
  56     # extended-remote board, therefore already connected.
  57     gdb_test "disconnect" ".*"
  58
  59     if { [gdb_target_supports_trace] } then {
  60         # Test predefined TSVs are uploaded.
  61         gdb_test_sequence "info tvariables" "check uploaded tsv" {
  62             "\[\r\n\]+Name\[\t \]+Initial\[\t \]+Current"
  63             "\[\r\n\]+\\\$trace_timestamp 0"
  64         }
  65     }
  66
  67     set target_exec [gdbserver_download_current_prog]
  68     if { $to_disable != "" } {
  69         set gdbserver_opts "--disable-packet=${to_disable}"
  70     } else {
  71         set gdbserver_opts ""
  72     }
  73     gdbserver_start_extended $gdbserver_opts
  74
  75     gdb_test_no_output "set remote exec-file $target_exec" "set remote exec-file"
  76
  77     set test_spawn_id [spawn_wait_for_attach $::binfile]
  78     set testpid [spawn_id_get_pid $test_spawn_id]
  79
  80     gdb_test "attach $testpid" \
  81         "Attaching to program: .*, process $testpid.*(in|at).*" \
  82         "attach to remote program 1"
  83
  84     gdb_test "backtrace" ".*main.*" "backtrace 1"
  85
  86     gdb_test "detach" "Detaching from program.*process.*"
  87     gdb_test "backtrace" "No stack\\." "backtrace with no program"
  88
  89     gdb_test "attach $testpid" \
  90         "Attaching to program: .*, process $testpid.*(in|at).*" \
  91         "attach to remote program 2"
  92     gdb_test "backtrace" ".*main.*" "backtrace 2"
  93
  94     gdb_test "kill" "" "kill" "Kill the program being debugged. .y or n. " "y"
  95     gdb_test_no_output "monitor exit"
  96
  97     kill_wait_spawned_process $test_spawn_id
  98 }
  99
 100 # Don't run with target_async set to "off".  There are bugs with the
 101 # extended-remote target when async mode is off and we try to attach.
 102 # These bugs have been fixed in the master branch.
 103 foreach_with_prefix target_async {"on"} {
 104     foreach_with_prefix target_non_stop {"off" "on"} {
 105         foreach_with_prefix to_disable { "" Tthread T } {
 106             run_test ${target_async} ${target_non_stop} $to_disable
 107         }
 108     }
 109 }