gdb/testsuite/gdb.server/ext-attach.exp

   1 # This testcase is part of GDB, the GNU debugger.
   2
   3 # Copyright 2007-2024 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 require allow_gdbserver_tests
  26
  27 require can_spawn_for_attach
  28
  29 if {[build_executable "failed to prepare" $testfile $srcfile debug]} {
  30     return -1
  31 }
  32
  33 # Run the test.  TARGET_NON_STOP and TARGET_ASYNC should be 'on'
  34 # or 'off'.  TO_DISABLE should be either the empty string, or
  35 # something that can be passed to gdbserver's --disable-packet command
  36 # line option.
  37 proc run_test { target_async target_non_stop to_disable } {
  38     save_vars { ::GDBFLAGS } {
  39         append ::GDBFLAGS " -ex \"maint set target-non-stop $target_non_stop\""
  40         append ::GDBFLAGS " -ex \"maintenance set target-async ${target_async}\""
  41
  42         # If GDB and GDBserver are both running locally, set the sysroot to avoid
  43         # reading files via the remote protocol.
  44         if { ![is_remote host] && ![is_remote target] } {
  45             set ::GDBFLAGS "$::GDBFLAGS -ex \"set sysroot\""
  46         }
  47
  48         clean_restart $::binfile
  49     }
  50
  51     # Make sure we're disconnected, in case we're testing with an
  52     # extended-remote board, therefore already connected.
  53     gdb_test "disconnect" ".*"
  54
  55     if {[gdb_target_supports_trace]} {
  56         # Test predefined TSVs are uploaded.
  57         gdb_test_sequence "info tvariables" "check uploaded tsv" {
  58             "\[\r\n\]+Name\[\t \]+Initial\[\t \]+Current"
  59             "\[\r\n\]+\\\$trace_timestamp 0"
  60         }
  61     }
  62
  63     set target_exec [gdbserver_download_current_prog]
  64     if { $to_disable != "" } {
  65         set gdbserver_opts "--disable-packet=${to_disable}"
  66     } else {
  67         set gdbserver_opts ""
  68     }
  69     gdbserver_start_extended $gdbserver_opts
  70
  71     gdb_test_no_output "set remote exec-file $target_exec" "set remote exec-file"
  72
  73     set test_spawn_id [spawn_wait_for_attach $::binfile]
  74     set testpid [spawn_id_get_pid $test_spawn_id]
  75
  76     gdb_test "attach $testpid" \
  77         "Attaching to program: .*, process $testpid.*(in|at).*" \
  78         "attach to remote program 1"
  79
  80     gdb_test "backtrace" ".*main.*" "backtrace 1"
  81
  82     gdb_test "detach" "Detaching from program.*process.*"
  83     gdb_test "backtrace" "No stack\\." "backtrace with no program"
  84
  85     gdb_test "attach $testpid" \
  86         "Attaching to program: .*, process $testpid.*(in|at).*" \
  87         "attach to remote program 2"
  88     gdb_test "backtrace" ".*main.*" "backtrace 2"
  89
  90     gdb_test "kill" "" "kill" "Kill the program being debugged. .y or n. " "y"
  91     gdb_test_no_output "monitor exit"
  92
  93     kill_wait_spawned_process $test_spawn_id
  94 }
  95
  96 foreach_with_prefix target_async {"on" "off" } {
  97     foreach_with_prefix target_non_stop {"off" "on"} {
  98         foreach_with_prefix to_disable { "" Tthread T } {
  99             run_test ${target_async} ${target_non_stop} $to_disable
 100         }
 101     }
 102 }